2022
- Annette Brons, Katja Braam, Aline Broekema, Annieck Timmerman, Karel Millenaar, Raoul Engelbert, Ben Kröse, and Bart Visser. Translating promoting factors and behavior change principles into a blended and technology-supported intervention to stimulate physical activity in children with asthma (FOXFIT): Design study. JMIR Form Res, 6(7):e34121, Jul 2022.
2021
- Shihan Wang, Karlijn Sporrel, Herke van Hoof, Monique Simons, Remi D. D. de Boer, Dick Ettema, Nicky Nibbeling, Marije Deutekom, and Ben Kröse. Reinforcement learning to send reminders at right moments in smartphone exercise application: A feasibility study. International Journal of Environmental Research and Public Health, 18(11), 2021.
- Annette Brons, Antoine de Schipper, Svetlana Mironcika, Huub Toussaint, Ben Schouten, Sander Bakkes, and Ben Kröse. Assessing children’s fine motor skills with sensor-augmented toys: Machine learning approach. J Med Internet Res, 23(4):e24237, Apr 2021.
- Karlijn Sporrel, Remi D. D. De Boer, Shihan Wang, Nicky Nibbeling, Monique Simons, Marije Deutekom, Dick Ettema, Paula C. Castro, Victor Zuniga Dourado, and Ben Kröse. The design and development of a personalized leisure time physical activity application based on behavior change theories, end-user perceptions, and principles from empirical data mining. Frontiers in Public Health, 8:711, 2021.
- Jantine van den Helder, Sjors Verlaan, Michael Tieland, Jorinde Scholten, Sumit Mehra, Bart Visser, Ben JA Kröse, Raoul HH Engelbert, and Peter JM Weijs. Digitally supported dietary protein counseling changes dietary protein intake, sources, and distribution in community-dwelling older adults. Nutrients, 13(2):502, 2021.
- Shihan Wang, Simon Scheider, Karlijn Sporrel, Marije Deutekom, Joris Timmer, and Ben Kröse. What are good situations for running? a machine learning study using mobile and geographical data. Frontiers in Public Health, 8:536370, 2021.
- Sumit Mehra, Jantine van den Helder, Ben JA Kr¨ose, Raoul HH Engelbert, Peter JM Weijs, and Bart Visser. The use of a tablet to increase older adults’ exercise adherence. In International Conference on Persuasive Technology, pages 47–54. Springer, 2021.
2020
- Jantine van den Helder, Sumit Mehra, Carliene van Dronkelaar, Gerben ter Riet, Michael Tieland, Bart Visser, Ben JA Kröse, Raoul HH Engelbert, and Peter JM Weijs. Blended home-based exercise and dietary protein in community-dwelling older adults: a cluster randomized controlled trial. Journal of Cachexia, Sarcopenia and Muscle, 11(6):1590{1602, 2020
- Karlijn Sporrel, Remi DD De Boer, Shihan Wang, Nicky Nibbeling, Monique Simons, Marije Deutekom, Dick Ettema, Paula C Castro, Victor Zuniga Dourado, and Ben Kröse. The design and development of a personalized physical activity application based on behavior change principles, incorporating the views of end-users and applying empirical data-mining. Frontiers in Public Health, 8:711, 2020.
- J van den Helder, S Verlaan, M Tieland, S Mehra, B Visser, BJ Kröse, RH Engelbert, PJ Weijs, VITAMIN research group, et al. How to establish increased protein intake in a blended lifestyle intervention in community-dwelling older adults? subgroup-analysis of the Vitamin RCT. Clinical Nutrition ESPEN, 40:500, 2020.
- Sumit Mehra, Jantine van den Helder, Ben JA Kröse, Raoul HH Engelbert, Peter JM Weijs, and Bart Visser. Aging and physical activity: A qualitative study of basic psychological needs and motivation in a blended home-based exercise program for older adults. In Self-Determination Theory and Healthy Aging, pages 127-144. Springer, 2020.
- Sumit Mehra, Jantine van den Helder, Bart Visser, Raoul HH Engelbert, Peter JM Weijs, and Ben JA Kröse. Evaluation of a blended physical activity intervention for older adults: Mixed methods study. Journal of Medical Internet Research, 22(7):e16380, 2020.
2019
- Margriet Pol, Sebastiaan Peek, Fenna van Nes, Margo van Hartingsveldt, Bianca Buurman, and Ben Kröse. Everyday life after a hip fracture: what community-living older adults perceive as most beneficial for their recovery. Age and Ageing, 02 2019.
- Annette Brons, Katja Braam, Annieck Timmerman, Aline Broekema, Bart Visser, Bart van Ewijk, Suzanne Terheggen-Lagro, Niels Rutjes, Hellen van Leersum, Raoul Engelbert, Ben Kröse, Mai Chinapaw and Teatske Altenburg. Promoting factors for physical activity in children with asthma explored through concept mapping. International Journal of Environmental Research and Public Health, 16(22):4467, 2019.
- Lilian Bosch, Marije Kanis, Julia Dunn, Kearsley A Stewart, and Ben Kröse. How is the caregiver doing? Capturing caregivers’ experiences with a reflective toolkit. JMIR Mental Health, 6(5):e13688, 2019.
- Sumit Mehra, Bart Visser, Nazli Cila, Jantine van den Helder, Raoul HH Engelbert, Peter JM Weijs, and Ben JA Kröse. Supporting older adults in exercising with a tablet: A usability study. JMIR Hum Factors, 6(1):e11598, Feb 2019.
- Margriet Pol, Margo van Hartingsveldt, Ben Kröse, and Bianca Buurman. Sensormonitoring: Het ondersteunen van het dagelijks functioneren bij zelfstandig wonende ouderen. Ergotherapie Magazine, 2019(6):42-48, 2019.
2018
- Jantine van den Helder, Carliene van Dronkelaar, Michael Tieland, Sumit Mehra, Tessa Dadema, Bart Visser, Ben J. A. Kröse, Raoul H. H. Engelbert, and Peter J. M. Weijs. A digitally supported home-based exercise training program and dietary protein intervention for community dwelling older adults: protocol of the cluster randomised controlled vitamin trial. BMC Geriatrics, 18(1):183, Aug 2018.
- Sumit Mehra, Bart Visser, Tessa Dadema, Jantine van den Helder, Raoul H.H. Engelbert, Peter J.M. Weijs, and Ben J.A. Kröse. Translating behavior change principles into a blended exercise intervention for older adults: Design study. JMIR research protocols, 7(5), 2018.
- Shihan Wang, Joris Alexander Timmer, Simon Scheider, Karlijn Sporrel, Zeynep Akata, and Ben Kröse. A data-driven study on preferred situations for running. In Proceedings of the 2018 ACM International Joint Conference and 2018 International Symposium on Pervasive and Ubiquitous Computing and Wearable Computers, pages 283-286. ACM, 2018.
- Ahmed Nait Aicha, Gwenn Englebienne, Kimberley van Schooten, Mirjam Pijnappels, and Ben Kröse. Deep learning to predict falls in older adults based on daily-life trunk accelerometry. Sensors, 18(5):1654-1668, 2018.
- Svetlana Mironcika, A.W. de Schipper, A.E. Brons, H.M. Toussaint, B.J.A. Kröse, and B.A.M. Schouten. Smart toys design opportunities for measuring children’s fine motor skills development. In Proceedings of the Twelfth International Conference on Tangible, Embedded, and Embodied Interaction, pages 349-356. Association for Computing Machinery, 2018.
2017
- Ahmed Nait Aicha, Gwenn Englebienne and Ben Kröse. Continuous measuring of the indoor walking speed of older adults living alone. Journal of
Ambient Intelligence and Humanized Computing, pages 1-11, 2017. - Margriet C Pol, Gerben ter Riet, Margo van Hartingsveldt, Ben Kröse, Sophia E de Rooij, and Bianca M Buurman. Effectiveness of sensor monitoring in an occupational therapy rehabilitation program for older individuals after hip fracture, the so-hip trial: study protocol of a three-arm stepped wedge cluster randomized trial. BMC health services research, 17(1):3, 2017.
- Fleur Thomese, Wilma Otten, Franka Meiland, Nazli Cila, Hester van Zuthem and Ben Kröse. Fit decision aid: Matching the needs of people with dementia and caregivers with products and services. In Human-Computer Interaction. INTERACT 2017 , 16th IFIP TC 13 International Conference, Proceedings, volume 10515 LNCS of Lecture Notes in Computer Science, pages 442-452, 2017.
- Timon Van Hasselt, Jan Koopman, Somaya Ben Allouch, Joey van der Bie, Christina Jaschinski and Ben Kröse. Better wayfinding for visually impaired people: Integrating haptic feedback via a smartwatch. Vision2017, 2017.
- Jörg Sander, Antoine de Schipper, Annette Brons, Svetlana Mironcika, Huub Toussaint, Ben Schouten, Ben Kröse. Detecting delays in motor skill development of children through data analysis of a smart play device. In M Czerwinski N. Oliver, editor, PervasiveHealth ’17: Proceedings of the 11th EAI International Conference on Pervasive Computing Technologies for Healthcare, pages 88-92. ACM, 2017.
- Nazli Cila, Iskander Smit, Elisa Giaccardi, and Ben Kröse. Products as agents: Metaphors for designing the products of the iot age. In Proceedings of the 2017 CHI Conference on Human Factors in Computing Systems, pages 448{459. ACM, 2017.
- Ninghang Hu, Gwenn Englebienne, Zhongyu Lou, and Ben Kröse. Learning to recognize human activities using soft labels. IEEE Transactions on Pattern Analysis and Machine Intelligence, 2017
- Ahmed Nait Aicha, Gwenn Englebienne, and Ben Kröse. Unsupervised visit detection in smart homes. Pervasive and Mobile Computing, 34:157–167, 2017.
- Saskia Robben, Gwenn Englebienne, and Ben Kröse. Delta features from ambient sensor data are good predictors of change in functional health. IEEE Journal of Biomedical and Health Informatics, 2017.
2016
- Sumit Mehra, Tessa Dadema, Ben J. A. Kröse, Bart Visser, Raoul H. H. Engelbert, Jantine Van Den Helder, and Peter J. M. Weijs. Attitudes of older adults in a group-based exercise program toward a blended intervention; a focus-group study. Frontiers in Psychology, 7:1827, 2016.
- Margriet Pol, Fenna van Nes, Margo van Hartingsveldt, Bianca Buurman, Sophia de Rooij, and Ben Kröse. Older peoples perspectives regarding the use of sensor monitoring in their home. The Gerontologist, 56(3):485{493, 2016.
- SMB Robben, MC Pol, BM Buurman, and BJA Kröse. Expert knowledge for modeling functional health from sensor data. Methods of Information in Medicine, 55(6):516–524, 2016.
- Nazli Cila, Guido Jansen, Maarten Groen, Wouter Meys, Lea den Broeder, and Ben Kröse. Look! a healthy neighborhood: Means to motivate participants in using an app for monitoring community health. In Proceedings of the 2016 CHI Conference Extended Abstracts on Human Factors in Computing Systems, pages 889-898. ACM, 2016.
- Aduen Darriba Frederiks, Ben JA Kröse, and Gijs Huisman. Internet of touch: analysis and synthesis of touch across wearable and mobile devices. In Proceedings of the 2016 ACM International Joint Conference on Pervasive and Ubiquitous Computing: Adjunct, pages 273-276. ACM, 2016.
- Joey van der Bie, Britte Visser, Jordy Matsari, Mijnisha Singh, Timon van Hasselt, Jan Koopman, and Ben Kröse. Guiding the visually impaired through the environment with beacons. In Proceedings of the 2016 ACM International Joint Conference on Pervasive and Ubiquitous Computing: Adjunct, pages 385-388. ACM, 2016.
- Ninghang Hu, Aaron Bestick, Gwenn Englebienne, Ruzena Bajscy, and Ben Kröse. Human intent forecasting using intrinsic kinematic constraints. In IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS), 2016 pages 787-793. IEEE, 2016.
- Saskia Robben, Ahmed Nait Aicha, and Ben Kröse. Measuring regularity in daily behavior for the purpose of detecting Alzheimer. In 10th EAI International Conference on Pervasive Computing Technologies for Healthcare, 2016.
- Nicky Nibbeling, Joey van der Bie, Ben Kröse, and Marije Baart De La Faille-Deutekom. Motiveren tot bewegen met beweeg-apps als BAMBEA. In Dag van Sportonderzoek 2016, pages 113-115. Hanze Hogeschool Groningen, 2016.
- Joan Dallinga, Joey van der Bie, Ben Kröse, and Marije Baart de la Faille Deutekom. Intelirun: Ontwikkeling van een evidence-based en gepersonaliseerde hardloop-app. In Dag van Sportonderzoek 2016, page 35, 2016.
- Joan Dallinga, Mark Janssen, Joey van der Bie, Nicky Nibbeling, Ben Kröse, Jos Goudsmit, Carl Megens, Marije Baart de la Faille Deutekom, and Steven Vos. De rol van innnovatieve technologie in het stimuleren van sport en bewegen in de steden amsterdam en eindhoven. Vrijetijdsstudies, volume 34, pages 43-57. NRIT Media, 2016.
2015
- Ninghang Hu, G. Englebienne, Zhongyu Lou, and B. Kröse. Latent hierarchical model for activity recognition. IEEE Transactions on Robotics, 31(6):1472-1482, Dec 2015.
- Tim van Oosterhout, Gwenn Englebienne, and Ben Kröse. RARE: people detection in crowded passages by range image reconstruction. Machine Vision and Applications, 26(5):561-573, 2015.
- Albert Ali Salah, Ben JA Kröse, and Diane J Cook. Human Behavior Understanding: 6th International Workshop, HBU 2015, Osaka, Japan, Proceedings, volume 9277 of Lecture Notes on Computer Science. 2015.
- Ahmed Nait Aicha, Gwenn Englebienne, and Ben Kröse. Continuous gait velocity analysis using ambient sensors in a smart home. In Ambient Intelligence, pages 219–235. Springer, 2015.
- Joey van der Bie and Ben Kröse. Happy running? In Ambient Intelligence, pages 357-360. Springer, 2015.
- Ninghang Hu, Gwenn Englebienne, Zhongyu Lou, and Ben Kröse. A hierarchical representation for human activity recognition with noisy labels. In 2015 IEEE/RSJ
International Conference on Intelligent Robots and Systems (IROS), pages 2517-2522. IEEE, 2015. - Albert Ali Salah, Ben JA Kröse and Diane J Cook. Behavior analysis for elderly. In Human Behavior Understanding, pages 1-10. Springer, 2015.
- Ben Kröse. Analysis of home health sensor data. In Joost van Hoof, George Demiris, and Eveline J.M. Wouters, editors, Handbook of Smart Homes, Health Care and Well-Being, pages 1-10. Springer International Publishing, 2015.
- Marije Kanis, Saskia Robben, and Ben Kröse. How are you doing? enabling older adults to enrich sensor data with subjective input. In Human Behavior Understanding, pages 39-51. Springer, 2015.
- Ben Kröse. Sensoren en it: de zorg op de schop. de Automatiseringsgids, pages 22-23, february 2015.
2014
- Ahmed Nait Aicha, Gwenn Englebienne & Ben Kröse. Modeling Visit Behaviour in Smart Homes using Unsupervised Learning. UBICOMP ’14 Adjunct proceedings, ACM, Seattle, pp 1193-1200, (2014)
- Saskia Robben, Margriet Pol, Ben Kröse. Longitudinal Ambient Sensor Monitoring for Functional Health Assessments: A Case Study, UBICOMP 14 Adjunct proceedings ACM , Seattle, 1209-1216 (2014)
- Marije Kanis & Ben Kröse. Slimme systemen voor de toekomst, Hogeschool van Amsterdam, Amsterdam (2014)
- Francisco Ordonez, Gwenn Englebienne, Paula de Toledo, Tim van Kasteren, Araceli Sanchis, and Ben Kröse. Bayesian inference in hidden Markov models for in-home activity recognition. IEEE Pervasive Computing, 13(3), pp 67-75, July-Sept 2014.
- Kristin Rieping, Gwenn Englebienne, and Ben Kröse. Behavior analysis of elderly using topic models. Pervasive and Mobile Computing 15:181-199, 2014.
- Margriet Pol, Fenna van Nes, Margo van Hartingsveldt, Bianca Buurman, Sophia de Rooij, and Ben Krose. Older peoples perspectives regarding the use of sensor monitoring in their home. The Gerontologist, page gnu104, 2014.
- Antoine Hogenboom, Iskander Smit, and Ben Kröse. A digital coach for self-tracking athletes. In Proceedings of Eurohaptics, 2014.
- Ninghang Hu, Gwenn Englebienne, Zhongyu Lou, and Ben Kröse. Learning latent structure for activity recognition. In Proceedings of the IEEE International Conference on Robotics and Automation (ICRA), 2014.
- Ninghang Hu, Richard Bormann, Thomas Zwolfer, and Ben Kröse. Multi-User Identication and Ecient User Approaching by Fusing Robot and Ambient Sensors. In Proc. IEEE International Conference on Robotics and Automation (ICRA), 2014.
- Ninghang Hu, Zhongyu Lou, Gwenn Englebienne, and Ben Kröse. Learning to recognize human activities from soft labeled data. Robotics: Science and Systems (RSS). IEEE, 2014.
- Ninghang Hu, Gwenn Englebienne, and Ben Kröse. A two-layered approach to recognize high-level human activities. In Proceedings of the IEEE International Symposium on Robot and Human Interactive Communication (ROMAN). IEEE, 2014.
- Ben J.A. Kröse, Tim van Oosterhout, and Gwenn Englebienne. Video surveillance for behaviour monitoring in home health care. In Measuring Behavior, 2014.
2013
- Margriet C. Pol, Soemitro Poerbodipoero, Saskia Robben, Joost Daams, Margo van Hartingsveldt, Rien de Vos, Sophia E. de Rooij, Ben Kröse, and Bianca M. Buurman. Sensor monitoring to measure and support daily functioning for independently living older people: A systematic review and roadmap for further development. Journal of the American Geriatrics Society. 61(12), pp 2219-2227, December 2013.
- Farshid Amirabdollahian, Sandra Bedaf, Richard Bormann, Heather Draper, Vanessa Evers, Jorge Gallego Perez, Gert Jan Gelderblom, Carolina Gutierrez Ruiz, David Hewson, Ninghang Hu, Ben Kröse, et al. Assistive technology design and development for acceptable robotics companions for ageing years. Paladyn, Journal of Behavioral Robotics, 4(2):94{112, December 2013.
- Vijay John, Gwenn Englebienne, and Ben J. A. Kröse. Person reidentication using height-based gait in colour depth camera. In International Conference of Image Processing, pages 3345-3349, 2013.
- Ninghang Hu, Gwenn Englebienne, and Ben Kröse. Posture recognition with a top-view camera. In International Conference on Intelligent Robots and Systems (IROS), pages 2152-2157. IEEE, 2013.
- Ben Kröse (2013) Hoe gaat het met mij? Gezondheidsgegevens via smartphones, sensoren en social media. De informatiemaatschappij van 2023, G.J. van Bussel (Ed) , HvA, lectoraat Digital Archiving & Compliance , 128-135
- Marise Schot, Miriam Reitenbach, Ron Boonstra, Saskia Robben, Pascal Wiggers, Margriet Pol, Marije Kanis, et al. (2013), Innovation in health care: Together with end users. Health-lab , Amsterdam, NL
- Ahmed Nait Aicha, Gwenn Englebienne & Ben Kröse (2013) How lonely is your grandma? Detecting the visits to assisted living elderly from wireless sensor network data. Adjunct proceedings of UbiComp ’13 , ACM , 1285-1294
- Vijay John, Gwenn Englebienne, and Ben J. A. Kröse. Solving person re-identication in non-overlapping camera using ecient Gibbs sampling. In British Machine Vision Conference, 2013.
- Saskia Robben and Ben Krose (2013) Longitudinal Residential Ambient Monitoring: Correlating Sensor Data to Functional Health Status. Pervasive Health 2013, Venice, Italy.
- Marije Kanis, Saskia Robben, Judith Hagen, Anne Bimmerman, Natasja Wagelaar & Ben Kröse (2013) Sensor monitoring in the home: Giving voice to elderly people. Proceedings of Pervasive Health ’13 , Venice, Italy
- Saskia Robben, Mario Boot, Marije Kanis & Ben Kröse (2013) Identifying and visualizing relevant deviations in longitudinal sensor patterns for care professionals. Pervasive Health’13 International workshop on lifelogging for pervasive health , Venice, Italy
- Josemans, W., Englebienne, G. & Kröse, B.J.A. (2013). Fusion of Color and Depth Camera Data for Robust Fall Detection. In S. Battiato & J. Braz (Eds.), Proceedings of the 8th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications (VISAPP 2013) (pp. 608-613). SCITEPRESS – Science and Technology Publications.
- G. Huisman, A. Darriba Frederiks, E.M.A.G. Van Dijk, B.J.A. Kröse, and D.K.J. Heylen. The TaSST – Tactile Sleeve for Social Touch. In Proceedings of World Haptics Conference (WHC) 2013, pages 211-216, Deajon, Korea, 2013. IEEE.
- Huisman, G., Darriba Frederiks, A., Dijk, E.M.A.G. van, Kröse, B.J.A. & Heylen, D.K.J. (2013). Self Touch to Touch Others: Designing the Tactile Sleeve for Social Touch. In S. Jordà & N. Parés (Eds.), online proceedings of TEI’13, Seventh International Conference on Tangible, Embedded and Embodied Interaction. Barcelona.
2012
- Hu, N., Englebienne, G. & Kröse, B.J.A. (2012). Bayesian Fusion of Ceiling Mounted Camera and Laser Range Finder on a Mobile Robot for People Detection and Localization. In Proceedings of IROS workshop: Human Behavior Understanding Vol. 7559. Lecture Notes in Computer Science (pp. 41-51).
- Vijay John, Gwenn Englebienne, Ben. J. A. Kröse (2012). Relative Camera Localisation in Non-Overlapping Camera Networks using Multiple Trajectories, ECCV Workshops 3, pp 141-150.
- Kanis, M., Robben, S. & Kröse, B.J.A. (2012). Miniature play: Using an interactive dollhouse to demonstrate ambient interactions in the home. In Proceedings of the Conference on Designing Interactive Systems (DIS 2012). New Castle, UK.
- Kanis, M., Robben, S., Veenstra, M. & Kröse, B.J.A. (2012). Visualizing Ambient User Experiences: Any How. In Proceedings of Workshop on Crafting urban camouflage (DIS 2012). New Castle, UK.
- Kröse, B., Veenstra, M., Robben, S. and Kanis, M. (2012). Living Labs as Educational Tool for Ambient Intelligence . In Paternò, F.; de Ruyter, B.; Markopoulos, P.; Santoro, C.; van Loenen, E. & Luyten, K.(Eds.). Ambient Intelligence, Springer, 7683, p356-363 , AmI 2012, Pisa.
- Nait Aicha, A., Englebienne, G. & Kröse, B.J.A. (2012). How Busy is my Supervisor? Detecting the visits in the office of my supervisor using a sensor network. In Proceedings of PETRA’12. Crete Island, Greece.
- Noulas, A., Englebienne, G. & Kröse, B.J.A. (2012). Multimodal Speaker Diarization. IEEE Transactions on Pattern Analysis and Machine Intelligence, 34(1), 79-93.
- Oosterhout, T.J.M. van, Kröse, B.J.A. & Englebienne, G. (2012). People Counting with Stereo Cameras: Two Template-based Solutions. In G. Csurka & J. Braz (Eds.), Proceedings of the International Conference on Computer Vision Theory and Applications (pp. 404-408).
- Robben, S., Englebienne, G., Pol, M. and Kröse, B. (2012) How Is Grandma Doing? Predicting Functional Health Status from Binary Ambient Sensor Data.
In AAAI Technical Report FS-12-01 Artificial Intelligence for Gerontechnology, p26-31. 2012 AAAI Fall Symposium Series, Washington. - Robben, S., Bergman, K., Haitjema, S., de Lange, Y. and Kröse, B. (2012). Reducing Dementia Related Wandering Behaviour with an Interactive Wall. In: Paternò, F.; de Ruyter, B.; Markopoulos, P.; Santoro, C.; van Loenen, E. & Luyten, K.(Eds.). Ambient Intelligence, Springer, 7683, p296-303, 2012, Pisa.
2011
- Aicha, N. & Kröse, B.J.A. (2011). Toepassing van Ambient Intelligent Systems in het HBO projectonderwijs. In Nederlands Informatica Onderwijs Congres NIOC (pp. 183-188).
- Alizadeh, S., Bakkes, S.C.J., Kanis, M., Rijken, M. & Krose, B.J.A. (2011). Telemonitoring for Assisted Living Residences: The Medical Specialists’ View. In M. Jordanova & F. Lievens (Eds.), Proceedings of the Med-e-Tel 2011; The International eHealth, Telemedicine and Health ICT Forum for Educational, Networking and Business (pp. 75-78).
- Bakkes, S.C.J., Morsch, R. & Kröse, B.J.A. (2011). Telemonitoring for Independently Living Elderly: Inventory of Needs & Requirements. In J. Maitland, J.C. Augusto & B. Caulfield (Eds.), Proceedings of the Pervasive Health 2011 conference (pp. 152-159).
- Booij, O. (2011, november 25). View-based mapping for wheeled robots. UvA Universiteit van Amsterdam (149 pag.). Prom./coprom.: prof.dr.ir. F.C.A. Groen & prof.dr.ir. B.J.A. Krose.
- Gacem, B., Vergouw, R., Verbiest, H., Cicek, E., Oosterhout, T. van, Krose, B. & Bakkes, S. (2011). Gesture recognition for an exergame prototype. In Proceedings of the BNAIC 2011, the 23rd Benelux Conference on Artificial Intelligence (pp. 457-458). Ghent, Belgium.
- Hung, H.S. & Krose, B.J.A. (2011). Detecting F-formations as Dominant Sets. In Proceedings of International Conference on Multimodal Interaction (pp. 233-238). Alicante, Spain.
- Marije Kanis and Sean Alizadeh and Jesse Groen and Milad Khalili and Saskia Robben and Sander Bakkes and Ben Kröse (2011). Ambient Monitoring from an Elderly-Centred Design Perspective: What, Who and How. Proceedings of the International Joint Conference on Ambient Intelligence (AMI-11), pp 324-329.
- Kasteren, T.L.M. van, Englebienne,G. and & Kröse, B.J.A (2011).
Human activity recognition from wireless sensor network data: Benchmark and software.
In Jit Biswas Jesse Hoey Liming Chen, Chris Nugent (editors):
Activity Recognition in Pervasive Intelligent Environments pages 165–186, 201 - Kasteren, T.L.M. van (2011, april 27). Activity Recognition for Health Monitoring Elderly using Temporal Probabilistic Models. Ph.D. thesis, UvA Universiteit van Amsterdam. Prom./coprom.: prof.dr.ir. F.C.A. Groen & dr. ir. B.J.A. Kröse.
- Kröse, B.J.A. & Mil, R. van (2011). ‘Slimme leefomgeving vereist meer ict-kennis’ Verwarming en ventilatie, 66(10), 524-527.
- Kröse, B.J.A., Oosterhout, T.J.M. van & Kasteren, T.L.M. van (2011). Activity monitoring systems in health care. In A.A. Salah & T. Gevers (Eds.), Computer Analysis of Human Behavior (pp. 325-346). Springer-Verlag London Limited.
- Leeuwen, H. van, Teeuw, W., Tangelder, R., Griffioen, R., Kröse, B.J.A. & Schouten, B. (2011). Ervaringen met ICT-onderzoek in het HBO. In Nederlands Informatica Onderwijs Congres NIOC (pp. 165-167).
- Oosterhout, T.J.M. van, Bakkes, S.C.J. & Kröse, B.J.A. (2011). Head Detection in Stereo Data for People Counting and Segmentation. In L. Mestetskiy & J. Braz (Eds.), Proceedings of 6th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Application (VISIGRAPP 2011) (pp. 620-625)
- Kasteren, T.L.M. van, Englebienne, G. & Kröse, B.J.A. (2011). Human Activity Recognition from Wireless Sensor Network Data: Benchmark and Software. In L. Chen, C. Nugent, J. Biswas & J. Hoey (Eds.), Activity Recognition in Pervasive Intelligent Environments (Ambient and Pervasive Intelligence) (pp. 165-186). Atlantis Press.
2010
- Bakkes, S.C.J. & Kröse, B.J.A. (2010). Pervasive healthcare technology for assisted living residences. Journal of Gerontechnology9(2), pp 191–192, 2010
- Booij, O., Zivkovic, Z. & Kröse, B.J.A (2010).
Efficient probabilistic planar robot motion estimation given pairs of images.
Robotics: Science and Systems VI,Zaragoza, Spain, June 2010, pp 1-10 - Englebienne, G. & and Kröse, B.J.A (2010).
Fast Bayesian people detection.
Proceedings of the 22nd benelux AI conference (BNAIC 2010), (Best Paper Award) 2010. - Evers, V. and Kröse, B.J.A (2010).
A motivational health companion in the home as part of an intelligent health monitoring sensor network.
AFFINE 3rd International workshop on Affective Interaction in Natural Environments. ACM Multimedia 2010 , Firenze, Italy., October 2010. - Evers, V. and Kröse, B.J.A (2010). Toward an ambient empathic health companion for self care in the intelligent home.
Proceedings of European Conference on Cognitive Ergonomics,Delft, the Netherlands, August 2010. - Heerink, M, Kröse, B.J.A, Evers, V., & B.J. Wielinga (2010).
Relating conversational expressiveness to social presence and acceptance of an assistive social robot.
Virtual Reality, Volume 14 , Issue 1, Pages: 77-84 . - Heerink, M, Kröse, B.J.A, Evers, V., & B.J. Wielinga (2010).
Assessing Acceptance of Assistive Social Agent Technology by Older Adults: the Almere Model.
International Journal of Social Roboticshttp://dx.doi.org/10.1007/s12369-010-0068-5. - Kasteren, T.L.M. van, Englebienne,G. and & Kröse, B.J.A (2010).
Transferring knowledge of activity recognition across sensor networks.
Pervasive Computing: 8th International Conference, Pervasive 2010,Finland, May 17-20, 2010, pp 283-300 - Kasteren, T.L.M. van, Englebienne,G. and & Kröse, B.J.A (2010).
Activity recognition using semi-markov models on real world smart home datasets.
J. Ambient Intell. Smart Environ.,2(3):311–325, 2010. - Kasteren, T.L.M. van, Englebienne,G. and & Kröse, B.J.A (2010).
An activity monitoring system for elderly care using generative and discriminative models.
Personal and Ubiquitous Computing, 14 (6), pp 489-498, 2010. - Athanasios Noulas, Gwenn Englebienne, Bas Terwijn, and Ben Kröse (2010).
Speaker detection for conversational robots using synchrony between audio and video.
Proceedings ICRA 2010 Workshop Interactive Communication for Autonomous Intelligent Robots}2010. - Rijnboutt, J and Evers, V. and Kröse, B.J.A (2010).
Cliënten willen meer controle over de camera.
ICTZorg, pages 30 — 32, oktober 2010.
2009
- Booij, O., Zivkovic, Z. & Kröse, B.J.A (2009).
Efficient data association for view based SLAM using connected dominating sets.
Robotics and Autonomous Systems 57(12):1225–1234. - Englebienne, G., Oosterhout, T.J.M. van & Kröse, B.J.A (2009).
\newblock Tracking in sparse multi-camera setups using stereo vision.
Proceedings of the 3rd ACM/IEEE International Conference on
Distributed Smart Cameras} - Esteban,I., Booij, O., Zivkovic,Z. & Kröse, B.J.A (2009).
Mapping large environments with an omnivideo camera.
Proceedings of the Conf. On Simulation, Modeling and Programming for Autonomous Robots pages 297–306. - Heerink, M, Kröse, B.J.A, Evers, V., & B.J. Wielinga (2009).
The influence of social presence on acceptance of an assistive social robot and screen agent by elderly users.
Advanced Robotics, 23(14):1909–1923. - Heerink, M, Kröse, B.J.A, B.J. Wielinga, & Evers, V.(2009).
Measuring acceptance of an assistive social robot: a suggested toolkit.
Proceedings of Ro-man, Toyama,pp 528-533. - Heerink, Marcel, Kröse, Ben, Wielinga, Bob and Evers, Vanessa.(2009).
Measuring the influence of social abilities on acceptance of an interface robot and a screen agent by elderly users.
BCS HCI ’09: Proceedings of the 2009 British Computer Society Conference on Human-Computer Interaction, Cambridge, United Kingdom, pp 430–439. - Kasteren, T.L.M. van and & Kröse, B.J.A (2009).
A sensing and annotation system for recording datasets in multiple homes.
CHI 2009 workshop ‘Developing Shared Home Behavior Datasets to Advance HCI and Ubiquitous Computing Research’: Proceedings. - Zivkovic, Z., Cemgil, A.T. & Krose, B.J.A. (2009). Approximate Bayesian methods for kernel-based object tracking. Computer Vision and Image Understanding, 113(6):743–749, 2009.
2008
- Booij, O., Kröse, B., Peltason, J., Spexard, T. & Hanheide, M. (2008). Moving from augmented to interactive mapping. In Interactive learning – RSS 2008 workshop: [proceedings:] June 28, 2008, Z�rich, Switzerland (pp. [21]-[23]). Kaiserslautern: Deutsches Forschungsinstitut f�r K�nstliche Intelligenz.
- Booij, O., Zivkovic, Z. & Kröse, B. (2008). Sampling in image space for vision based SLAM. In Robotics: science and systems: workshop Inside Data Association: 28 June 2008, ETH Z�rich, Switzerland: publications (pp. [1]-[8]). Bremen: Transregional Collaborative Research Center Spatial Cognition: Reasoning, Action, Interaction.
- Gibson, C.H.S., Kasteren, T.L.M. van & Kröse, B.J.A. (2008). Monitoring Homes with Wireless Sensor Networks. In Proceedings of The International Educational and Networking Forum for eHealth, Telemedicine and Health ICT (Medetel08) (pp. 370-374).
- Hagethorn, F.N., Kröse, B.J.A., Greef, P. de & Helmer, M.E. (2008). Creating design guidelines for a navigational aid for mild demented pedestrians. In E. Aarts, J.L. Crowley, B. de Ruyter, H. Gerh�user, A. Pflaum, J. Schmidt & R. Wichert (Eds.), Ambient Intelligence: European Conference, AmI 2008, Nuremberg, Germany, November 19-22, 2008: Proceedings Lecture Notes in Computer Science (pp. 276-289). Berlin: Springer.
- Heerink, M., Kröse, B.J.A., Wielinga, B.J. & Evers, V. (2008). Enjoyment, Intention to Use and Actual Use of a Conversational Robot by Elderly People. In T. Fong & K. Dautenhahn (Eds.), Proceedings of the third ACM/IEEE International Conference on Human-Robot Interaction . (pp. 113-119) Amsterdam: ACM.
- Heerink, M., Kröse, B., Wielinga, B. & Evers, V. (2008). Measuring perceived adaptiveness in a robotic eldercare companion. In HRI 2008: Robotic Helpers: User Interaction, Interfaces and Companions in Assistive and Therapy Robotics: Proceedings.
- Heerink, M., Kröse, B., Evers, V. & Wielinga, B. (2008). The influence of perceived adaptiveness of a social agent on acceptance by elderly users. In Proceedings of ISG’08: The 6th International Conference of the International Society for Gerontechnology (pp. 57-61).
- Heerink, M., Kröse, B., Evers, V. & Wielinga, B.J. (2008). The influence of social presence on acceptance of a companion robot by older people. Journal of Physical Agents, 2(2), 33-40.
- Kasteren, T. van, Noulas, A., Englebienne, G. & Kröse, B. (2008). Accurate activity recognition in a home setting. In Proceedings of the 10th International Conference on Ubiquitous Computing: September 21-24, 2008, Seoul, Korea ACM International Conference Proceeding Series (pp. 1-9). New York, NY: Association for Computing Machinery (ACM).
- Kröse, B.J.A., Kasteren, T.L.M. van, Gibson, C.H.S. & Dool, E.J. van den (2008). Care: context awareness in residences for elderly. In ISG 2008 – The 6th International Conference of the International Society for Gerontechnology (pp. 101-105). Pisa, Italy.
- Kröse, B.J.A., Bierhoff, I. & Schilders, M. (2008). The Digital Life Centre: a Living Lab for Education in Real World Situations. In Proceedings of The International Educational and Networking Forum for eHealth, Telemedicine and Health ICT (Medetel08) (pp. 143-146).
- Noulas, A.K., Kasteren, T. van & Kröse, B.J.A. (2008). A hybrid generative-discriminative approach to speaker diarization. In A. Popescu-Belis & R. Stiefelhagen (Eds.), Machine learning for multimodal interaction: 5th international workshop, MLMI 2008, Utrecht, The Netherlands, September 8-10, 2008: Proceedings Vol. 5237. Lecture Notes in Computer Science (pp. 98-109). Berlin: Springer.
- Noulas, A.K. & Kröse, B.J.A. (2008). Deep Belief Networks for dimensionality reduction. In A. Nijholt, M. Pantic, M. Poel & H. Hondorp (Eds.), Proceedings of the twentieth Belgian-Dutch Conference on Artificial Intelligence BNAIC (pp. 185-191). Enschede: University of Twente, Faculty of Electrical Engineering, Mathematics and Computer Science.
- Noulas, A.K. & Kröse, B.J.A. (2008). Deep architectures for Human Computer Interaction. In Proceedings of the Workshop on Affective Interaction in Natural Environments (AFFINE) (pp. 1-5).
- Speelman, M. & Kröse, B. (2008). Virtual Mirror gaming in libraries. In A. Nijholt & R. Poppe (Eds.), Facial and bodily expressions for control and adaptation of games (ECAG 2008) (pp. 37-47). Enschede: Centre for Telematics and Information Technology (CTIT).
- Veldkamp, D., Hagenthorn, F., Kröse, B.J.A. & Greef, P. de (2008). The Use of Visual landmarks in a Wayfinding System for Elderly with Beginning Dementia. In Proceedings of The International Educational and Networking Forum for eHealth, Telemedicine and Health ICT (Medetel08) (pp. 161-166).
- Zivkovic, Z., Booij, O., Kröse, B.J.A. & Topp, E.A. (2008). From sensors to human spatial concepts: an annotated dataset. IEEE Transactions on Robotics and Automation, 24(2), 501-505.
2007
- O. Booij, B. Terwijn, Z. Zivkovic and Ben J. A. Kröse (2007). Navigation Using an Appearance Based Topological Map IEEE International Conference on Robotics and Automation, pages 411-418, 2007
- Heerink, M., Kröse, B.J.A., Wielinga, B.J. & Evers, V. (2007). Observing conversational expressiveness of elderly users interacting with a robot and screen agent. In Proceedings of the International Conference on Rehabilitation Robotics . pages 154-157, Amsterdam: ACM.
- Heerink, M., Kröse, B.J.A., Wielinga, B.J. & Evers, V. (2007). iCat in Eldercare. In C Bartneck & T Kanda (Eds.), Proceedings of the 2nd ACM/IEEE International Conference on Human-Robot Interaction (pp. 177-184). Washington DC.
- Kasteren, T.L.M. van & and Ben J. A. Kröse (2007). Bayesian activity recognition in residence for elderly IE’07: Proceedings of the third international Intelligent Environments conference.
- Kasteren, T.L.M. van & and Ben J. A. Kröse (2007). Context awareness in residences for elders IEEE Pervasive Computing, 6(1) 59-60.
- Kasteren, T.L.M. van, Kröse, B.J.A. & Cemgil, A.T. (2007). Realtime Simultaneous Tempo Tracking and Rhythm Quantization in Music. In Demo in BNAIC 2007: The 19th Belgian-Dutch Conference on Artificial Intelligence (pp. 431-432).
- Kröse, B.J.A., Booij, O. & Zivkovic, Z. (2007). A geometrically constrained image similarity measure for visual mapping, localization and navigation. In Proceedings of the 3rd European Conference on Mobile Robots (pp. 168-174). Freiburg, Germany.
- Mensink, T., Kröse, B.J.A. & Zajdel, W.P. (2007). Distributed Appearance Based Tracking using the EM algorithm. In Proceedings of the 2007 First ACM/IEEE International Conference on Distributed Smart Cameras (pp. 178-184). Vienna, Austria: IEEE.
- Noulas, A. & Kröse, B.J.A. (2007). Learning in Multi-Modal Information Streams. In Proceedings of the 19th Belgian-Dutch Conference on Artificial Intelligence 2007 (pp. 245-252). Utrecht, The Netherlands.
- Noulas, A. & Kröse, B.J.A. (2007). On-line Multi-Modal Speaker Diarization. In Proceedings of International Conference on Multimodal Interfaces ’07 (pp. 350-358). Nagoya, Japan.
- Noulas, A., Vlassis, N. & Kröse, B.J.A. (2007). Cross Entropy for learning in Multi-Modal Streams. In Proceeding of the Joint Workshop on MultiModal Interaction and Related Machine Learning Algorithms ’07 . Brno, Czech Republic.
- Terwijn, B. & Noulas, A. (2007). BNAIC Demo: Online Speaker Detection by the iCat Robot. In BNAIC 2007: The 19th Belgian-Dutch Conference on Artificial Intelligence (pp. 451-452).
- Z. Zivkovic and Ben J. A. Kröse (2007). Part based people detection using 2D range data and images in: IEEE/RSJ International Conference on Intelligent Robots and Systems
- Zivkovic, Z. & Kröse, B.J.A. (2007). Part Based People Detection on a Mobile Robot. In Proceedings of IEEE ICRA2007 Workshop: From features to actions .
- Z. Zivkovic, O. Booij , and Ben J. A. Kröse (2007). From images to rooms Robotic and Autonomous Systems, vol.55, no.5, pages 411-418, 2007
2006
- Heerink, M., Kröse, B.J.A., Wielinga, B.J. & Evers, V. (2006). Studying the acceptance of a robotic agent by elderly users. International Journal of Assistive Robotics and Mechatronics, 7(3), 25-35.
- Wojciech Zajdel, A. Taylan Cemgil and Ben J. A. Kröse (2006). Dynamic Bayesian Networks for Visual Surveillance with Distributed Cameras in: Smart Sensing and Context 240-243.
- Heerink, M., Kröse, B.J.A., Wielinga, B.J., & Evers, V. (2006). Studying the acceptance of a robotic agent by elderly users International Journal of Assistive Robotics and Mechatronics, 7(3), 25-35.
- Booij, O., Zivkovic, Z., & Kröse, B.J.A. (2006). From sensors to rooms. In Proc. IROS Workshop From Sensors to Human Spatial Concepts (pp. 53-58). IEEE.
- Booij, O., Zivkovic, Z., & Kröse, B.J.A. (2006). Sparse appearance based modeling for robot localization. In Proc. IEEE/RSJ Int. Conf. on Intelligent Robots and Systems (pp. 1510-1515). ieee.
2008
- Booij, O., Kröse, B., Peltason, J., Spexard, T. & Hanheide, M. (2008). Moving from augmented to interactive mapping. In Interactive learning – RSS 2008 workshop: [proceedings:] June 28, 2008, Z�rich, Switzerland (pp. [21]-[23]). Kaiserslautern: Deutsches Forschungsinstitut f�r K�nstliche Intelligenz.
- Booij, O., Zivkovic, Z. & Kröse, B. (2008). Sampling in image space for vision based SLAM. In Robotics: science and systems: workshop Inside Data Association: 28 June 2008, ETH Z�rich, Switzerland: publications (pp. [1]-[8]). Bremen: Transregional Collaborative Research Center Spatial Cognition: Reasoning, Action, Interaction.
- Gibson, C.H.S., Kasteren, T.L.M. van & Kröse, B.J.A. (2008). Monitoring Homes with Wireless Sensor Networks. In Proceedings of The International Educational and Networking Forum for eHealth, Telemedicine and Health ICT (Medetel08) (pp. 370-374).
- Hagethorn, F.N., Kröse, B.J.A., Greef, P. de & Helmer, M.E. (2008). Creating design guidelines for a navigational aid for mild demented pedestrians. In E. Aarts, J.L. Crowley, B. de Ruyter, H. Gerh�user, A. Pflaum, J. Schmidt & R. Wichert (Eds.), Ambient Intelligence: European Conference, AmI 2008, Nuremberg, Germany, November 19-22, 2008: Proceedings Lecture Notes in Computer Science (pp. 276-289). Berlin: Springer.
- Heerink, M., Kröse, B.J.A., Wielinga, B.J. & Evers, V. (2008). Enjoyment, Intention to Use and Actual Use of a Conversational Robot by Elderly People. In T. Fong & K. Dautenhahn (Eds.), Proceedings of the third ACM/IEEE International Conference on Human-Robot Interaction . (pp. 113-119) Amsterdam: ACM.
- Heerink, M., Kröse, B., Wielinga, B. & Evers, V. (2008). Measuring perceived adaptiveness in a robotic eldercare companion. In HRI 2008: Robotic Helpers: User Interaction, Interfaces and Companions in Assistive and Therapy Robotics: Proceedings.
- Heerink, M., Kröse, B., Evers, V. & Wielinga, B. (2008). The influence of perceived adaptiveness of a social agent on acceptance by elderly users. In Proceedings of ISG’08: The 6th International Conference of the International Society for Gerontechnology (pp. 57-61).
- Heerink, M., Kröse, B., Evers, V. & Wielinga, B.J. (2008). The influence of social presence on acceptance of a companion robot by older people. Journal of Physical Agents, 2(2), 33-40.
- Kasteren, T. van, Noulas, A., Englebienne, G. & Kröse, B. (2008). Accurate activity recognition in a home setting. In Proceedings of the 10th International Conference on Ubiquitous Computing: September 21-24, 2008, Seoul, Korea ACM International Conference Proceeding Series (pp. 1-9). New York, NY: Association for Computing Machinery (ACM).
- Kröse, B.J.A., Kasteren, T.L.M. van, Gibson, C.H.S. & Dool, E.J. van den (2008). Care: context awareness in residences for elderly. In ISG 2008 – The 6th International Conference of the International Society for Gerontechnology (pp. 101-105). Pisa, Italy.
- Kröse, B.J.A., Bierhoff, I. & Schilders, M. (2008). The Digital Life Centre: a Living Lab for Education in Real World Situations. In Proceedings of The International Educational and Networking Forum for eHealth, Telemedicine and Health ICT (Medetel08) (pp. 143-146).
- Noulas, A.K., Kasteren, T. van & Kröse, B.J.A. (2008). A hybrid generative-discriminative approach to speaker diarization. In A. Popescu-Belis & R. Stiefelhagen (Eds.), Machine learning for multimodal interaction: 5th international workshop, MLMI 2008, Utrecht, The Netherlands, September 8-10, 2008: Proceedings Vol. 5237. Lecture Notes in Computer Science (pp. 98-109). Berlin: Springer.
- Noulas, A.K. & Kröse, B.J.A. (2008). Deep Belief Networks for dimensionality reduction. In A. Nijholt, M. Pantic, M. Poel & H. Hondorp (Eds.), Proceedings of the twentieth Belgian-Dutch Conference on Artificial Intelligence BNAIC (pp. 185-191). Enschede: University of Twente, Faculty of Electrical Engineering, Mathematics and Computer Science.
- Noulas, A.K. & Kröse, B.J.A. (2008). Deep architectures for Human Computer Interaction. In Proceedings of the Workshop on Affective Interaction in Natural Environments (AFFINE) (pp. 1-5).
- Speelman, M. & Kröse, B. (2008). Virtual Mirror gaming in libraries. In A. Nijholt & R. Poppe (Eds.), Facial and bodily expressions for control and adaptation of games (ECAG 2008) (pp. 37-47). Enschede: Centre for Telematics and Information Technology (CTIT).
- Veldkamp, D., Hagenthorn, F., Kröse, B.J.A. & Greef, P. de (2008). The Use of Visual landmarks in a Wayfinding System for Elderly with Beginning Dementia. In Proceedings of The International Educational and Networking Forum for eHealth, Telemedicine and Health ICT (Medetel08) (pp. 161-166).
- Zivkovic, Z., Booij, O., Kröse, B.J.A. & Topp, E.A. (2008). From sensors to human spatial concepts: an annotated dataset. IEEE Transactions on Robotics and Automation, 24(2), 501-505.
2007
- O. Booij, B. Terwijn, Z. Zivkovic and Ben J. A. Kröse (2007). Navigation Using an Appearance Based Topological Map IEEE International Conference on Robotics and Automation, pages 411-418, 2007
- Heerink, M., Kröse, B.J.A., Wielinga, B.J. & Evers, V. (2007). Observing conversational expressiveness of elderly users interacting with a robot and screen agent. In Proceedings of the International Conference on Rehabilitation Robotics . pages 154-157, Amsterdam: ACM.
- Heerink, M., Kröse, B.J.A., Wielinga, B.J. & Evers, V. (2007). iCat in Eldercare. In C Bartneck & T Kanda (Eds.), Proceedings of the 2nd ACM/IEEE International Conference on Human-Robot Interaction (pp. 177-184). Washington DC.
- Kasteren, T.L.M. van & and Ben J. A. Kröse (2007). Bayesian activity recognition in residence for elderly IE’07: Proceedings of the third international Intelligent Environments conference.
- Kasteren, T.L.M. van & and Ben J. A. Kröse (2007). Context awareness in residences for elders IEEE Pervasive Computing, 6(1) 59-60.
- Kasteren, T.L.M. van, Kröse, B.J.A. & Cemgil, A.T. (2007). Realtime Simultaneous Tempo Tracking and Rhythm Quantization in Music. In Demo in BNAIC 2007: The 19th Belgian-Dutch Conference on Artificial Intelligence (pp. 431-432).
- Kröse, B.J.A., Booij, O. & Zivkovic, Z. (2007). A geometrically constrained image similarity measure for visual mapping, localization and navigation. In Proceedings of the 3rd European Conference on Mobile Robots (pp. 168-174). Freiburg, Germany.
- Mensink, T., Kröse, B.J.A. & Zajdel, W.P. (2007). Distributed Appearance Based Tracking using the EM algorithm. In Proceedings of the 2007 First ACM/IEEE International Conference on Distributed Smart Cameras (pp. 178-184). Vienna, Austria: IEEE.
- Noulas, A. & Kröse, B.J.A. (2007). Learning in Multi-Modal Information Streams. In Proceedings of the 19th Belgian-Dutch Conference on Artificial Intelligence 2007 (pp. 245-252). Utrecht, The Netherlands.
- Noulas, A. & Kröse, B.J.A. (2007). On-line Multi-Modal Speaker Diarization. In Proceedings of International Conference on Multimodal Interfaces ’07 (pp. 350-358). Nagoya, Japan.
- Noulas, A., Vlassis, N. & Kröse, B.J.A. (2007). Cross Entropy for learning in Multi-Modal Streams. In Proceeding of the Joint Workshop on MultiModal Interaction and Related Machine Learning Algorithms ’07 . Brno, Czech Republic.
- Terwijn, B. & Noulas, A. (2007). BNAIC Demo: Online Speaker Detection by the iCat Robot. In BNAIC 2007: The 19th Belgian-Dutch Conference on Artificial Intelligence (pp. 451-452).
- Z. Zivkovic and Ben J. A. Kröse (2007). Part based people detection using 2D range data and images in: IEEE/RSJ International Conference on Intelligent Robots and Systems
- Zivkovic, Z. & Kröse, B.J.A. (2007). Part Based People Detection on a Mobile Robot. In Proceedings of IEEE ICRA2007 Workshop: From features to actions .
- Z. Zivkovic, O. Booij , and Ben J. A. Kröse (2007). From images to rooms Robotic and Autonomous Systems, vol.55, no.5, pages 411-418, 2007
2006
- Heerink, M., Kröse, B.J.A., Wielinga, B.J. & Evers, V. (2006). Studying the acceptance of a robotic agent by elderly users. International Journal of Assistive Robotics and Mechatronics, 7(3), 25-35.
- Wojciech Zajdel, A. Taylan Cemgil and Ben J. A. Kröse (2006). Dynamic Bayesian Networks for Visual Surveillance with Distributed Cameras in: Smart Sensing and Context 240-243.
- Heerink, M., Kröse, B.J.A., Wielinga, B.J., & Evers, V. (2006). Studying the acceptance of a robotic agent by elderly users International Journal of Assistive Robotics and Mechatronics, 7(3), 25-35.
- Booij, O., Zivkovic, Z., & Kröse, B.J.A. (2006). From sensors to rooms. In Proc. IROS Workshop From Sensors to Human Spatial Concepts (pp. 53-58). IEEE.
- Booij, O., Zivkovic, Z., & Kröse, B.J.A. (2006). Sparse appearance based modeling for robot localization. In Proc. IEEE/RSJ Int. Conf. on Intelligent Robots and Systems (pp. 1510-1515). ieee.
- Spexard, T., Li, S., Wrede, B., Fritsch, J., Sagerer, G., Booij, O., Zivkovic, Z., Terwijn, B., & Kröse, B.J.A. (2006). BIRON, where are you? – Enabling a robot to learn new places in a real home environment by integrating spoken dialog and visual localization. In Proc. IEEE/RSJ Int. Conf. on Intelligent Robots and Systems (pp. 934-940). ieee.
- M.Heerink, B.J.A.
Kröse, B.J. Wielinga, and V.Evers.
Human-robot user studies in eldercare: Lessons learned.
In Proc. Int. Conf. on Smart Homes and Health Telematics, Belfast,
Northern Ireland, June 2006(pp. 31-38) - Heerink, M., Kröse, B.J.A., Wielinga, B.J., & Evers, V. (2006). The Influence of a Robot’s Social Abilities on Acceptance by Elderly Users In In Proceedings RO-MAN (pp. 521-526). Hertfordshire.
- K.L. Koay, Z.Zivkovic,
B.Kröse, K.Dautenhahn, M.L. Walters, N.R. Otero, and
A.Alissandrakis.
Methodological issues of annotating vision sensor data using subjects’ own
judgement of comfort in a robot human following experiment.
In IEEE International Symposium on Robot and Human Interactive
Communication, to appear, 2006. - Z.Zivkovic,
B.Bakker, and B.Kröse.
Hierarchical map building and planning based on graph partitioning.
In IEEE International Conference on Robotics and Automation, pages
803-809, 2006.
(PDF, 391 Kbytes)
2005
- B.Bakker, Z.Zivkovic,
and B.J.A. Kröse.Hierarchical dynamic programming for robot path planning.
In Proc. IEEE/RSJ International Conference on Intelligent Robots and
Systems, pages 3720-3725, 2005.
(PDF, 243 Kbytes) - O.Booij, Z.Zivkovic,
and B.Kröse.Pruning the image set for appearance based robot localization.
In Proceedings of the Annual Conference of the Advanced School for
Computing and Imaging, pages 57-64, June 2005.
(PDF, 276 Kbytes) - A.T. Cemgil,
W.Zajdel, and B.Kröse.
A hybrid graphical model for robust feature extraction from video.
In C.Schmid, S.Soatto, and C.Tomasi, editors, IEEE Computer Vision and
Pattern Recognition (CVPR), pages 1158-1165, San Diego, June 2005.
(PDF, 300 Kbytes) - G.Klaassen,
W.Zajdel, and B.J.A. Kröse.
Speech-based localization of multiple persons for an interface robot.
In Proc. of IEEE Int. Conference on Computational Intelligence in
Robotics and Automation (CIRA2005), pages 47-52, 2005.
(PDF, 657 Kbytes) - B.J.A. Kröse.Digital life: de toegevoegde waarde van ICT in onze
leefomgeving.
HvA publicaties. Amsterdam University Press, 2005.
in Dutch.
(PDF, 1960 Kbytes) - B.J.A. Kröse.
Digital life is extra hulp in zorgsector.
de Automatiseringsgids, 34:13, 2005.
in Dutch.
(PDF, 27 Kbytes) - J.M. Porta, J.J. Verbeek, and B.J.A. Kröse.Active appearance-based robot localization using stereo vision.Autonomous Robots, 18(1):59-80, 2005.(PDF, 2262 Kbytes)
- J.M. Porta and
B.J.A Kröse.
Appearance-based concurrent map building and localization.
Robotics and Autonomous Systems, 54(2):159-164, 2005.
ISBN 0921-8890.
(PDF, 1120 Kbytes) - J.J. Verbeek, N.Vlassis, and B.J.A. Kröse.Self-organizing mixture models.Neurocomputing, 63:99-123, 2005.(PDF, 859 Kbytes)
- W.Zajdel and
B.J.A. Kröse.
A sequential bayesian algorithm for surveillance with non-overlapping
cameras.
Int. Journal of Pattern Recognition and Artificial Intelligence,
19(8):977-996, 2005.
(PDF, 568 Kbytes) - W.Zajdel, N.Vlassis,
and B.J.A Kröse.
Bayesian methods for tracking and localization.
In E.Aarts, J.Korts, and W.Verhaegh, editors, Intelligent
Algorithms, pages 243-258. Kluwer Academic Publishers, 2005.
(PDF, 166 Kbytes) - W.Zajdel, Z.Zivkovic,
and B.J.A. Kröse.
Keeping track of humans: have I seen this person before?.
In Proc. of Int. Conference on Robotics and Automation (ICRA),
pages 2093-2098, 2005.
(Gzipped PostScript, 6 pages, 1179 Kbytes)
(PDF, 1517 Kbytes) - Z.Zivkovic
and B.J.A. Kröse.
On matching interest regions using local descriptors – can an information
theoretic approach help?.
In Proc. British Machine Vision Conference, pages 50-58, 2005.
(PDF, 241 Kbytes) - Z.Zivkovic,
B.Bakker, and B.J.A. Kröse.Hierarchical map building using visual landmarks and geometric
constraints.
In Proc. IEEE/RSJ International Conference on Intelligent Robots and
Systems, pages 7-12, 2005.
(PDF, 550 Kbytes)
2004
- B.Kröse,
R.Bunschoten, S.ten Hagen, B.Terwijn, and N.Vlassis.
Household robots look and learn.
IEEE Robotics and Automation Magazine, 11(4):45-52, December
2004. - B.J.A. Kröse,
N.Vlassis, and W.Zajdel.
Bayesian methods for tracking and localization.
In Proc. of Philips Symposium On Intelligent Algorithms, (SOIA),
pages 27-38, 2004.
(Gzipped PostScript, 12 pages, 184 Kbytes)
(PDF, 167 Kbytes) - J.M. Porta and
B.J.A. Kröse.
Appearance-based concurrent map building and localization.
In F.C.A. Groen, editor, International Conference on Intelligent
Autonomous Systems, IAS’04, pages 1022-1029. IOS Press, March 2004.
ISBN 1-58603-414-6. - J.M. Porta and
B.J.A. Kröse.
Appearance-based concurrent map building and localization using a
multi-hypotheses tracker..
In Proc.IEEE/RSJ International Conference on Intelligent Robots and
Systems, pages 3424-3429, Sendai, Japan, 2004. IEEE Press.
(PDF, 156 Kbytes) - Martijn Reuvers,
Richard Kleihorst, Harry Broers, and Ben Kröse.
A smart camera for face recognition.
In Proceedings of SPS-2004, 2004.
(PDF, 225 Kbytes) - S.H.G. ten
Hagen and B.J.A. Kröse.
Learning to understand tasks for mobile robots.
In Proc. of the IEEE Int. Conf. on System, Man and Cybernetics,
The Hague, The Netherlands, October 2004.
To Appear.
(Gzipped PostScript, 6 pages, 467 Kbytes)
(PDF, 448 Kbytes) - J.M. Terwijn,
B.Porta and B.J.A. Kröse.
A particle filter to estimate non-markovian states.
In F.C.A. Groen, editor, International Conference on Intelligent
Autonomous Systems, IAS’04, pages 1062-1069. IOS Press, March 2004.
ISBN 1-58603-414-6. - W.Zajdel, A.T. Cemgil,
and B.Kröse.
Online multicamera tracking with a switching state-space model.
In Proc. of IEEE International Conference on Pattern Recognition
(ICPR), pages IV:339-343, Cambridge, UK, 2004.
(PDF, 175 Kbytes) - Z.Zivkovic
and B.Kröse.
An EM-like algorithm for color-histogram-based object tracking.
In IEEE Conference on Computer Vision and Pattern Recognition,
June 2004.
To appear.
(PDF, 372 Kbytes) - Z.Zivkovic
and B.Kröse.
A probabilistic model for an EM-like object tracking algorithm using
color-histograms.
In 6th IEEE International Workshop on Performance Evaluation of Tracking
and Surveillance (in connection with ECCV2004), May 2004.
To appear.
(PDF, 171 Kbytes)
2003
- R.Bunschoten and B.Kröse.
Robust scene reconstruction from an omnidirectional vision system.
IEEE Transactions on Robotics and Automation, 19(2):351-357,
2003.
(PDF, 886 Kbytes) - Roland
Bunschoten and Ben Kröse.
Visual odometry from an omnidirectional vision system.
In Proceedings of the International Conference on Robotics and Automation
ICRA’03, pages 577-583, Taipei, Taiwan, 2003.
ISBN 0-7803-7737-0. - B.J.A. Kröse,
J.M. Porta, K.Crucq, A.J.N. van Breemen, M.Nuttin, and E.Demeester.
Lino, the user-interface robot.
In E.Aarts, R.Collier, E.van Loenen, and B.D. Ruyter, editors,
Proceedings of the First European Symposium on Ambience Intelligence
(EUSAI), pages 264-274, Eindhoven, The Netherlands, November 2003.
Springer.
ISBN 3-540-20418-0.
(PDF, 7004 Kbytes) - J.M. Porta and
B.J.A. Kröse.
Vision-based localization for mobile platforms.
In E.Aarts, R.Collier, E.van Loenen, and B.D. Ruyter, editors,
Proceedings of the First European Symposium on Ambience Intelligence
(EUSAI), pages 208-219, Eindhoven, The Netherlands, November 2003.
Springer.
ISBN 3-540-20418-0.
(PDF, 2051 Kbytes) - JosepM. Porta
and Ben Kröse.
On the use of disparity maps for robust robot localization under different
illumination conditions.
In A.T. deAlmeida and U.Nunes, editors, Proceedings of the 11th
International Conference on Advanced Robotics, ICAR’03, pages
124-129, Coimbra, Portugal, June 30-July 3 2003. IEEE Press.
ISBN 972-96889-9-0.
(Gzipped PostScript, 6 pages, 345 Kbytes)
(PDF, 988 Kbytes) - J.M. Porta, J.J.
Verbeek, and B.J.A. Kröse.
Enhancing appearance-based robot localization using sparse disparity
maps.
In C.S.G. Lee and J.Yuh, editors, Proc.IEEE/RSJ International
Conference on Intelligent Robots and Systems, pages 980-985, Las
Vegas, USA, October 2003. IEEE Press.
ISBN 0-7803-7861-X.
(PDF, 253 Kbytes) - JosepM. Porta, Bas
Terwijn, and Ben Kröse.
Efficient entropy-based action selection for appearance-based robot
localization.
In Proceedings of the International Conference on Robotics and Automation
ICRA’03, pages 2842-2847, Taipei, Taiwan, 2003.
ISBN 0-7803-7737-0.
(PDF, 114 Kbytes) - Stephan ten
Hagen and Ben Kröse.
Neural Q-learning.
Neural Computing & Applications, 12(2):81-88, November 2003.
ISSN: 0941-0643 (Paper) 1433-3058 (Online).
(Gzipped PostScript, 13 pages, 163 Kbytes)
(PDF, 248 Kbytes) - S.H.G. ten
Hagen and B.J.A. Kröse.
Learning to navigate using a lazy map.
In A.T. deAlmeida and U.Nunes, editors, Proceedings of the 11th
International Conference on Advanced Robotics, ICAR’03, pages
299-304, Coimbra, Portugal, June 30-July 3 2003.
(Gzipped PostScript, 6 pages, 157 Kbytes)
(PDF, 119 Kbytes) - A.J.N van
Breemen, K.Crucq, B.J.A Kröse, M.Nuttin, J.M. Porta, and E.Demeester.A user-interface robot for ambient intelligent environments.
In P.Fiorini, editor, Proceedings of the 1st International Workshop on
Advances in Service Robotics, ASER’03, pages 132-139, Bardolino,
Italy, 2003. Fraunhofer IRB Verlag.
(Gzipped PostScript, 8 pages, 5288 Kbytes)
(PDF, 3287 Kbytes) - J.J. Verbeek,
N.Vlassis, and B.J.A. Kröse.
Efficient greedy learning of Gaussian mixture models.
Neural Computation, 15(2):469-485, 2003.
(PDF, 505 Kbytes) - J.J. Verbeek,
N.Vlassis, and B.J.A. Kröse.
Non-linear feature extraction by the coordination of mixture models.
In S.Vassiliadis, L.M.J. Florack, J.W.J. Heijnsdijk, and A.vander Steen,
editors, Proc. 8th Ann. Conf. of the Advanced School for Computing and
Imaging (ASCI), pages 287-293, Heijen, The Netherlands, June 2003.
ASCI.
(PDF, 1331 Kbytes) - J.J. Verbeek,
N.Vlassis, and B.J.A. Kröse.
Self-organization by optimizing free-energy.
In M.Verleysen, editor, Proc. of European Symposium on Artificial Neural
Networks, pages 125-130. D-side, Evere, Belgium, 2003.
(PDF, 184 Kbytes) - A.H.G. Versluis,
B.J.F Driessen, J.A. van Woerden, and B.J.A. Kröse.
Enhancing the usability of the MANUS manipulator by using visual
servoing.
In Proceedings of International Conference on Rehabilitation Robotics,
ICORR 2003, pages 43-46, KAIST, Daejon, South Korea, 22-25 April
2003. - Wojciech
Zajdel and Ben Kröse.
Approximate learning and inference for tracking with non-overlapping
cameras.
In M.H. Hamza, editor, Proc. of the IASTED Int. Conf. on Artificial
Intelligence and Applications, pages 70-75. ACTA Press, Calgary,
Canada, 2003.
(PDF, 125 Kbytes) - Wojciech
Zajdel and Ben Kröse.
Gaussian mixture model for multi-sensor tracking.
In T.Heskes, P.Lucas, L.Vuurpijl, and W.Wiegerinck, editors,
Proceedings of the 15th Dutch-Belgian Artificial Intelligence
Conference, BNAIC’03, pages 371-378, Nijmegen, The Netherlands,
October 2003. Elsevier.
(PDF, 200 Kbytes)
2002
- R.Bunschoten and B.Kröse.
3-D scene reconstruction from cylindrical panoramic images.
Robotics and Autonomous Systems (special issue), 41(2/3):111-118,
November 2002.
(PDF, 225 Kbytes) - B.J.A. Kröse,
N.Vlassis, and R.Bunschoten.
Omnidirectional vision for appearance-based robot localization.
In G.D. Hagar, H.I. Cristensen, H.Bunke, and R.Klein, editors, Sensor
Based Intelligent Robots: International Workshop, Dagstuhl Castle, Germany,
October 2000, Selected Revised Papers, number 2238 in Lecture Notes in
Computer Science, pages 39-50. Springer, 2002.
(PDF, 730 Kbytes) - S.H.G. ten
Hagen and B.J.A. Kröse.
Towards global consistent pose estimation from images.
In R.Siegwart and C.Laugier, editors, Proc.IEEE/RSJ International
Conference on Intelligent Robots and Systems, pages 466-471,
Lausanne,Switzerland, September 2002. Omnipress.
(Gzipped PostScript, 6 pages, 317 Kbytes)
(PDF, 176 Kbytes) - S.H.G. ten
Hagen and B.J.A. Kröse.
Trajectory reconstruction for self-localization and map building.
In W.R. Hamel and A.A. Maciejewski, editors, Proc. IEEE Int. Conf. on
Robotics and Automation, pages 1796-1801, Washington D.C., USA, May
2002. Omnipress.
(Gzipped PostScript, 6 pages, 168 Kbytes)
(PDF, 143 Kbytes) - J.J. Verbeek,
N.Vlassis, and B.Kröse.
A k-segments algorithm for finding principal curves.
Pattern Recognition Letters, 23(8):1009-1017, 2002.
(Gzipped PostScript, 12 pages, 97 Kbytes)
(PDF, 149 Kbytes) - J.J. Verbeek,
N.Vlassis, and B.J.A. Kröse.
Coordinating Principal Component Analyzers.
In J.R. Dorronsoro, editor, Proceedings of International Conference on
Artificial Neural Networks, Lecture Notes in Computer Science,
pages 914-919, Madrid, Spain, August 2002. Springer.
(PDF, 251 Kbytes) - J.J. Verbeek,
N.Vlassis, and B.J.A. Kröse.
Fast non-linear dimensionality reduction using topology preserving
networks.
In M.Verleysen, editor, Proc. of European Symposium on Artificial Neural
Networks, pages 193-198. D-side, Evere, Belgium, 2002.
(PDF, 167 Kbytes) - J.J. Verbeek,
N.Vlassis, and B.J.A. Kröse.
Locally linear generative topographic mapping.
In M.Wiering, editor, Benelearn 2002: Proceedings of the Twelfth
Belgian-Dutch Conference on Machine Learning, Utrecht, The
Netherlands, December 2002.
(PDF, 158 Kbytes) - N.Vlassis,
Y.Motomura, and B.Kröse.
Supervised dimension reduction of intrinsically low-dimensional data.
Neural Computation, 14(1):191-215, January 2002.
(Gzipped PostScript, 22 pages, 331 Kbytes) - N.Vlassis,
B.Terwijn, and B.Kröse.
Auxiliary particle filter robot localization from high-dimensional sensor
observations.
In W.R. Hamel and A.A. Maciejewski, editors, Proc. IEEE Int. Conf. on
Robotics and Automation, pages 7-12, Washington D.C., USA, May 2002.
Omnipress.
(Gzipped PostScript, 6 pages, 218 Kbytes)
(PDF, 178 Kbytes) - W.Zajdel and
B.Kröse.
Bayesian network for multiple hypothesis tracking.
In H.Blockeel and M.Denecker, editors, Proceedings of the 14th
Dutch-Belgian Artificial Intelligence Conference, BNAIC’02, pages
379-386, Leuven, Belgium, October 2002.
(Gzipped PostScript, 8 pages, 52 Kbytes)
(PDF, 74 Kbytes) - Spexard, T., Li, S., Wrede, B., Fritsch, J., Sagerer, G., Booij, O., Zivkovic, Z., Terwijn, B., & Kröse, B.J.A. (2006). BIRON, where are you? – Enabling a robot to learn new places in a real home environment by integrating spoken dialog and visual localization. In Proc. IEEE/RSJ Int. Conf. on Intelligent Robots and Systems (pp. 934-940). ieee.
- M.Heerink, B.J.A.
Kröse, B.J. Wielinga, and V.Evers.
Human-robot user studies in eldercare: Lessons learned.
In Proc. Int. Conf. on Smart Homes and Health Telematics, Belfast,
Northern Ireland, June 2006(pp. 31-38) - Heerink, M., Kröse, B.J.A., Wielinga, B.J., & Evers, V. (2006). The Influence of a Robot’s Social Abilities on Acceptance by Elderly Users In In Proceedings RO-MAN (pp. 521-526). Hertfordshire.
- K.L. Koay, Z.Zivkovic,
B.Kröse, K.Dautenhahn, M.L. Walters, N.R. Otero, and
A.Alissandrakis.
Methodological issues of annotating vision sensor data using subjects’ own
judgement of comfort in a robot human following experiment.
In IEEE International Symposium on Robot and Human Interactive
Communication, to appear, 2006. - Z.Zivkovic,
B.Bakker, and B.Kröse.
Hierarchical map building and planning based on graph partitioning.
In IEEE International Conference on Robotics and Automation, pages
803-809, 2006.
(PDF, 391 Kbytes)
2005
- B.Bakker, Z.Zivkovic,
and B.J.A. Kröse.Hierarchical dynamic programming for robot path planning.
In Proc. IEEE/RSJ International Conference on Intelligent Robots and
Systems, pages 3720-3725, 2005.
(PDF, 243 Kbytes) - O.Booij, Z.Zivkovic,
and B.Kröse.Pruning the image set for appearance based robot localization.
In Proceedings of the Annual Conference of the Advanced School for
Computing and Imaging, pages 57-64, June 2005.
(PDF, 276 Kbytes) - A.T. Cemgil,
W.Zajdel, and B.Kröse.
A hybrid graphical model for robust feature extraction from video.
In C.Schmid, S.Soatto, and C.Tomasi, editors, IEEE Computer Vision and
Pattern Recognition (CVPR), pages 1158-1165, San Diego, June 2005.
(PDF, 300 Kbytes) - <G.Klaassen,
W.Zajdel, and B.J.A. Kröse.
Speech-based localization of multiple persons for an interface robot.
In Proc. of IEEE Int. Conference on Computational Intelligence in
Robotics and Automation (CIRA2005), pages 47-52, 2005.
(PDF, 657 Kbytes) - B.J.A. Kröse.Digital life: de toegevoegde waarde van ICT in onze
leefomgeving.
HvA publicaties. Amsterdam University Press, 2005.
in Dutch.
(PDF, 1960 Kbytes) - B.J.A. Kröse.
Digital life is extra hulp in zorgsector.
de Automatiseringsgids, 34:13, 2005.
in Dutch.
(PDF, 27 Kbytes) - J.M. Porta, J.J. Verbeek, and B.J.A. Kröse.Active appearance-based robot localization using stereo vision.Autonomous Robots, 18(1):59-80, 2005.(PDF, 2262 Kbytes)
- J.M. Porta and
B.J.A Kröse.
Appearance-based concurrent map building and localization.
Robotics and Autonomous Systems, 54(2):159-164, 2005.
ISBN 0921-8890.
(PDF, 1120 Kbytes) - J.J. Verbeek, N.Vlassis, and B.J.A. Kröse.Self-organizing mixture models.Neurocomputing, 63:99-123, 2005.(PDF, 859 Kbytes)
- W.Zajdel and
B.J.A. Kröse.
A sequential bayesian algorithm for surveillance with non-overlapping
cameras.
Int. Journal of Pattern Recognition and Artificial Intelligence,
19(8):977-996, 2005.
(PDF, 568 Kbytes) - W.Zajdel, N.Vlassis,
and B.J.A Kröse.
Bayesian methods for tracking and localization.
In E.Aarts, J.Korts, and W.Verhaegh, editors, Intelligent
Algorithms, pages 243-258. Kluwer Academic Publishers, 2005.
(PDF, 166 Kbytes) - W.Zajdel, Z.Zivkovic,
and B.J.A. Kröse.
Keeping track of humans: have I seen this person before?.
In Proc. of Int. Conference on Robotics and Automation (ICRA),
pages 2093-2098, 2005.
(Gzipped PostScript, 6 pages, 1179 Kbytes)
(PDF, 1517 Kbytes) - Z.Zivkovic
and B.J.A. Kröse.
On matching interest regions using local descriptors – can an information
theoretic approach help?.
In Proc. British Machine Vision Conference, pages 50-58, 2005.
(PDF, 241 Kbytes) - Z.Zivkovic,
B.Bakker, and B.J.A. Kröse.Hierarchical map building using visual landmarks and geometric
constraints.
In Proc. IEEE/RSJ International Conference on Intelligent Robots and
Systems, pages 7-12, 2005.
(PDF, 550 Kbytes)
2004
- B.Kröse,
R.Bunschoten, S.ten Hagen, B.Terwijn, and N.Vlassis.
Household robots look and learn.
IEEE Robotics and Automation Magazine, 11(4):45-52, December
2004. - B.J.A. Kröse,
N.Vlassis, and W.Zajdel.
Bayesian methods for tracking and localization.
In Proc. of Philips Symposium On Intelligent Algorithms, (SOIA),
pages 27-38, 2004.
(Gzipped PostScript, 12 pages, 184 Kbytes)
(PDF, 167 Kbytes) - J.M. Porta and
B.J.A. Kröse.
Appearance-based concurrent map building and localization.
In F.C.A. Groen, editor, International Conference on Intelligent
Autonomous Systems, IAS’04, pages 1022-1029. IOS Press, March 2004.
ISBN 1-58603-414-6. - J.M. Porta and
B.J.A. Kröse.
Appearance-based concurrent map building and localization using a
multi-hypotheses tracker..
In Proc.IEEE/RSJ International Conference on Intelligent Robots and
Systems, pages 3424-3429, Sendai, Japan, 2004. IEEE Press.
(PDF, 156 Kbytes) - Martijn Reuvers,
Richard Kleihorst, Harry Broers, and Ben Kröse.
A smart camera for face recognition.
In Proceedings of SPS-2004, 2004.
(PDF, 225 Kbytes) - S.H.G. ten
Hagen and B.J.A. Kröse.
Learning to understand tasks for mobile robots.
In Proc. of the IEEE Int. Conf. on System, Man and Cybernetics,
The Hague, The Netherlands, October 2004.
To Appear.
(Gzipped PostScript, 6 pages, 467 Kbytes)
(PDF, 448 Kbytes) - J.M. Terwijn,
B.Porta and B.J.A. Kröse.
A particle filter to estimate non-markovian states.
In F.C.A. Groen, editor, International Conference on Intelligent
Autonomous Systems, IAS’04, pages 1062-1069. IOS Press, March 2004.
ISBN 1-58603-414-6. - W.Zajdel, A.T. Cemgil,
and B.Kröse.
Online multicamera tracking with a switching state-space model.
In Proc. of IEEE International Conference on Pattern Recognition
(ICPR), pages IV:339-343, Cambridge, UK, 2004.
(PDF, 175 Kbytes) - Z.Zivkovic
and B.Kröse.
An EM-like algorithm for color-histogram-based object tracking.
In IEEE Conference on Computer Vision and Pattern Recognition,
June 2004.
To appear.
(PDF, 372 Kbytes) - Z.Zivkovic
and B.Kröse.
A probabilistic model for an EM-like object tracking algorithm using
color-histograms.
In 6th IEEE International Workshop on Performance Evaluation of Tracking
and Surveillance (in connection with ECCV2004), May 2004.
To appear.
(PDF, 171 Kbytes)
2003
- R.Bunschoten and B.Kröse.
Robust scene reconstruction from an omnidirectional vision system.
IEEE Transactions on Robotics and Automation, 19(2):351-357,
2003.
(PDF, 886 Kbytes) - >Roland
Bunschoten and Ben Kröse.
Visual odometry from an omnidirectional vision system.
In Proceedings of the International Conference on Robotics and Automation
ICRA’03, pages 577-583, Taipei, Taiwan, 2003.
ISBN 0-7803-7737-0. - B.J.A. Kröse,
J.M. Porta, K.Crucq, A.J.N. van Breemen, M.Nuttin, and E.Demeester.
Lino, the user-interface robot.
In E.Aarts, R.Collier, E.van Loenen, and B.D. Ruyter, editors,
Proceedings of the First European Symposium on Ambience Intelligence
(EUSAI), pages 264-274, Eindhoven, The Netherlands, November 2003.
Springer.
ISBN 3-540-20418-0.
(PDF, 7004 Kbytes) - J.M. Porta and
B.J.A. Kröse.
Vision-based localization for mobile platforms.
In E.Aarts, R.Collier, E.van Loenen, and B.D. Ruyter, editors,
Proceedings of the First European Symposium on Ambience Intelligence
(EUSAI), pages 208-219, Eindhoven, The Netherlands, November 2003.
Springer.
ISBN 3-540-20418-0.
(PDF, 2051 Kbytes) - JosepM. Porta
and Ben Kröse.
On the use of disparity maps for robust robot localization under different
illumination conditions.
In A.T. deAlmeida and U.Nunes, editors, Proceedings of the 11th
International Conference on Advanced Robotics, ICAR’03, pages
124-129, Coimbra, Portugal, June 30-July 3 2003. IEEE Press.
ISBN 972-96889-9-0.
(Gzipped PostScript, 6 pages, 345 Kbytes)
(PDF, 988 Kbytes) - J.M. Porta, J.J.
Verbeek, and B.J.A. Kröse.
Enhancing appearance-based robot localization using sparse disparity
maps.
In C.S.G. Lee and J.Yuh, editors, Proc.IEEE/RSJ International
Conference on Intelligent Robots and Systems, pages 980-985, Las
Vegas, USA, October 2003. IEEE Press.
ISBN 0-7803-7861-X.
(PDF, 253 Kbytes) - JosepM. Porta, Bas
Terwijn, and Ben Kröse.
Efficient entropy-based action selection for appearance-based robot
localization.
In Proceedings of the International Conference on Robotics and Automation
ICRA’03, pages 2842-2847, Taipei, Taiwan, 2003.
ISBN 0-7803-7737-0.
(PDF, 114 Kbytes) - Stephan ten
Hagen and Ben Kröse.
Neural Q-learning.
Neural Computing & Applications, 12(2):81-88, November 2003.
ISSN: 0941-0643 (Paper) 1433-3058 (Online).
(Gzipped PostScript, 13 pages, 163 Kbytes)
(PDF, 248 Kbytes) - S.H.G. ten
Hagen and B.J.A. Kröse.
Learning to navigate using a lazy map.
In A.T. deAlmeida and U.Nunes, editors, Proceedings of the 11th
International Conference on Advanced Robotics, ICAR’03, pages
299-304, Coimbra, Portugal, June 30-July 3 2003.
(Gzipped PostScript, 6 pages, 157 Kbytes)
(PDF, 119 Kbytes) - A.J.N van
Breemen, K.Crucq, B.J.A Kröse, M.Nuttin, J.M. Porta, and E.Demeester.A user-interface robot for ambient intelligent environments.
In P.Fiorini, editor, Proceedings of the 1st International Workshop on
Advances in Service Robotics, ASER’03, pages 132-139, Bardolino,
Italy, 2003. Fraunhofer IRB Verlag.
(Gzipped PostScript, 8 pages, 5288 Kbytes)
(PDF, 3287 Kbytes) - J.J. Verbeek,
N.Vlassis, and B.J.A. Kröse.
Efficient greedy learning of Gaussian mixture models.
Neural Computation, 15(2):469-485, 2003.
(PDF, 505 Kbytes) - J.J. Verbeek,
N.Vlassis, and B.J.A. Kröse.
Non-linear feature extraction by the coordination of mixture models.
In S.Vassiliadis, L.M.J. Florack, J.W.J. Heijnsdijk, and A.vander Steen,
editors, Proc. 8th Ann. Conf. of the Advanced School for Computing and
Imaging (ASCI), pages 287-293, Heijen, The Netherlands, June 2003.
ASCI.
(PDF, 1331 Kbytes) - J.J. Verbeek,
N.Vlassis, and B.J.A. Kröse.
Self-organization by optimizing free-energy.
In M.Verleysen, editor, Proc. of European Symposium on Artificial Neural
Networks, pages 125-130. D-side, Evere, Belgium, 2003.
(PDF, 184 Kbytes) - A.H.G. Versluis,
B.J.F Driessen, J.A. van Woerden, and B.J.A. Kröse.
Enhancing the usability of the MANUS manipulator by using visual
servoing.
In Proceedings of International Conference on Rehabilitation Robotics,
ICORR 2003, pages 43-46, KAIST, Daejon, South Korea, 22-25 April
2003. - Wojciech
Zajdel and Ben Kröse.
Approximate learning and inference for tracking with non-overlapping
cameras.
In M.H. Hamza, editor, Proc. of the IASTED Int. Conf. on Artificial
Intelligence and Applications, pages 70-75. ACTA Press, Calgary,
Canada, 2003.
(PDF, 125 Kbytes) - Wojciech
Zajdel and Ben Kröse.
Gaussian mixture model for multi-sensor tracking.
In T.Heskes, P.Lucas, L.Vuurpijl, and W.Wiegerinck, editors,
Proceedings of the 15th Dutch-Belgian Artificial Intelligence
Conference, BNAIC’03, pages 371-378, Nijmegen, The Netherlands,
October 2003. Elsevier.
(PDF, 200 Kbytes)
2002
- R.Bunschoten and B.Kröse.
3-D scene reconstruction from cylindrical panoramic images.
Robotics and Autonomous Systems (special issue), 41(2/3):111-118,
November 2002.
(PDF, 225 Kbytes) - B.J.A. Kröse,
N.Vlassis, and R.Bunschoten.
Omnidirectional vision for appearance-based robot localization.
In G.D. Hagar, H.I. Cristensen, H.Bunke, and R.Klein, editors, Sensor
Based Intelligent Robots: International Workshop, Dagstuhl Castle, Germany,
October 2000, Selected Revised Papers, number 2238 in Lecture Notes in
Computer Science, pages 39-50. Springer, 2002.
(PDF, 730 Kbytes) - S.H.G. ten
Hagen and B.J.A. Kröse.
Towards global consistent pose estimation from images.
In R.Siegwart and C.Laugier, editors, Proc.IEEE/RSJ International
Conference on Intelligent Robots and Systems, pages 466-471,
Lausanne,Switzerland, September 2002. Omnipress.
(Gzipped PostScript, 6 pages, 317 Kbytes)
(PDF, 176 Kbytes) - S.H.G. ten
Hagen and B.J.A. Kröse.
Trajectory reconstruction for self-localization and map building.
In W.R. Hamel and A.A. Maciejewski, editors, Proc. IEEE Int. Conf. on
Robotics and Automation, pages 1796-1801, Washington D.C., USA, May
2002. Omnipress.
(Gzipped PostScript, 6 pages, 168 Kbytes)
(PDF, 143 Kbytes) - J.J. Verbeek,
N.Vlassis, and B.Kröse.
A k-segments algorithm for finding principal curves.
Pattern Recognition Letters, 23(8):1009-1017, 2002.
(Gzipped PostScript, 12 pages, 97 Kbytes)
(PDF, 149 Kbytes) - J.J. Verbeek,
N.Vlassis, and B.J.A. Kröse.
Coordinating Principal Component Analyzers.
In J.R. Dorronsoro, editor, Proceedings of International Conference on
Artificial Neural Networks, Lecture Notes in Computer Science,
pages 914-919, Madrid, Spain, August 2002. Springer.
(PDF, 251 Kbytes) - J.J. Verbeek,
N.Vlassis, and B.J.A. Kröse.
Fast non-linear dimensionality reduction using topology preserving
networks.
In M.Verleysen, editor, Proc. of European Symposium on Artificial Neural
Networks, pages 193-198. D-side, Evere, Belgium, 2002.
(PDF, 167 Kbytes) - J.J. Verbeek,
N.Vlassis, and B.J.A. Kröse.
Locally linear generative topographic mapping.
In M.Wiering, editor, Benelearn 2002: Proceedings of the Twelfth
Belgian-Dutch Conference on Machine Learning, Utrecht, The
Netherlands, December 2002.
(PDF, 158 Kbytes) - N.Vlassis,
Y.Motomura, and B.Kröse.
Supervised dimension reduction of intrinsically low-dimensional data.
Neural Computation, 14(1):191-215, January 2002.
(Gzipped PostScript, 22 pages, 331 Kbytes) - N.Vlassis,
B.Terwijn, and B.Kröse.
Auxiliary particle filter robot localization from high-dimensional sensor
observations.
In W.R. Hamel and A.A. Maciejewski, editors, Proc. IEEE Int. Conf. on
Robotics and Automation, pages 7-12, Washington D.C., USA, May 2002.
Omnipress.
(Gzipped PostScript, 6 pages, 218 Kbytes)
(PDF, 178 Kbytes) - W.Zajdel and
B.Kröse.
Bayesian network for multiple hypothesis tracking.
In H.Blockeel and M.Denecker, editors, Proceedings of the 14th
Dutch-Belgian Artificial Intelligence Conference, BNAIC’02, pages
379-386, Leuven, Belgium, October 2002.
(Gzipped PostScript, 8 pages, 52 Kbytes)
(PDF, 74 Kbytes)
2001
H. Asoh, N. Vlassis, Y. Motomura, F. Asano,
I. Hara, S. Hayamizu, K. Itou, T. Kurita, T. Matsui, R. Bunschoten, and Ben
Kröse. Jijo-2: An office robot that communicates and learns.
IEEE Intelligent Systems, 16(5):46-55, Sep/Oct 2001. (PDF,
1107 Kbytes)
R. Bunschoten and B. Kröse. 3-d
scene reconstruction from cylindrical panoramic images. In Proceedings
of the 9th International Symposium on Intelligent Robotic Systems (SIRS’2001),
pages 199-205, LAAS-CNRS, Toulouse, France, July 2001. (PDF,
220 Kbytes)
R. Bunschoten and B. Kröse. 3-d
scene reconstruction from multiple panoramic images. In Proceedings
of 7th annual conference of the Advanced School for Computing and Imaging
(ASCI 2001), pages 49-54, Heijen, The Netherlands, May 2001. ASCI. (PDF,
141 Kbytes)
R. Bunschoten and B. Kröse. Range
estimation from a pair of omnidirectional images. In Proc. IEEE Int.
Conf. on Robotics and Automation, pages 1174-1179, Seoul, Korea, May 2001.
F.C.A. Groen, W. van der Hoek, P. Jonker,
B. Kröse, H. Spoelder, and S. Stramigioli. Robocup european championship:
Report on the Amsterdam 2000 event. Robotics and Autonomous Systems,
36(2-3):59-66, August 2001.
B.J.A. Kröse, N. Vlassis, R. Bunschoten,
and Y. Motomura. A probabilistic model for appearance-based robot localization.
Image and Vision Computing, 19(6):381-391, April 2001. (Gzipped
PostScript, 17 pages, 604 Kbytes) (PDF,
1074 Kbytes)
Stephan ten Hagen. Continuous State
Space Q-Learning for Control of Nonlinear Systems. PhD thesis, Computer
Science Institute, University of Amsterdam, The Netherlands, February 2001.
(Gzipped
PostScript, 128 pages, 1059 Kbytes) (PDF,
1729 Kbytes)
J.J. Verbeek, N. Vlassis, and B. Kröse.
Efficient greedy learning of Gaussian mixtures. In Proc.
13th Belgian-Dutch Conf. on Artificial Intelligence, Amsterdam, The Netherlands,
October 2001.
J.J. Verbeek, N. Vlassis, and B. Kröse.
Greedy Gaussian mixture learning for texture segmentation.
In A. Leonardis and H. Bischof, editors, ICANN’01, Workshop on Kernel
and Subspace Methods for Computer Vision, pages 37-46, Vienna, Austria,
August 2001.
J.J. Verbeek, N. Vlassis, and B. Kröse.
A soft k-segments algorithm for principal curves. In Proc.
Int. Conf. on Artificial Neural Networks, pages 450-456, Vienna, Austria,
August 2001. (Gzipped
PostScript, 7 pages, 80 Kbytes)
N. Vlassis, R. Bunschoten, and B. Kröse.
Learning task-relevant features from robot data. In Proc.
IEEE Int. Conf. on Robotics and Automation, pages 499-504, Seoul, Korea,
May 2001. (Gzipped
PostScript, 6 pages, 200 Kbytes)
N. Vlassis, Y. Motomura, and Ben Kröse.
Supervised dimension reduction of intrinsically low-dimensional
data. Neural Computation, 14:1-25, 2001. To appear. (Gzipped
PostScript, 22 pages, 331 Kbytes)
2000
Kröse,B.J.A. , R. van den Bogaard and N. Hietbrink (2000)“Programming robots is fun: Robocup Jr. 2000”
van den Bosch and Weigand (ed.), Proceedings of the Twelfth Belgium-Netherlands
AI Conference BNAIC’00, pp 29-36, 2000 , pp , Gzipped
postscript 281Kb
PDF 308Kb
Kröse,B.J.A. (2000)“An efficient representation of the robot’s
environment” Proc. Intelligent Autonomous Systems 6, Venice, Italy,
IOS press, ISBN 90 51993986, pp 589-595, Gzipped postscript 110Kb PDF
362Kb
Kröse,B.J.A., Vlassis, N., Bunschoten,
R and Motomura, Y. (2000)“Feature selection for appearance-based robot
localization” Proceedings 2000 RWC Symposium, RWC Technical Report
(TR-99-002) Gzipped postscript 334Kb
Kröse,B.J.A. A. Dev and F.C.A. Groen (2000)“ Heading Direction of a Mobile Robot from
the Optical~Flow” Image and Vision Computing Journal, vol.18 nr. 5,
pp. 415-424 Gzipped postscript 1.9Mb
Portegies Zwart, Joris and Kröse, Ben(2000)“ Constrained Mixture Modeling of Intrinsically
Low-Dimensional Distributions,” 15th International Conference on Pattern
Recognition, Volume 2: Pattern Recognition and Neural Networks, (Sanfeliu,
A. and Villanueva, J.J. and Vanrell, M. and Alquézar, R. and Jain,
A.K. and Kittler, J., ed.), IEEE,pp. 610-613 Postscript available from
Joris’
web page
Wiering, M., Kröse,B.J.A. and F.C.A. Groen (2000)“Learning in Multi-Agent Systems” SubmittedGzipped
postscript 134Kb
Vlassis, N., Motomura, Y. and Kröse,B.J.A. (2000)“Supervised linear feature extraction for mobile
robot localization” Proceedings of the IEEE International Conference
on Robotics and Automation Gzipped postscript 239Kb
1999
Kröse,B.J.A., Bunschoten,R., N. Vlassis,
Y. Motomura (1999)“ Appearance based robot localization” IJCAI-99
Workshop Adaptive Spatial Representations of Dynamic Environments, Stockholm,
Sweden Gzipped postscript 0.5Mb
Kröse,B.J.A. and Bunschoten,R. (1999)“ Probabilistic localization by appearance
models and active vision” Proceedings of the IEEE International Conference
on Robotics and Automation, pp 2255-2260 Gzipped postscript
file: 300kb
Y. Motomura, N. Vlassis, B. Kröse (1999)“ Probabilistic Robot Localization and Situated
Feature Focusing” Proc. SMC’99, IEEE Int. Conf. on Systems, Man, and
Cybernetics, Tokyo, Japan, Oct 1999.
Y. Motomura, N. Vlassis, B. Kröse (1999)“ Environment Modeling via PCA Regression and
Situated Feature Focusing” Special Interest Group on Mathematical modeling
and Problem Solving of Information Processing Society of JAPAN, May 1999.
N. Vlassis, Y. Motomura, B. Kröse (1999)“ An information-theoretic localization criterion
for robot map building” Proc. ACAI’99, Int. Conf. on Machine Learning
and Applications Chania, Greece, Jul 1999
N. Vlassis, B. Kröse (1999)“ Mixture Conditional Density Estimation with
the EM Algorithm” Proc. ICANN’99, 9th Int. Conf. on Artificial Neural
Networks, Edinburgh, Scotland, Sep 1999.
N. Vlassis, B. Kröse (1999)“ Robot Environment Modeling via Principal
Component Regression” Proc. IROS’99, IEEE/RSJ Int. Conf. on Intelligent
Robots and Systems, Kyongju, Korea, Oct 1999.
1998
Corten, E. and
Dorst, L. and Krose B. (1998)“ The design of OASIS: Open Architecture for
Simulations with Intelligent Systems,” Proc ESM’98, Manchester June
16-19 1998, SCS Publication, ISBN 1- 56555-148-6, (Zobel, R. and Moeller,
D, ed.), pp. 455-459
Corten, E. and Dorst, L. and Krose,
B. (1998)“ OASIS: Open Architecture for Simulations
with Intelligent Systems,” Proc IAS-5, Sapporo June 2-4 1998, IOS press,
ISBN 90 51993986, (Kakazu, Y. and Wada, M. and Sato, T., ed.), pp. 6-12
Dev, A. and Kröse, B.J.A. and Groen,
F.C.A. (1998)“ Where are you driving to? Heading direction
for a Mobile Robot from Optic Flow ,” Proceedings of the IEEE International
Conference on Robotics and Automation, pp. 1578-1583- Postscript file: click
here to get 396 Kb - Abstract: If a camera moves on a
straight line, the optic flow field is a diverging vector field, of which
the singularity is called “focus of expansion”. An object which is seen in
this FOE is located on the future path of the camera. If the camera is also
rotating, the future path is no longer a point in the image domain, but a
line. All objects which are on the future path (and thus will cause collisions)
are projected on this line. However, not necessary the reverse is true: not
all points on the line are collision points. In this paper we derive how
the optic flow can be used to compute which points in the image are projections
of collision points.
Dev, A. and Krose,
B.J.A and Groen, F.C.A. (1998)“ Predicting the future path from optic flow.,”
Proc. 1998 RWC Symposium, Tokyo June 9-10 1998, RWC Technical Report
TR-98001, pp. 265-270
Hagen, Stephan ten and Kröse, Ben
(1998)“ Reinforcement learning for realistic manufacturing
processes,” CONALD 98, Conference on Automated Learning and Discovery,
Carnegie Mellon University, Pittsburgh, PA,- Postscript file: click
here to get 67 Kb - Abstract: This manuscript is a submission
to the workshop “Machine Learning and Reinforcement Learning for Manufacturing”.
It introduces and positions our part in a project and motivates our approach
with respect to reinforcement learning and manufacturing processes. In an
“extended appendix” some additional information will be given about our
problem domain and preliminary results. Our main issue is that advances in
algorithms and theory should not be scaled up to bigger problems, but to
more realistic problems. Realistic in the sense that the problem is formulated
with the problems of existing manufacturing processes in mind.
Hagen, S.H.G ten
and Kröse, B.J.A. (1998)“ Pseudo-Parametric Q-Learning using Feedforward
Neural Networks,” ICANN’98, Proceedings of the International Conference
on Artificial Neural Networks, (Niklasson, L., Bodén, M. and
Ziemke, T., ed.), Springer-Verlag, pp. 449-454- Postscript file: click
here to get 62 Kb - Abstract: In this paper we focus
on Q-learning in domains with continuous state and action spaces. We discuss
how Q-learning relates to System Identification (SI) methods for Linear Quadratic
Regulation (LQR) and show how the methods compare on linear systems. We also
study the use of a feedforward network as a nonlinear function approximator
for the Q-function and introduce the the concept of Pseudo-Parametric Q-Learning
(PPQL). In the PPQL framework the feedforward network is implemented such,
that the results can be interpreted in terms of LQR conditions. Experiments
show that it performs well, but does not necessarily converge to a stable
solution. The LQR interpretation indicates the origin of that problem.
Hagen, S.H.G. ten
and Kröse, B.J.A. (October 1998)“ Linear Quadratic Regulation using Reinforcement
Learning,” Proc. of the 8th Belgian-Dutch Conf. on Machine Learning,,
(F. Verdenius and W. van den Broek, ed.), pp. 39-46- Postscript file: click
here to get 82 Kb - Abstract: In this paper we describe
a possible way to mak e reinforcement learning more applicable in the context
of industrial manufactur ing processes. We achieve this by formulating the
optimization task in the linear quadratic reg ulation framework, for which
a conventional control theoretic solution exist. By rewriting the Q-learning
approach into a linear least squares approximation p roblem, we can make a
fair comparison between the resulting approximation and th at of the conventional
system identification approach. Our experiment shows that the conventional
approach performs slightly better. Also we can show that the amount of exploration
noise, added during the generati on of data, plays a crucial role in the outcome
of both approaches.
“ Environment learning and localization in
`sensor-space’,” Proc. of the 10th Netherlands/Belgium Conf. on
Artificial Intelligen ce, pp. 229-239- Postscript file: click
here - Abstract: For navigation to a desired
state, a mobile rob ot needs some sort of global information about the environment
it is operating i n. Usually this is provided in the form of a map, giving
locations of objects and f ree space in the working space of the robot.
Such a map can be provided by the programmer or learned by the system itself.
In this paper an approach is described where the global information is not
cast in a model of the geometry of the envir onment but in a model of all
sensory data of the robot. Experimental results are presented.
1997
Dev, A. and Kröse,
B.J.A. and Groen, F.C.A. (1997)“ Confidence measures for Image Motion Estimation,”
Proceedings 1997 RWC Symposium, RWC Technical Report TR – 96001,
pp. 199-206- Postscript file: click
here to get 295 Kb - Abstract: Estimation of image motion,
also known as the optic flow, from a sequence of images is known to be difficult.
This is due to: the sensitivity of the image motion model to noise (the
derivative property), the limited observability of the image motion from
the luminance (the aperture problem), and, the non-validity of the optic
flow constraint (the assumption of intensity conservation). In this paper
we analyze measures that assign a confidence value to the estimated image
motion: the sensitivity of the model to noise, the validity of the model
and the estimated variance of the image motion. Experiments show that selection
of image motion vectors based on these measures dramatically improve the
estimates of the image motion while keeping as much image motion vectors
as possible. We conclude that the proposed estimated variance of the image
motion optimizes this trade-off.
Dev, A. and Kröse,
B.J.A. and Groen, F.C.A. (1997)“ Navigation of a mobile robot on the temporal
development of the optic flow,” Proceedings IROS’97, IEEE , pp.
558-563- Postscript file: click
here to get 450 Kb - Abstract: The robot navigation task
presented in this paper is to drive through the center of a corridor, based
on a sequence of images from an on-board camera. Our measurements of the
system state, the distance to the wall and orientation of the wall, are derived
from the optic flow. Whereas the structure of the environment is usually
computed from the spatial derivatives of the optic flow, we use the structure
contained in the temporal derivatives of the optic flow to compute the environment
structure and hence the system state. The algorithm is used to control a
`remote brain’ robot and results on the accuracy of the state estimates
are presented.
Hagen,S.H.G. ten
and Kröse, B.J.A. (1997)“ Generalizing in TD($\lambda$) learning,”
Procedings of the third Joint Conference of of Information Sciences,
Durham, NC, USA, (Wang,P.P, ed.), pp. 319-322- Postscript file: click
here to get 52 Kb - Abstract: Convergence of TD($\lambda$)
with radial base function network.
Hagen, S.H.G. ten
and Kröse, B.J.A. (October 1997)“ A Short Introduction to Reinforcement Learning,”
Proc. of the 7th Belgian-Dutch Conf. on Machine Learning, (W.
Daelemans and P. Flach and A. van den Bosch, ed.), pp. 7-12- Postscript file: click
here to get 69 Kb - Abstract: This introduction is meant
for readers with no knowledge about reinforcement learning. It presents the
basic framework and introduce the basic terminology. We hope that this will
make it easier to read other reinforcement learning literature. Pointers to
more tutorial sources will be given at the end.
Hagen, S.H.G. ten
and Kröse, B.J.A. (October 1997)“ Towards a Reactive Critic,” Proc. of
the 7th Belgian-Dutch Conf. on Machine Learning,, (W. Daelemans and
P. Flach and A. van den Bosch, ed.), pp. 49-58- Postscript file: click
here to get 86 Kb - Abstract: In this paper we propose
a reactive critic, that is able to respond to changing situations. We will
explain why this is useful in reinforcement learning, where the critic is
used to improve the control strategy. We take a problem for which we can derive
the solution analytically. This enables us to investigate the relation between
the parameters and the resulting approximations of the critic. We will also
demonstrate how the reactive critic reponds to changing situations.
Kröse, B.J.A.
and Dam, J.W.M. van (1997)“ Neural Vehicles,” Neural Systems for
Robotics, (Omid Omidvar and P.P. van der Smagt, ed.), Academic Press,
pp. 271-296- Postscript file: click
here to get 76 Kb - Abstract: A review is given on the
use of neural networks for mobile robots and autonomous vehicles. We focus
on neural methods for navigation, making a distinction between sensor-based
`reactive’ navigation and planned navigation methods.
Kröse,
B.J.A. and Dev, A. and Benavent, X. and Groen, F.C.A. (1997)“ Visual Navigation on Optic Flow,” Proceedings
1997 RWC Symposium, RWC Technical Report TR – 96001, pp. 89-95- Postscript file: click
here to get 450 Kb - Abstract: We describe a remote brain
mobile robot based on off-the-shelve components. The navigation task presented
in this paper is to drive through the center of a corridor, based on a sequence
of images from an on-board camera. A simple control scheme is presented.
Our measurements of the system state, the distance to the wall and orientation
of the wall, are derived from the optic flow. Whereas this structure of
the environment is usually computed from the spatial structure of the optic
flow, i.e. the spatial derivatives of the optic flow, for robustness reasons
we use the structure contained in the temporal derivatives of the optic flow
to compute the environment structure and hence the system state.
Stomp, P. and
Wortel, M.P. and Kröse, B.J.A. and Stuurman, F. (1997)“ Neural Networks for the analysis of flight-booking
profiles,” Neural Networks, Best Practice in Europe, pp. 206-209- Postscript file: click
here to get 79 Kb - Abstract: Because of the huge amount
of data which is available nowadays, the current manager or decision maker
needs intelligent data analysis tools. Those tools must be able to visualize
the data, to cluster the data or to make predictions based on the data.
In this paper we describe how neural networks have been used for the analysis
of flight booking profiles at KLM Royal Dutch Airlines. - Note: Presented at “SNN’97, Europe’s
best neural networks practice’, Amsterdam, 22 May 1997.
Yakali, H.H. and
Kröse, B.J.A. and Dorst, L. (1997)“ Vision-Based 6-dof Robot End-effector Positioning
Using Neural Networks,” Proceedings 1997 RWC Symposium, RWC Technical
Report TR – 96001, pp. 191-198- Postscript file: click
here to get 100 Kb - Abstract: We present a method for
vision-based model-free positioning of a 6-degree-of-freedom robot end-effector
with respect to a planar target object using a feed-forward neural network.
We investigate the necessary conditions under which a neural network can
learn the mapping from feature domain to actuator domain. After satisfying
these conditions, a neural network is used to learn this mapping. We consider
only planar objects as target and their binary images. Moment-based image
descriptors are used to represent the image in the feature domain. Simulation
results are also presented.
Yakali, H.H. and
Dorst, L. and Kröse, B.J.A. (1997)“ Pose characterization by independent moment-based
image features of planar objects,” RWCP Novel Functions: SNN Laboratory,
Faculty of Mathematics and Computer Science, University of Amsterdam- Postscript file: click
here to get 65 Kb - Abstract: For a unique characterization
of the relative position between a 2-D planar object (target) and a camera,
the following two mappings have to be single-valued: mapping from the relative
position to the image plane and from the image plane to the feature domain.
We consider only white planar targets located in a black background and
designed a special target which allows a unique perspective from any relative
position. From the image of this target, the 6 relative position and orientation
parameters can be characterized by means of 6 independent features. We use
moments to extract these features and choose the proper representation to
make them independent.
1996
Dam, J.W.M. van
and Kröse, B.J.A. and Groen, F.C.A. (Dec. 8-11, 1996)“ Adaptive Sensor Models,” 1996 IEEE/SICE/RSJ
Intr. Conf. on Multisensor Fusion and Integration for Intelligent Systems,
Washington D.C, pp. 705-712- Postscript file: click
here to get 143 Kb - Keywords: learning sensor models,
neural networks, sensor fusion, occupancy grids - Abstract: In this paper we consider
the conversion of sensor data to a probabilistic representation of the environment
(occupancy grid). We introduce a neural network which learns these conversions.
The conversion of sensor data remains adaptive to changes in either the sensor
or its environment. To place this in a broader context, we describe the
architecture of our Sensor Data Fusion system in which these conversions
are applied. We also introduce the PDOP: a rule for fusing occupancy grids
in this system.
Dam, J.W.M. van
and Kröse, B.J.A. and Groen, F.C.A. (1996)“ Neural Network Applications in Sensor Fusion
for an Autonomous Mobile Robot,” Reasoning with Uncertainty in Robotics,
(Dorst, L. and Lambalgen, M. van and Voorbraak, F., ed.), Springer, pp.
263-277- Postscript file: click
here to get 112 Kb - Keywords: learning sensor models,
neural networks, sensor fusion, occupancy grids - Abstract: Key issue in the design
of a sensor data fusion system is the conversion of sensor measurements to
an internal representation. In this article, we identify the problems with
traditional conversion methods and we introduce a neural network which learns
how to convert such measurements.
Schram, G. and
Kröse, B.J.A. and Babuska, R. and Krijgsman, A.J. (1996)“ Neurocontrol by Reinforcement Learning,”
Journal a (Journal on Automatic Control), Special Issue on Neurocontrol
37 (3), pp. 59-64- Postscript file: click
here to get 103 Kb - Abstract: Reinforcement learning
(RL) is a model-free tuning and adaptation method for control of dynamic systems.
Contrary to supervised learning, based usually on gradient descent techniques,
RL does not require any model or sensitivity function of the process. Hence,
RL can be applied to systems that are poorly understood, uncertain, nonlinear
or for other reasons untractable with conventional methods. In reinforcement
learning, the overall controller performance is evaluated by a scalar measure,
called reinforcement. Depending on the type of the control task, reinforcement
may represent an evaluation of the most recent control action or, more often,
of an entire sequence of past control moves. In the latter case, the RL system
learns how to predict the outcome of each individual control action. This
prediction is then used to adjust the parameters of the controller. The mathematical
background of RL is closely related to optimal control and dynamic programming.
This paper gives a comprehensive overview of the RL methods and presents
an application to the attitude control of a satellite. Some well known applications
from the literature are reviewed as well.
Schram, G. and
Linden, F.X. van der and Kröse, B.J.A. and Groen, F.C.A. (1996)“ Visual Tracking of Moving Objects using a
Neural Network Controller,” Robotics and Autonomous Systems, pp.
293-299- Postscript file: click
here to get 114 Kb - Abstract: For a target tracking
task, the hand-held camera of the anthropomorphic OSCAR-robot manipulator
has to track an object which moves arbitrarily on a table. The desired camera-joint
mapping is approximated by a feedforward neural network. Through the use
of time derivatives of the position of the object and of the manipulator,
the controller can inherently predict the next position of the moving target
object. In this paper several `anticipative’ controllers are described, and
successfully applied to track a moving object.
1995
Dev, A. and Kröse,
B.J.A. and Groen, F.C.A. (Sep. 1995)“ Learning Structure from Motion: How to Represent
Two-Valued Functions,” Proceedings of the 3rd SNN Symposium on Neural
Networks, (Kappen, B. and Gielen, S., ed.), Foundation for Neural Networks,
Nijmegen, pp. 121-128- Postscript file: click
here to get 75 Kb - Abstract: The reconstruction of
the observer motion and environment structure from the optic flow is considered
for the case where the camera mapping is unknown. This mapping has therefore
to be estimated from a given set of examples, the training set. Since this
mapping is not a function in the sense of a $m$ to $ map , standard neural
networks are unable to learn this mapping. We propose to represent these
mappings from $\calX\rightarrow\calY$ as a manifold in the product space
$\calX\times\calY$. We approximate a parameterization of the manifold from
a given set of data points by using an auto association network with a \em
bottleneck layer. A gradient descend algorithm is used on the trained network
to find the approximation of the egomotion and scene structure for a given
set of optic flow vectors.
Dev, A. and Kröse,
B.J.A. and Groen, F.C.A. (1995)“ Recovering Patch Parameters from The Optic
Flow using Auto Associative Neural Networks,” Proceedings of the 1995
International Conference on Intelligent Autonomous Systems, pp. 213-216- Postscript file: click
here to get 72 Kb - Keywords: Structure from Motion,
time-to-contact, neural networks, Multi valued mappings - Abstract: The reconstruction of
the observer motion and environment structure from optic flow is considered
for the case where the camera mapping is unknown. This mapping has therefore
to be estimated from a given set of examples, the training set. Since this
mapping is not a function in the sense of a many to one mapping, standard
neural networks are unable to learn this mapping. We propose to represent
these mappings as a manifold in the product space. We approximate a parameterization
of the manifold from a given set of data points by using an auto associative
neural network with a bottleneck layer. A gradient descent algorithm is
used on the parameterization of the learned manifold to find the approximation
of the ego-motion for a given set of optic flow vectors.
“ Learning from delayed rewards,” Robotics
and Autonomous Systems 15 , pp. 233-235- Postscript file: click
here to get 31 Kb - Note: Editorial paper
Smagt,
P.P. van der and Groen, F.C.A. and Kröse, B.J.A. (1995)“ A Monocular Robot Arm can be Neurally Positioned,”
Proceedings of the 1995 International Conference on Intelligent
Autonomous Systems, (Rembold, U. and Dillmann, R. and Hertzberger, L.O.
and Kanade, T., ed.), IOS Press, pp. 123-130- Postscript file: click
here to get 101 Kb - Keywords: time-to-contact, neural
networks, hand-eye coordination, robot arm control, monocular vision - Abstract: In this paper we introduce
a method for model-free monocular visual guidance of a robot arm. The robot
arm, with a single camera in its end-effector, should be positioned above
a visually observed target. It is shown that a trajectory can be planned
in visual space by using components of the optic flow, and this trajectory
can be translated to joint torques by a self-learning neural network. No
model of the robot, camera, or environment is used. The method reaches a
high grasping accuracy after only a few trials.
Smagt, P.P. van der
and Kröse, B.J.A. (1995)“ Using Many-Particle Decomposition to get
a Parallel Self-Organising Map,” Proceedings of the 1995 Conference
on Computer Science in the Netherlands, (Vliet, J. van , ed.), pp. 241-249- Postscript file: click
here to get 97 Kb - Abstract: We propose a method for
decreasing the computational complexity of self-organising maps. The method
uses a partitioning of the neurons into disjoint clusters. Teaching of the
neurons occurs on a cluster-basis instead of on a neuron-basis. For teaching
an N-neuron network with N’ samples, the computational complexity decreases
from O(NN’) to O(N log N’). Furthermore, we introduce a measure for the
amount of order in a self-organising map, and show that the introduced algorithm
behaves as well as the original algorithm.
Vy\vsniauskas,
V. and Groen, F.C.A. and Kröse, B.J.A. (1995)“ Orthogonal incremental learning of a feedforward
network,” Proceedings of the International Conference on Artificial
Neural Networks, Paris, (Fogelman-Soulie and Gallinari, ed.), pp. 311-316- Postscript file: click
here to get 52 Kb - Abstract: Orthogonal incremental
learning (OIL) is a new approach of incremental training for a feedforward
network with a single hidden layer. OIL is based on the idea to describe the
output weights (but not the hidden nodes) as a set of orthogonal basis functions.
Hidden nodes are treated just as the orthogonal representation of the network
in the output weights domain. We showed that the network training can be
performed incrementally, one node at time, and there is no need to use an
additional constraint to support a consistent optimization among the hidden
nodes. An advantage of OIL over existing algorithms is extremely fast learning.
This approach can be also easily extended to build-up incrementally an arbitrary
function as a linear composition of adjustable functions which are not necessarily
orthogonal. We tested this approach on a standard “two-spirals” benchmark
problem to build incrementally a feedforward network with a single layer
of Gaussian units.
Dam, J.W.M.
van and Kröse, B.J.A. and Groen, F.C.A. (May 1994)“ Optimising local Hebbian learning: use the
$\delta$-rule,” Artificial Neural Networks, (Marinaro, M. and Morasso,
P.G. , ed.), Springer-Verlag, pp. 631-634- Postscript file: click
here to get 47 Kb
Dam, J.W.M. van
and Kröse, B.J.A. and Groen, F.C.A. (May 1994)“ CNN: a neural architecture that learns multiple
transformations of spatial representations,” Artificial Neural Networks,
(Marinaro, M. and Morasso, P.G., ed.), Springer-Verlag, pp. 1420-1423- Postscript file: click
here to get 42 Kb
Dam, J.W.M. van
and Kröse, B.J.A. and Groen, F.C.A. (Oct. 1994)“ Transforming the ego-centered internal representation
of an Autonomous robot with the Cascaded Neural Network,” Multisensor
fusion and integration for intelligent systems, (Luo, R.C., ed.), IEEE,
Piscataway, NJ, pp. 667-674- Postscript file: click
here to get 88 Kb
Dev, A. and
Kröse, B.J.A. and Dorst, L. and Groen, F.C.A. (1994)“ Observer Curve and Object Detection from
the Optic Flow,” Proceedings of the SPIE on Intelligent Robots and Computer
Vision XIII, pp. 38-49- Postscript file: click
here to get 110 Kb - Keywords: Structure from Motion,
time-to-contact, Navigation, Mobile Robots, Curvature scaled depth - Abstract: The robot is equipped
with monocular vision to sense its environment. Motion of the robot results
in motion of the environment in the sensory domain. The optic flow equals
the projection of the environment motion on the image plane. We show that
under a continuity assumption, the collision points can be computed from the
optic flow without deriving a model of the environment. We will mainly consider
a mobile robot. We derive the collision points by introducing an invariant,
the curvature scaled depth. This invariant couples the rotational velocity
of the robot to its translational velocity and is closely related to the
curvature of the mobile robot’s path. We show that the spatial derivatives
of the curvature scaled depth give the object surface orientation.
Dev, A. and
Kröse, B.J.A., Dorst, L. and Groen, F.C.A. (Jul. 1994)“ Observer Curve and Obstacle Detection from
Optic Flow,” TR. CS-94-11, Dept. of Comp. Sys, University of Amsterdam- Postscript file: click
here to get 140 Kb
Kröse,
B.J.A. and Eecen, M. (1994)“ Self-learning maps for path planning in sensor
space,” ICANN’94, Proceedings of the International Conference on Artificial
Neural Networks, (Marinaro, M. and Morasso, P.G., ed.), Springer-Verlag,
pp. 1303-1306
Kröse, B.J.A. and Eecen, M. (1994)“ A self-organizing representation of sensor
space for mobile robot navigation,” Proceedings of the IEEE/RSJ/GI International
Conference on Intelligent Robots and Systems, IEEE, pp. 9-14- Postscript file: click
here to get 136 Kb - Keywords: mobile robot navigation,
sensor-based planning, environment modelling, neural network techniques - Abstract: The paper describes a
sensor based navigation scheme which makes use of a global representation
of the environment by means of a self-organizing map or Kohonen network. In
contrast to existing methods for self-organizing environment representation,
this discrete map is not represented in the world domain or in the configuration
space of the vehicle, but in the sensor domain. The map is built by exploration.
A conventional path planning technique now gives a path from current state
to a desired state in the sensor domain, which can be followed using sensor
based control. Collisions with obstacles are detected and used in the path
planning. Results from a simulation show that the learned representation
gives correct paths from an arbitrary starting point to an arbitrary end
point.
Kröse, B.J.A.
and Smagt, P.P. van der (1994)An Introduction to Neural Networks, University
of Amsterdam, Amsterdam, The Netherlands- Postscript file: click
here to get 438 Kb - Published as: lecture book
Schram, G. and
Karsten, L. and Kröse, B.J.A. and Groen, F.C.A. (1994)“ Optimal Attitude Control of Satellites by
Artificial Neural Networks: a Pilot Study,” Preprints of IFAC Symposium
on Artificial Intelligence in Real-Time Control (AIRTC94), (Crespo, A.
, ed.), Universidad Politechnica de Valencia, Servicio de Publicaciones,
pp. 185-190- Postscript file: click
here to get 100 Kb - Abstract: A pilot study is described
on the practical application of artificial neural networks. The limit cycle
of the attitude control of a satellite is selected as the test case. One of
the sources of the limit cycle is a position dependent error in the observed
attitude. A Reinforcement Learning method is selected, which is able to
adapt a controller such that a cost function is optimised. An estimate of
the cost function is learned by a neural critic. In our approach, the estimated
cost function is directly represented as a function of the parameters of
a linear controller. The critic is implemented as a CMAC network. Results
from simulations show that the method is able to find optimal parameters
without unstable behaviour. In particular in the case of large discontinuities
in the attitude measurements, the method shows a clear improvement compared
to the conventional approach: the RMS attitude error decreases approximately
30 procent.
Schram, G. and
Linden, F.X. van der and Kröse, B.J.A. and Groen, F.C.A. (Aug. 1994)“ Predictive Robot Control with Neural Networks,”
TR. CS-94-13, Dept. of Comp. Sys, University of Amsterdam- Postscript file: click
here to get 96 Kb - Abstract: Neural controllers are
able to position the hand-held camera of the (3DOF) anthropomorphic OSCAR-robot
manipulator above an object which is arbitrary placed on a table. The desired
camera-joint mapping is approximated by feedforward neural networks. However,
if the object is moving, the manipulator lags behind because of the required
time to preprocess the visual information and to move the manipulator. Through
the use of time derivatives of the position of the object and of the manipulator,
the controller can inherently predict the next position of the object. In
this paper several predictive controllers are proposed, and successfully
applied to track a moving object.
Bartholomeus, M.G.P.
and Kröse, B.J.A. and Noest, A.J. (Nov. 1993)“ A robust multi-resolution vision system for
target tracking with a moving camera,” Computer Science in The Netherlands,
(Wijshof, H. , ed.), CWI, Amsterdam, pp. 52-63- Postscript file: click
here to get 197 Kb
Dam, J.W.M. van
and Kröse, B.J.A. and Groen, F.C.A. (Sep. 1993)“ Transforming Occupancy grids under robot
motion,” Artificial neural networks, (Gielen, S. and Kappen,
B., ed.), Springer-Verlag, pp. 318- Postscript file: click
here to get 52 Kb
Dam, J.W.M. van
and Kröse, B.J.A. and Groen, F.C.A. (Nov. 1993)“ A neural network that transforms occupancy
grids by parallel Monte-Carlo estimation,” Computing Science in The
Netherlands, (Wijshoff, H.A. , ed.), CWI, Amsterdam, pp. 121-131- Postscript file: click
here to get 81 Kb
Groen, F.C.A. and
Kröse, B.J.A. and Smagt, P.P. van der and Bartholomeus, M.G.P. and Noest,
A.J. (Sep. 1993)“ Neural Networks for robot eye-hand coordination,”
Artificial neural networks, (Gielen, S. and Kappen, B., ed.),
Springer-Verlag, pp. 211-218
Kröse, B.J.A. and Compagner, K.
and Groen, F.C.A. (1993)“ Accurate estimation of environment parameters
from ultrasonic data,” Robotics and Autonomous Systems 11 (3/4),
pp. 221-230
Kröse, B.J.A. and Smagt, P.P. van
der and Groen, F.C.A. (1993)“ A one-eyed self-learning robot manipulator,”
Neural networks in robotics, (Bekey, G. and Goldberg, K., ed.),
Kluwer Academic Publishers, Dordrecht, pp. 19-28- Postscript file:click
here to get 77 Kb - Keywords: neural networks, robot
arm control, hand-eye coordination, monocular vision - Abstract: A self-learning, adaptive
control system for a robot arm using a vision system in a feedback loop is
described. The task of the control system is to position the end-effector
as accurate as possible directly above a target object, so that it can be
grasped. The camera of the vision system is positioned in the end-effector
and the visual information is used directly to control the robot. Two strategies
are presented to solve the problem of obtaining 3D information from a single
camera: a) using the size of the target object and b) using information
from a sequence of images from the moving camera. In both cases a neural
network is trained to perform the desired mapping.
Smagt, P.P. van
der and Groen, F.C.A. and Kröse, B.J.A. (Oct. 1993)“ Robot hand-eye coordination using neural
networks,” TR. CS-93-10, Dept. of Comp. Sys, University of Amsterdam- Postscript file: click
here to get 493 Kb - Keywords: feed-forward neural networks,
robot arm control, hand-eye coordination - Abstract: This paper focuses on
static hand-eye coordination. The key issue that will be addressed is the
construction of a controller that eliminates the need for calibration. Instead,
the system should be self-learning and must be able to adapt itself to changes
in the environment. In this application, only positional information in
the system will be used; hence the above reference `static.’ Three coordinate
domains are used to describe the system: the Cartesian world-domain, the
vision domain, and the robot domain. The task that is set out to be solved
is the following. A robot manipulator has to be positioned directly above
a pre-specified target, such that it can be grasped. The target is specified
in terms of visual parameters. Only the (x,y,z) position of the end-effector
relative to the target is taken into account; this suffices for many pick-and-place
problems encountered in industry. (In a number of cases, also the rotation
of the hand is of importance, but this rotation can be executed separate
from the 3D positioning problem.) Thus the remaining problem is 3 degrees-of-freedom
(DoF).
Vy\vsniauskas,
V. and Groen, F.C.A. and Kröse, B.J.A. (Sep. 1993)“ A method for finding the optimal number of
learning samples and hidden units for function approximation with a feed
forward network,” Artificial neural networks, (Gielen, S. and Kappen,
B., ed.), Springer-Verlag, pp. 550-553- Keywords: Feedforward networks,
function approximation, hidden units - Abstract: This paper presents a
methodology to estimate the optimal number of learning samples and the number
of hidden units needed to obtain a desired accuracy of a function approximation
by a feedforward network. The representation error and the generalization
error, components of the total approximation error are analyzed and the
approximation accuracy of a feedforward network is investigated as a function
of the number of hidden units and the number of learning samples. Based on
the asymptotical behaviour of the approximation error, an asymptotical model
of the error function (AMEF) is introduced of which the parameters can be
determined experimentally. In combination with knowledge about the computational
complexity of the learning rule an optimal learning set size and number of
hidden units can be found resulting in a minimum computation time for a given
desired precision of the approximation.
Vy\vsniauskas,
V. and Groen, F.C.A. and Kröse, B.J.A. (Nov. 1993)“ The optimal number of learning samples and
hidden units in function approximation with a feedforward network,” TR.
CS-93-15, Dept. of Comp. Sys, Univ. of Amsterdam- Postscript file: click
here to get 137 Kb - Keywords: Feedforward networks,
function approximation, continuous mapping, learning from examples, generalization,
hidden units - Abstract: This paper presents a
method to estimate the optimal number of learning samples and the number of
hidden units for a function approximation by a feedforward network. The optimality
is considered under the minimal learning time constraint for a given degree
of accuracy which is an essential point for real-time learning. The approximation
error is modeled as a function of the number of hidden units and the number
of learning samples. Two models are presented: the first one is based on
general bounds of approximation and the second one on an asymptotic expansion
of the approximation error. This approach was applied to optimize the learning
of the camera-robot mapping of a visually guided robot arm and a complex
logarithm function approximation. The results of this investigation suggested
that the actual approximation errors differ considerably from the theoretical
upper bounds.
Kröse,
B.J.A. and Dam, J.W.M. van (Jun. 1992)“ Adaptive state space quantisation for reinforcement
learning of collision-free navigation,” Proceedings of the 1992 IEEE/RSJ
International Conference on Intelligent Robots and Systems , IEEE, Piscataway,
NJ, pp. 1327-1332- Postscript file: click
here to get 67 Kb
Kröse, B.J.A.
and Dam, J.W.M. van (1992)“ Adaptive state space quantisation : Adding
and removing neurons,” Artificial Neural Networks,2, (Aleksander,
I. and Taylor, J. , ed.), North-Holland/Elsevier Science Publishers, Amsterdam,
pp. 619-624- Postscript file: click
here to get 44 Kb
Kröse, B.J.A.
and Dam, J.W.M. van (Jun. 1992)“ Learning to avoid collisions: a reinforcement
learning paradigm for mobile robot navigation,” Proceedings of the 1992
IFAC/IFIP/IMACS Symposium on Artificial Intelligence in Real-Time control,
IFAC, pp. 295-301- Postscript file: click
here to get 47 Kb
Kröse, B.J.A.
and Bartholomeus, M.G.P. and C.G. Gielen and Noest, A.J. and Smagt, P.P. van
der (Apr. 1992)“ Visually controlled
manipulator movements: the SNN demo project,” Proceedings of the 2nd
Symposium on neural networks, Foundation for Neural Networks, Nijmegen,
pp. 6-10
Smagt, P.P. van der and Kröse, B.J.A.
and Groen, F.C.A. (Jun. 1992)“ A self-learning controller for monocular
grasping,” Proceedings of the 1992 IEEE/RSJ International Conference
on Intelligent Robots and Systems, IEEE, pp. 177-182- Postscript file: click
here to get 68 Kb - Keywords: time-to-contact, neural
networks, hand-eye coordination, robot arm control, monocular vision - Abstract: A method is presented
to learn 3D grasping of objects with unknown dimensions using a monocular
eye-in-hand manipulator. From a sequence of images a motion profile is generated
to approach the object of unknown size. It is shown that monocular visual
information suffices to control the deceleration of the robot manipulator.
A strategy for generating learning samples is presented, and simulation
results demonstrate the effectiveness of the method.
Smagt, P.P. van
der and Kröse, B.J.A. and Groen, F.C.A. (1992)“ A Cyclops Learns to Grasp,” Proceedings
of the Second Symposium on Neural Networks, The Dutch Foundation for
Neural Networks, pp. 88
Verschure, P.F.M.J. and Pfeifer, R. and
Kröse, B.J.A. (1992)“ Distributed Adaptive Control: the self organization
of structured behavior,” Robotics and Autonomous Systems 9 (2),
pp. 181-196
Smagt, P.P. van der and Kröse, B.J.A.
(June 1991)“ A Real-Time Learning Neural Robot Controller,”
Proceedings of the 1991 International Conference on Artificial
Neural Networks, (Kohonen, T. and Mäkisara, K. and Simula, O. and
Kangas, J., ed.), North-Holland/Elsevier Science Publishers, pp. 351-356- Postscript file: click
here to get 48 Kb - Keywords: neural networks, conjugate
gradient learning, hand-eye coordination, robot arm control - Abstract: A neurally based adaptive
controller for a 6 degrees of freedom (DOF) robot manipulator with only rotary
joints and a hand-held camera is described. The task of the system is to place
the manipulator directly above an object that is observed by the camera (i.e.,
2D hand-eye coordination). The requirement of adaptivity results in a system
which does not make use of any inverse kinematics formulas or other detailed
knowledge of the plant; instead, it should be self-supervising and adapt
on-line. The proposed neural system will directly translate the preprocessed
sensory data to joint displacements. It controls the plant in a feedback loop.
The robot arm may make a sequence of moves before the target is reached, when
in the meantime the network learns from experience. The network is shown to
adapt quickly (in only tens of trials) and form a correct mapping from input
to output domain.
Groen, F.C.A. and
Kröse, B.J.A. and Smagt, P.P. van der (May 1991)“ Parallel Distributed Processing in Autonomous
Robot Systems,” Proceedings of the 1991 Symposium on Neural Networks,
The Dutch Foundation for Neural Networks, pp. 24-25
R.P.W. Duin and
Kröse, B.J.A. (1980)“ On the possibility of avoiding peaking.”
Proceedings 5th Int. Conf. on Pattern Recognition, 1980, Miami,
U.S.A.
Psychophysics
“ A Structure Description of Visual Information,”
Pattern Recognition Letters, 3 (1985), 41-50..
“ A Description of Visual Structure,” PhD.
Thesis , Delft 1986.
Kröse, B.J.A
(1987)“Local structure analyzers as determinants
of preattentive pattern discrimination,” Biological Cybernetics
55, 286-298 (1987).
G.J.F. Smets, P.J. Stappers and
Kröse, B.J.A (1988)“Form detection: features or invariance”.
Perceptual and Motor Skills, 67, 311-317 (1988).
B. Julesz and
Kröse, B.J.A (1988)“Visual texture perception: features and spatial
filters.” Nature 333, 302-303 (1988).
Kröse, B.J.A
and B. Julesz (1989)“The control and speed of shifts of attention”.
Vision Research 29 (11) 1607-1619 (1989)..
Kröse, B.J.A
and C.A. Burbeck (1989)“Spatial Interactions in rapid pattern discrimination.
Spatial Vision 4 (4) 211-222 (1989) - Postscript file: click