Recognizing multitasked activities from video using stochastic context-free grammar
Eighteenth national conference on Artificial intelligence
Inferring Activities from Interactions with Objects
IEEE Pervasive Computing
Activity Recognition and Abnormality Detection with the Switching Hidden Semi-Markov Model
CVPR '05 Proceedings of the 2005 IEEE Computer Society Conference on Computer Vision and Pattern Recognition (CVPR'05) - Volume 1 - Volume 01
Hands-On RFID: Wireless Wearables for Detecting Use of Objects
ISWC '05 Proceedings of the Ninth IEEE International Symposium on Wearable Computers
Fine-Grained Activity Recognition by Aggregating Abstract Object Usage
ISWC '05 Proceedings of the Ninth IEEE International Symposium on Wearable Computers
Variational Learning for Switching State-Space Models
Neural Computation
A long-term evaluation of sensing modalities for activity recognition
UbiComp '07 Proceedings of the 9th international conference on Ubiquitous computing
The lumière project: Bayesian user modeling for inferring the goals and needs of software users
UAI'98 Proceedings of the Fourteenth conference on Uncertainty in artificial intelligence
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Artificial Intelligence
Human-behaviour study with situation lattices
SMC'09 Proceedings of the 2009 IEEE international conference on Systems, Man and Cybernetics
Preference model assisted activity recognition learning in a smart home environment
IROS'09 Proceedings of the 2009 IEEE/RSJ international conference on Intelligent robots and systems
Activity recognition using temporal evidence theory
Journal of Ambient Intelligence and Smart Environments
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Proceedings of the 12th ACM international conference adjunct papers on Ubiquitous computing - Adjunct
On using temporal features to create more accurate human-activity classifiers
AICS'09 Proceedings of the 20th Irish conference on Artificial intelligence and cognitive science
Activity recognition based on RFID object usage for smart mobile devices
Journal of Computer Science and Technology
Exploring semantics in activity recognition using context lattices
Journal of Ambient Intelligence and Smart Environments
A dynamic sliding window approach for activity recognition
UMAP'11 Proceedings of the 19th international conference on User modeling, adaption, and personalization
Learning the semantics of object-action relations by observation
International Journal of Robotics Research
Pervasive and Mobile Computing
A hierarchical approach to real-time activity recognition in body sensor networks
Pervasive and Mobile Computing
A constraint-based approach for proactive, context-aware human support
Journal of Ambient Intelligence and Smart Environments
People, sensors, decisions: Customizable and adaptive technologies for assistance in healthcare
ACM Transactions on Interactive Intelligent Systems (TiiS) - Special issue on highlights of the decade in interactive intelligent systems
A knowledge-driven approach to composite activity recognition in smart environments
UCAmI'12 Proceedings of the 6th international conference on Ubiquitous Computing and Ambient Intelligence
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We introduce Interleaved Hidden Markov Models for recognizing multitasked activities. The model captures both inter-activity and intra-activity dynamics. Although the state space is intractably large, we describe an approximation that is both effective and efficient. This method significantly reduces the error rate when compared with previously proposed methods. The algorithm is suitable for mobile platforms where computational resources may be limited.