Ontological inference for image and video analysis
Machine Vision and Applications
Pattern Recognition Letters
Hierarchical group process representation in multi-agent activity recognition
Image Communication
Hierarchical multi-channel hidden semi Markov models
IJCAI'07 Proceedings of the 20th international joint conference on Artifical intelligence
Review: The use of pervasive sensing for behaviour profiling - a survey
Pervasive and Mobile Computing
Trajectory-based handball video understanding
Proceedings of the ACM International Conference on Image and Video Retrieval
IEEE Transactions on Systems, Man, and Cybernetics, Part C: Applications and Reviews
Rate-invariant recognition of humans and their activities
IEEE Transactions on Image Processing
The use of hidden semi-Markov models in clinical diagnosis maze tasks
Intelligent Data Analysis
Learning to recognize video-based spatiotemporal events
IEEE Transactions on Intelligent Transportation Systems
Event detection for intelligent car park video surveillance
Real-Time Imaging
Decomposition in hidden Markov models for activity recognition
MCAM'07 Proceedings of the 2007 international conference on Multimedia content analysis and mining
Learning causality and intentional actions
Proceedings of the 2006 international conference on Towards affordance-based robot control
Logic-based representation, reasoning and machine learning for event recognition
Proceedings of the Fourth ACM International Conference on Distributed Event-Based Systems
Detecting and discriminating behavioural anomalies
Pattern Recognition
Computer Vision and Image Understanding
IWINAC'11 Proceedings of the 4th international conference on Interplay between natural and artificial computation - Volume Part I
A comprehensive study of visual event computing
Multimedia Tools and Applications
Recognition and segmentation of 3-d human action using HMM and multi-class adaboost
ECCV'06 Proceedings of the 9th European conference on Computer Vision - Volume Part IV
Review: Situation identification techniques in pervasive computing: A review
Pervasive and Mobile Computing
Event processing under uncertainty
Proceedings of the 6th ACM International Conference on Distributed Event-Based Systems
Detection of suspicious behavior from a sparse set of multiagent interactions
Proceedings of the 11th International Conference on Autonomous Agents and Multiagent Systems - Volume 2
Hierarchical multi-channel hidden semi Markov graphical models for activity recognition
Computer Vision and Image Understanding
Activity representation with motion hierarchies
International Journal of Computer Vision
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We present a new approach to recognizing events invideos.We first detect and track moving objects in thescene.Based on the shape and motion properties ofthese objects, we infer probabilities of primitive eventsframe-by-frame by using Bayesian networks.Compositeevents, consisting of multiple primitive events, overextended periods of time are analyzed by using a hidden,semi-Markov finite state model.This results in morereliable event segmentation compared to the use of standardHMMs in noisy video sequences at the cost of someincrease in computational complexity.We describe ourapproach to reducing this complexity.We demonstratethe effectiveness of our algorithm using both real-worldand pertubed data.