Summarising contextual activity and detecting unusual inactivity in a supportive home environment
Pattern Analysis & Applications
Human Tracking by Particle Filtering Using Full 3D Model of Both Target and Environment
ICPR '06 Proceedings of the 18th International Conference on Pattern Recognition - Volume 02
Contrast Context Histogram - A Discriminating Local Descriptor for Image Matching
ICPR '06 Proceedings of the 18th International Conference on Pattern Recognition - Volume 04
Efficient hierarchical method for background subtraction
Pattern Recognition
A 3D Shape Descriptor for Human Pose Recovery
AMDO '08 Proceedings of the 5th international conference on Articulated Motion and Deformable Objects
Concept and Design of a Video Monitoring System for Activity Recognition and Fall Detection
ICOST '09 Proceedings of the 7th International Conference on Smart Homes and Health Telematics: Ambient Assistive Health and Wellness Management in the Heart of the City
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This paper presents a Video Monitoring System, which aims to achieve behavior analysis of elderly people. Real-time tracking and posture discrimination enable to detect emergency situation (by trigging an alarm in case of fall detection for example) and to analyze long term activity which enforces medical follow-up. These are key-issues to improve healthcare quality for rural population. Monitoring human activity in a home environment is a challenging task in computer vision. A multi-camera system is proposed to address the complexity of home environment. Person silhouette is extracted thanks to a robust background/foreground segmentation process. A multi-view particle filter is built to track the silhouette in the scene and discriminate the person posture. This posture is used to interpret basic activities and detect falls. A finer gesture reconstruction is finally exposed which will offer a more accurate activity determination and gait analysis for future system.