Extraction of activity patterns on large video recordings

Jose Luis Patino Vilchis 1 Hamid Benhadda 2 Etienne Corvee 1 François Bremond 1 Monique Thonnat 1
1 PULSAR - Perception Understanding Learning Systems for Activity Recognition
CRISAM - Inria Sophia Antipolis - Méditerranée
2 Thales Communications [Colombes]
Abstract : Extracting the hidden and useful knowledge embedded within video sequences and thereby discovering relations between the various elements to help an efficient decision-making process is a challenging task. The task of knowledge discovery and information analysis is possible because of recent advancements in object detection and tracking. The authors present how video information is processed with the ultimate aim to achieve knowledge discovery of people activity and also extract the relationship between the people and contextual objects in the scene. First, the object of interest and its semantic characteristics are derived in real-time. The semantic information related to the objects is represented in a suitable format for knowledge discovery. Next, two clustering processes are applied to derive the knowledge from the video data. Agglomerative hierarchical clustering is used to find the main trajectory patterns of people and relational analysis clustering is employed to extract the relationship between people, contextual objects and events. Finally, the authors evaluate the proposed activity extraction model using real video sequences from underground metro networks (CARETAKER) and a building hall (CAVIAR).
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Article dans des revues
IET Computer Vision, IET, 2008, Special Issue on Visual Information Engineering, 2 (2), pp 108-128
https://hal.inria.fr/inria-00502826
Contributeur : Jose Luis Patino Vilchis <>
Soumis le : vendredi 16 juillet 2010 - 08:43:24
Dernière modification le : jeudi 9 juillet 2015 - 14:42:49

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Jose Luis Patino Vilchis, Hamid Benhadda, Etienne Corvee, François Bremond, Monique Thonnat. Extraction of activity patterns on large video recordings. IET Computer Vision, IET, 2008, Special Issue on Visual Information Engineering, 2 (2), pp 108-128. <inria-00502826>

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