Object Trajectory-Based Activity Classification and Recognition Using Hidden Markov Models


Motion trajectories provide rich spatiotemporal information about an object's activity. This paper presents novel classification algorithms for recognizing object activity using object motion trajectory. In the proposed classification system, trajectories are segmented at points of change in curvature, and the subtrajectories are represented by their… (More)
DOI: 10.1109/TIP.2007.898960


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