3D head trajectory using a single camera

Authors:
Caroline Rougier;Jean Meunier
Affiliations:
Department of Computer Science and Operations Research, University of Montreal, QC, Canada;Department of Computer Science and Operations Research, University of Montreal, QC, Canada
Venue:
ICISP'10 Proceedings of the 4th international conference on Image and signal processing
Year:
2010

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Abstract

Video surveillance applications need tools to track people trajectories. We present here a new method to extract the 3D head trajectory of a person in a room using only one calibrated camera. A 3D ellipsoid representing the head is used to track the person with a hierarchical particle filter. This method can run in quasi-real-time providing reasonable 3D errors for a monocular system.