N-view human silhouette segmentation in cluttered, partially changing environments

Authors:
Tobias Feldmann;Björn Scheuermann;Bodo Rosenhahn;Annika Wörner
Affiliations:
Karlsruhe Institute of Technology, Germany;Leibniz Universität Hannover, Germany;Leibniz Universität Hannover, Germany;Karlsruhe Institute of Technology, Germany
Venue:
Proceedings of the 32nd DAGM conference on Pattern recognition
Year:
2010

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Abstract

The segmentation of foreground silhouettes of humans in camera images is a fundamental step in many computer vision and pattern recognition tasks. We present an approach which, based on color distributions, estimates the foreground by automatically integrating data driven 3d scene knowledge from multiple static views. These estimates are integrated into a level set approach to provide the final segmentation results. The advantage of the presented approach is that ambiguities based on color distributions of the fore-and background can be resolved in many cases utilizing the integration of implicitly extracted 3d scene knowledge and 2d boundary constraints. The presented approach is thereby able to automatically handle cluttered scenes as well as scenes with partially changing backgrounds and changing light conditions.