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Moving Cast Shadow Detection by Energy Minimization

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4 Author(s)
Yufei Zha ; Air Force Eng. Univ., Xi''an ; Yuan Yang ; Ming Zhang ; Duyan Bi

Moving cast shadow causes serious problem while segmenting and extracting true foreground from image sequences, due to the misclassification of moving shadow as foreground. This paper proposes a novel approach for moving cast shadow detection. Firstly, the color and texture information of moving cast shadow is employed with the temporal-spatial coherence of shadow and foreground in a probability framework; afier that, the maximization of posterior probability can be converted to energy minimization problem through Gibbs energy; finally, moving cast shadow and foreground can be segmented accurately through graph cut. Results show that the proposed method excels classical method both in indoor and outdoor scene.

Published in:

Image and Graphics, 2007. ICIG 2007. Fourth International Conference on

Date of Conference:

22-24 Aug. 2007

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