Moving cast shadows detection based on ratio edge

Authors:
Wei Zhang;Xiang Zhong Fang;Xiaokang Yang
Affiliations:
Shanghai Jiao Tong University, China;Shanghai Jiao Tong University, China;Shanghai Jiao Tong University, China
Venue:
ICPR '06 Proceedings of the 18th International Conference on Pattern Recognition - Volume 04
Year:
2006

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Abstract

In this paper we propose a novel method for moving cast shadows detection. Based on the analysis to the physical model of moving shadows, we prove that the ratio edge is illumination invariant. The distribution of the ratio edge is discussed and a significance test is performed to classify each image pixel into foreground object or moving shadow. Experimental results on typical scenes show that the proposed method can detect moving shadows robustly.