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Green Image
Issue No. 07 - July (2003 vol. 25)
ISSN: 0162-8828
pp: 918-923
<p><b>Abstract</b>—Moving shadows need careful consideration in the development of robust dynamic scene analysis systems. Moving shadow detection is critical for accurate object detection in video streams since shadow points are often misclassified as object points, causing errors in segmentation and tracking. Many algorithms have been proposed in the literature that deal with shadows. However, a comparative evaluation of the existing approaches is still lacking. In this paper, we present a comprehensive survey of moving shadow detection approaches. We organize contributions reported in the literature in four classes two of them are statistical and two are deterministic. We also present a comparative empirical evaluation of representative algorithms selected from these four classes. Novel quantitative (detection and discrimination rate) and qualitative metrics (scene and object independence, flexibility to shadow situations, and robustness to noise) are proposed to evaluate these classes of algorithms on a benchmark suite of indoor and outdoor video sequences. These video sequences and associated “ground-truth” data are made available at <url></url> to allow for others in the community to experiment with new algorithms and metrics.</p>
Shadow detection, performance evaluation, object detection, segmentation, traffic scene analysis, visual surveillance.

I. Mikic, M. M. Trivedi, A. Prati and R. Cucchiara, "Detecting Moving Shadows: Algorithms and Evaluation," in IEEE Transactions on Pattern Analysis & Machine Intelligence, vol. 25, no. , pp. 918-923, 2003.
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