The basis for the high-level interpretation of observed patterns of human motion still relies on motion segmentation. Popular approaches based on background subtraction use colour information to model each pixel during a training period. Nevertheless, a deep analysis on colour segmentation problems demonstrates that colour segmentation is not enough to detect all foreground objects in the image, for instance when there is a lack of colour necessary to build the background model. In this paper, our segmentation procedure is based not only on colour, but also on intensity information. Consequently, the intensity model enhances segmentation when the use of colour is not feasible. Experimental results demonstrate the feasibility of our approach.
CitationHuerta, Ivan; Rowe, Daniel; Mozerov, Mikhail; Gonzàlez, Jordi. "Improving background subtraction based on a casuistry of colour-motion segmentation problems". 3rd Iberian Conference on Pattern Recognition and Image Analysis (IbPRIA), Girona, Catalunya, 2007. A: Lecture Notes in Computer Science, vol. 4477. Berlin, Alemanya: Springer Verlag, 2007, p. 475-482.
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