GrabCut is a classical efficient algorithm used in image segmentation. In this paper we provide an approach of video segmentation—an algorithm which is called “GrabCut in local window algorithm” based on GrabCut algorithm. First, make cutout with GrabCut in series of overlap local windows and get corresponding local contour boundaries. Then the contour boundaries in local windows are linked to get foreground contour boundary. Finally foreground segmentation result is obtained by filling the global contour boundary. The comparison with the original GrabCut algorithm is demonstrated at the end of this paper, proving the method is efficient.
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