Causal graph-based video segmentation

Abstract : Among the different methods producing superpixel segmentations of an image, the graph-based approach of Felzen-szwalb and Huttenlocher is broadly employed. One of its interesting properties is that the regions are computed in a greedy manner in quasi-linear time by using a minimum spanning tree. The algorithm may be trivially extended to video segmentation by considering a video as a 3D volume, however, this can not be the case for causal segmentation, when subsequent frames are unknown. In a framework exploiting minimum spanning trees all along, we propose an efficient video segmentation approach that computes temporally consistent pixels in a causal manner, filling the need for causal and real time applications.
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Communication dans un congrès
International Conference on Image Processing, Sep 2013, Melbourne, Australia. pp.1-4, 2013
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icip2013_video_segm.pdf
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  • HAL Id : hal-00830820, version 1

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Camille Couprie, Clément Farabet, Yann Lecun, Laurent Najman. Causal graph-based video segmentation. International Conference on Image Processing, Sep 2013, Melbourne, Australia. pp.1-4, 2013. 〈hal-00830820〉

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