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M. Gelgon, P. Bouthemy. A region-level motion-based graph representation and labeling for tracking a spatial image partition. Pattern Recognition, 33(4):725-740, April 2000.

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This paper addresses two image sequence analysis issues under a common framework. These tasks are, first, motion-based segmentation and second, updating and tracking over time of a spatial partition of an image. By spatial partition, we mean that constituent regions display an intensity, color or texture-based homogeneity criterion. Several issues in dynamic scene analysis or in image sequence coding can motivate this kind of development. A general-purpose methodology involving a region-level motion-based graph representation of the partition is presented. This graph is built from the topology of the spatial segmentation map. A statistical motion-based labeling of its nodes is carried out and formalized within a Markovian approach. Groups of spatial regions with consistent motion are identified using this labeling framework, leading to a motion-based segmentation that is both useful in itself and for propagating the spatial partition over time. Results on synthetic and real-world image sequences are shown, and provide a validation of the proposed approach


Patrick Bouthemy

BibTex Reference

   Author = {Gelgon, M. and Bouthemy, P.},
   Title = {A region-level motion-based graph representation and labeling for tracking a spatial image partition},
   Journal = {Pattern Recognition},
   Volume = {33},
   Number = {4},
   Pages = {725--740},
   Month = {April},
   Year = {2000}

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