A novel object-based fractal stereo video coding scheme with quadtree-based disparity or motion compensation is proposed in this paper. Fractal coding is adopted and each object is encoded independently by a prior image segmentation alpha plane, which is defined exactly as in MPEG-4. The first 2 frames of right video are encoded by using the circular prediction mapping (CPM) and the remaining frames are encoded by using the non contractive interframe mapping (NCIM). The CPM and NCIM methods accomplish the motion estimation/compensation of right video. According to the different coding or user requirements, the spatial correlations between left and right frames can be explored by partial or full affine transformation quadtree-based disparity estimation/compensation, or simply applying CPM/NCIM on left video. The testing results for the nature stereo video sequences provide promising performances at low bitrate coding. We believe it will be a powerful and efficient technique for the object-based stereo video sequences coding.
A novel object-based fractal stereo video codec
2005-01-01
335862 byte
Conference paper
Electronic Resource
English
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