Abstract
A new approach to analyze and synthesize texture regions in video coding is presented, where texture blocks in video sequence are synthesized using graph cut technique. It first identifies the texture regions by video segmentation technique, and then calculates their motion vectors by motion vector (MV) scaling technique like temporal direct mode. After the correction of these MVs, texture regions are predicted from forward and/or backward reference frames by the corrected MVs. Furthermore, Overlapped Block Motion Compensation (OBMC) is applied to these texture regions to reduce block artifacts. Finally, the texture blocks are stitched together along optimal seams to reconstruct the current texture block using graph cuts. Experimental results show that the proposed method can achieve compared visual quality for texture regions with H.264/AVC, while spending fewer bits.
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© 2006 Springer-Verlag Berlin Heidelberg
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Zhang, Y., Ji, X., Zhao, D., Gao, W. (2006). Video Coding by Texture Analysis and Synthesis Using Graph Cut. In: Zhuang, Y., Yang, SQ., Rui, Y., He, Q. (eds) Advances in Multimedia Information Processing - PCM 2006. PCM 2006. Lecture Notes in Computer Science, vol 4261. Springer, Berlin, Heidelberg. https://doi.org/10.1007/11922162_67
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DOI: https://doi.org/10.1007/11922162_67
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