Low-bit-rate generalized quad-tree motion compensation algorithm and its optimal encoding schemes

Hanan Ahmed-Hosni Mahmoud; Magdy A. Bayoumi

doi:10.1117/12.386638

30 May 2000 Low-bit-rate generalized quad-tree motion compensation algorithm and its optimal encoding schemes

Hanan Ahmed-Hosni Mahmoud, Magdy A. Bayoumi

Proceedings Volume 4067, Visual Communications and Image Processing 2000; (2000) https://doi.org/10.1117/12.386638
Event: Visual Communications and Image Processing 2000, 2000, Perth, Australia

Abstract

Quad-tree structured motion-compensation technique effectively utilizes the motion content of a frame as opposed to fixed size block motion compensation technique. In this paper, we propose a novel quad-tree-structured region-wise motion compensation technique that divides a frame into equivalent triangle blocks using the quad-tree structure. Arbitrary partition shapes are achieved by allowing 4-to-1, 3-to-1 and 2-1 merge/combine of sibling blocks having the same motion vector. We propose an optimal code scheme and a temporal predictive coding for the quad- tree. Simulation results show that our techniques reduce the bit rate by 40% as compared to other methods.

Citation Download Citation

Hanan Ahmed-Hosni Mahmoud and Magdy A. Bayoumi "Low-bit-rate generalized quad-tree motion compensation algorithm and its optimal encoding schemes", Proc. SPIE 4067, Visual Communications and Image Processing 2000, (30 May 2000); https://doi.org/10.1117/12.386638

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