AND-OR tree-based mode selection for video coding |
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Authors: | Guan-Ju Peng Wen-Liang Hwang Sao-Jie Chen |
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Affiliation: | (1) SysCom Laboratory, National Engineering School of Tunis, B.P. 37, le Belvedere, 1002 Tunis, Tunisia |
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Abstract: | The conventional video coding approach is pragmatic in that researchers design different methods and compare their results to state-of-the-art methods. Although the H.264/AVC baseline is effective, there is a need to develop an abstract view of video coding, in the hope that new insights can be derived from the abstraction. In this paper, we propose a preliminary approach based on an AND-OR tree representation of video coding. We show that the H.264/AVC baseline can be represented as an AND-OR tree structure. Based on the AND-OR tree representation, we propose two video coding systems: one is a T+2D wavelet codec based on a motion-compensated temporal filtering (MCTF) lifting structure, and the other is the AND-OR tree implementation of the H.264/AVC baseline. We also compare the proposed systems’ coding performance in terms of the PSNR with that of H.264/AVC JM 16.2. |
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