视频编码采用自适应全局MC和局部仿射MC

1996 8th European Signal Processing Conference (EUSIPCO 1996) Pub Date : 1996-09-10 DOI:10.5281/ZENODO.36390

H. Jozawa, K. Kamikura, K. Yanaka, Hiroshi Watanabe

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引用次数: 4

摘要

本文介绍了一种利用两级运动补偿(MC)的高效视频编码方法。本文提出的MC方法采用全局MC (CMC)和重叠块仿射MC。由于CMC无法预测图像中的所有区域，因此CMC可以自适应地为每个宏块打开/关闭。仿真结果表明，对于快速运动的序列，采用两级MC编码方法的编码效果明显优于H. 263。与H. 263相比，PSNR的性能改进约为3-4 dB。

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Video coding using adaptive global MC and local affine MC

This paper describes an efficient video coding method using two-stage motion compensation (MC). The proposed MC method employs global MC (CMC) and overlapped block affine MC. CMC is adaptively turned on/off for each macroblock since CMC cannot predict all regions in an image. Simulation results show that the proposed coding method using two-stage MC significantly outperforms H. 263 for sequences with fast motion. Performance improvements in PSNR are about 3–4 dB over H. 263.

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1996 8th European Signal Processing Conference (EUSIPCO 1996)

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