基于帧间相关的H.264/AVC快速模式内决策

Hyunsuk Ko, K. Yoo, Jungdong Seo, K. Sohn
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引用次数: 1

摘要

H.264/AVC标准采用率失真优化(RDO)技术,为每个宏块(MB)选择最佳编码模式和参考帧,实现了比以往视频编码标准更高的编码效率。这大大增加了系统的复杂度和计算量。为了降低视频压缩的复杂度,本文提出了一种基于MBpsilas平稳特性和所选模式之间的关系的快速模式内决策算法。实验结果表明,该方案可以显著提高内预测的速度,在峰值信噪比(PSNR)和生成比特数方面几乎为零退化。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Fast intra-mode decision using inter-frame correlation for H.264/AVC
The H.264/AVC standard achieves higher coding efficiency than the previous video coding standards with the rate-distortion optimization (RDO) technique which selects the best coding mode and the reference frame for each macroblock (MB). As a result, the complexity and computational load have been significantly increased. In this paper, a novel fast intra-mode decision algorithm is proposed to reduce the complexity of the video compression, which is based on the MBpsilas stationary property and the relationship of the selected modes among adjacent pictures. Experimental results show that the proposed scheme can significantly improve the speed of an intra prediction with almost zero degradation in terms of the peak signal to noise ratio (PSNR) and generated bits.
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