基于方向能量分布的HEVC模式内快速决策

2013 IEEE International Symposium on Consumer Electronics (ISCE) Pub Date : 2013-06-03 DOI:10.1109/ISCE.2013.6570252

Ce-Min Fang, Y. Chang, Wen-Hao Chung

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引用次数: 9

摘要

JCT-VC由ITU-T VCEG和ISO/IEC MPEG联合开发一种名为HEVC的新视频编码标准，旨在为新兴的高清或超高清视频内容实现更高的编码效率。HEVC的一个新编码特性是将帧内预测模式从H.264/AVC的9个增加到35个。为了减少计算时间，提出了一种基于方向能量分布的快速模内决策算法。在可忽略的PSNR下降和比特率增加的情况下，第一次粗略模式决策的计算时间节省可达68%。

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Fast intra mode decision for HEVC based on direction energy distribution

JCT-VC joined by ITU-T VCEG and ISO/IEC MPEG is developing a new video coding standard called HEVC to achieve better coding efficiency for the emerging HD or Ultra HD video content. One of the new coding features in HEVC is increasing intra prediction modes from 9 in H.264/AVC to 35. To reduce the computation time, this paper presents a fast intra mode decision algorithm based on direction energy distribution. The saving of computation time for the first rough mode decision can be up to 68% under the negligible PSNR drop and bit rate increase.

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2013 IEEE International Symposium on Consumer Electronics (ISCE)

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