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author:

王炎 (王炎.) [1] | 施隆照 (施隆照.) [2] | 李忠旺 (李忠旺.) [3] | 傅晨 (傅晨.) [4]

Abstract:

新一代视频编码标准(High Efficiency Video Coding,HEVC)与AVC/H.264相比,在相同视觉质量条件下可以节省50%的码率,但其计算的复杂度以及数据的依赖性,给实现实时编码带来巨大的挑战。本文从硬件实现的角度针对CTU块的编码流程,提出一种高效并行流水处理方案,将整个编码过程划分成相互独立的率失真优化(RDO)、重构和熵编码三个阶段,实现整个编码过程流水作业。并设计实现了编码器各模块之间的数据高效交换存储架构,确保流水线不断流或少断流,提高了整个编码器的运行效率。

Keyword:

AVC/H.264 HEVC 流水线 硬件实现

Community:

  • [ 1 ] 福州大学

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Source :

广播电视网络

Year: 2020

Issue: 01

Page: 93-97

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 5

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