AVS视频编码中熵编码器的硬件设计  

Hardware Design of Entropy Coding in AVS Video Coding

作　　者：曹国忠[1] 

机构地区：[1]福州大学物理与信息工程学院,福建福州350000

出　　处：《电视技术》2013年第11期15-17,共3页Video Engineering

摘　　要：简要介绍了AVS标准视频压缩部分的特点,重点研究AVS可变长熵编码的算法、结构,提出并行扫描的游程扫描方式和分段寻址的码表查表方式,提高了系统的速度以满足实时编码的要求。在此基础上,给出了主要的块变化系数熵编码器硬件结构。最后给出仿真波形及硬件综合结果,符合AVS视频编码标准,满足硬件加速的要求。Part of the characteristics of AVS standard video compression is briefly introduced, focused on the AVS variable-length entropy coding algorithm, structure,parallel scanning mode in run-level sanning and segment addressing mode in lookuping code table are presented. On this basis, the block coefficient of variation of entropy encoder hardware architecture is designed. Finally, the simulating results prove that the design meets the hardware structure of the AVS video coding standard and the requirements of hardware acceleration.

关 键 词：AVS 熵编码 游程扫描 实时编码 

分 类 号：TN919.81[电子电信—通信与信息系统]