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author:

李煜晖 (李煜晖.) [1] | 施隆照 (施隆照.) [2] | 兰尔铭 (兰尔铭.) [3] | 宋佳柔 (宋佳柔.) [4]

Abstract:

视频编码的重构是新一代视频编码标准(High Efficiency Video Coding,HEVC)的重要模块,通过对预测后的残差数据进行变换、量化等操作,能够大幅度地提高编码效率.由于重构过程必须与解码过程相同,所以要符合HEVC编码标准,且帧内块重构必须用到左侧与上侧块的重构数据,而这必然会引起流水线时常断流.因此,硬件重构时无法实现相邻块流水处理,限制了提升硬件处理单元工作效率的途径.本文提出一种YUV分量交叉变换的硬件架构,可有效提高硬件资源的利用率.综合结果显示,和现有架构相比,新架构在计算速度、时序紧凑性以及资源消耗上有较大优势.

Keyword:

DCT FPGA HEVC 视频编码

Community:

  • [ 1 ] [兰尔铭]福州大学
  • [ 2 ] [李煜晖]福州大学
  • [ 3 ] [宋佳柔]福州大学
  • [ 4 ] [施隆照]福州大学

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ISSN: 2096-806X

Year: 2023

Issue: 8

Volume: 30

Page: 104-108

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

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Chinese Cited Count:

30 Days PV: 2

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