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author:

普建龙 (普建龙.) [1] | 吴景东 (吴景东.) [2] (Scholars:吴景东)

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CQVIP PKU

Abstract:

新一代视频编码标准(High Efficiency Video Coding,HEVC)中整数DCT编码支持大小从4×4到32×32的TU块,运算量巨大.通过优化MCM单元来减少运算量,通过硬件电路复用来减少硬件资源消耗,同时使用转置模块来加速流水线,并且能适应各种不同大小的TU块.实验代码通过Verilog HDL编写,并在Ahera Arria GX EP1AGX90EF1152C FPGA上综合.结果表明,该结构等待时延最多为32个时钟周期,每个时钟周期能处理32个采样点,在184 MHz的时钟频率下,能实时处理60 f/s(帧/秒)的UHD(Ultra-High-Definition 7 680×4 320)视频信号.

Keyword:

FPGA HEVC 整数DCT 适应不同TU块

Community:

  • [ 1 ] [普建龙]福州大学
  • [ 2 ] [吴景东]福州大学

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Source :

电视技术

ISSN: 1002-8692

CN: 11-2123/TN

Year: 2014

Issue: 19

Volume: 38

Page: 101-104,119

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: -1

Chinese Cited Count:

30 Days PV: 2

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