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The Design of Wireless Transmission System for Real-time H.264 Video Encoding & Decoding
Author(s): ZHU Jin-huan~1, AI Yong-le~1, JIAING-Xin~2
Pages: 82-
87
Year: 2012
Issue:
4
Journal: Journal of Beijing Electronic Science and Technology Institute
Keyword: 视频编码; 无线视频传输; H.264; LDPC-BCH;
Abstract: 本文针对现代航天测控领域的视频图像传输应用,根据H.264视频编码标准,设计了一种基于TMS320DM642 DSP和FPGA的嵌入式实时视频编解码及无线传输系统,信道编码采用LDPC-BCH级联码。测试结果表明,本系统帧率最高可以达到25f/s,满足视频处理的实时性要求;在误码率为10-7时,信道编码增益约9dB,且在Eb/N0大于等于2.5dB时可以达到近似无误码传输,并获得较好的重建视频质量。
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