摘要
分布式视频编码具有编码简单、高效压缩等特点,近些年国内外设计实现了多种分布式视频编码算法.本文提出一种基于变换域的分布式视频编码仿真测试软件设计方案,以测试QICF、CIF以4∶2∶0采样的YUV原始视频文件,通过改变量化参数、提取位平面参数改变视频文件传输比特率,以测试该算法在不同比特率下的率失真性能,通过更改量化表和运动预测搜索半径,搜索块大小,以适用不同序列更改设置,达到最佳性能.该方案可以验证分布式视频编码中各个模块的功能,并可以提出相应模块的各种改进算法验证其性能.
Distributed video coding has many characteristics, such as coding simple and efficient compression. A variety of distributed video coding algorithm was implemented both domestic and abroad in recent years. This paper proposes a design scheme of simulation test software for distributed video coding based on transform domain,to test the YUV original video file QICF,CIF 4： 2： 0 sampling,by changing the parameters of quantitative parameters, extract the Bit-plane parameters and change transmission bit rate of video files, to test the rate-distortion performance of algorithm under different bit rates, and by changing the quantization tables and motion prediction search radius, the search block size,change the Settings to apply different sequences,to achieve the best performance. This scheme not only can verify the function of each module in the distributed video coding,but also can verify its performance by putting forward improved algorithm of corresponding module .
出处
《广州航海学院学报》
2017年第1期32-35,共4页
Journal of Guangzhou Maritime University
