视频信道 video chain; video channel; video frequency channel
视频信号 vision signal; video signal◇视频信号检波 video rectification; video detection; 视频信号接收 video reception; 视频信号增益 video gain; 视频信号振幅 amplitude of video signal; 视频信号周期 video interval
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例句与用法
This scheme firstly determined the operating mode of coded video stream in nal layer according to the current channel state before they were packed . the coded video stream operated under ssm in error - free channel so as to reduce the packing tradeoff and increase the coding efficiency . while in error - prone channel , they operated under dpm combined with improved unequal error protection ( uep ) scheme based on human eyes characteristic in order to elevate their robustness to channel error 该方案中编码视频信息在进行打包封装前,首先根据当前信道状态信息自适应地确定其在nal层中的工作模式,在无丢包信道中采用单数据片模式以降低编码视频流的打包开销,提高编码效率;而在丢包信道中采用数据分区模式以提高编码视频流对信道误码的鲁棒性能,同时基于人眼视觉特性,提出了一种改进的uep策略。