但是，压缩后的视频码流极易受到信道随机噪声的干扰而产生错误，因此，视频通信中的错误隐藏技术越来越多的受到人们的关注。
However, the compressed video streams are vulnerable to the random noise in channel and generate errors, therefore, error concealment in video communication draw more and more attention.
同时基于图像信号的相关性、光滑性及一致性的假设，分别对MPEG-2的I-帧、P-帧和B-帧图像提出了相应的错误隐藏技术。
Statistical correlations of the smoothness and consistency in images were used to develop error concealment techniques for I-frame, P-frame, and B-frame MPEG-2.
该方法是在权衡考虑影响视频主观质量多种因素的基础上，并综合了传输、鲁棒性编码和解码端错误隐藏等技术的抗误码方法。
With weighting the factors of video subjective quality, it integrates the technology of transmission, robust coding and error resilience of the decoder.
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