The Introduction briefly presents the basic methods of video coding, the structure of block-based hybrid coding frame and the chief characteristics of video coding standards.

绪论部分简要介绍了视频压缩编码的基本方法，基于块匹配的混合编码框架的构成以及主要视频编码标准的特点。

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Manchester code was used in data coding, each frame of data included synchronous head, valid data bits and cyclic redundancy parity bits.

数据的编码采用了曼彻斯特编码格式，每帧数据包括同步头、有效数据位和冗余校验位三部分。

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To improve the robustness of video transmission over networks, duplex pyramid algorithm was applied to video coding, and then a frame of video coding was proposed.

提出了一个视频编码框架，将双向塔式算法应用于视频编码之中，以提高在不可靠网络环境中视频传输的鲁棒性。

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