Video decode module used the method of identification the digital video data stream to acquire the image data and then stored them in the frame memory.

视频解码模块采用对视频流数据识别的方法获得图像数据，然后送入帧存储器。

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Appling the theory of information and code. this paper gives the code rule, detail code methods and decode principle of bit code and frame data code.

将信息论和编码理论应用于无线家庭安防系统中，给出了位码编码、帧数据编码的编码准则、具体编码方法及解码原理。

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Current methods for identifying the video need decode the frame and have high complexity which is not suitable for real-time detection in places of mass data like gateway and multi-media server.

现有的基于视频内容的离线检测方法需要解码数据包，且匹配算法复杂度高，不适于数据量庞大的流媒体服务器或网关做实时检测。

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