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。

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.

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在关键帧判别模块和重要区域识别模块的输出信号控制 下，编码模块对视频数据进行压缩编码。

The coding module compresses and codes the video data under the control of the output signal of the key frame discriminant module and the important regional identification module.

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