这减轻了处理器的压力，但是需要视频采集芯片具有一定智能，而且还要合适的视频卡。
This relieves the processor from doing the work but does require some intelligence on the part of the video-capture chip, as well as a suitable video card.
介绍了图像采集芯片SAA7113和实现图像采集的方法，并给出上述系统的处理结果。
Through introducing the image processing IC SAA7113 and its usage method of image acquiring, the results of image processing by the system were presented.
对系统的硬件资源选择、视频采集芯片SAA7111，系统的软件流程进行了详细的分析。
The paper has a detailed analysis of the system hardware resources choice, the video capture chip SAA7111 and software flow.
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