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利用现成的多媒体视频卡商品，在分析其工作原理的基础上，解决了控制视频帧／场采样的启动与结束及所采集视频数据从卡上的读取，实现了实时图像数据的采集，可应用于要求利用视觉信息构造闭环反馈的智能控制系统中。
Using the ready-made multimedia video card merchandise, based on the analysis of its working principle, it solves the problem of controlling the start and end of the video frame / field sampling and the reading of the collected video data from the card, and realizes real-time image data collection. It is used in intelligent control system that requires the use of visual information to construct closed-loop feedback.