Experimental results of three videos at coal bunker floor of the electric factory show that the methods for the image sampling, the edge detection, and the flow analysis are practical and effective.

• 在电厂中进行了三段煤传输录影实验，对三段录影流量检测的重复性和准确性比较结果表明，本文提出的图像采集、边缘提取以及流量分析方法可行、有效。