Description: Robert achieved using edge detection operator procedures, poor positioning on the edge, but when the graphics simple extraction well, the coarse edge detection.
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File list (Check if you may need any files):
边缘提取程序\extraction.exe
............\Form1.frm
............\Form1.frx
............\MSSCCPRJ.SCC
............\工程1.vbp
............\工程1.vbw
............\未命名.bmp
边缘提取程序