应用在织物上的疵点检测的程序，通过边缘检测和轮廓提取完成的！-fabric used in the defect detection procedure for the adoption of edge detection and contour extraction completed!

基于亚像素的边缘提取，对于图像匹配，缺陷检测有很大帮助，希望能对你有所启发-Based on sub-pixel edge detection, for image matching, defect inspection of great help, hope to inspire you