寻找衣服设计图像的交点以及拐点。

在设计的衣服图像中，有很多的交点（布料缝合处），还有衣服的边缘（拐点），可以通过程序找到这些点，并做标记以供后期处理。-Find clothing design intersection of image and inflection.

In the graphic design of the clothes, there are a lot of intersection (cloth stitching), as well as the edges of clothes (inflection point), the program can be found through these points, and mark for post-processing.