可以随意选取图像中多个感兴趣的区域进行操作

可以随意选取图像中多个感兴趣的区域进行操作-Can select multiple images in areas of interest to operate

This functions displays GUI for selecting square or rectangular part of the input image IMG. To perform selection user must click mouse twice: at two corners of the selection area. User can change the shape at any