Introduction - If you have any usage issues, please Google them yourself
Otsu method (OTSU) is a set of image binarization threshold segmentation algorithm, proposed by Japanese scholars ohtsu in 1979. From the principle of Otsu method speaking, this method is also called Otsu method, because in accordance with the Otsu binarization method of threshold image segmentation, foreground and background image (what is the maximum variance between class variance? The principle is introduced).