Introduction - If you have any usage issues, please Google them yourself
image_binaryzation.m: image binarization main function, call otsu, kittler otsu.m: class discriminant classification (otsu global binarization algorithm) kittler: minimum classification error (minimum error thresholding) global binarization algorithm image_refining.m: thinning the main program, call otsu, refining refining.m: a practical method of calculating the skeleton of the image refinement coins.bmp lenna.bmp woman_v7_5.bmp: original gray-scale image results folder: Save the experiment generated images and the program flow chart