python 多张图片黑底白字转白底黑字

需要 pip install sheen 原图： 转换后：

 nn = 1str_name1 = 'cut'str_name3 = '.png'rootdir = r'C:\Users\Administrator\Downloads\Downloads'for parent, dirnames, filenames in os.walk(rootdir): for filename in filenames: print('parent is :' parent) print('filename is :' filename) currentPath = os.path.join(parent, filename) print('THe full filename is:' currentPath) image=cv2.imread(currentPath) image2=cv2.bitwise_not(image) dizhi = r'C:\Users\Administrator\Downloads\a' dizhi = dizhi str_name1 str(nn) str_name3 cv2.imwrite(dizhi, image2) nn = 1