img = cv2.imread(numbers_address +"\\"+ file)# 读取图片img_gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)# 灰度处理# 自动阈值二值化 把图片处理成黑底白字img_temp = cv2.threshold(img_gray,0,255, cv2.THRESH_BINARY_INV | cv2.THRESH_OTSU)[1]# 寻找数字轮廓cnt = cv2.findContours(img_te...