import cv2 import math import numpy as np #勿为他用，往下拉 def binarization(img, rate = 0.9): if len(img.shape) == 3: img = cv2.cvtColor(img, cv2.COLOR_BAYER_BG2GRAY) hh = img.shape[0] ww = img.shape[1] img_copy = img.copy() heig