从图片生成个性化注释

import cv2import numpy as npfrom matplotlib import pyplot as plt
img0 = cv2.imread("XY.jpg")im = cv2.cvtColor(img0, cv2.COLOR_BGR2GRAY)im=cv2.resize(im,(100,50))im = np.where(im<85,0,im)m = np.where((85<=im).all() and (im<=171).all(),128,im)im = np.where(im>171,255,im)plt.imshow(im, cmap='Greys')plt.show()

with open("comment.txt","wt") as f:    rows, columns = im.shape    for i in range(rows):        for j in range(columns):            if im[i,j] ==255:                f.write(" ")            elif im[i,j]==0:                f.write("w")            else:                f.write("/")        f.write("\n")