Python將圖片轉換成彩色字符圖

# -*- coding:utf8 -*-

import cv2

charSize = 2#字符尺寸

string = "$@B%8&WM#*oahkbdpqwmZO0QLCJUYXzcvunxrjft/\|()1{}[]?-_+~<>i!lI;:,\"^`'. "
count = len(string)
img = cv2.imread('01.jpg')
u, v, _= img.shape
c = img*0 + 255
gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)

for i in range(0, u, 6):
    for j in range(0, v, 6):
        pix = gray[i, j]
        b, g, r = img[i, j]
        zifu = string[int(((count - 1) * pix) / 256)]
        cv2.putText(c, zifu, (j, i), cv2.FONT_HERSHEY_COMPLEX, charSize, (int(b), int(g), int(r)), 1)

cv2.imwrite('output.png', c)