图像像素到字符的转换--python实现

#图像像素到字符的转换
import numpy as np
from PIL import Image

if name == ‘ main ’:
image_file = “girl.jpg”
height = 116

            
              img = Image.open(image_file)
print("img=",img)
img_width,img_height = img.size
width = int(1.5*height*img_width // img_height)
img = img.resize((width,height),Image.ANTIALIAS)
pixels = np.array(img.convert('L'))
chars = "AVMNHQ$OC?7>:;."
N = len(chars)
step = 256 // N
print(N)
result = ''
for i in range(height):
    for j in range(width):
        result += chars[pixels[i][j] // step]
    result += '\n'
with open('text.txt',mode = 'w') as f:
    f.write(result)