python-简单验证码识别-保监会网站

import pytesseract
from PIL import Image,ImageFilter,ImageEnhance
#pytesseract.pytesseract.tesseract_cmd = 'C:/Program Files (x86)/Tesseract-ORC/tesseract.exe'  
im = Image.open('E:/r3.png') 
imgry = im.convert('L')  
threshold = 140  
table = []  
for i in range(256):  
    if i < threshold:  
        table.append(0)  
    else:  
        table.append(1)   
out = imgry.point(table,'1')  
out.save('E:/pp.png')
vcode = pytesseract.image_to_string(out)
vcode
print (vcode)