Python验证码识别的方法

#encoding=utf-8
import Image,ImageEnhance,ImageFilter
import sys
image_name = "./22.jpeg"
#去处 干扰点
im = Image.open(image_name)
im = im.filter(ImageFilter.MedianFilter())
enhancer = ImageEnhance.Contrast(im)
im = enhancer.enhance(2)
im = im.convert('1')
#im.show() #测试查看
s = 12   #启始 切割点 x
t = 2    #启始 切割点 y
w = 10   #切割 宽 +y
h = 15   #切割 长 +x
im_new = []
for i in range(4): #验证码切割
  im1 = im.crop((s+w*i+i*2,t,s+w*(i+1)+i*2,h))
  im_new.append(im1)
#im_new[0].show()#测试查看
xsize,ysize = im_new[0].size
gd = []
for i in range(ysize):
  tmp=[]
  for j in range(xsize):
    if( im_new[0].getpixel((j,i)) == 255 ):
      tmp.append(1)
    else:
      tmp.append(0)
  gd.append(tmp)
#看效果
for i in range(ysize):
  print gd[i]