ericwon2000
更新時間：2017/4/25 下午 05:31:50

# -*- coding: utf-8 -*-
"""
Created on Tue Apr 25 17:05:44 2017

"""

import cv2,subprocess
img=cv2.imread("media\\bank.jpg")
cv2.namedWindow("Image")
cv2.imshow("Image",img)
cv2.waitKey(0)
cv2.destroyWindow("Image")
gray=cv2.cvtColor(img,cv2.COLOR_BGR2GRAY)
_, inv=cv2.threshold(gray,150,255,cv2.THRESH_BINARY_INV)
for i in range(len(inv)):
    for j in range(len(inv[i])):
        if inv[i][j]==255:
            count=0
            for k in range(-2,3):
                for l in range(-2,3):
                    try:
                        if inv[i+k][j+l]==255:
                            count+=1
                    except IndexError:
                        pass
            if count <=6:
                inv[i][j]=0
dilation=cv2.dilate(inv,(8,8),iterations=1)
cv2.imwrite("media\\bank_t.jpg",dilation)
child=subprocess.Popen('tesseract media\\bank_t.jpg result')
child.wait()
text=open('result.txt').read().strip()
print("驗證碼為"+text)