文章目录
opencv实现小学试题识别，判断正误
源代码
代码语言：javascript
复制# -*- coding:utf-8 -*-
# /usr/bin/python
'''
Author:Yan Errol Email:2681506@gmail.com Wechat:qq260187357
Date:2019-05-08--13:48
File：img2binary.py
Describe:读取图片，图片灰度化处理，灰度处理后的图片二值化
'''
print (__doc__)
import cv2 as cv
import numpy as np
from matplotlib import pyplot as plt
def read_img(path):
# Load an color image in grayscale
img = cv.imread(path)
return img
def imgs2gray(img):
im_gray = cv.cvtColor(img, cv.COLOR_BGR2GRAY)
return im_gray
def imgs2binary(img):
im_at_mean = cv.adaptiveThreshold(img,255, cv.ADAPTIVE_THRESH_GAUSSIAN_C, cv.THRESH_BINARY, 5,
