在windows下安装python+opencv
参考文档Install OpenCV-Python in Windows
1. 下载python2.7.x的32位安装包并安装，将python安装路径加入环境变量PATH中
https://www.python.org/
2. 下载opencv最新版本并安装
http://opencv.org/
3. 下载numpy最新版本并安装，opencv依赖它
http://www.numpy.org/
4. 把opencv安装目录下的build\python\2.7\x86\cv2.pyd复制到python安装目录下的Lib\site-packages下
5. 运行测试代码
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import numpy as np
import cv2
img = cv2.imread("637135313486909181.jpg")
cv2.imshow("image", img)
cv2.waitKey(0)
注意：opencv只支持python2.7,numpy只支持win32+python2.7
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