Install Opencv for Python on Windows

Question

I try to install opencv for python. I use windows x64. I install numpy1.6 and python2.7. I have installed opencv2.4.9. I install them succesfully. I guide from this page. It says that

Now open your "Python IDLE" ( from Start > All Programs > Python 2.7 > Python IDLE ) and just type following : import cv2

When I run import cv2, I get below error :

module compiled against API version 9 but this version of numpy is 6.

How can I know compatible version?

I know this question enter link description here. But I installed latest numpy version, it didn't solve my problem.

I don't agree with the advice on the duplicate question. Install the Anaconda distribution. — YXD
– YXD, Commented Apr 20, 2015 at 13:21

matthewpark319 · Accepted Answer · 2016-09-09 14:42:38Z

2

Use https://www.scivision.co/install-opencv-3-0-x-for-python-on-windows/ It's going to lead you to http://www.lfd.uci.edu/~gohlke/pythonlibs/#opencv where you can download a .whl installer. After you download it, you can run it using pip install some-file.whl assuming you have pip installed. After that you should be able to import cv2.

I had the same problem and I did a ton of research but this is the only one that worked.

answered Sep 9, 2016 at 14:42

matthewpark319

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1 Comment

Nathalie Over a year ago

this solution worked for me, but needed to rename ton win 32, although I use Windows 64 and python is installed correctly. It was the same for numpy.

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