Howto: OpenCV 2.4.9 on Raspberry Pi from source

OpenCV is a powerful tool for building computer vision based applications. For one of my projects, I needed it to be compiled on my Raspberry.

Installing it from repositories was not an option because of its too old version.
If this wouldn’t bother you, consider using: sudo apt-get install libopencv-dev

Here is how I installed it on my Rasbian Wheezy from source:

prerequisites:

after that:

downloading the zipfile into a folder located in $HOME

Make took about 6-7 hours on my Raspberry Pi, so be sure you have a stable connection or consider using a tool like ‘screen’.

Please also see:

For  openni2_camera it’s not necessary to go further like other posts suggested.

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