OpenCV

The Open Source Computer Vision Library has >2500 algorithms, extensive documentation and sample code for real-time computer vision. It works on Windows, Linux, Mac OS X, Android and iOS.

Homepage: opencv.org
Q&A forum: answers.opencv.org
Documentation: docs.opencv.org

Please pay special attention to our tutorials! http://docs.opencv.org/3.2.0/d9/df8/tutorial_root.html

Books about the OpenCV are described here: http://opencv.org/books.html

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