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opencv
(open source computer vision)

OpenCV is released under a BSD license and hence it’s free for both academic and commercial use. It has C++, C, Python and Java interfaces and supports Windows, Linux, Mac OS, iOS and Android. OpenCV was designed for computational efficiency and with a strong focus on real-time applications. Written in optimized C/C++, the library can take advantage of multi-core processing. Adopted all around the world, OpenCV has more than 47 thousand people of user community and estimated number of downloads exceeding 6 million. Usage ranges from interactive art, to mines inspection, stitching maps on the web or through advanced robotics.

24/04/2013
The first book about OpenCV Python interface is now for sale from Packt Publishing with free shipping to many countries!
11/04/2013
If you completed with your April Fool jokes, it's a good time to meet OpenCV 2.4.5 that OpenCV Development Team prepared for you!
27/03/2013
Microsoft just released Image Watch, a free Visual Studio extension for viewing in-memory images during debugging. Supports OpenCV image types!
01/03/2013
On the first day of Spring the OpenCV Development Team released OpenCV 2.4.4. Big thanks to all contributors who made pull requests on GitHub, sent bug reports and helped us in any other way!
latest
tutorials

Compatibility

> OpenCV 2.4.4

Author:

Eric Christiansen

Compatibility

> OpenCV 2.0

Author:

Wolf Kienzle