OpenCV (Open Source Computer Vision) is a library of programming functions for the realtime computer vision. OpenCV is released under the liberal BSD license and hence it's free for both academic and commercial use. It has C++, C, Python and Java (Android) interfaces and supports Windows, Linux, Android and Mac OS.
OpenCV ( Open Source Computer Vision Library ) is a library of programming functions mainly aimed at real-time computer vision , developed by Intel , and now supported by Willow Garage and Itseez.