Welcome to this course on OpenCV Python Tutorial OpenCV is an image processing library created by Intel and later supported by Willow Garage and now maintained by Itseez. opencv is available on Mac, Windows, Linux. Works in C, C++, and Python. it is Open Source and free. opencv is easy to use and install. We are going to open Image/Video Webcam in OpenCV and then work on corner and edge detections along with histogram equalization.