How to use openCV with Python

Here's a short example showing how to use openCV with Python.It reads an image from a file, displays the image, the Harris corner detector on that image and the Canny edge image:
(save this in a file named tmp.py and run with: python tmp.py )



http://pythonimage.blogspot.com/2009/04/opencv-example.html

How to crop images in Python OpenCV

http://amiest-devblog.blogspot.com/2008/08/how-to-crop-images-with-opencv-in.html