title: How to detect red ball using opencv + python in my ubuntu 11.10
body: <p>Recently I was installed opencv in ubuntu 11.10 . And I planned to done a simple project in opencv using python. The project is to detect a red ball from an image using python. I'm new in python and opencv. Could you please help me to do this project. Could you please suggest a similar eg code.</p>
  
  <p>thanks in advance</p>