You have to download and install openCV => svn co https://code.ros.org/svn/opencv/trunk/opencv https://code.ros.org/svn/opencv/trunk/opencv http://opencv.will

You have to download and install openCV => svn co https://code.ros.org/svn/opencv/trunk/opencv https://code.ros.org/svn/opencv/trunk/opencv http://opencv.willowgarage.com/wiki/PythonInterface http://opencv.willowgarage.com/wiki/PythonInterface