OpenCV (Open Source Computer Vision) is a library of programming functions for real time computer vision.
iProcessing is an open programming framework to help people develop native iPhone applications using the Processing language. It is an integration of the Processing.js library and a Javascript application framework for iPhone. The iProcessing download consists of a set of example XCode projects that demonstrate many of the Basic Examples from the Processing web site (originally written by Casey Reas and Ben Fry unless otherwise stated) as well a number that demonstrate the use of various iPhone features such as multitouch, accelerometer, orientation, location, sound play/record, app state saving and so on