Near realtime face detection on the iPhone w/ OpenCV port [w/code,video]

iphone + opencv = winHi
OpenCV is by far my favorite CV/Image processing library. When I found an OpenCV port to the iPhone, and even someone tried to get it to do face detection, I just had to try it for myself.

In this post I'll try to run through the steps I took in order to get OpenCV running on the iPhone, and then how to get OpenCV's face detection play nice with iPhoneOS's image buffers and video feed (not yet OS 3.0!). Then i'll talk a little about optimization

Update: Apple officially supports camera video pixel buffers in iOS 4.x using AVFoundation, here's sample code from Apple developer.
Update: I do not have the xcodeproj file for this project, please don't ask for it. Please see here for compiling OpenCV for the iPhone SDK 4.3.

Let's begin
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