Simple object detection example using keypoint detection and matching.  Works in real-time with low CPU, including mobiles.  

Requires openFrameworks v07 (with ofxOpenCv using OpenCV2.2+):
http://www.openframeworks.cc/download

/*
 *  Created by Parag K. Mital - http://pkmital.com 
 *  Contact: parag@pkmital.com
 *
 *  Copyright 2011 Parag K. Mital. All rights reserved.
 * 
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 *	obtaining a copy of this software and associated documentation
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 *	copies of the Software, and to permit persons to whom the
 *	Software is furnished to do so, subject to the following
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 *	
 *	The above copyright notice and this permission notice shall be
 *	included in all copies or substantial portions of the Software.
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 *	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,	
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 *	OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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