2012/01/10 Marker less AR is using natural images as markers instead of monochromatic markers. This program includes object recognition, tracking, and overlay of 3D model functions. You can use this program source code under MIT license. http://www.opensource.org/licenses/mit-license.php This program was written in C++ using OpenCV 2.3.1 and GLUT 3.7.6. You should install these libraries before yo