Face detection with PHP

Maurice Svay has ported a Javascript / Canvas face recognition impelementation into pure PHP, which is cool! Its rather slow, but works without any external programs - well apart from the PHP GD module. You can find the orginal Javascript version is here.

Check out the code here:

http://svay.com/blog/index/post/2009/06/19/Face-detection-in-pure-PHP-(without-OpenCV)