This brief article is fully available free online, (which is great), so there’s no point me going over it as you can read it if you wish. This new technique in face recognition technology is different to the existing techniques that are based on the face as a whole. How these man-made technologies compare to natural human face recognition I’m not sure. I wonder whether the human brain actually uses a number of different approaches to face recognition?
Software could spot face-changing criminals by Jacob Aron New Scientist Issue 2847 18 January 2012 p. 18-19.