A method and system for generating 3D images of faces from 2D images, for generating 2D images of the faces at different image conditions from the 3D images, and for recognizing a 2D image of a target face based on the generated 2D images is provided. The recognition system provides a 3D model of a face...http://www.google.de/patents/US7415152?utm_source=gb-gplus-sharePatent US7415152 - Method and system for constructing a 3D representation of a face from a 2D representation
