Face Recognition: Where We Are and Where To Go From Here

TR Image
Examples of a face with various expressions.

Face recognition has become a very active research field. Despite the existence of commercial face recognition systems, there are still important challenges for further research. The problems of variable lighting, pose, facial expression, aging, and inaccurate alignment continue to cause larger than desired error rates. This paper discusses the current state of the art in face recognition and suggests some promising directions for future research.