Abstract: Because picture background has great influence on the people face detection,this article proposes a method of face detection by eliminating the background.It studies the skin color characteristics and the geometry characteristics of the picture regions,and carries on the classification according to the background regions geometry characteristics.Using the corresponding methods that are based on different geometry characteristics can effectively remove the background and realize the fast face det...

Key words: complexion partitioning； rectangle degree； circularity degree； outline proportion；