Eye Location Based on Gray Projection

A Method, to locate eye in image by using gray projection, is presented. We utilize the gray differential projection cure of the facial image to locate eye vertically position and utilize the gray integral projection cure to locate eye horizontal position. The method can apply to not only the upright front side face, but also the upright side face, lift up face and low face. When the face in image is obliqueness, we may use blocks gray projection. So the method could process rotated images. The method is simple and its calculation is less. The experiment results show that eyes can be located quite accurately by using gray projection.