Patent ID: 7379114

Claim:
An image determination apparatus comprising: an image pickup unit for picking up an image of a subject of image pickup; a first illumination unit and a second illumination unit which are arranged in different positions and illuminate the subject of image pickup whose image is picked up by the image pickup unit; a control unit using a change in shade on a first picked-up image at the time when an image of the subject of image pickup is picked up by the image pickup unit in a state in which the first illumination unit is turned on and the second illumination unit is turned off, and a change in shade on a second picked-up image at the time when an image of the subject of image pickup is picked up by the image pickup unit in a state in which the first illumination unit is turned off and the second illumination unit is turned on, to determine whether or not the subject of image pickup of the first and second picked-up images is a living body; and a third illumination unit arranged in a position where the third illumination unit illuminates a subject of image pickup from its front, wherein an authentication function is provided in the control unit which authenticates a person who is a subject of image pickup using a third picked-up image in which an image of the subject of image pickup is picked up by the image pickup unit in a state in which both the first and second illumination units are turned on.