Patent ID: 7340159
Filing Date: 2008-03-04
Classification: G03B,G06K

Abstract:
1. An image taking device for performing an image taking process for obtaining a second body image when personal identification is performed by matching the second body image with a first body image that is obtained in advance by an image taking process, the device comprising: a shooting condition storage portion that stores a shooting condition for each person in association with an ID given to the person, the shooting condition being used when a body image of the person is taken for obtaining the first body image; an input portion that enters the ID of a person to be an object of the identification; an image taking portion that takes an image of a person's body under the shooting condition corresponding to the entered ID for obtaining the second body image of the person to be an object of the identification; a determining portion that determines whether or not an area of a saturated highlight part is larger than a predetermined area in the entire image or a part zone of the image obtained by the image taking portion, the saturated highlight part having a brightness that is larger than a predetermined value; a corrected exposure time calculating portion that calculates a corrected exposure time that is an exposure time corrected to be shorter as an area of the saturated highlight part is larger so that the area of the saturated highlight part becomes smaller than the predetermined area when it is determined by the determining portion that the area of the saturated highlight part is larger than the predetermined area; a corrected exposure time storage portion that stores the corrected exposure time calculated by the corrected exposure time calculating portion in association with the ID of the person to be an object of the image taking process performed by the image taking portion; and a reshooting control portion that controls the image taking portion to retake the image taking process by the corrected exposure time corresponding to the ID entered by the input portion.