Patent ID: 11087120

Abstract:
An area determining unit (3) for determining whether a detected face area is located within an area set for authenticating an occupant sitting on a front seat of a vehicle, a face orientation detecting unit (4) for detecting orientation of a face of a person on the basis of position information in a taken image of an element of the face of the person detected when the face area is determined to be located within the set area, a face orientation determining unit (5) for determining whether the orientation of the face of the person detected is within a range of the face orientation set for authenticating the occupant sitting on the front seat of the vehicle, and an authentication processing unit (6) for collating characteristic information of the taken image of the face area with characteristic information of a taken image for authentication accumulated in advance and authenticating the person whose face area is detected when the orientation of the face of the person is determined to be within the set range of the face orientation.