Patent ID: 7779264

Claim:
An authentication apparatus comprising: a first unit accepting moving image data having a plurality of pieces of still image frame data, the still image frame data including an image of multiple individuals and an image of a device that requires an authentication; a detection unit detecting a move locus of multiple individuals based on the moving image data, the move locus being determined by a sequence of regions where the image of the multiple individuals is recognized in the plurality of pieces of the still image frame data; and a second unit executing individual determination processing of determining an individual of the multiple individuals in one piece of the still image data based on the detected move locus and a distance measured between (a) a region where the individual of the multiple individuals is recognized and (b) the device that requires an authentication in the one piece of the still image frame data, wherein a result of the individual determination processing is provided for predetermined authentication processing, wherein the individual of the multiple individuals that is closest to the device that requires an authentication is selected as an individual to be authenticated.