| 摘要 |
PROBLEM TO BE SOLVED: To provide a walk-through type face image authentication device capable of appropriately determining the existence of a dishonest act using a face picture.SOLUTION: A face image authentication device 1 comprises: an imaging part 3 for sequentially acquiring input images obtained by imaging a prescribed imaging area; person detection means 12 for extracting a person area image from the input image; track means 14 for grouping the person area images; face imaging condition calculation means 15 for calculating according to the group, with respect to each person area image of the group, a feature indicating imaging conditions at the time of imaging the face on the person area image; and dishonest act determination means 16 for determining according to the group whether or not the feature has changed indicating imaging conditions with respect to each person area image of the group, and determining that the dishonest act is performed using a face picture when the feature has not changed, and that no dishonest act is performed when the feature has changed. |
