| 摘要 |
PROBLEM TO BE SOLVED: To provide a face authentication device of a walk-through type, capable of properly discriminating whether or not tailgating is present.SOLUTION: A face image authentication device 10 includes: an imaging part 100 for sequentially acquiring a monitoring image in which a monitoring area is photographed; a storage part 310 for storing registered face images; face detection means 322 for extracting a face area image out of the monitoring image; face tracing means 323 for tracing a face image to group them; authentication discrimination means 324 for comparing, for each grouped data, a face area image included in the grouped data with a registered image to discriminate whether a person in the grouped data is a registered person or unregistered person; and tailgating discrimination means 326 for discriminating that it is a tailgating entry when, in a prescribed period before and after a point of time in which a person in a specific grouped data is determined to be a registered person, another grouped data determined to be an unregistered person exits. |
