Patent ID: 11960586
Assignee: NEC CORPORATION
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 11:
12. A face recognition method comprising:
reading, by a reader, first identification information from a medium carried by an authentication subject, the reader being installed in a gate configured to allow an authentication subject to enter an inside of a facility;
controlling an image capturer to capture a plurality of images before the reader reads the first identification information;
detecting, as a plurality of detected face images, a face image from the plurality of images acquired by the image capturer;
determining if a face image associated with identification information that corresponds to the read first identification information has been already registered in the server;
matching the plurality of detected face images with a registered face image, the detected face image captured before the reader reads the first identification information; and
when there is no registered face image associated with the first identification information in a server, register in the server, the detected face image captured by the image capturer in association with the first identification information, and when receiving a signal indicating that registering the detected face image is completed open the gate to allow the authentication subject to enter the inside of the facility,
wherein the method further comprises:
capturing the plurality of images at a predetermined cycle,
acquiring the plurality of images in synchronization with the predetermined cycle, and
detecting, as the plurality of detected face images, the face image from the plurality of images acquired in synchronization with the predetermined cycle.