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

Claim 0:
1. A face recognition system comprising:
a gate configured to allow an authentication subject to enter an inside of a facility;
a reader configured to read first identification information from a medium carried by the authentication subject, the reader being installed in the gate;
an image capturer configured to capture a plurality of images;
a server that stores a face image and second identification information in association with each other;
a memory comprising instructions; and
one or more processors configured to execute the instructions to:
control the image capturer to capture the plurality of images before the reader reads the first identification information;
detect, as a plurality of detected face images, a face image from the plurality of images captured by the image capturer;
determine if a face image associated with identification information that corresponds to the read first identification information has been already registered in the server;
match the plurality of detected face images with a registered face image, the detected face image captured before the reader reads the first identification information;
when there is no registered face image associated with the first identification information in the 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 one or more processors is further configured to execute the instructions to:
capture the plurality of images at a predetermined cycle,
acquire the plurality of images in synchronization with the predetermined cycle, and
detect, as the plurality of detected face images, the face image from the plurality of images acquired in synchronization with the predetermined cycle.