Patent ID: 11972638
Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 3:
4. The method according to claim 1, wherein the determining a difference image according to the first face image and the second face image comprises:
identifying a face central region of the first face image to obtain a first face central region image, and identifying a face central region of the second face image to obtain a second face central region image;
performing image difference processing on the first face central region image and the second face central region image to obtain a first difference image between the face central regions;
identifying a face local organ region of the first face image to obtain a first face local organ region image, and identifying a face local organ region of the second face image to obtain a second face local organ region image; and
performing image difference processing on the first face local organ region image and the second face local organ region image to obtain a second difference image between the face local organ regions.