Patent ID: 11928181
Assignee: NEC CORPORATION
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 9:
10. A non-transitory computer readable storage medium storing a program executable by a computer to perform:
performing a first collation process of collating first feature information extracted from a person included in a first image with first feature information indicating a feature of a retrieval target person to acquire a first collation result;
extracting second feature information from the person included in the first image in a case where the first collation result indicates a match; and
storing, in a first storage device, the second feature information extracted from the person included in the first image,
wherein the first feature information of the retrieval target person is generated by using a second image which is different from the first image, and a face of the retrieval target person is not captured in the second image.