Patent ID: 11971952
Assignee: NEC CORPORATION
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 0:
1. An information processing apparatus comprising:
at least one memory configured to store instructions; and
at least one processor configured to execute the instructions to:
receive, from an operator, an operation for selecting a retrieval target person from among persons included in second images, the second images not including a face of the retrieval target person;
extract target person feature information from the retrieval target person included in the second images;
extract first feature information from a person included in a first image, the first image different than the second images, and the first feature information including a region other than a face of the person included in the first image;
perform a first collation process of collating the first feature information extracted with the target person feature information to acquire a first collation result;
extract second feature information from the person included in the first image in a case where the first collation result indicates a match, the second feature information being face feature information and being different from the first feature information and the target person feature information; and
store the second feature information in a first storage.