US 12,333,848 B2
Information processing system, information processing apparatus, information processing method, and recording medium
Takaaki Sonobe, Tokyo (JP); and Akira Hirokawa, Tokyo (JP)
Assigned to NEC CORPORATION, Tokyo (JP)
Appl. No. 18/697,055
Filed by NEC Corporation, Tokyo (JP)
PCT Filed Oct. 4, 2021, PCT No. PCT/JP2021/036650
§ 371(c)(1), (2) Date Mar. 29, 2024,
PCT Pub. No. WO2023/058091, PCT Pub. Date Apr. 13, 2023.
Prior Publication US 2024/0404316 A1, Dec. 5, 2024
Int. Cl. G06V 40/12 (2022.01); G06V 10/774 (2022.01)
CPC G06V 40/1359 (2022.01) [G06V 10/774 (2022.01)] 9 Claims
OG exemplary drawing
 
1. An information processing system comprising:
at least one memory that is configured to store instructions; and
at least one processor that is configured to execute the instructions to
first area information indicating a clear zone in which a feature quantity of a ridge in a ridge image can be extracted, and second area information indicating an unclear zone that is an area other than the clear zone, in association with each of a plurality of ridge images;
extract third area information indicating the clear zone, and fourth area information indicating the unclear zone, from the ridge image;
calculate a first score based on the first area information and the second area information, and a second score based on the third area information and the fourth area information; and
select the ridge image to be used for machine learning of the extraction unit, on the basis of the first score and the second score.