US 11,989,227 B2
Image search system, image search method, and program
Shoji Nishimura, Tokyo (JP); and Tingting Dong, Tokyo (JP)
Assigned to NEC CORPORATION, Tokyo (JP)
Appl. No. 17/273,068
Filed by NEC Corporation, Tokyo (JP)
PCT Filed Sep. 5, 2019, PCT No. PCT/JP2019/034928
§ 371(c)(1), (2) Date Mar. 3, 2021,
PCT Pub. No. WO2020/050354, PCT Pub. Date Mar. 12, 2020.
Claims priority of application No. 2018-165643 (JP), filed on Sep. 5, 2018.
Prior Publication US 2021/0342390 A1, Nov. 4, 2021
Int. Cl. G06F 16/583 (2019.01); G06F 3/04842 (2022.01); G06F 16/532 (2019.01); G06F 16/538 (2019.01); G06T 7/90 (2017.01); G06V 10/56 (2022.01)
CPC G06F 16/583 (2019.01) [G06F 3/04842 (2013.01); G06F 16/532 (2019.01); G06F 16/538 (2019.01); G06F 16/5838 (2019.01); G06T 7/90 (2017.01); G06V 10/56 (2022.01)] 16 Claims
OG exemplary drawing
 
1. An image search system, comprising:
at least one memory configured to store instructions; and
at least one processor configured to execute the instructions to perform operations comprising:
acquiring color specifying information indicating a plurality of colors and reference information indicating a reference of proportions of the plurality of colors in an image area of an image;
correcting the plurality of colors associated with the color specifying information by using preset information determined according to a generation condition of the image;
acquiring specified color proportion information indicating the proportions of the plurality of colors associated with the color specifying information after correction by the preset information; and
identifying whether the image is a search target image, based on the specified color proportion information and the reference information.