US 12,283,091 B2
Image classification device and method
Sota Komatsu, Tokyo (JP); Masayoshi Ishikawa, Tokyo (JP); Fumihiro Bekku, Tokyo (JP); and Takefumi Kakinuma, Tokyo (JP)
Assigned to Hitachi High-Tech Corporation, Tokyo (JP)
Appl. No. 17/793,832
Filed by Hitachi High-Tech Corporation, Tokyo (JP)
PCT Filed Nov. 6, 2020, PCT No. PCT/JP2020/041530
§ 371(c)(1), (2) Date Jul. 19, 2022,
PCT Pub. No. WO2021/161595, PCT Pub. Date Aug. 19, 2021.
Claims priority of application No. 2020-021469 (JP), filed on Feb. 12, 2020.
Prior Publication US 2023/0058441 A1, Feb. 23, 2023
Int. Cl. G06V 10/774 (2022.01); G06T 7/11 (2017.01); G06V 10/762 (2022.01); G06V 10/764 (2022.01); G06V 10/778 (2022.01)
CPC G06V 10/774 (2022.01) [G06T 7/11 (2017.01); G06V 10/762 (2022.01); G06V 10/764 (2022.01); G06V 10/7788 (2022.01)] 11 Claims
OG exemplary drawing
 
11. An image classification method for performing image classification using images of a classification target class that include teaching information, and images of a non-classification target class to which the teaching information is not assigned, the image classification method comprising:
extracting features for images of an image group belonging to the classification target class and an image group belonging to the non-classification target class, clustering the features of the images for the image group belonging to the non-classification target class, and dividing the image group into subclasses.