US 12,424,015 B2
Image processing apparatus and method for recognizing state of subject
Shunsuke Sato, Kanagawa (JP); and Koichi Takeuchi, Kanagawa (JP)
Assigned to Canon Kabushiki Kaisha, Tokyo (JP)
Filed by CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed on Oct. 19, 2021, as Appl. No. 17/505,416.
Application 17/505,416 is a continuation of application No. PCT/JP2020/012840, filed on Mar. 24, 2020.
Claims priority of application No. 2019-080893 (JP), filed on Apr. 22, 2019.
Prior Publication US 2022/0036056 A1, Feb. 3, 2022
Int. Cl. G06K 9/00 (2022.01); G06F 18/2415 (2023.01); G06F 18/2431 (2023.01); G06N 7/01 (2023.01); G06T 7/246 (2017.01); G06T 7/70 (2017.01); G06V 10/46 (2022.01); G06V 10/98 (2022.01); G06V 40/10 (2022.01)
CPC G06V 40/10 (2022.01) [G06F 18/2415 (2023.01); G06F 18/2431 (2023.01); G06N 7/01 (2023.01); G06T 7/248 (2017.01); G06T 7/70 (2017.01); G06V 10/462 (2022.01); G06V 10/98 (2022.01)] 19 Claims
OG exemplary drawing
 
1. An image processing apparatus comprising: a memory storing instructions; and at least one processor configured to execute the instructions to; detect a plurality of predetermined parts of a subject from an image; estimate a cause of failed detection if any of the plurality of predetermined parts is not detected in a result of the detection made; determine a state of the subject based on a part detected and the cause estimated; extract a feature quantity of the subject based on the part detected; classify the feature quantity into one of a plurality of categories based on the state determined; and recognize a characteristic of the subject based on a result of the classification performed.