The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Aug. 27, 2024

Filed:

Jun. 14, 2021
Applicant:

Hitachi, Ltd., Tokyo, JP;

Inventors:

Martin Klinkigt, Tokyo, JP;

Mohit Chhabra, Tokyo, JP;

Junichi Kimura, Tokyo, JP;

Tomokazu Murakami, Tokyo, JP;

Assignee:

HITACHI, LTD., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06V 40/20 (2022.01); G06F 18/214 (2023.01); G06N 3/08 (2023.01); G06V 10/84 (2022.01); G06V 20/40 (2022.01); G06V 20/52 (2022.01);
U.S. Cl.
CPC ...
G06V 40/20 (2022.01); G06F 18/214 (2023.01); G06N 3/08 (2013.01); G06V 10/85 (2022.01); G06V 20/41 (2022.01); G06V 20/52 (2022.01); G06V 20/44 (2022.01);
Abstract

An object of the disclosure is to provide flexible and highly accurate activity detection means. Provided is an activity detection device including: an input unit that inputs an image sequence including a first image and a second image; an object detection unit that detects a first object in the image sequence; a component model unit that generates first characteristic information characterizing the first object and includes at least one individually trainable component model; and an activity detection unit that generates a first object state corresponding to the first object in the first image and a second object state corresponding to the first object in the second image based on the first characteristic information and determines an activity related to the first object based on the first and second object states.


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