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.
Patent No.:
Date of Patent:
Dec. 16, 2025
Filed:
Oct. 30, 2020
Applicant:
Nec Corporation, Tokyo, JP;
Inventor:
Takuya Ogawa, Tokyo, JP;
Assignee:
NEC CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06T 7/246 (2017.01);
U.S. Cl.
CPC ...
G06T 7/248 (2017.01);
Abstract
In an object tracking device, an extraction means extracts target candidates from time series images. A search range update means updates a search range based on frame information of a target in a previous image in a time series and movement information of the target. A tracking means searches for and tracks the target using a confidence level indicating similarity with a target model, from among the target candidates extracted in the search range. A model update means updates the target model using the target candidates extracted in the search range.