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:
May. 26, 2020
Filed:
Apr. 18, 2017
Canon Kabushiki Kaisha, Tokyo, JP;
Hirotaka Shiiyama, Yokohama, JP;
Masahiro Matsushita, Yokohama, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
A first retriever performs, based on a person feature of a person extracted from a video image before an acceptance time point of a retrieval instruction of a target person and stored and a feature extracted from the target person related to the retrieval instruction, a first retrieving process of retrieving the target person from the video image stored, a second retriever performs, based on a feature of a person extracted from a video image after the acceptance time point and the feature of the target person extracted from a query image of the retrieval instruction, a second retrieving process of retrieving the target person from the video image input after the acceptance time point, and the first retriever performs the first retrieving process to the video image input during a period from the acceptance time point to preparation completion of the second retrieving process and second retrieving process start.