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:
Sep. 23, 2025
Filed:
Nov. 03, 2022
The Second Research Institure of Caac, Chengdu, CN;
Qian Luo, Chengdu, CN;
Wanli Dang, Chengdu, CN;
Xiao Luo, Chengdu, CN;
Rui Deng, Chengdu, CN;
Long Geng, Chengdu, CN;
Ye Pan, Chengdu, CN;
Zaoxin Chen, Chengdu, CN;
Ergai Yu, Chengdu, CN;
THE SECOND RESEARCH INSTITUTE OF CAAC, Chengdu, CN;
Abstract
Disclosed are a method, device and system for tracking potential infected persons in a public place during an epidemic period. The method comprises: determining, according to associated information of a confirmed case, times of motions of the confirmed case in a public place and matching location information; searching for potential infected persons by means of video frame data provided by video monitoring devices in the public place based on an epidemic propagation mechanism; and tracking the potential infected persons based on multi-target tracking, and verifying the identity of the potential infected persons according to critical time nodes in the public place.