Method, device and system for tracking potential infected persons in public place during epidemic period

US12424336B2 · kind B2 · utility

Assignee

• THE SECOND RESEARCH INSTITUTE OF CAAC · CN

Inventors

• Qian Luo · Ningbo City, CN
• Wanli Dang · Chengdu, CN
• Xiao Luo · Hubei, CN
• Rui Deng · Beijing, CN
• Long Geng · Chengdu, CN
• Ye Pan · Shanghai, CN
• Zaoxin Chen · Chengdu, CN
• Ergai Yu · Chengdu, CN

Key dates

• Filing date: Nov 3, 2022
• Grant date: Sep 23, 2025
• Expiry date: Nov 8, 2043

Classification

• Technology area (CPC G): Physics
• CPC primary: G16H40/67
• WIPO field: Medical technology
• WIPO sector: Instruments

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.