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Anti-lost early warning method and device and storage medium

An early warning device and anti-lost technology, which is applied to alarms, instruments, character and pattern recognition, etc., can solve the problems of vulnerable people who are easy to get lost, and achieve the effect of preventing lost people

Active Publication Date: 2020-06-16
ZHEJIANG DAHUA TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The invention provides a method for early warning of loss prevention, which is used to solve the technical problem in the prior art that vulnerable people are easily lost in densely populated places

Method used

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  • Anti-lost early warning method and device and storage medium

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Embodiment Construction

[0075] Embodiments of the present invention provide a method, device, and storage medium for anti-lost early warning, so as to solve the technical problem in the prior art that vulnerable people are easily lost in densely populated places.

[0076] The technical solution in the embodiment of the present application is to solve the above-mentioned technical problems, and the general idea is as follows:

[0077] An early warning method for preventing loss is provided, including: based on the physical characteristics of a set type of people, determining the easily lost person from the first image collected at the set position; wherein, the easily lost person has the physical characteristics; obtaining the first The distance between the easily lost person and other personnel in the image is obtained as the first distance set; with the easily lost person as the center of the circle, all personnel within the set radius are determined from the first distance set to obtain the set of p...

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Abstract

The invention discloses an anti-lost early warning method and device and a storage medium, thereby solving a technical problem that the vulnerable personnel is easy to lose in the prior art. The method comprises the following steps: determining the vulnerable personnel from a first image acquired from a set position based on physical characteristics of a set type of crowd; acquiring distances between the vulnerable personnel in the first image and other persons, and obtaining a first distance set; determining all people in a set radius range from the first distance set, and obtaining a to-be-bound personnel set; determining a binding person bound with the vulnerable personnel based on the distance between the vulnerable personnel and each to-be-bound person and the phase duration of the vulnerable personnel and each to-be-bound person; according to a preset time interval, monitoring the distance between the binding person and the vulnerable personnel and the movement tracks , and whenthe distance and the movement track exceed a set early warning range, determining that the vulnerable personnel is lost; and giving an alarm for the vulnerable personnel.

Description

technical field [0001] The present invention relates to the security field, in particular to a method, device and storage medium for early warning of loss prevention. Background technique [0002] As people travel more and more conveniently, densely populated places such as railway stations, airports, subway stations, supermarkets, etc. are often high-risk areas for vulnerable groups such as children and the elderly. [0003] In the prior art, family members, relatives and friends, and the police usually help to find vulnerable persons after they are lost, but it is difficult to find them quickly due to the late discovery. [0004] In view of this, how to prevent vulnerable people from getting lost in crowded places has become an urgent technical problem to be solved. Contents of the invention [0005] The invention provides a method for early warning of loss prevention, which is used to solve the technical problem in the prior art that vulnerable people are easily lost i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G08B21/02G06K9/00
CPCG08B21/0233G06V20/41
Inventor 许妍陈伟
Owner ZHEJIANG DAHUA TECH CO LTD
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