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Person missing early warning method, device, system and server

A technology of personnel and early warning information, applied in the field of video surveillance, can solve problems such as failure to early warning, and achieve the effect of increasing the scope of application

Active Publication Date: 2021-09-17
HANGZHOU HIKVISION SYST TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, by using the above method, it can only give an early warning when the person under guardianship walks out of the exit, and cannot give an early warning for the situation that the person is lost in the place.

Method used

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  • Person missing early warning method, device, system and server
  • Person missing early warning method, device, system and server
  • Person missing early warning method, device, system and server

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Embodiment Construction

[0115] The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0116] First, the nouns in the embodiments of the present application are explained:

[0117] Face recognition: It is a biometric technology for identification based on human facial feature information. A series of related technologies that use a video camera or camera to collect images or video streams containing human faces, automatically detect and track human faces in the images, and then perform facial recognition on detected faces, usually also called portrait recognition or f...

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PUM

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Abstract

The embodiment of the present application provides a method, device, system, and server for early warning of missing persons. The method includes: obtaining information on the target person included in the monitoring image of the monitoring area; , to determine the target personnel group where the target personnel is located; according to the location information and time information of the target personnel, it is judged whether there are other personnel in the target personnel group except the target personnel appearing at the designated position within the preset time; If there is no other person in the specified location, judge whether the target person is lost according to the emotional information of the target person; if the target person is lost, generate a missing early warning information for the target person. The early warning method for lost persons in the embodiment of the present application judges whether the target person is lost by detecting the distance between the target person and other persons and the emotional information of the target person, which can be applied to the determination of the lost situation in the scene.

Description

technical field [0001] The present application relates to the technical field of video surveillance, in particular to a method, device, system and server for early warning of lost persons. Background technique [0002] In public places such as tourist attractions or large shopping malls, due to factors such as large tourist area, large tourist population, and complex terrain and environment, people are often lost. [0003] In the related technology, an identification tag with identifiable information is placed on the ward; the guardian's mobile device is associated with the identification tag; an identification tag detection terminal is placed at the exit of the monitoring site; the tag detection terminal detects the exit within a certain distance at a fixed interval. The appearance of the identification tag within the range; count the number of occurrences of the identification tag within a set period of time within the range; if the number exceeds a set value, the label de...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G08B21/22G08B21/24G08B21/02G08B21/04G06K9/00
CPCG08B21/22G08B21/02G08B21/24G08B21/0266G08B21/0407G08B21/0453G06V40/16
Inventor 卢再军钟国建
Owner HANGZHOU HIKVISION SYST TECH