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Security inspection method and device

A technology for security checks and security checkpoints, applied in image enhancement, image analysis, instruments, etc., can solve the problems of low accuracy of security check results, achieve the effects of improving efficiency, simple matching methods, and improving accuracy

Active Publication Date: 2019-10-08
ZHEJIANG DAHUA TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] It can be seen that in the current safety inspection method, only X-ray images are used for safety inspection, and the accuracy of the safety inspection results is low.

Method used

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  • Security inspection method and device
  • Security inspection method and device

Examples

Experimental program
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example

[0119] The specific instance segmentation method is as follows:

[0120] Determine the probability that each pixel in the fused image belongs to a line bag pixel, and obtain a set of pixels used to belong to a line bag pixel in the fused image;

[0121] According to the set of pixels used to characterize the bag in the fused image, the bag-carrying portrait and the bag image are obtained.

[0122] Specifically, this method is similar to the aforementioned second method of obtaining the visible light image of the person currently carrying the luggage. The safety inspection device 150 first determines the probability that each pixel of the fused image belongs to the luggage pixel, the probability that it belongs to the bag carrier pixel, and the pixel corresponds to the target type with the highest probability, and determines it as the target type corresponding to the pixel. A set of pixel points belonging to the bag is obtained, and the set of pixel points is divided to obtain...

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Abstract

The invention provides a security check method and device, which is used for improving the accuracy of a security check result. The method comprises the following steps of capturing in real time to obtain a visible light image of a packet carrier carrying a packet currently at a security inspection place, and segmenting the visible light image to obtain a portrait and a packet image of the packetcarrier; obtaining a transillumination image of the luggage passing through a security inspection machine in real time; matching the transillumination image with the luggage image, and establishing acorresponding relationship among the transillumination image, the luggage image and the portrait of the luggage carrier; and if it is determined that the portrait of the packet carrier is matched witha preset list, sending out the first warning prompt according to the corresponding relationship.

Description

technical field [0001] The present application relates to the technical field of security inspection, in particular to a method and device for security inspection. Background technique [0002] Security inspection, referred to as security inspection, refers to the inspection of the bag carrier and the bag of the bag carrier to determine whether there are contraband in the bag carrier. Security checks are often used in places with a large flow of people, such as railway stations, airports, and subway entrances. The current security check method is generally as follows: [0003] A radioactive security inspection machine (such as an X security inspection machine) is set above the security inspection conveyor belt. When the bag passes through the security inspection conveyor belt, the X security inspection machine scans the X-ray image of the bag, and the security personnel determine the behavior of the person carrying the bag through the X-ray image. Whether to carry contraba...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/20G06K9/62G06N3/04G06T5/50G06T7/11
CPCG06T7/11G06T5/50G06V10/143G06N3/045G06F18/22G06F18/214
Inventor 付建海熊剑平
Owner ZHEJIANG DAHUA TECH CO LTD
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