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Detecting concealed threats

A dangerous and object-oriented technology, applied in the direction of measuring devices, nuclear radiation exploration, geophysical measurement, etc., can solve problems such as increasing time

Inactive Publication Date: 2011-09-28
ANLOGIC CORP (US)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The process of removing an item (such as a laptop) from luggage and thus scanning and checking two separate items increases the time required to go through an airport's security checkpoint

Method used

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  • Detecting concealed threats
  • Detecting concealed threats
  • Detecting concealed threats

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Embodiment Construction

[0024] The claimed subject matter is now described with reference to the drawings, wherein like reference numerals are used to indicate like elements throughout. In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a detailed understanding of claimed subject matter. It may be evident, however, that the claimed subject matter may be practiced without these specific details. In other instances, structures and devices are shown in block diagram form to help describe claimed subject matter.

[0025] Provided herein are systems and techniques that use images generated by imaging devices, such as CT scanners, to help identify potentially dangerous objects hidden by electronic devices placed on security stations at airports. That is, in one embodiment, techniques and systems are provided for identifying potentially dangerous objects hidden in electronic devices placed in containers without requiring the electronic dev...

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Abstract

Potential threat items may be concealed inside objects, such as portable electronic devices, that are subject to imaging, for example, at a security checkpoint. Data from an imaged object can be compared to pre-determined object data to determine a class for the imaged object. Further, an object can be identified inside a container (e.g., a laptop inside luggage). One-dimensional Eigen projections can be used to partition the imaged object into partitions, and feature vectors from the partitions and the object image data can be used to generate layout feature vectors. One or more layout feature vectors can be compared to training data for threat versus non-threat-containing items from the imaged object's class to determine if the imaged object contains a potential threat item.

Description

Background technique [0001] Security in airports and other travel-related areas is an important issue in view of the current socio-political climate, among other considerations. One technique used to improve travel security is through package inspection. In some cases, bags are inspected visually and / or manually by screeners. In other cases, luggage and other items are initially imaged using some type of imaging device and then further inspected by other methods, such as manual inspection, if desired. For example, an x-ray line scanner may be used to provide a screener with one or more substantially two-dimensional views of the contents of the package, or a computed tomography (CT) scanner may be used to provide a two-dimensional view of the package being scanned. or a three-dimensional view of the reconstructed image. [0002] Currently, a large number of data manipulations are performed on sets of two-dimensional and / or three-dimensional images of an object, such as lugga...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/00G01V5/00
CPCG06K9/00771G06K2209/09G06K9/6247G06V20/52G06V2201/05G06V10/7715G06F18/213G01V5/20G06F18/2135
Inventor 洪保明朱利亚·帕夫洛维奇戴维·谢弗应峥嵘
Owner ANLOGIC CORP (US)