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Human body back scattering inspection method and system

An inspection method and inspection system technology, which is applied in the field of nuclear technology inspection, can solve problems such as not having the function of radioactive material inspection, and achieve the effect of improving efficiency

Active Publication Date: 2015-08-26
TSINGHUA UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] At present, X-ray backscatter imaging equipment at home and abroad has been widely used in airports, customs and other important fields, but it does not have the function of inspecting radioactive substances

Method used

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  • Human body back scattering inspection method and system
  • Human body back scattering inspection method and system
  • Human body back scattering inspection method and system

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Embodiment Construction

[0028] Specific embodiments of the present invention will be described in detail below, and it should be noted that the embodiments described here are only for illustration, not for limiting the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. It will be apparent, however, to one of ordinary skill in the art that these specific details need not be employed to practice the present invention. In other instances, well-known circuits, materials or methods have not been described in detail in order to avoid obscuring the present invention.

[0029] Throughout this specification, reference to "one embodiment," "an embodiment," "an example," or "example" means that a particular feature, structure, or characteristic described in connection with the embodiment or example is included in the present invention. In at least one embodiment. Thus, appearances of the phrases "in on...

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Abstract

A human body back-scattering inspection method and system are discloses. The method includes: obtaining a back-scattering scan image of a human body under inspection; distinguishing a body image from a background image in the back-scattering scan image; and calculating a feature parameter of the background image to determine whether radioactive substance is carried with the human body. With some embodiments of the present disclosure, it is possible to determine whether any radioactive substance is carried with a human body during back-scattering inspection of the human body. In further embodiments of the present disclosure, it is possible to approximately determine which part(s) of the human body carries the radioactive substance. This improves efficiency of inspection.

Description

technical field [0001] The embodiments of the present invention relate to the field of nuclear technology detection, in particular to a human body backscatter inspection method and system applied to human body security inspection and radioactive material detection. Background technique [0002] X-ray backscatter imaging technology is one of the main technologies in the field of human security inspection. The human body is scanned by X-rays, and a large-area detector is used to receive the backscattered signal. After data and image processing, the scanned image of the scattered object can be obtained. [0003] In addition to guns, knives, explosives, drugs and other prohibited goods, radioactive sources and radioactive substances are also one of the dangerous goods that the human body may carry, and special radioactive substance detection equipment is usually required to detect them. [0004] At present, X-ray backscatter imaging equipment at home and abroad has been widely ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N23/203
CPCG01V5/0091G01N23/203G01T1/167G01V5/0025G01V5/222G01V5/281
Inventor 陈志强赵自然李元景吴万龙阮明张丽金颖康唐乐丁先利朱晨光
Owner TSINGHUA UNIV
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