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Method of inspecting equipment and inspecting containers

A technology for inspection equipment and containers, which is applied in material analysis using radiation, material analysis using wave/particle radiation, measuring devices, etc. It can solve the problems of no published literature, lack of effective means for detection problems, etc., and achieve the efficiency of submitting inspections. Effect

Active Publication Date: 2020-09-11
NUCTECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, under the condition that the automatic detection methods are not yet perfect, the non-specific category detection problem of "entrainment" lacks relevant and effective means, and there is no targeted public literature at present

Method used

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  • Method of inspecting equipment and inspecting containers
  • Method of inspecting equipment and inspecting containers
  • Method of inspecting equipment and inspecting containers

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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 structures, 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 ...

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PUM

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Abstract

A method and inspection device for inspecting a container are disclosed. Carry out X-ray scanning on the inspected container to obtain the scanned image. The scanned image is processed to obtain the region of interest. The features of the texture units included in the region of interest are computed. Based on the features of the texture unit, a local description of the texture unit is formed. The saliency of each local point is calculated from the local description of each texture unit, so as to obtain the local saliency map of the region of interest. Use the local saliency map to determine whether the object under inspection contains inclusions.

Description

technical field [0001] The present disclosure relates to automatic detection of entrainment in radiation images, and in particular to a method and device for checking entrainment in a large-scale container scanning system. Background technique [0002] Entrainment detection is one of the basic purposes of container machine inspection. The purpose of obtaining illegal benefits by entraining undeclared goods or dangerous goods in containers is not only reflected in smuggling goods and causing government tax losses, but may also provide criminal organizations and terrorist organizations with contraband and affect social stability. Therefore, the importance of the entrainment problem is self-evident. [0003] Automatic detection is already the trend of current security technology development. Radiation imaging achieves the purpose of non-invasive inspection through perspective imaging of goods and luggage. At present, it has been widely used in airports, customs, stations, lar...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N23/04
CPCG01N23/04G01V5/22G01N23/046G01N2223/419G01N23/041
Inventor 李强顾建平徐斌刘耀红赵自然
Owner NUCTECH CO LTD