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Object inspecting system

A technology for inspection systems and items, applied in the field of CT imaging devices and DR imaging devices, can solve the problems of reducing the technical performance of explosives inspection systems and image deformation

Active Publication Date: 2014-05-14
NUCTECH JIANGSU CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But in this case, it means that the same item is scanned by DR at different speeds. If no control is carried out, the resulting image will be deformed (such as figure 2 shown), while reducing the technical performance of the explosives detection system

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Embodiment Construction

[0023] The technical solutions of the present invention will be further specifically described below through the embodiments and in conjunction with the accompanying drawings. In the specification, the same or similar reference numerals designate the same or similar components. The following description of the embodiments of the present invention with reference to the accompanying drawings is intended to explain the general inventive concept of the present invention, but should not be construed as a limitation of the present invention.

[0024] As mentioned above, the image formed by scanning the same item in the trigger mode with equal time intervals at different speeds will be deformed (such as figure 2 shown). Therefore, it is still difficult to solve the problem of image distortion when DR and CT scanning are performed simultaneously on an item in the prior art.

[0025] Considering the above problems, the present invention proposes an item inspection system 100, which m...

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Abstract

The invention discloses an object inspecting system, which comprises a transmission path; a digital radiography (DR) imaging device arranged along the transmission path, a CT imaging device arranged along the transmission path and at an upstream or a downstream of the DR imaging device, an upstream detector arranged before the upstream imaging device for judging whether the object front end passes; and a detector C arranged at a predetermined distance before the downstream imaging device for detecting whether the object front end passes; wherein the DR imaging device is provided with a DR data acquisition trigger module for triggering the DR data imaging device to collect data; the CT data imaging device includes a CT data acquisition trigger module for triggering the CT imaging device to collect data; and a speed of the transmission path is controlled so that an average speed of the object passing the DR imaging device is larger than that of the object passing the imaging device.

Description

[0001] This application is a divisional application of the patent application with the application number 200910088630.8, the application date is June 30, 2009, and the invention title is "article inspection system, DR imaging system and CT imaging system". technical field [0002] The present invention relates to an item inspection system, wherein the item inspection system includes a CT imaging device and a DR imaging device. The invention also relates to a DR imaging device and a CT imaging device. Background technique [0003] Among the numerous explosives inspection methods, the CT-type explosives inspection system has become the main block explosives inspection method in the field of aviation security inspection due to its low false alarm rate and false negative rate. However, traditional CT products are bulky and expensive, and their development is greatly restricted. [0004] In recent years, improved CT-type explosive inspection systems have been proposed, which ar...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N23/04
Inventor 彭华张金宇宋全伟
Owner NUCTECH JIANGSU CO LTD