X-ray positioning detection device and positioning detection method
A detection device and detection method technology, applied in the field of X-ray imaging, can solve problems such as the inability to locate and detect X-ray sources, and achieve the effect of avoiding overall rework and facilitating adjustment
Inactive Publication Date: 2013-12-04
THE THIRD RES INST OF MIN OF PUBLIC SECURITY
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- Abstract
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Problems solved by technology
[0006] The present invention aims at the problem that the existing X-ray imaging system cannot perform precise positioning detection on the installed X-ray source when the X-ray source is installed, and provides an X-ray positioning detection device
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[0034] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific illustrations.
[0035] In this example, the solution of the present invention is specifically described by using the positioning detection process of the back-scattered perspective luggage inspection instrument.
[0036] see figure 1 and figure 2 , which shows a schematic view of the backscattered perspective luggage inspection instrument along the X-ray short axis direction and long axis direction. A common back-scattered perspective luggage inspection instrument mainly includes a light source 1, a conveyor belt 2, a detector 3, and a shielding room 4. The specific composition of the inspection instrument is well known to those skilled in the art, and will not be repeated here.
[0037] It can be seen from the figure that the light intensity distribution em...
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Abstract
The invention discloses an X-ray positioning detection device and a positioning detection method. According to the invention, X-ray radiates at a plurality of detection points to which the center position of the detection device corresponds; corresponding X-ray images are formed in the same comparison sheet on the plurality of detection points; the formed images in the same comparison sheet of the plurality of detection points are judged for same position and symmetrical images, so that the plurality of detection points are judged for the plurality of detection points to be in the same plane, and the X-ray positioning detection is completed. Through utilizing the scheme provided by the invention, in the mounting process of the X-ray source in the assembly of the X-ray imaging system, the problem regarding to the mounting of the X-ray source can be found timely and then solved for timely and accurate regulation, and later overall rework can be prevented.
Description
technical field [0001] The invention relates to X-ray imaging technology, in particular to X-ray positioning detection technology in an X-ray imaging system. Background technique [0002] X-ray imaging technology has been widely used not only in the medical field but also in other industrial fields, such as the field of security inspection, anti-drug field and so on. The X imaging process is that the X beam is irradiated on the object to be imaged, and the transmitted X-ray or scattered X-ray is received by the detector. The detector converts these light signals into visible fluorescent signals, and then converts them into images after amplification processing. signal, output on the display. [0003] Since X-rays are invisible light, the beam emission direction or the emission imaging process cannot intuitively judge the specific spot position, shape, etc. During the process of emitting the light spot to receiving by the detector, if the position of the light-emitting poin...
Claims
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Login to View More IPC IPC(8): G01N23/04A61B6/08A61B6/00
Inventor 温亚珍丁志平沈天明陈嘉敏李维姣常青青
Owner THE THIRD RES INST OF MIN OF PUBLIC SECURITY