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CT imaging system and method for medical test of human body

A CT imaging and human body technology, applied in the field of medical imaging, can solve the problem that raster scanning does not meet the simple and fast requirements of medical imaging, and achieve the effect of simple method, high resolution and less projection data

Inactive Publication Date: 2015-07-08
INST OF HIGH ENERGY PHYSICS CHINESE ACAD OF SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] At present, the use of raster scanning to extract phase information and scattering information is the mainstream of international development. However, the raster scanning method does not meet the simple and fast requirements of medical imaging.

Method used

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  • CT imaging system and method for medical test of human body
  • CT imaging system and method for medical test of human body
  • CT imaging system and method for medical test of human body

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Embodiment Construction

[0032] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Elements and features described in one drawing or one embodiment of the present invention may be combined with elements and features shown in one or more other drawings or embodiments. It should be noted that representation and description of components and processes that are not related to the present invention and known to those of ordinary skill in the art are omitted from the drawings and descriptions for the purpose of clarity. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the ar...

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Abstract

The invention provides a grating shearing three-dimensional imaging system and a grating shearing three dimensional imaging method. The imaging system comprises a light source device for generating a multi-seam light source, a beam splitting grating for splitting light beam into a one dimensional light beam array, a sample table for bearing and fixing as well as rotating a sample, an analysis grating for generating different light intensity backgrounds as well as enhancing or inhibiting a refractive signal or scattered signal of the sample, and a detector for detecting the change of the background and space position of the light intensity and collecting the projection data of the sample under different light intensity backgrounds. The grating shearing three dimensional imaging device can fast collect image data, is high in density resolution ratio, and high in density nonuniformity resolution rate, and meets the application demands on aspects such as medical detection, safety examination and industrial detection.

Description

technical field [0001] The invention relates to the technical field of medical imaging, in particular to a CT imaging system and method for human medical detection. Background technique [0002] Roentgen discovered X-rays in 1895 and was awarded the first Nobel Prize in Physics on December 10, 1901. The widely circulated X-ray photos of Mrs. Roentgen's hand reveal that X-rays have strong penetrating power, indicating that X-rays can be directly imaged to see the internal structure of the sample. This imaging mechanism based on the difference in X-ray absorption by substances was widely used in human medical imaging in the 1950s, and began to be used in three-dimensional imaging of the human body in the 1980s. Although this imaging technology based on the X-ray absorption mechanism can obtain images with sufficiently high contrast (that is, contrast) when observing objects composed of heavy elements, it can only obtain blurred images when observing objects composed of light ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B6/03G03B42/02
Inventor 朱佩平张凯袁清习黄万霞洪友丽
Owner INST OF HIGH ENERGY PHYSICS CHINESE ACAD OF SCI
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