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Low-dosage digital X-ray image shelter

An X-ray, low-dose technology, which is applied in image enhancement, image analysis, projection reconstruction, etc., can solve problems such as unsatisfactory reconstruction effects, and achieve the effect of reducing time and transportation costs

Active Publication Date: 2017-05-31
SUZHOU INST OF BIOMEDICAL ENG & TECH CHINESE ACADEMY OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The present invention mainly solves the problem of unsatisfactory reconstruction effect caused by under-sampling by using compressed sensing theory, and provides a method for low-dose CT imaging, thereby reducing the radiation dose received by patients in CT examination as much as possible

Method used

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Examples

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Embodiment Construction

[0047] Such as image 3 As shown, the processing device 1 of this embodiment is connected to an endoscope 2 (scope body), a light source device 3, a display device 4, and an X-ray device 5. The imaging unit 21 that generates the image signal of the endoscope by photographing the inside of the body, the light source device 3 generates the illumination light L and supplies it to the front end of the endoscope 2 through the optical cable 22, and the display device 4 is composed of liquid crystal or organic The X-ray device 5 generates X-ray image signals, and the processing device 1 performs predetermined image processing on the endoscope image signals input from the endoscope 2 and also Predetermined image processing is performed on the X-ray image signal input from the X-ray device 5, and an image corresponding to a synthesized image signal in which the image-processed endoscopic image signal and the X-ray signals are synthesized. The processing device 1 displays, on the disp...

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Abstract

The invention discloses a low-dosage digital X-ray image shelter and relates to a three-dimensional CT (computed tomography) image reconstruction model based on compressed sensing. Temporal and spatial continuous signals may be converted into a group of temporal and spatial discrete numerical sequences by sampling, sampling is carried out by Nyquist-Shannon sampling theorem, and all information in an original signal can be retained when sampling frequency is twice (5-10 times in practical application) as high as the highest frequency of the original signal. Through compressed sensing technology, sampling frequency can be reduced as far as possible to reduce irradiation dosage, at the premise of ensuring CT reconstruction quality.

Description

technical field [0001] The invention relates to a medical device, more specifically, the invention relates to a low-dose digital X-ray imaging shelter. Background technique [0002] The brutality of modern wars, the particularity of military missions, and the frequent occurrence of disaster relief have put forward higher requirements for the rapid treatment of the wounded and sick. At present, our military's medical support units at all levels must rely on new equipment to provide fast and safe treatment. In order to achieve such capabilities in wartime or non-military mission medical support, the most urgent task is to make the new generation of medical support "seamlessly linked" with actual combat support needs. In recent years, the digitization and informatization level of our army's medical equipment system has been continuously improved, and a number of advanced medical equipment such as field shelters, hospital ships, and train hospitals have come out one after anoth...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B6/03B60P3/00B29C64/386B29L31/00B22F3/105G06T11/00
CPCG06T11/005A61B6/032A61B6/4085A61B6/4411A61B6/5211B60P3/00G06T2207/10081B29L2031/7532B22F10/00B22F10/12B22F12/90B22F10/18B22F10/31B22F10/28Y02P10/25
Inventor 高欣梁志远
Owner SUZHOU INST OF BIOMEDICAL ENG & TECH CHINESE ACADEMY OF SCI
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