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Auxiliary image segmentation device and system, imaging method, electronic equipment and medium

A technology for auxiliary images and imaging methods, which is applied in the fields of radiological diagnostic equipment control, medical science, and diaphragms for radiation diagnostics. It can solve problems such as increased scattered rays, patient reception, and physical and mental health damage, so as to improve imaging quality and facilitate integration. , low cost effect

Active Publication Date: 2021-11-12
SHANGHAI UNITED IMAGING HEALTHCARE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] 1. The field of the ionization chamber is not covered by the patient, resulting in a low dose, which makes the X-ray camera unable to penetrate all tissues. Thick tissues and tissues with a large specificity absorb all X-rays and cannot form images.
[0004] 2. The ionization chamber is just blocked by the patient's spine or high-attenuation objects, resulting in a large overall dose, resulting in increased scattered rays and increased image fog, which not only reduces image clarity, but also causes patients to receive unnecessary radiation. Unnecessary harm to physical and mental health
However, due to the physical characteristics of the flat panel detector and the ball tube, the gray scale of the flat panel detector will be uneven, such as figure 1 As shown, the grayscale on the left side of the figure reaches 13000, while the right side only has 4000. Due to the large difference in grayscale, the human body and background segmentation algorithm cannot correctly segment the thickness of the human body and human body parts.

Method used

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  • Auxiliary image segmentation device and system, imaging method, electronic equipment and medium
  • Auxiliary image segmentation device and system, imaging method, electronic equipment and medium
  • Auxiliary image segmentation device and system, imaging method, electronic equipment and medium

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Embodiment 1

[0062] This embodiment provides an auxiliary image segmentation device used in a radiographic system. Specifically, see figure 2 and image 3 ,in, figure 2 Schematic diagram of the structure of the auxiliary image segmentation device provided in this embodiment; image 3 It is a schematic structural diagram of the radiography system provided by Embodiment 2 of the present invention. From figure 2 and image 3 It can be seen that the radiation imaging system includes a flat panel detector 100 and an imaging control device 200; the auxiliary image segmentation device 300 includes a humanoid wall 310 and a human body model acquisition module 320; wherein, the humanoid wall 310 is arranged on the flat panel The detector 100 faces the side of the human body 400 ; the human body model acquisition module 320 is connected with the imaging control device 200 .

[0063] Specifically, the human body wall 310 is configured to obtain the human body coverage area. The human body mo...

Embodiment 2

[0079] This embodiment provides a radiographic imaging system. Specifically, please continue to figure 2 ,From figure 2 It can be seen that the radiographic imaging system provided in this embodiment includes a flat panel detector 100, a beam limiter 500, an imaging control device 200, and the auxiliary image segmentation device 300 described in any one of the first embodiment. Wherein, the imaging control device 200 is connected to the flat panel detector 100, the beam limiter 500 and the auxiliary image segmentation device 300; side.

[0080] Specifically, the imaging control device 200 is configured to receive the human body model parameters sent by the auxiliary image segmentation device 300, and to control according to the layout of the imaging unit 100a of the flat panel detector 100 and the human body model parameters The opening of the beam limiter 500 and the radiation dose of the radiography system. The imaging control device 200 is further configured to contro...

Embodiment 3

[0091] This example provides an imaging method based on the radiographic imaging system described in any one of the second embodiment, please refer to Figure 13 , Figure 13 A schematic flow chart of the imaging method provided in this embodiment. From Figure 13 It can be seen that the imaging method includes:

[0092] S10: Apply an external force to the man-shaped wall to obtain the deformation of the pressure bar along the first direction and / or obtain the pressure value applied thereon; wherein, the first direction is the normal of the plane where the flat panel detector is located direction;

[0093] S20: converting at least one of the deformation amount corresponding to the pressure rod and the pressure value, and the position information of the pressure rod into electrical signals;

[0094] S30: Calculate human body model parameters according to the electrical signal, and send the human body model parameters to the imaging control device; wherein, the human body mo...

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Abstract

The invention provides an auxiliary image segmentation device and system, an imaging method, electronic equipment and a medium. The auxiliary image segmentation device comprises a human body model acquisition module and a human-shaped wall, wherein the human-shaped wall is configured to acquire a human body coverage area; and the human body model acquisition module calculates human body model parameters according to the human body coverage area acquired by the human-shaped wall, and sends the human body model parameters including a human body contour and a human body part thickness to an imaging control device. The auxiliary image segmentation device provided by the invention can acquire the human body model parameters, and can enable a ray imaging system to adjust the radiation dose and a beam limiter opening more accurately, thereby reducing the risk that a human body receives unnecessary rays, and being capable of improving the imaging quality of the ray imaging system.

Description

technical field [0001] The present invention relates to the technical field of medical equipment imaging, in particular to an auxiliary image segmentation device, system, imaging method, electronic equipment and media. Background technique [0002] The DR system, that is, the direct digital X-ray photography system, is composed of an electronic cassette, a scan controller, a system controller, a beam limiter, an image monitor, etc. It directly converts X-ray photons into digital images through the electronic cassette A direct digital radiography in a broad sense. When the current DR system takes pictures of patients (human bodies, subjects), it is often necessary to use the AEC (Automatic Exposure Control, automatic exposure control) function. AEC judges whether the current dose meets the requirements based on the three fields of the ionization chamber. If the current radiation dose is too high, the radiation dose can be automatically reduced according to the automatic dose...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B6/00A61B6/06
CPCA61B6/44A61B6/5211A61B6/4208A61B6/54A61B6/542A61B6/06
Inventor 韩业成
Owner SHANGHAI UNITED IMAGING HEALTHCARE