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Determination method and device of reconstruction data, medical imaging equipment and medium

A technology for reconstructing data and determining methods, applied in the field of biomedical image processing, can solve problems such as destroying the consistency and integrity of projection data, affecting doctors' normal diagnosis, etc., to avoid long-term dynamic scanning, reduce side effects, and avoid anesthesia effects.

Pending Publication Date: 2019-10-15
SHANGHAI UNITED IMAGING HEALTHCARE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Since the imaging of medical imaging equipment takes a certain amount of time, the user may have voluntary or involuntary movement during this period, which will destroy the consistency and integrity of the projection data, thus showing various motion artifacts in the reconstructed image. The appearance of motion artifacts will affect the normal diagnosis of doctors

Method used

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  • Determination method and device of reconstruction data, medical imaging equipment and medium
  • Determination method and device of reconstruction data, medical imaging equipment and medium
  • Determination method and device of reconstruction data, medical imaging equipment and medium

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Embodiment 1

[0045] figure 1 It is a flow chart of a method for determining reconstruction data provided by Embodiment 1 of the present invention. This embodiment can be applied to obtain scan data corresponding to the time period during which the target object’s motion state is detected and confirmed to have no motion state. In the case of reconstruction, the method may be performed by a device for determining reconstruction data, and specifically includes the following steps:

[0046] S110. Acquire a video image sequence of a target object.

[0047] Wherein, the video image sequence is one or more groups

[0048] Specifically, there are two cameras on the PET side and the CT side of the 2m PET-CT equipment, and the images collected by the two cameras can complement each other in the image display content. For example, the head of the target object can be clearly seen on the PET side Whether the target object’s lower limbs are moving can be clearly seen on the CT side. The camera trans...

Embodiment 2

[0057] figure 2 It is a flowchart of a method for determining reconstruction data provided in Embodiment 2 of the present invention. This embodiment is optimized on the basis of the above-mentioned embodiments. In this embodiment, the step of determining the motion state of the target object in the video image sequence based on the video image sequence is further optimized as: based on the video image The pixel values ​​of each pixel in at least two images in the sequence construct a motion curve of the target object in the video image sequence, and determine the motion state of the target object according to the motion curve. On this basis, the step of determining the reconstructed data in the original scan data of the target object according to the motion state is further optimized as follows: when the motion state of the target object determined according to the motion curve is a non-motion state The corresponding duration; determine the reconstructed data in the original...

Embodiment 3

[0073] image 3 It is a flowchart of a method for determining reconstruction data provided by Embodiment 3 of the present invention. The embodiment of the present invention is optimized on the basis of the above-mentioned embodiments. In this embodiment, the steps are to determine the video image sequence based on the video image sequence. The motion state of the target object in the image sequence is further optimized as: determining the target detection area of ​​the target object according to the video image sequence; based on at least two images in the video image sequence and the at least two images The pixel values ​​of each pixel in the target detection area construct a motion curve of the target object in the target detection area, and determine the motion state of the target object according to the motion curve.

[0074] Correspondingly, the method in this embodiment specifically includes:

[0075] S310. Acquire a video image sequence of the target object.

[0076] ...

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Abstract

The embodiment of the invention discloses a reconstruction data determination method and device, medical imaging equipment and a medium. The determination method comprises the following steps: acquiring a video image sequence of a target object; determining a motion state of a target object in the video image sequence based on the video image sequence; and determining reconstruction data in the original scanning data of the target object according to the motion state. The video image sequence of a target object is obtained; a motion state of a target object in the video image sequence is determined based on the video image sequence; the reconstruction data in the original scanning data of the target object is determined according to the motion state, so that anesthesia and long-time dynamic scanning are avoided, side effects caused by scanning are reduced, and meanwhile accurate scanning data are obtained.

Description

technical field [0001] Embodiments of the present invention relate to the technical field of biomedical image processing, and in particular to a method and device for determining reconstruction data, medical imaging equipment and media. Background technique [0002] Medical imaging equipment can be applied to the inspection of almost every part of the human body, and plays an increasingly important role in the diagnosis and treatment of clinical diseases. [0003] Since the imaging of medical imaging equipment takes a certain amount of time, the user may have voluntary or involuntary movement during this period, which will destroy the consistency and integrity of the projection data, thus showing various motion artifacts in the reconstructed image. The appearance of motion artifacts will affect the doctor's normal diagnosis. In the prior art, there are usually two ways to reduce motion artifacts. One is to scan the user after anesthesia to ensure that the user does not move...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T11/00
CPCG06T11/008
Inventor 任晓敏徐天艺刘洋洋陈湖山宋瑞祺
Owner SHANGHAI UNITED IMAGING HEALTHCARE
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