Magnetic resonance imaging scanning method and device, computer device and storage medium

A technology of magnetic resonance imaging and scanning method, which is applied in the direction of using nuclear magnetic resonance image system for measurement, magnetic resonance measurement, and measurement equipment, etc., which can solve the problem of breathing artifacts in magnetic resonance images, breathing artifacts in magnetic resonance images, which cannot meet clinical requirements. Diagnose issues such as image requirements

Active Publication Date: 2019-06-21
SHANGHAI UNITED IMAGING HEALTHCARE
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Problems solved by technology

[0003] In the multimodal PET/MR system, the attenuation correction is performed on PET (positron emission computed tomography imaging equipment). Due to the long acquisition time of PET, when performing attenuation correction on magnetic resonance images acquired by breath-hold scanning, the magnetic Resonance images can have respiratory artifacts, which can lead to mismatch problems in mov

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  • Magnetic resonance imaging scanning method and device, computer device and storage medium
  • Magnetic resonance imaging scanning method and device, computer device and storage medium
  • Magnetic resonance imaging scanning method and device, computer device and storage medium

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[0027] In order to facilitate the understanding of the present application, and to make the above-mentioned purpose, features and advantages of the present application more obvious and understandable, the specific implementation manners of the present application will be described in detail below in conjunction with the accompanying drawings. In the following description, numerous specific details are set forth to facilitate a full understanding of the application, and preferred embodiments of the application are shown in the accompanying drawings. However, the present application can be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the application more thorough and comprehensive. The present application can be implemented in many other ways that are different from those described here, and those skilled in the art can make similar improvements wi...

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Abstract

The present invention relates to a magnetic resonance imaging scanning method and device, a computer device and a storage medium. The method comprises the steps of: obtaining a physiological movementcurve of a detection object, and determining a steady state period and a data collection period according to the physiological movement curve; applying a steady state sequence in the steady state period, wherein the steady state sequence comprises a first dispersed phase gradient; applying an imaging sequence in the data collection period to obtain magnetic resonance signals of the detection object, wherein the imaging sequence comprises a position coding gradient and a second dispersed phase gradient; filling the magnetic resonance signals to a K space; and obtaining K space data, and performing reconstruction of the data of the K space to obtain the magnetic resonance images of the detection object. The steady state sequence has no the position coding gradient to reduce the noise in thesteady state period, allow the detection object to stably breathe and reduce the breathing artifacts in the magnetic resonance images.

Description

technical field [0001] The present application relates to the technical field of medical equipment, in particular to a magnetic resonance imaging scanning method, device, computer equipment and storage medium. Background technique [0002] Magnetic resonance imaging equipment is a type of tomography, which uses magnetic resonance phenomena to obtain electromagnetic signals from the human body and reconstruct human body information. Magnetic resonance imaging equipment applies a radio frequency pulse of a certain frequency to the human body in a static magnetic field, so that the hydrogen protons in the human body are excited and magnetic resonance occurs. After the pulse is stopped, the protons generate magnetic resonance signals during relaxation. Corresponding magnetic resonance signals are obtained, and image reconstruction is performed on the magnetic resonance signals to obtain medical images. [0003] In the multimodal PET / MR system, the attenuation correction is per...

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Application Information

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IPC IPC(8): G01R33/48G01R33/54A61B5/055
CPCG01R33/5673G01R33/3854G01R33/4818G01R33/56509G01R33/5608G01R33/543G01R33/4835G01R33/56554A61B5/055G01R33/5613G01R33/5615G01R33/482
Inventor 龚小茂
Owner SHANGHAI UNITED IMAGING HEALTHCARE
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