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Image reconstruction method and device for a magnetic resonance imaging system

A technology of magnetic resonance imaging and image reconstruction, which is applied in the direction of using nuclear magnetic resonance imaging system for measurement, magnetic resonance measurement, and measurement equipment, can solve the problems of reducing work efficiency, and achieve improved work efficiency, reduced workload, and image imaging quality Improved effect

Active Publication Date: 2019-02-22
SIEMENS SHENZHEN MAGNETIC RESONANCE
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Problems solved by technology

[0005] There are usually multiple scanning protocols. If the receiving coil calibration matrix is ​​calculated for each scanning protocol, it will bring a significant amount of calculation and reduce work efficiency.

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  • Image reconstruction method and device for a magnetic resonance imaging system
  • Image reconstruction method and device for a magnetic resonance imaging system
  • Image reconstruction method and device for a magnetic resonance imaging system

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Embodiment Construction

[0039] In order to make the technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to illustrate the present invention, and are not intended to limit the protection scope of the present invention.

[0040] For the sake of brevity and intuition in description, the solution of the present invention is described below by describing several representative implementation manners. Numerous details in the embodiments are only used to help the understanding of the solutions of the present invention. But obviously, the technical solutions of the present invention may not be limited to these details when implemented. In order to avoid unnecessarily obscuring the solution of the present invention, some embodiments are not described in detail, but only a framework is ...

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Abstract

In an image reconstruction method and device for a magnetic resonance imaging system, a magnetic resonance scan is performed at least one scan position according to at least one scan protocol, to acquire at least a set of one scan protocol simultaneously acquired data. At least one magnetic resonance image is reconstructed based on the set of scan protocol simultaneously acquired data and a shared receiving coil calibration matrix. By sharing the receiving coil calibration matrix in different parallel scan processing operations, the amount of work is significantly reduced while improving working efficiency, and imaging quality can also be significantly improved in the case of scan sequences with echo chain acquisition.

Description

technical field [0001] The invention relates to the technical field of magnetic resonance imaging, in particular to an image reconstruction method and device for a magnetic resonance imaging system. Background technique [0002] Magnetic resonance imaging (Magnetic Resonance Imaging, MRI) is a biomagnetic nuclear spin imaging technology developed rapidly with the development of computer technology, electronic circuit technology, and superconductor technology. It uses a magnetic field and radio frequency pulses to vibrate the precessing hydrogen nuclei (ie H+) in human tissue to generate radio frequency signals, which are processed by a computer and imaged. When an object is placed in a magnetic field, it is irradiated with appropriate electromagnetic waves to make it resonate, and then the electromagnetic waves released by it are analyzed, and the position and type of the atomic nuclei that make up the object can be known, and the precise interior of the object can be drawn ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R33/56A61B5/055
CPCG01R33/5611
Inventor 张琼
Owner SIEMENS SHENZHEN MAGNETIC RESONANCE
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