Digital MRI atlas construction method and device

A construction method and digital technology, applied in the field of digital atlas of human medical images, can solve the problems of single image weight, limited number, fixed section, etc., and achieve the effect of broadening the concept and enriching the research connotation.

Active Publication Date: 2017-08-11
上海培云教育科技有限公司
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Problems solved by technology

[0005] Aiming at the problems of single image weight, limited quantity and fixed section in the existing pap

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  • Digital MRI atlas construction method and device
  • Digital MRI atlas construction method and device
  • Digital MRI atlas construction method and device

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Embodiment Construction

[0072] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in combination with specific embodiments and with reference to the accompanying drawings. It should be understood that these descriptions are exemplary only, and are not intended to limit the scope of the present invention. Also, in the following description, descriptions of well-known structures and techniques are omitted to avoid unnecessarily obscuring the concept of the present invention.

[0073] In this embodiment, an MRI image of a human body is taken as an example for illustration.

[0074] Such as figure 1 Shown, a kind of construction method of digital MRI atlas comprises the following steps:

[0075] The first step is to obtain the original MRI image of the human body or other images with good tissue resolution;

[0076] The second step is to obtain the physical parameter values ​​of multiple MRI s...

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Abstract

The invention discloses a digital MRI atlas construction method, which comprises the following steps: obtaining physical parameter values of a plurality of MRI signals of each pixel in an MRI image, and constructing a multidimensional data matrix, that is, a virtual MRI digital object; with the virtual MRI digital object being as a scanning sample, carrying out virtual MRI data acquisition and image reconstruction to obtain a virtual MRI image; and with the virtual MRI digital object being as the scanning sample, carrying out virtual data acquisition of different sections through different imaging sequences and sequence parameters to obtain atlas in different weight, and carrying out reconstruction to obtain a two-dimensional or three-dimensional image. The method can break through an original atlas range, that is, with the virtual digital human body being as the scanning sample, virtual data acquisition and image reconstruction of the digital human body are carried out by simulating a real MRI scanner, the digital MRI atlas obtained after different devices (field intensity can be set), sequence and sequence parameters can be set at will can be obtained, and real-time virtual acquisition and reconstruction is realized to obtain standard MRI atlas.

Description

technical field [0001] The invention belongs to the technical field of human medical image digital atlas, and in particular relates to a method and equipment for constructing a digital MRI atlas. Background technique [0002] Magnetic resonance imaging MRI technology has obvious application advantages, and its clinical application is expanding rapidly; the trend of popularizing nuclear magnetic resonance imaging in secondary hospitals is obvious. However, one MRI examination needs to scan multiple sequences to obtain multiple sequence images, and the acquisition time is long (the time for the three standard sequences is 10 to 20 minutes, and it will take longer if other sequences are added). The sequence images with multiple weights obtained at the same time also bring difficulties to the diagnosis by the diagnostician. The magnetic resonance atlas as a reference cannot provide all sequence images for comparison. [0003] At present, virtual map is one of the basic function...

Claims

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Application Information

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IPC IPC(8): G01R33/54
CPCG01R33/54
Inventor 汪红志
Owner 上海培云教育科技有限公司
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