Method for constructing brain atlas based on differential geometry technology

A technology of differential geometry and brain atlas, which is applied in the field of medical image processing, can solve the problems that the accuracy of medical image atlas needs to be improved, and achieve good performance

Active Publication Date: 2021-06-18
SHENZHEN GRADUATE SCHOOL TSINGHUA UNIV
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However, the accuracy of the medical image atlas cons

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  • Method for constructing brain atlas based on differential geometry technology
  • Method for constructing brain atlas based on differential geometry technology
  • Method for constructing brain atlas based on differential geometry technology

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Embodiment Construction

[0019] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that the relative arrangements of components and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.

[0020] The following description of at least one exemplary embodiment is merely illustrative in nature and in no way taken as limiting the invention, its application or uses.

[0021] Techniques, methods and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, such techniques, methods and devices should be considered part of the description.

[0022] In all examples shown and discussed herein, any specific values ​​should be construed as exemplary only, and not as limitations. Therefore, other instances of the exemplary embodiment may have dif...

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Abstract

The invention discloses a method for constructing a brain map based on a differential geometry technology. The method comprises the following steps: for N volume data sets, sequentially taking any one yi as an initial template, and registering the yi to all N yjs based on a convolutional neural network framework to obtain each registration domain phi; calculating an average domain of each registration domain phi through an average transform domain to obtain N average domains avg; and enabling the average domain to act on yi to obtain a new template, so when the average domain of the N temporary templates meets a set target, N template images are obtained, and the N template images are used as fixed images during registration. According to the method, better performance can be achieved in construction of brain MRI atlas, and a standard template is provided for disease diagnosis of doctors.

Description

technical field [0001] The present invention relates to the technical field of medical image processing, and more specifically, to a method for constructing a brain atlas (atlas) based on differential geometry technology. Background technique [0002] Brain functional imaging generally chooses magnetic resonance technology (MRI). This is because MRI medical images have high contrast and spatial resolution for soft tissues with small density differences, so they are widely used in the analysis of brain diseases. The main features of MRI are that it can clearly display soft tissue, anatomical structure and lesion shape, can obtain rich diagnostic information, and can image any section. Compared with other medical images, MRI has the characteristics of less ionizing radiation damage to the human body and non-invasiveness. . However, the structure of brain tissue is relatively complex, and MRI images mainly include tissues such as cerebral cortex, gray matter, white matter, and...

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Application Information

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IPC IPC(8): G06T7/33G06N3/04G06N3/08
CPCG06T7/33G06N3/084G06T2207/10088G06T2207/20081G06T2207/20084G06T2207/30016G06N3/045
Inventor 袁克虹朱永佩
Owner SHENZHEN GRADUATE SCHOOL TSINGHUA UNIV
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