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A CSM auxiliary analysis system and method based on tensor images

An auxiliary analysis and diffusion tensor imaging technology, which is applied in the field of CSM auxiliary analysis system based on tensor image, can solve the problems of not making full use of the spatial information of the diffusion tensor image data structure, losing the internal correlation of data, destroying the original data structure, etc. problem, to achieve the effect of improving the accuracy of pattern classification, maintaining real-time performance, and reducing training time

Active Publication Date: 2018-04-17
SHENZHEN INST OF ADVANCED TECH CHINESE ACAD OF SCI
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Problems solved by technology

[0004] The present invention provides a tensor image-based CSM auxiliary analysis system and method, aiming to solve the problem that the existing vector pattern learning algorithm cannot make full use of the structural space information of the diffuse tensor image data, and the tensor data is vectorized In the process, the structure of the original data will be destroyed, the inherent correlation of the data will be lost, and the iterative process is time-consuming, which greatly increases the technical problem of training time

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  • A CSM auxiliary analysis system and method based on tensor images
  • A CSM auxiliary analysis system and method based on tensor images

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[0033] In order to make the objectives, technical solutions and advantages of the present invention clearer, the following further describes the present invention in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.

[0034] Diffusion Tensor Imaging (DTI for short) is a new method of describing the structure of the brain and a special form of magnetic resonance imaging (MRI). Unlike nuclear magnetic resonance imaging, which tracks hydrogen atoms in water molecules, diffusion tensor imaging is based on the direction in which water molecules move. Diffusion tensor imaging (presented in a different way from previous images) can reveal how brain tumors affect nerve cell connections and guide medical staff to perform brain surgery. It can also reveal subtle abnormal changes related to stroke, multiple sclerosi...

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Abstract

The invention belongs to the field of medical image assistant analysis technologies, and particularly relates to the CSM assistant analysis system and the CSM assistant analysis method based on tensor images. The CSM assistant analysis system comprises an image pre-processing module, an expert knowledge base module, an ELM learning module, a classifier module and a result output module, wherein the image pre-processing module is used for acquisition of diffusion tensor images, dual measurement registration of the diffusion tensor images, segmentation of the diffusion tensor images, and dimensionality reduction and feature extraction of the diffusion tensor images; the ELM learning module is used for utilizing an ELM learning algorithm for analyzing and solving information in an expert knowledge base; and the classifier module is used for classifying feature information extracted by the image pre-processing module according to parameters determined by the ELM learning module. The CSM assistant analysis system and the CSM assistant analysis method based on the tensor images fully excavate original information of the images, increases pattern classification precision, ensure image segmentation effect, avoid time-consuming iteration process, significantly reduce training time, and can better adapt to efficiency requirement of mass data.

Description

Technical field [0001] The invention belongs to the technical field of medical image assisted diagnosis, and in particular relates to a CSM assisted analysis system and method based on tensor images. Background technique [0002] Diffusion Tensor Imaging (DTI) technology is the only non-invasive in vivo imaging method of white matter nerve fiber bundles, and it is a special form of magnetic resonance imaging (MRI). Unlike nuclear magnetic resonance imaging, which tracks hydrogen atoms in water molecules, diffusion tensor imaging is based on the direction in which water molecules move. Diffusion tensor imaging can reveal how brain tumors affect nerve cell connections and guide medical staff to perform brain surgery. It can also reveal subtle abnormal changes in the brain and spinal cord related to stroke, multiple sclerosis, schizophrenia, and dyslexia. The diffusion tensor imaging data is essentially a second-order tensor structure, and each voxel of it contains the three-dimen...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T7/38G06T7/10
CPCG06T2207/10092G06T2207/20081G06T2207/30016G06T2207/30096
Inventor 王书强曾德威申妍燕卢哲
Owner SHENZHEN INST OF ADVANCED TECH CHINESE ACAD OF SCI
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