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Brain tumor segmentation method based on multi-level structure relation learning network

A multi-level, brain tumor technology, applied in neural learning methods, biological neural network models, image analysis, etc., can solve the problem of segmentation models easily falling into local optimum.

Active Publication Date: 2020-07-10
杭州健培科技有限公司
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AI Technical Summary

Problems solved by technology

[0005] For the second problem, the independent analysis and linear post-fusion of different domains make the segmentation model easy to fall into the local optimal problem

Method used

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  • Brain tumor segmentation method based on multi-level structure relation learning network
  • Brain tumor segmentation method based on multi-level structure relation learning network
  • Brain tumor segmentation method based on multi-level structure relation learning network

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Embodiment Construction

[0047] In order to describe the present invention more specifically, the technical solutions of the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0048] figure 1 It is the low image contrast and fuzzy mode brain tumor segmentation provided by the embodiment of the present invention. The 4 columns on the left are the input images of the MRI data, and the fifth column is the corresponding real calibration results. The green, yellow, and red areas highlight the WholeTumor (WT), Tumor Core (TC), and Enhancing Tumor (ET) sections, respectively.

[0049] figure 2 is the method framework of the present invention. Infer results from modalities using a cascaded structure. E and D represent the encoder and decoder in 3D U-Net, respectively, and C is the environment mining module of the described method.

[0050] Such as figure 2 Shown is a multi-level structure network for segmenting brain tumor reg...

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Abstract

The invention provides an advanced multi-level structure relationship learning network for segmenting brain tumor data. In each subnet, an environmental information mining module is introduced betweenan encoder and a decoder, and environmental information in a single domain and environmental information between different domains are respectively mined by adopting a dual self-attention mechanism and spatial interaction learning.

Description

technical field [0001] The invention relates to a tumor segmentation technology, in particular to a brain tumor segmentation method based on a multi-level structure relational learning network. Background technique [0002] Segmentation of brain tumors, segmenting different types of tumor regions in multimodal 3D magnetic resonance images. Brain tumor segmentation based on MRI data is an important academic and industrial topic and has been an active research area in the past decade. Efficient and fast brain tumor segmentation is helpful for neurological status monitoring, assessment of tumor development, and diagnosis of encephalopathy. [0003] In recent years, deep learning-based cascaded multi-layer networks and multi-scale analysis have made great progress in medical image segmentation. However, how to accurately classify each pixel is still a challenge in brain tumor segmentation based on MRI data. MRI data images have low contrast and different types of tumors have ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T7/10G06N3/08
CPCG06T7/10G06N3/08G06T2207/10088G06T2207/20081G06T2207/30016G06T2207/30096
Inventor 程国华何林阳罗梦妍季红丽张宇捷王睿俐
Owner 杭州健培科技有限公司
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