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Graph Convolutional Network With Self-Supervised Learning for Brain Disease Classification
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DOI：10.1109/TCBB.2024.3422152.png)
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摘要
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Brain functional network (BFN) analysis has become a popular method for identifying neurological diseases at their early stages and revealing sensitive biomarkers related to these diseases. Due to the fact that BFN is a graph with complex structure, graph convolutional networks (GCNs) can be naturally used in the identification of BFN, and can generally achieve an encouraging performance if given large amounts of training data. In practice, however, it is very difficult to obtain sufficient brain functional data, especially from subjects with brain disorders. As a result, GCNs usually fail to learn a reliable feature representation from limited BFNs, leading to overfitting issues. In this paper, we propose an improved GCN method to classify brain diseases by introducing a self-supervised learning (SSL) module for assisting the graph feature representation. We conduct experiments to classify subjects with mild cognitive impairment (MCI) and autism spectrum disorder (ASD) respectively from normal controls (NCs). Experimental results on two benchmark databases demonstrate that our proposed scheme tends to obtain higher classification accuracy than the baseline methods.
Keyword:
Diseases
Task analysis
Self-supervised learning
Feature extraction
Reliability
Vectors
Pipelines
Brain functional network
graph convolutional network
self-supervised learning
brain disease
classification
期刊
I
IF:
3.4
论文数:
3.3K
被引数:
6.4K
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