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Cited by 376

The DOI matches its Crossref record; 13 of the 13 references it cites were found in a registry or an index.

Metric learning with spectral graph convolutions on brain connectivity networks

Open access
Ktena, Sofia Ira, Parisot, Sarah, Ferrante, Enzo, Rajchl, Martin, Lee, Matthew, Glocker, Ben, Rueckert, Daniel·2018·NeuroImage

Abstract

ABSTRACT Graph representations are often used to model structured data at an individual or population level and have numerous applications in pattern recognition problems. In the field of neuroscience, where such representations are commonly used to model structural or functional connectivity between a set of brain regions, graphs have proven to be of great importance. This is mainly due to the capability of revealing patterns related to brain development and disease, which were previously unknown. Evaluating similarity between these brain connectivity networks in a manner that accounts for the graph structure and is tailored for a particular application is, however, non‐trivial. Most existing methods fail to accommodate the graph structure, discarding information that could be beneficial for further classification or regression analyses based on these similarities. We propose to learn a graph similarity metric using a siamese graph convolutional neural network (s‐GCN) in a supervised setting. The proposed framework takes into consideration the graph structure for the evaluation of similarity between a pair of graphs, by employing spectral graph convolutions that allow the generalisation of traditional convolutions to irregular graphs and operates in the graph spectral domain. We apply the proposed model on two datasets: the challenging ABIDE database, which comprises functional MRI data of 403 patients with autism spectrum disorder (ASD) and 468 healthy controls aggregated from multiple acquisition sites, and a set of 2500 subjects from UK Biobank. We demonstrate the performance of the method for the tasks of classification between matching and non‐matching graphs, as well as individual subject classification and manifold learning, showing that it leads to significantly improved results compared to traditional methods. HighlightsMetric learning approach for similarity estimation between brain connectivity graphs.The method employs spectral graph convolutions to learn localised feature maps.Quantitative and qualitative evaluation on ABIDE and UK Biobank databases.Global loss function leads to improved results on heterogeneous datasets.

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Metadata

Authors
Ktena, S. I., Parisot, S., Ferrante, E., Rajchl, M., Lee, M., Glocker, B., & Rueckert, D.
Venue
NeuroImage
Publisher
Elsevier BV
Published
2018-04
Volume
169
Pages
431-442
ISSN
1053-8119 (ISSN-L)
OpenAlex
W2779020697
Cited by
376
References
13
FWCI
11.17
Type
journal article
Language
en
Open access
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CoChat. (2026). Citation check: Metric learning with spectral graph convolutions on brain connectivity networks. https://app.cochat.ai/papers/10.1016/j.neuroimage.2017.12.052
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Ktena, S. I., Parisot, S., Ferrante, E., Rajchl, M., Lee, M., Glocker, B., & Rueckert, D. (2018). Metric learning with spectral graph convolutions on brain connectivity networks. NeuroImage. https://doi.org/10.1016/j.neuroimage.2017.12.052

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