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2018 | OriginalPaper | Chapter

Cluster Analysis of Functional Neuroimages Using Data Reduction and Competitive Learning Algorithms

Authors : Alberto A. Vergani, Samuele Martinelli, Elisabetta Binaghi

Published in: VipIMAGE 2017

Publisher: Springer International Publishing

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Abstract

In the present work we use pattern vectors derived from Statistical Parametric Map, generated from a group of artificial and in-house collected fMRI data, to conduct cluster analysis. Two clustering algorithms, self-organizing map (SOM) and growing neural gas (GNG), are selected to explore inherent properties in the brain functional data. As seen in our experimental context, SOM and GNG show comparable behavior, however GNG prevails in the management of large data sets. An exploratory, descriptive analysis is conducted on in-house collected data clustered by GNG and results are detailed in the paper.

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previous chapter Semi-supervised Bayesian Source Separation of Scintigraphic Image Sequences
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Metadata
Title
Cluster Analysis of Functional Neuroimages Using Data Reduction and Competitive Learning Algorithms
Authors
Alberto A. Vergani
Samuele Martinelli
Elisabetta Binaghi
Copyright Year
2018
Book
VipIMAGE 2017

Print ISBN: 978-3-319-68194-8

Electronic ISBN: 978-3-319-68195-5

Copyright Year: 2018

DOI
https://doi.org/10.1007/978-3-319-68195-5_7