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Structural Feature Selection for Connectivity Network-Based MCI Diagnosis

  • Conference paper

Part of the Lecture Notes in Computer Science book series (LNIP,volume 7509)

Abstract

Connectivity networks have been recently used for classification of neurodegenerative diseases, e.g., mild cognitive impairment (MCI). In typical connectivity network-based classification, features are often extracted from (multiple) connectivity networks and concatenated into a long vector for subsequent feature selection and classification. However, some useful network topological information may be lost in this type of approach. In this paper, we propose a new structural feature selection method which embeds the topological information of connectivity networks through graph kernel and then uses recursive feature elimination with graph kernel (RFE-GK) to select the most discriminative features. Furthermore, multiple kernel learning (MKL) is also adopted to combine multiple graph kernels for joint structural feature selectionfrom multiple connectivity networks. The experimental results show the efficacy of our proposed method with comparison to the state-of-the-art method in MCI classification, based on the connectivity networks.

Keywords

  • Feature Selection
  • Mild Cognitive Impairment
  • Connectivity Network
  • Mean Diffusivity
  • Support Vector Machine Model

These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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© 2012 Springer-Verlag Berlin Heidelberg

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Jie, B., Zhang, D., Wee, CY., Shen, D. (2012). Structural Feature Selection for Connectivity Network-Based MCI Diagnosis. In: Yap, PT., Liu, T., Shen, D., Westin, CF., Shen, L. (eds) Multimodal Brain Image Analysis. MBIA 2012. Lecture Notes in Computer Science, vol 7509. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-33530-3_15

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  • DOI: https://doi.org/10.1007/978-3-642-33530-3_15

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-33529-7

  • Online ISBN: 978-3-642-33530-3

  • eBook Packages: Computer ScienceComputer Science (R0)