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A Novel Template-Based Approach to the Segmentation of the Hippocampal Region

  • M. AielloEmail author
  • P. Calvini
  • A. Chincarini
  • M. Esposito
  • G. Gemme
  • F. Isgrò
  • R. Prevete
  • M. Santoro
  • S. Squarcia
Chapter
Part of the Computational Methods in Applied Sciences book series (COMPUTMETHODS, volume 19)

Abstract

The work described in this document is part of a major work aiming at a complete pipeline for the extraction of clinical parameters from MR images of the brain, for the diagnosis of neuro-degenerative diseases. A key step in this pipeline is the identification of a box containing the hippocampus and surrounding medial temporal lobe regions from T1-weighted magnetic resonance images, with no interactive input from the user. To this end we introduced in the existing pipeline a module for the segmentation of brain tissues based on a constrained Gaussians mixture model (CGMM), and a novel method for generating templates of the hippocampus. The templates are then combined in order to obtain only one template mask. This template mask is used, with a mask of the grey matter of the brain, for determining the hippocampus. The results have been visually evaluated by a small set of experts, and have been judged as satisfactory. A complete and exhaustive evaluation of the whole system is being planned.

Keywords

Magnetic resonance Image analysis Hippocampus segmentation 

Notes

Acknowledgements

This work was partially funded by INFN within the MAGIC-5 research project.

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Copyright information

© Springer Science+Business Media B.V. 2011

Authors and Affiliations

  • M. Aiello
    • 1
    Email author
  • P. Calvini
    • 2
  • A. Chincarini
    • 3
  • M. Esposito
    • 1
  • G. Gemme
    • 3
  • F. Isgrò
    • 1
  • R. Prevete
    • 1
  • M. Santoro
    • 4
  • S. Squarcia
    • 2
  1. 1.Dipartimento di Scienze FisicheUniversità di Napoli Federico II, and Istituto Nazionale di Fisica NucleareSezione di NapoliItaly
  2. 2.Dipartimento di FisicaUniversità di Genova, and Istituto Nazionale di Fisica NucleareSezione di GenovaItaly
  3. 3.Istituto Nazionale di Fisica NucleareSezione di GenovaItaly
  4. 4.Dipartimento di Informatica e Scienze dell’InformazioneUniversità di GenovaGenovaItaly

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