Atlas-based segmentation for globus pallidus internus targeting on low-resolution MRI.

Maria I. Iacono, Nikos Makris, Luca Mainardi, John Gale, Andre van der Kouwe, Azma Mareyam, Jonathan R. Polimeni, Lawrence L. Wald, Bruce Fischl, Emad N. Eskandar, Giorgio Bonmassar

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

In this paper we report a method to automatically segment the internal part of globus pallidus (GPi) on the pre-operative low-resolution magnetic resonance images (MRIs) of patients affected by Parkinson's disease. Herein we used an ultra-high resolution human brain dataset as electronic atlas of reference on which we segmented the GPi. First, we registered the ultra-high resolution dataset on the low-resolution dataset using a landmarks-based rigid registration. Then an affine and a non-rigid surface-based registration guided by the structures that surround the target was applied in order to propagate the labels of the GPi on the low-resolution un-segmented dataset and to accurately outline the target. The mapping of the atlas on the low-resolution MRI provided a highly accurate anatomical detail that can be useful for localizing the target.

Original languageEnglish (US)
Pages (from-to)5706-5709
Number of pages4
JournalConference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Conference
Volume2011
StatePublished - Dec 1 2011
Externally publishedYes

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Globus Pallidus
Atlases
Magnetic resonance
Magnetic Resonance Spectroscopy
Labels
Brain
Parkinson Disease
Datasets

ASJC Scopus subject areas

  • Computer Vision and Pattern Recognition
  • Signal Processing
  • Biomedical Engineering
  • Health Informatics

Cite this

Atlas-based segmentation for globus pallidus internus targeting on low-resolution MRI. / Iacono, Maria I.; Makris, Nikos; Mainardi, Luca; Gale, John; van der Kouwe, Andre; Mareyam, Azma; Polimeni, Jonathan R.; Wald, Lawrence L.; Fischl, Bruce; Eskandar, Emad N.; Bonmassar, Giorgio.

In: Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Conference, Vol. 2011, 01.12.2011, p. 5706-5709.

Research output: Contribution to journalArticle

Iacono, Maria I. ; Makris, Nikos ; Mainardi, Luca ; Gale, John ; van der Kouwe, Andre ; Mareyam, Azma ; Polimeni, Jonathan R. ; Wald, Lawrence L. ; Fischl, Bruce ; Eskandar, Emad N. ; Bonmassar, Giorgio. / Atlas-based segmentation for globus pallidus internus targeting on low-resolution MRI. In: Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Conference. 2011 ; Vol. 2011. pp. 5706-5709.
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