Morphological changes in the corpus callosum: A study using a joint Riemannian feature spaces

Meenakshi Mani 1, * Anuj Srivastava 1, 2 Christian Barillot 1, 3
* Auteur correspondant
1 VisAGeS - Vision, Action et Gestion d'informations en Santé
INSERM - Institut National de la Santé et de la Recherche Médicale : U746, Inria Rennes – Bretagne Atlantique , IRISA-D5 - SIGNAUX ET IMAGES NUMÉRIQUES, ROBOTIQUE
2 Dept. of Statistics, Tallahassee, FL
Department of Statistics [Tallahassee, FL]
Abstract : Shape, scale, orientation and position, the physical features associated with white matter DTI tracts, can either individually or in combination be used to de ne feature spaces. Recent work by Mani et al.1 describes a Riemannian framework in which these joint feature spaces are considered. In this paper, we use the tools and metrics de ned within this mathematical framework to study morphological changes due to disease progression. We look at sections of the anterior corpus callosum, which describes a deep arc along the mid-sagittal plane, and show how multiple sclerosis and normal control populations have di erent joint shape-orientation signatures.
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Ourselin, Sebastien and Haynor, David R. SPIE Medical Imaging: Image Processing, Feb 2013, Orlando, FL, United States. SPIE, 8669, pp.866908, 2013, Medical Imaging. 〈10.1117/12.2007226〉
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Meenakshi Mani, Anuj Srivastava, Christian Barillot. Morphological changes in the corpus callosum: A study using a joint Riemannian feature spaces. Ourselin, Sebastien and Haynor, David R. SPIE Medical Imaging: Image Processing, Feb 2013, Orlando, FL, United States. SPIE, 8669, pp.866908, 2013, Medical Imaging. 〈10.1117/12.2007226〉. 〈inserm-00851511〉

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