Support Vector Driven Markov Random Fields towards DTI Segmentation of the Human Skeletal Muscle

Radhouène Neji 1, 2, 3 Gilles Fleury 1 J.-F. Deux 4 A. Rahmouni 4 G. Bassez 4 A. Vignaud 5 Nikolaos Paragios 2, 3
1 SUPELEC-Campus Gif
2 MAS - Mathématiques Appliquées aux Systèmes - EA 4037
3 GALEN - Organ Modeling through Extraction, Representation and Understanding of Medical Image Content
Inria Saclay - Ile de France, Ecole Centrale Paris
4 Hôpital Henri Mondor
5 Siemens Medical Solutions
Abstract : In this paper we propose a classification-based method towards the segmentation of diffusion tensor images. We use Support Vector Machines to classify diffusion tensors and we extend linear classification to the non linear case. To this end, we discuss and evaluate three different classes of kernels on the space of symmetric definite positive matrices that are well suited for the classification of tensor data. We impose spatial constraints by means of a Markov random field model that takes into account the result of SVM classification. Experimental results are provided for diffusion tensor images of human skeletal muscles. They demonstrate the potential of our method in discriminating the different muscle groups.
Keywords : Diffusion Tensor Imaging Support Vector Machines Kernels Markov Random Fields Human Skeletal Muscle
Type de document :
Communication dans un congrès
ISBI International Symposium on Biomedical Imaging, May 2008, Paris, France. pp. 923-926, 2008, 〈10.1109/ISBI.2008.4541148〉
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Radhouène Neji, Gilles Fleury, J.-F. Deux, A. Rahmouni, G. Bassez, et al.. Support Vector Driven Markov Random Fields towards DTI Segmentation of the Human Skeletal Muscle. ISBI International Symposium on Biomedical Imaging, May 2008, Paris, France. pp. 923-926, 2008, 〈10.1109/ISBI.2008.4541148〉. 〈hal-00267032〉

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