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Segmentation of anatomical structures in brain MR images using atlases in FSL - a quantitative approach

Soldea, Octavian and Ekin, Ahmet and Soldea , Diana F. and Ünay, Devrim and Çetin, Müjdat and Erçil, Aytül and Uzunbaş, Mustafa Gökhan and Fırat, Zeynep and Cihangiroğlu, Mutlu and Initiative, The Alzheimers Disease Neuroimaging (2010) Segmentation of anatomical structures in brain MR images using atlases in FSL - a quantitative approach. In: 20th International Conference on Pattern Recognition (ICPR), Istanbul, Turkey

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Official URL: http://dx.doi.org/10.1109/ICPR.2010.635

Abstract

Segmentation of brain structures from MR images is crucial in understanding the disease progress, diagnosis, and treatment monitoring. Atlases, showing the ex- pected locations of the structures, are commonly used to start and guide the segmentation process. In many cases, the quality of the atlas may have a significant effect in the final result. In the literature, commonly used atlases may be obtained from one subject’s data, only from the healthy, or depict only certain structures that limit their accuracy. Anatomical variations, pathologies, imaging artifacts all could aggravate the problems related to application of atlases. In this paper, we propose to use multiple atlases that are sufficiently different from each other as much as possible to handle such problems. To this effect, we have built a library of atlases and computed their similarity values to each other. Our study showed that the existing atlases have varying levels of similarity for different structures.

Item Type:Papers in Conference Proceedings
Uncontrolled Keywords: FSL , Registration , Segmentation
Subjects:T Technology > T Technology (General)
ID Code:14823
Deposited By:Aytül Erçil
Deposited On:25 Oct 2010 15:46
Last Modified:25 Oct 2010 15:46

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