Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 426402
Title A Riemannian Scalar Measure for Diffusion Tensor Images
Author(s) Astola, L.; Fuster, A.; Florack, L.
Source Pattern Recognition 44 (2011)9. - ISSN 0031-3203 - p. 1885 - 1891.
DOI https://doi.org/10.1016/j.patcog.2010.09.009
Department(s) PE&RC
Publication type Refereed Article in a scientific journal
Publication year 2011
Keyword(s) anisotropy - mri
Abstract We study a well-known scalar quantity in Riemannian geometry, the Ricci scalar, in the context of diffusion tensor imaging (DTI), which is an emerging non-invasive medical imaging modality. We derive a physical interpretation for the Ricci scalar and explore experimentally its significance in DTI. We also extend the definition of the Ricci scalar to the case of high angular resolution diffusion imaging (HARDI) using Finsler geometry. We mention that the Ricci scalar is not only suitable for tensor valued image analysis, but it can be computed for any mapping .
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