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Anisotropy Estimation of Trabecular Bone in Gray-Scale: Comparison Between Cone Beam and Micro Computed Tomography Data
Linköping University.ORCID iD: 0000-0001-5765-2964
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2015 (English)In: Developments in Medical Image Processing and Computational Vision / [ed] Tavares, Joao Manuel R. S.; Natal Jorge, Renato, Springer, 2015, Vol. 19, 207-220 p.Chapter in book (Other academic)Text
Abstract [en]

Measurement of anisotropy of trabecular bone has clinical relevance in osteoporosis. In this study, anisotropy measurements of 15 trabecular bone biopsies from the radius estimated by different fabric tensors on images acquired through cone beam computed tomography (CBCT) and micro computed tomography (micro-CT) were compared. The results show that the generalized mean intercept length (MIL) tensor performs better than the global gray-scale structure tensor, especially when the von Mises-Fisher kernel is applied.  Also, the generalized MIL tensor yields consistent results between the two scanners. These results suggest that this tensor is appropriate for estimating anisotropy in images acquired in vivo through CBCT.

Place, publisher, year, edition, pages
Springer, 2015. Vol. 19, 207-220 p.
, Lecture Notes in Computational Vision and Biomechanics, ISSN 2212-9391
Keyword [en]
Fabric tensors; CBCT; Micro-CT; Generalized MIL tensor; GST; Trabecular bone
National Category
Medical Image Processing
Research subject
Medical Technology
URN: urn:nbn:se:kth:diva-179954DOI: 10.1007/978-3-319-13407-9_13ScopusID: 2-s2.0-84928237206ISBN: 978-3-319-13406-2ISBN: 978-3-319-13407-9OAI: diva2:890901
Swedish Research Council, 2012-3512VINNOVA, 2014-05329

QC 20160112

Available from: 2016-01-05 Created: 2016-01-05 Last updated: 2016-01-22Bibliographically approved

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Moreno, RodrigoSmedby, Örjan
Medical Image Processing

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