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Figure 11
Quantitative comparison of IRTT and SASTT for the trabecular bone specimen. (a)–(b) 3D visualization of the main anisotropy direction: first eigenvector [{\buildrel\rightharpoonup\over v}_{\rm E1}] reconstructed by IRTT (a), and [{\buildrel\rightharpoonup\over v}_{\rm SASTT}] points along the principal direction of anisotropy from SASTT (b). (c) Histogram of the dot product of unit vectors [{\hat v}_{\rm E1} \cdot {\hat v}_{\rm SASTT}] across the whole sample. (d) Histogram of the dot product for voxels displaying clear directionality [{\lambda}_{1}\ge 2 \cdot \max({\lambda}_{2},{\lambda}_{3})].

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ISSN: 2053-2733
Volume 75| Part 2| March 2019| Pages 223-238
https://doi.org/10.1107/S2053273318017394
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