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Proceedings Paper

Exploring relationships between fractal dimension and trabecular bone characteristics
Author(s): Jeanpierre Guédon; Florent Autrusseau; Yves Amouriq; Pauline Bléry; Jean-Michel Bouler; Pierre Weiss; Francois-Xavier Barbarin; Thomas Dallet; Valentin Dallerit
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Paper Abstract

Bone microarchitecture is the predictor of bone quality or bone disease. It can only be measured on a bone biopsy, which is invasive and not available for all clinical situations. Texture analysis on radiographs is a common way to investigate bone microarchitecture. But relationships between three-dimension histomorphometric parameters and two-dimension texture parameters are not always well known, with poor results. The aim of this paper is twofold : to study one classical parameter namely the fractal dimension which is easily computed on the 2D binary texture and to explore its relationships with the microarchitecture. We performed several experiments in order to check from ground truth the different possible values and their possible explanations. The results show great variations of the fractal dimension according to the size of the window and its location. These variations can be explained both by a misuse of the algorithm and by the number of trabecular and their characteristics inside the window where the fractal dimension is computed. This study also shows a specific interest to work with dual fractal dimension of the bone-spongious tissues.

Paper Details

Date Published: 14 April 2012
PDF: 11 pages
Proc. SPIE 8317, Medical Imaging 2012: Biomedical Applications in Molecular, Structural, and Functional Imaging, 831717 (14 April 2012); doi: 10.1117/12.911164
Show Author Affiliations
Jeanpierre Guédon, Institut de Recherche en Communications et Cybernétique de Nantes, CNRS, Univ. de Nantes (France)
Florent Autrusseau, Institut de Recherche en Communications et Cybernétique de Nantes, CNRS, Univ. de Nantes (France)
Yves Amouriq, Institut de Recherche en Communications et Cybernétique de Nantes, CNRS, Univ. de Nantes (France)
Pauline Bléry, Institut de Recherche en Communications et Cybernétique de Nantes, CNRS, Univ. de Nantes (France)
Jean-Michel Bouler, Institut de Recherche en Communications et Cybernétique de Nantes, CNRS, Univ. de Nantes (France)
Pierre Weiss, Institut de Recherche en Communications et Cybernétique de Nantes, CNRS, Univ. de Nantes (France)
Francois-Xavier Barbarin, Institut de Recherche en Communications et Cybernétique de Nantes, CNRS, Univ. de Nantes (France)
Thomas Dallet, Institut de Recherche en Communications et Cybernétique de Nantes, CNRS, Univ. de Nantes (France)
Valentin Dallerit, Institut de Recherche en Communications et Cybernétique de Nantes, CNRS, Univ. de Nantes (France)


Published in SPIE Proceedings Vol. 8317:
Medical Imaging 2012: Biomedical Applications in Molecular, Structural, and Functional Imaging
Robert C. Molthen; John B. Weaver, Editor(s)

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