Change in trabecular architecture as measured by fractal dimension

被引:12
|
作者
Berry, JL
Towers, JD
Webber, RL
Pope, TL
Davidai, G
Zimmerman, M
机构
[1] WAKE FOREST UNIV,BOWMAN GRAY SCH MED,DEPT DENT & RADIOL,WINSTON SALEM,NC 27157
[2] MONTEFIORE UNIV HOSP,DEPT RADIOL,PITTSBURGH,PA 15213
关键词
trabecular bone; fractals; Fourier transform;
D O I
10.1016/0021-9290(95)00113-1
中图分类号
Q6 [生物物理学];
学科分类号
071011 ;
摘要
The objective of this work was to expose dried trabecular bone material to a decalcifying environment and to quantify the change in the spatial distribution of the bone with a fractal measure. Digitized radiographic images were produced from four separate slices of human vertebral bone as they dissolved within a solution of nitric acid. Pixel data from a region of interest (ROI) within the trabecular bone were used to estimate the time-dependent change in fractal dimension of the ROI as the bone dissolved. Results demonstrated that a change in the spatial distribution of trabecular material may be expressed in terms of a concurrently changing estimate of the fractal dimension. (C) 1996 Elsevier Science Ltd.
引用
收藏
页码:819 / 822
页数:4
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