Geraets W G, van der Stelt P F
Department of Radiology, ACTA, Academic Centre for Dentistry, Amsterdam, The Netherlands.
Dentomaxillofac Radiol. 2000 May;29(3):144-53. doi: 10.1038/sj/dmfr/4600524.
To introduce the applications of fractal analysis of bone in medical imaging in general and dental radiographs in particular.
Various methods for measuring fractal dimension have been used to compare normal with osteoporotic bone with contradictory results. This disparity may be attributed to differences in the anatomical sites studied and differences in methods used to obtain the 2D images. However, differences in methods used to measure fractal dimension can also be responsible.
When fractal dimension is used to study bone it must be remembered that all stages in the analytical chain have an impact on the results. Thus, to obtain more conclusive results, studies on the fractal dimension of bone should be carefully designed and individual methods thoroughly evaluated.
总体介绍骨骼分形分析在医学成像中的应用,特别是在牙科X光片中的应用。
已使用多种测量分形维数的方法来比较正常骨骼和骨质疏松骨骼,结果相互矛盾。这种差异可能归因于所研究解剖部位的不同以及获取二维图像的方法差异。然而,用于测量分形维数的方法差异也可能是原因之一。
当使用分形维数研究骨骼时,必须记住分析链中的所有阶段都会对结果产生影响。因此,为了获得更具结论性的结果,应仔细设计关于骨骼分形维数的研究,并对各个方法进行全面评估。