Bone surface mapping method.

Bone surface mapping method.
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骨表面测绘法

DOI:
10.1371/journal.pone.0032926
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发表时间:
2012
期刊:
影响因子:
3.7
通讯作者:
Zhang B
Zhang B
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Fan Y;Fan Y;Li Z;Lv C;Zhang B

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骨形状是决定骨结构功能的重要因素。针对体内形状不对称、分布各向异性的骨骼,基于其几何变换不变性和惯性主轴的唯一性,提出了一种曲面映射方法。使用螺旋CT扫描,我们可以对体内骨骼进行精确测量。坐标变换产生惯性主轴,可以用来设置本初子午线和轮廓。采用断层扫描重建和边界显影等方法,可以绘制体内骨表面的图。实验结果表明,表面映射方法可以反映骨的形状特征,有助于研究体内骨的表面变化。只要获得数字化的表面,该方法就可以应用于研究器官、组织或细胞的表面特征和变化。
Bone shape is an important factor to determine the bone's structural function. For the asymmetrically shaped and anisotropically distributed bone in vivo, a surface mapping method is proposed on the bases of its geometric transformation invariance and its uniqueness of the principal axes of inertia. Using spiral CT scanning, we can make precise measurements to bone in vivo. The coordinate transformations lead to the principal axes of inertia, with which the prime meridian and the contour can be set. Methods such as tomographic reconstruction and boundary development are employed so that the surface of bone in vivo can be mapped. Experimental results show that the surface mapping method can reflect the shape features and help study the surface changes of bone in vivo. This method can be applied to research into the surface characteristics and changes of organ, tissue or cell whenever its digitalized surface is obtained.
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发表时间: 2006-01-01
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