足部解剖标志的三维表征和定位

Xiang Liu, Wangdo Kim, B. Drerup
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引用次数: 30

摘要

体表解剖标志对形体和运动分析具有重要意义。本文提出了一种从FastSCAN (Polhemus, Colchester, Vermont, USA)收集的分散的3D表面点中提取足部解剖地标的方法。通过最小二乘曲面拟合,从散点重构曲面,计算高斯曲率和平均曲率。由底层肌肉和骨骼结构形成的地标在Koenderink形状索引图上清晰地区分开来。足弓高度和胫骨扭转等标志的位置可作进一步分析。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
3D characterization and localization of anatomical landmarks of the foot
The anatomical landmarks on the body surface are important to shape and motion analysis. This paper presents a method for extracting anatomical landmarks on the foot from scattered 3D surface points collected by FastSCAN (Polhemus, Colchester, Vermont, USA). By least squares surface fitting, the surface is reconstructed from the scattered points and the Gaussian curvature and mean curvature are calculated. The landmarks formed by underlying muscles and skeletal structures distinguish themselves clearly on the Koenderink shape index maps. The loci of landmarks avail further analysis such as the arch height and tibial torsion.
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