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3D laser measurements of bare and shod feet during walking

机译：步行过程中裸脚和破脚的3D激光测量

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摘要

This article presents a new system for 3D foot-shape measurements during walking. It is based on the laser-triangulation, multiple-line-illumination and color-modulation techniques. It consists of a walking stage and four measuring modules that simultaneously acquire the foot shape from the top, bottom and side views. The measuring speed is 30. fps. Custom-developed software makes it possible to analyze the foot's dimensions at an arbitrary cross-section by means of the width, height, girth and section orientation. Six subjects were measured during bare and shod walking, and the bare foot and the outside dimensions of the footwear during the entire stance phase are presented. The relative measurement repeatability of a single subject is 0.5% for bare foot and 1% for shod foot. This means that it is possible to study the differences between various influences on the foot-shape dynamics, such as a bare/shod foot, different loading conditions and the shoe's stiffness condition.
机译：本文介绍了一种用于行走过程中3D脚形测量的新系统。它基于激光三角测量，多线照明和颜色调制技术。它由一个行走台和四个测量模块组成，这些模块可同时从顶视图，底视图和侧视图获取脚的形状。测量速度为30 fps。定制开发的软件可以通过宽度，高度，周长和截面方向来分析任意横截面上的脚的尺寸。在赤脚行走和穿鞋行走期间测量了六个对象，并显示了整个站立阶段的裸脚和鞋的外部尺寸。单个对象的相对测量可重复性，赤脚为0.5％，而红脚为1％。这意味着可以研究对脚部形状动力学的各种影响之间的差异，例如裸脚/脚，不同的负载条件和鞋子的刚度条件。

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