Handling missing marker coordinates in 3D analysis

被引：2
|
作者：
Desjardins, P [1 ]
Plamondon, A
Nadeau, S
Delisle, A
机构：
[1] Ctr Rech Interdisciplinaire & Readaptat Montreal, Inst Readaptat Montreal, Montreal, PQ, Canada
[2] Inst Rech Robert Sauve, Montreal, PQ, Canada
[3] Univ Montreal, Fac Med, Ecole Readaptat, Montreal, PQ, Canada
来源：
MEDICAL ENGINEERING & PHYSICS | 2002年 / 24卷 / 06期
基金：
加拿大健康研究院; 加拿大自然科学与工程研究理事会;
关键词：
three-dimensional; kinematics; missing coordinates; interpolation; biomechanical data acquisition and treatment;
D O I：
10.1016/S1350-4533(02)00035-8
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
The use of mathematical formulations to retrieve missing data is not usually implemented as an automated computer procedure. The purpose of this paper is to present a simple mathematical formulation that can be used to retrieve the coordinates of markers hidden during a task. A strategy based on the smoothness of the variation of distance between points is devised, which leads to an automated computer procedure for retrieving hidden skin markers or missing joint. coordinates (missing 3D points). This approach has the advantage of not being restricted to the usual rigid-body assumption. (C) 2002 IPEM. Published by Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：437 / 440
页数：4
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