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Medical & Biological Engineering & Computing

Erschienen in:

01.12.2006 | Technical Note

Effect of marker cluster design on the accuracy of human movement analysis using stereophotogrammetry

verfasst von: A. Page, H. De Rosario, V. Mata, J. V. Hoyos, R. Porcar

Erschienen in: Medical & Biological Engineering & Computing | Ausgabe 12/2006

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Abstract

This paper presents a new, simple model to evaluate the instrumental random errors in kinematic analysis of human movements using stereophotogrammetry. By means of equations analogous to that relate linear or angular momentum with linear or angular velocities, a direct measurement of instantaneous motion can be made without previous finite displacement analysis. Single explicit expressions can be obtained to evaluate the influence of instrumental random errors in the accuracy of the kinematic variables. From these expressions, some conclusions about the effect of marker cluster design on the experimental errors are obtained. An experiment has been carried out in order to validate the proposed technique and to assess the experimental errors in linear and angular velocity measurement and its influence in instantaneous helical axis determination.

Vorheriger Artikel Optimization design of thumbspica splint using finite element method

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Titel: Effect of marker cluster design on the accuracy of human movement analysis using stereophotogrammetry
verfasst von: A. Page
H. De Rosario
V. Mata
J. V. Hoyos
R. Porcar
Publikationsdatum: 01.12.2006
Verlag: Springer-Verlag
Erschienen in: Medical & Biological Engineering & Computing / Ausgabe 12/2006
Print ISSN: 0140-0118
Elektronische ISSN: 1741-0444
DOI: https://doi.org/10.1007/s11517-006-0124-3

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