| Interpolating three-dimensional kinematic data using quaternion splines and hermite curves. | |
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MedLine Citation:
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PMID: 15971709 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Kinematic interpolation is an important tool in biomechanics. The purpose of this work is to describe a method for interpolating three-dimensional kinematic data, minimizing error while maintaining ease of calculation. This method uses cubic quaternion and hermite interpolation to fill gaps between kinematic data points. Data sets with a small number of samples were extracted from a larger data set and used to validate the technique. Two additional types of interpolation were applied and then compared to the cubic quaternion interpolation. Displacement errors below 2% using the cubic quaternion method were achieved using 4% of the total samples, representing a decrease in error over the other algorithms. |
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Authors:
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James Coburn; Joseph J Crisco |
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Publication Detail:
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Type: Comparative Study; Evaluation Studies; Journal Article; Research Support, N.I.H., Extramural; Research Support, U.S. Gov't, P.H.S. |
Journal Detail:
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Title: Journal of biomechanical engineering Volume: 127 ISSN: 0148-0731 ISO Abbreviation: J Biomech Eng Publication Date: 2005 Apr |
Date Detail:
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Created Date: 2005-06-23 Completed Date: 2005-08-30 Revised Date: 2007-11-14 |
Medline Journal Info:
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Nlm Unique ID: 7909584 Medline TA: J Biomech Eng Country: United States |
Other Details:
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Languages: eng Pagination: 311-7 Citation Subset: IM |
Affiliation:
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Bioengineering Laboratory, Dept. of Orthopaedics, Brown Medical School/Rhode Island Hospital, 1 Hoppin Street, Coro West, Suite 404, Providence, RI 02903, USA. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Algorithms* Animals Biomechanics / methods Computer Simulation Humans Image Enhancement / methods* Image Interpretation, Computer-Assisted / methods* Imaging, Three-Dimensional / methods* Joints / anatomy & histology*, physiology* Models, Biological Movement / physiology* Numerical Analysis, Computer-Assisted Reproducibility of Results Sensitivity and Specificity |
| Grant Support | |
ID/Acronym/Agency:
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AR44005/AR/NIAMS NIH HHS |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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