Application Of Three-Dimensional Videography To Human Motion Studies: Constraints, Assumptions, And Mathematics

George T. Rab M.D.

doi:10.1117/12.942204

4 February 1988 Application Of Three-Dimensional Videography To Human Motion Studies: Constraints, Assumptions, And Mathematics

George T. Rab M.D.

Author Affiliations +

Proceedings Volume 0832, High Speed Photography, Videography, and Photonics V; (1988) https://doi.org/10.1117/12.942204
Event: 31st Annual Technical Symposium on Optical and Optoelectronic Applied Sciences and Engineering, 1987, San Diego, CA, United States

Abstract

Three-dimensional human motion analysis has been used for complex kinematic description of abnormal gait in children with neuromuscular disease. Multiple skin markers estimate skeletal segment position, and a sorting and smoothing routine provides marker trajectories. The position and orientation of the moving skeleton in space are derived mathematically from the marker positions, and joint motions are calculated from the Eulerian transformation matrix between linked proximal and distal skeletal segments. Reproduceability has been excellent, and the technique has proven to be a useful adjunct to surgical planning.

Citation Download Citation

George T. Rab M.D. "Application Of Three-Dimensional Videography To Human Motion Studies: Constraints, Assumptions, And Mathematics", Proc. SPIE 0832, High Speed Photography, Videography, and Photonics V, (4 February 1988); https://doi.org/10.1117/12.942204

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