A Gait Analysis Subsystem for Smoothing and Differentiation of Human Motion Data

[+] Author and Article Information
M. D. Lesh, J. M. Mansour, S. R. Simon

Gait Analysis Laboratory, Department of Orthopaedic Surgery, Children’s Hospital Medial Center and Harvard Medical School, Boston, Mass. 02115

J Biomech Eng 101(3), 205-212 (Aug 01, 1979) (8 pages) doi:10.1115/1.3426246 History: Received December 04, 1978; Online October 21, 2010


A computer-based subsystem has been implemented for the smoothing and differentiation of human motion data. Nonrecursive finite impulse response digital filtering has been employed for this purpose. Filter cutoff frequency was determined using a statistical error analysis. The method of data differentiation used here is compared to other methods presented in the literature.

Copyright © 1979 by ASME
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