Design Of A Digital Filter To Eliminate High Frequency Noise From Noncontiguous Film Coordinate Data

William Anderson; Robert Martin

doi:10.1117/12.932306

24 February 1982 Design Of A Digital Filter To Eliminate High Frequency Noise From Noncontiguous Film Coordinate Data

William Anderson, Robert Martin

Proceedings Volume 0291, 2nd Intl Symp of Biomechanics Cinematography and High Speed Photography; (1982) https://doi.org/10.1117/12.932306
Event: 25th Annual Technical Symposium, 1981, San Diego, United States

Abstract

The Naval Biodynamics Laboratory (NBDL) in New Orleans is investigating the human response to different acceleration environments. In controlled experiments rigid clusters of targets are attached to specific anatomical segments of human volunteers and photographed by at least two high-speed cinematographic cameras. The x,y coordinates of each target are digitized and used in calculations describing the three-dimensional linear and angular motion of the anatomical segments. The digitized target coordinates contain significant broadband, high frequency noise which seriously compromises the usefulness of the data. An efficient recursive digital filter algorithm, developed to remove the noise from the data, is presented in this paper.

Citation Download Citation

William Anderson and Robert Martin "Design Of A Digital Filter To Eliminate High Frequency Noise From Noncontiguous Film Coordinate Data", Proc. SPIE 0291, 2nd Intl Symp of Biomechanics Cinematography and High Speed Photography, (24 February 1982); https://doi.org/10.1117/12.932306

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