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Optical Engineering

Measuring True In-Plane Displacements Of A Surface By Stereoscopic White-Light Speckle Photography
Author(s): Lars Benckert; Mikael Jonsson; Nils-Erik Molin
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Paper Abstract

When in-plane surface deformations are measured using white-light speckle photography, errors arise if an out-of-plane displacement is present. Stereoscopic photography resolves this problem and makes possible the measurement of true in-plane displacements. A rigid-body translation is introduced to determine unambiguously the direction of the displacement.

Paper Details

Date Published: 1 February 1987
PDF: 3 pages
Opt. Eng. 26(2) 262167 doi: 10.1117/12.7974043
Published in: Optical Engineering Volume 26, Issue 2
Show Author Affiliations
Lars Benckert, Lulea University of Technology (Sweden)
Mikael Jonsson, Lulea University of Technology (Sweden)
Nils-Erik Molin, Lulea University of Technology (Sweden)

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