Measuring 3-D Displacement Of A Surface Using The White Light Speckle Technique

Lars Benckert; Mikael Jonsson; Nils-Erik Molin

doi:10.1117/12.952377

16 July 1986 Measuring 3-D Displacement Of A Surface Using The White Light Speckle Technique

Lars Benckert, Mikael Jonsson, Nils-Erik Molin

Author Affiliations +

Proceedings Volume 0599, Optics in Engineering Measurement; (1986) https://doi.org/10.1117/12.952377
Event: 1985 International Technical Symposium/Europe, 1985, Cannes, France

Abstract

When measuring in plane surface deformation using white light speckle photography, errors will arise if an out of plane displacement is present. Here it is shown that stereoscopic photography resolves this problem and makes the measurement of true in plane displacements possible. A rigid body translation is also introduced to determine unambiguously the direction of the displacement.

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Lars Benckert, Mikael Jonsson, and Nils-Erik Molin "Measuring 3-D Displacement Of A Surface Using The White Light Speckle Technique", Proc. SPIE 0599, Optics in Engineering Measurement, (16 July 1986); https://doi.org/10.1117/12.952377

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