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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editors: Andrew Dunn and Anthony Durkin
  • Vol. 7, Iss. 2 — Feb. 1, 2012

Stereophotogrammetric 3D shape measurement by holographic methods using structured speckle illumination combined with interferometry

Holger Babovsky, Marcus Grosse, Johannes Buehl, Armin Kiessling, and Richard Kowarschik  »View Author Affiliations


Optics Letters, Vol. 36, Issue 23, pp. 4512-4514 (2011)
http://dx.doi.org/10.1364/OL.36.004512


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Abstract

We present a unique combination of the numerical three-dimensional (3D) reconstruction of the shape of an object with interferometric deformation measurements. Two cameras record several holograms of an object that is illuminated by structured illumination. This illumination is realized by speckle patterns. To improve the image quality, an inplace speckle reduction technique is combined with the structured illumination to reduce the effect of disturbing subjective speckles which appear in the reconstructed images. Stereophotogrammetric methods are applied to extract the 3D surface information of the object out of the reconstructed images. Since the recording is done by holography and because stereophotogrammetry enables a pointwise correlation between the two views, it is possible to combine other holographic techniques with the reconstructed 3D shape. This is demonstrated by an interferometric deformation measurement of an object cooling down. The resulting interferometric fringes are mapped onto the reconstructed 3D surface. Hence, the proposed method enables automatic and dense matching of interferometric fringe-maps recorded by spatially separated holograms onto the surface of the object, which has not yet been realized by existing techniques.

© 2011 Optical Society of America

OCIS Codes
(090.2880) Holography : Holographic interferometry
(150.6910) Machine vision : Three-dimensional sensing
(090.1995) Holography : Digital holography
(280.4788) Remote sensing and sensors : Optical sensing and sensors

ToC Category:
Holography

History
Original Manuscript: July 6, 2011
Revised Manuscript: October 14, 2011
Manuscript Accepted: October 14, 2011
Published: November 22, 2011

Virtual Issues
Vol. 7, Iss. 2 Virtual Journal for Biomedical Optics

Citation
Holger Babovsky, Marcus Grosse, Johannes Buehl, Armin Kiessling, and Richard Kowarschik, "Stereophotogrammetric 3D shape measurement by holographic methods using structured speckle illumination combined with interferometry," Opt. Lett. 36, 4512-4514 (2011)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ol-36-23-4512

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Supplementary Material


» Media 1: GIF (3056 KB)     
» Media 2: AVI (3967 KB)     
» Media 3: AVI (3594 KB)     
» Media 4: AVI (3810 KB)     

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