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Proceedings Paper

Artifact-free reconstruction from off-axis digital holograms through nonlinear filtering
Author(s): Nicolas Pavillon; Chandra Sekhar Seelamantula; Michael Unser; Christian Depeursinge
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Paper Abstract

We present experimental investigation of a new reconstruction method for off-axis digital holographic microscopy (DHM). This method effectively suppresses the object auto-correlation, commonly called the zero-order term, from holographic measurements, thereby suppressing the artifacts generated by the intensities of the two beams employed for interference from complex wavefield reconstruction. The algorithm is based on non-linear filtering, and can be applied to standard DHM setups, with realistic recording conditions. We study the applicability of the technique under different experimental configurations, such as topographic images of microscopic specimens or speckle holograms.

Paper Details

Date Published: 5 May 2010
PDF: 9 pages
Proc. SPIE 7723, Optics, Photonics, and Digital Technologies for Multimedia Applications, 77231U (5 May 2010); doi: 10.1117/12.854178
Show Author Affiliations
Nicolas Pavillon, Ecole Polytechnique Fédérale de Lausanne (Switzerland)
Chandra Sekhar Seelamantula, Indian Institute of Science, Bangalore (India)
Michael Unser, Ecole Polytechnique Fédérale de Lausanne (Switzerland)
Christian Depeursinge, Ecole Polytechnique Fédérale de Lausanne (Switzerland)

Published in SPIE Proceedings Vol. 7723:
Optics, Photonics, and Digital Technologies for Multimedia Applications
Peter Schelkens; Touradj Ebrahimi; Gabriel Cristóbal; Frédéric Truchetet; Pasi Saarikko, Editor(s)

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