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Artifact-free reconstruction from off-axis digital holograms through nonlinear filtering

Pavillon, N and Unser, Michael and Depeursinge, Christian and Seelamantula, Chandra Sekhar (2010) Artifact-free reconstruction from off-axis digital holograms through nonlinear filtering. In: Optics, Photonics, and Digital Technologies for Multimedia Applications, Monday 12 April 2010, Brussels, Belgium.

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Official URL: http://spiedigitallibrary.org/proceedings/resource...

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.

Item Type: Conference Paper
Additional Information: Copyright of this article belongs to Spie-Int Soc Optical Engineering.
Department/Centre: Others
Date Deposited: 12 Jul 2011 07:42
Last Modified: 12 Jul 2011 07:42
URI: http://eprints.iisc.ernet.in/id/eprint/39113

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