Sparsity-based denoising method of wrapped-phase reconstructions in digital holography

Pasquale Memmolo; Maria Iannone; Maurizio Ventre; Paolo A. Netti; Andrea Finizio; Melania Paturzo; Pietro Ferraro

doi:10.1117/12.2020554

13 May 2013 Sparsity-based denoising method of wrapped-phase reconstructions in digital holography

Pasquale Memmolo, Maria Iannone, Maurizio Ventre, Paolo A. Netti, Andrea Finizio, Melania Paturzo, Pietro Ferraro

Author Affiliations +

Proceedings Volume 8788, Optical Measurement Systems for Industrial Inspection VIII; 878806 (2013) https://doi.org/10.1117/12.2020554
Event: SPIE Optical Metrology 2013, 2013, Munich, Germany

Abstract

We propose a sparsity-based denoising algorithm for digital holography retrieved wrapped phase maps (WPMs) mod 2π by using a modified version of the SPADEDH (SPArsity DEnoising of Digital Holograms) algorithm, proposed in [1]. We test the proposed method on both simulated wrapped phase reconstructions and experimental wrapped phase maps obtained by digital holograms of living cells. Finally, we also show that the proposed algorithm can be used as a helper for the typical local phase unwrapping algorithms.

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Pasquale Memmolo, Maria Iannone, Maurizio Ventre, Paolo A. Netti, Andrea Finizio, Melania Paturzo, and Pietro Ferraro "Sparsity-based denoising method of wrapped-phase reconstructions in digital holography", Proc. SPIE 8788, Optical Measurement Systems for Industrial Inspection VIII, 878806 (13 May 2013); https://doi.org/10.1117/12.2020554

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