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

  Articoli su Riviste JCR/ISI  (anno 2013)

Autori:  Memmolo P., Iannone M., Ventre M., Netti P.A., Finizio A., Paturzo M., Ferraro P

Affiliazione Autori:  Center for Advanced Biomaterials for Health Care@CRIB, Istituto Italiano di Tecnologia, Largo Barsanti e Matteucci 53, 80125 Napoli, Italy; CNR-Istituto Nazionale di Ottica, via Campi Flegrei 34, 80078 Pozzuoli (NA), Italy; Department of Materials and Production Engineering, University of Naples Federico II P.le Tecchio 80, 80125 Napoli, Italy

Riassunto:  We propose a sparsity-based denoising algorithm for digital holography retrieved wrapped phase maps (WPMs) mod 2 pi 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.

Rivista/Giornale:  PROCEEDINGS OF SPIE
Volume n.:  8788      Pagine da: 878806  a: 878806
DOI: 10.1117/12.2020554


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