Non-Bayesian noise reduction in digital holography by random resampling masks (Contributo in atti di convegno)

Type
Label
  • Non-Bayesian noise reduction in digital holography by random resampling masks (Contributo in atti di convegno) (literal)
Anno
  • 2013-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1117/12.2020865 (literal)
Alternative label
  • Bianco, Vittorio; Paturzo, Melania; Memmolo, Pasquale; Finizio, Andrea; Javidi, Bahram; Ferraro, Pietro (2013)
    Non-Bayesian noise reduction in digital holography by random resampling masks
    in Conference on Optical Measurement Systems for Industrial Inspection VIII, Munich, GERMANY, MAY 13-16, 2013
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Bianco, Vittorio; Paturzo, Melania; Memmolo, Pasquale; Finizio, Andrea; Javidi, Bahram; Ferraro, Pietro (literal)
Pagina inizio
  • 878831 (literal)
Pagina fine
  • 878831 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.scopus.com/inward/record.url?eid=2-s2.0-84880706070&partnerID=q2rCbXpz (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#titoloVolume
  • Optical Measurement Systems for Industrial Inspection VIII (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 8788 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#volumeInCollana
  • 8788 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 7 (literal)
Note
  • ISI Web of Science (WOS) (literal)
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Istituto Nazionale di Ottica (INO-CNR), via Campi Flegrei 34, I-80078, Pozzuoli, Italy; Istituto Italiano di Tecnologia (IIT), L. Barsanti e Matteucci 53, I-80125, Naples, Italy; ECE Department, University of Connecticut, U-157, Storrs, CT 06269, United States (literal)
Titolo
  • Non-Bayesian noise reduction in digital holography by random resampling masks (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#isbn
  • 978-0-8194-9604-1 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#curatoriVolume
  • Lehmann, PH; Osten, W; Albertazzi, A (literal)
Abstract
  • Images from coherent laser sources are severely degraded by a mixture of speckle and incoherent additive noise. In digital holography, Bayesian approaches reduce the incoherent noise, but prior information are needed about the noise statistics. On the other hand, non-Bayesian techniques presents the shortcomings of resolution loss or very complex acquisition systems, required to record multiple uncorrelated holograms to be averaged. Here we propose a fast non-Bayesian method which performs a numerical synthesis of a moving diffuser in order to reduce the noise. The method does not depend on prior knowledge of the noise statistics and the proposed technique is one-shot, as only one single hologram capture is required. Indeed, starting from a single acquisition multiple uncorrelated reconstructions are provided by random sparse resampling masks, which can be incoherently averaged. Experiments show a significant improvement, close to the theoretical bound. Noteworthy, this is achieved while preserving the resolution of the unprocessed image. (literal)
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