Strategies for reducing speckle noise in digital holography

Vittorio Bianco; Pasquale Memmolo; Marco Leo; Silvio Montresor; Cosimo Distante; Melania Paturzo; Pascal Picart; Bahram Javidi; Pietro Ferraro

doi:10.1038/s41377-018-0050-9

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Strategies for reducing speckle noise in digital holography

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- Strategies for reducing speckle noise in digital holography
- Light: Science & Applications Vol. 7, Issue 5, Pages: 347-362(2018)
- Affiliations：
  
  1.CNR-ISASI Istituto di Scienze Applicate e Sistemi Intelligenti "E. Caianiello", via Campi Flegrei 34, 80078, Pozzuoli (NA), Italy
  2.Université du Maine, CNRS UMR 6613, LAUM, Avenue Olivier Messiaen, 72085, Le Mans Cedex 9, France
  3.Electrical and Computer Engineering Department, University of Connecticut, U-4157, Storrs, CT, 06269, USA
- Author bio：
  
  Pasquale Memmolo (p.memmolo@isasi.cnr.it)
- Funds：
- DOI：10.1038/s41377-018-0050-9
  CLC：
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Bianco, V. et al. Strategies for reducing speckle noise in digital holography. Light: Science & Applications, 7, 347-362 (2018).
DOI：

Bianco, V. et al. Strategies for reducing speckle noise in digital holography. Light: Science & Applications, 7, 347-362 (2018). DOI： 10.1038/s41377-018-0050-9.

摘要

Abstract

Digital holography (DH) has emerged as one of the most effective coherent imaging technologies. The technological developments of digital sensors and optical elements have made DH the primary approach in several research fields, from quantitative phase imaging to optical metrology and 3D display technologies, to name a few. Like many other digital imaging techniques, DH must cope with the issue of speckle artifacts, due to the coherent nature of the required light sources. Despite the complexity of the recently proposed de-speckling methods, many have not yet attained the required level of effectiveness. That is, a universal denoising strategy for completely suppressing holographic noise has not yet been established. Thus the removal of speckle noise from holographic images represents a bottleneck for the entire optics and photonics scientific community. This review article provides a broad discussion about the noise issue in DH, with the aim of covering the best-performing noise reduction approaches that have been proposed so far. Quantitative comparisons among these approaches will be presented.

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