Speckle Reduction of Reconstructions of Digital Holograms Using Gamma-Correction and Filtering | Zendy

Xiaohui Huang | Zendy; Zhenhong Jia | Zendy; Junlin Zhou | Zendy; Jie Yang | Zendy; Nikola Kasabov | Zendy

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Speckle Reduction of Reconstructions of Digital Holograms Using Gamma-Correction and Filtering

Author(s) -

Xiaohui Huang,

Zhenhong Jia,

Junlin Zhou,

Jie Yang,

Nikola Kasabov

Publication year - 2018

Publication title -

ieee access

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.587

H-Index - 127

ISSN - 2169-3536

DOI - 10.1109/access.2017.2751540

Subject(s) - aerospace , bioengineering , communication, networking and broadcast technologies , components, circuits, devices and systems , computing and processing , engineered materials, dielectrics and plasmas , engineering profession , fields, waves and electromagnetics , general topics for engineers , geoscience , nuclear engineering , photonics and electrooptics , power, energy and industry applications , robotics and control systems , signal processing and analysis , transportation

Speckle noise is inevitable in the process of acquiring of digital holograms. In this paper, a new approach is proposed to suppress the speckle noise in the digital hologram. The method is composed of two steps: 1) to enhance the noisy digital holograms by Gamma correction, and 2) to process the reconstructed images by filtering. It is demonstrated that the presented method can effectively reduce speckle noise in the digital hologram.

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