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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editors: Andrew Dunn and Anthony Durkin
  • Vol. 8, Iss. 7 — Aug. 1, 2013

Synthesis method from low-coherence digital holograms for improvement of image quality in holographic display

Yutaka Mori and Takanori Nomura  »View Author Affiliations


Applied Optics, Vol. 52, Issue 16, pp. 3838-3844 (2013)
http://dx.doi.org/10.1364/AO.52.003838


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Abstract

In holographic displays, it is undesirable to observe the speckle noises with the reconstructed images. A method for improvement of reconstructed image quality by synthesizing low-coherence digital holograms is proposed. It is possible to obtain speckleless reconstruction of holograms due to low-coherence digital holography. An image sensor records low-coherence digital holograms, and the holograms are synthesized by computational calculation. Two approaches, the threshold-processing and the picking-a-peak methods, are proposed in order to reduce random noise of low-coherence digital holograms. The reconstructed image quality by the proposed methods is compared with the case of high-coherence digital holography. Quantitative evaluation is given to confirm the proposed methods. In addition, the visual evaluation by 15 people is also shown.

© 2013 Optical Society of America

OCIS Codes
(110.3000) Imaging systems : Image quality assessment
(090.1995) Holography : Digital holography
(070.7345) Fourier optics and signal processing : Wave propagation

ToC Category:
Holography

History
Original Manuscript: February 6, 2013
Revised Manuscript: April 26, 2013
Manuscript Accepted: April 29, 2013
Published: May 30, 2013

Virtual Issues
Vol. 8, Iss. 7 Virtual Journal for Biomedical Optics

Citation
Yutaka Mori and Takanori Nomura, "Synthesis method from low-coherence digital holograms for improvement of image quality in holographic display," Appl. Opt. 52, 3838-3844 (2013)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ao-52-16-3838

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