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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 45, Iss. 11 — Apr. 10, 2006
  • pp: 2437–2443

Compression of interference patterns with application to phase-shifting digital holography

Emmanouil Darakis and John J. Soraghan  »View Author Affiliations


Applied Optics, Vol. 45, Issue 11, pp. 2437-2443 (2006)
http://dx.doi.org/10.1364/AO.45.002437


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Abstract

A compression method of phase-shifting digital holographic data is presented. Three interference patterns are recorded, and holographic information is extracted from them by phase-shifting interferometry. The scheme uses standard baseline Joint Photographic Experts Group (JPEG) or standard JPEG-2000 image compression techniques on the recorded interference patterns to reduce the amount of data to be stored. High compression rates are achieved for good reconstructed object image quality. The utility of the proposed method is experimentally verified with real holographic data. Results for compression rates using JPEG-2000 and JPEG of approximately 27 and 20, respectively, for a normalized root-mean-square error of 0.7 are demonstrated.

© 2006 Optical Society of America

OCIS Codes
(040.1520) Detectors : CCD, charge-coupled device
(050.5080) Diffraction and gratings : Phase shift
(090.1760) Holography : Computer holography
(090.2880) Holography : Holographic interferometry
(100.2000) Image processing : Digital image processing
(110.3000) Imaging systems : Image quality assessment

History
Original Manuscript: July 20, 2005
Revised Manuscript: October 4, 2005
Manuscript Accepted: November 5, 2005

Citation
Emmanouil Darakis and John J. Soraghan, "Compression of interference patterns with application to phase-shifting digital holography," Appl. Opt. 45, 2437-2443 (2006)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-45-11-2437

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