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

Darakis, E. and Soraghan, J.J. (2006) Compression of interference patterns with application to phase-shifting digital holography. Applied Optics, 45 (11). pp. 2437-2443. ISSN 1559-128X

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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.

Item type: Article
ID code: 3604
Keywords: detectors, CCD, charge-coupled device, diffraction and gratings, phase shift, holography, computer holography, holographic interferometry, image processing, digital image processing, imaging systems, image quality assessment, Electrical engineering. Electronics Nuclear engineering, Atomic and Molecular Physics, and Optics
Subjects: Technology > Electrical engineering. Electronics Nuclear engineering
Department: Faculty of Engineering > Electronic and Electrical Engineering
Unknown Department
Related URLs:
    Depositing user: Strathprints Administrator
    Date Deposited: 08 Jun 2007
    Last modified: 03 Jul 2014 13:50
    URI: http://strathprints.strath.ac.uk/id/eprint/3604

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