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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 41, Iss. 20 — Jul. 10, 2002
  • pp: 4124–4132

Compression of Digital Holograms for Three-Dimensional Object Reconstruction and Recognition

Thomas J. Naughton, Yann Frauel, Bahram Javidi, and Enrique Tajahuerce  »View Author Affiliations


Applied Optics, Vol. 41, Issue 20, pp. 4124-4132 (2002)
http://dx.doi.org/10.1364/AO.41.004124


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Abstract

We present the results of applying lossless and lossy data compression to a three-dimensional object reconstruction and recognition technique based on phase-shift digital holography. We find that the best lossless (Lempel-Ziv, Lempel-Ziv-Welch, Huffman, Burrows-Wheeler) compression rates can be expected when the digital hologram is stored in an intermediate coding of separate data streams for real and imaginary components. The lossy techniques are based on subsampling, quantization, and discrete Fourier transformation. For various degrees of speckle reduction, we quantify the number of Fourier coefficients that can be removed from the hologram domain, and the lowest level of quantization achievable, without incurring significant loss in correlation performance or significant error in the reconstructed object domain.

© 2002 Optical Society of America

OCIS Codes
(090.1760) Holography : Computer holography
(100.0100) Image processing : Image processing
(100.2000) Image processing : Digital image processing
(100.5010) Image processing : Pattern recognition
(100.6890) Image processing : Three-dimensional image processing
(110.4280) Imaging systems : Noise in imaging systems

Citation
Thomas J. Naughton, Yann Frauel, Bahram Javidi, and Enrique Tajahuerce, "Compression of Digital Holograms for Three-Dimensional Object Reconstruction and Recognition," Appl. Opt. 41, 4124-4132 (2002)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-41-20-4124

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