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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 14, Iss. 12 — Jun. 12, 2006
  • pp: 5129–5134

A companding approach for nonuniform quantization of digital holograms of three-dimensional objects

Alison E. Shortt, Thomas J. Naughton, and Bahram Javidi  »View Author Affiliations

Optics Express, Vol. 14, Issue 12, pp. 5129-5134 (2006)

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We apply two novel nonuniform quantization techniques to digital holograms of three-dimensional real-world objects. Our companding approach, combines the efficiency of uniform quantization with the improved performance of nonuniform quantization. We show that the performance of companding techniques can be comparable with k-means clustering and a competitive neural network, while only requiring a single-pass processing step. The quantized holographic pixels are coded using lossless techniques for the calculation of compression ratio.

© 2006 Optical Society of America

OCIS Codes
(090.0090) Holography : Holography
(100.2000) Image processing : Digital image processing
(100.6890) Image processing : Three-dimensional image processing

ToC Category:

Original Manuscript: April 13, 2006
Manuscript Accepted: May 15, 2006
Published: June 12, 2006

Alison E. Shortt, Thomas J. Naughton, and Bahram Javidi, "A companding approach for nonuniform quantization of digital holograms of three-dimensional objects," Opt. Express 14, 5129-5134 (2006)

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