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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Editor: Zhizhan Xu
  • Vol. 11, Iss. 5 — May. 1, 2013
  • pp: 050901–

Fast compression of computer-generated holographic images based on a GPU-accelerated skip-dimension vector quantization method

Y. K. Lam, W. C. Situ, and P. W. M. Tsang  »View Author Affiliations


Chinese Optics Letters, Vol. 11, Issue 5, pp. 050901- (2013)


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Abstract

A method for fast and low bit-rate compression of digital holograms based on a new vector quantization (VQ) method known as the skip-dimension VQ (SDVQ) is proposed. Briefly, a complex hologram is converted into a real off-axis hologram, and partitioned into a set of image vectors. The image vectors are passed into a graphic processing unit (GPU), and compressed through SDVQ into a set of code indices considerably smaller in data size than the source hologram. Experimental evaluation reveals that our scheme is capable of compressing a digital hologram to a compression ratio of over 500 times, in approximately 20-22 ms.

© 2013 Chinese Optics Letters

OCIS Codes
(090.0090) Holography : Holography
(100.0100) Image processing : Image processing
(200.0200) Optics in computing : Optics in computing

ToC Category:
Holography

Citation
Y. K. Lam, W. C. Situ, and P. W. M. Tsang, "Fast compression of computer-generated holographic images based on a GPU-accelerated skip-dimension vector quantization method," Chin. Opt. Lett. 11, 050901- (2013)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-11-5-050901

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