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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Vol. 7, Iss. 12 — Dec. 1, 2009
  • pp: 1092–1096

An enhanced method for fast generation of hologram sub-lines

P. W. M. Tsang, J. P. Liu, K. W. K. Cheung, and T.-C. Poon  »View Author Affiliations


Chinese Optics Letters, Vol. 7, Issue 12, pp. 1092-1096 (2009)


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Abstract

Sub-lines are one-dimensional diffraction patterns representing the light beams emerging from horizontal planes of an object image. Past research has demonstrated that the sub-lines can be encapsulated as a multi-bank filtering process, and implemented with a field programmable gate array (FPGA) device. As the complexity of the filters is high, their length and the number of input pins have to be reduced substantially, hence leading to degradation on the reconstructed images. We propose an enhanced method to overcome the problem by binarizing the filters' coefficients, and half-toning the pixel intensities of the object image. Experimental evaluation reveals that our method results in reconstructed images are superior to that obtained with the parent method.

© 2009 Chinese Optics Letters

OCIS Codes
(090.0090) Holography : Holography
(090.1995) Holography : Digital holography

Citation
P. W. M. Tsang, J. P. Liu, K. W. K. Cheung, and T.-C. Poon, "An enhanced method for fast generation of hologram sub-lines," Chin. Opt. Lett. 7, 1092-1096 (2009)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-7-12-1092

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