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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 30, Iss. 3 — Feb. 1, 2005
  • pp: 236–238

Three-dimensional-object recognition by use of single-exposure on-axis digital holography

Bahram Javidi and Daesuk Kim  »View Author Affiliations


Optics Letters, Vol. 30, Issue 3, pp. 236-238 (2005)
http://dx.doi.org/10.1364/OL.30.000236


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Abstract

On-axis phase-shifting digital holography requires recording of multiple holograms. We describe a novel real-time three-dimensional- (3-D-) object recognition system that uses single-exposure on-axis digital holography. In contrast to 3-D-object recognition by means of a conventional phase-shifting scheme that requires multiple exposures, our proposed method requires only a single digital hologram to be synthesized and used to recognize 3-D objects. A benefit of the proposed 3-D recognition method is enhanced practicality of digital holography for 3-D recognition in terms of its simplicity and greater robustness to external scene parameters such as moving targets and environmental noise factors. We show experimentally the utility of the single-exposure on-axis digital holography-based 3-D-object recognition method.

© 2005 Optical Society of America

OCIS Codes
(070.4560) Fourier optics and signal processing : Data processing by optical means
(070.5010) Fourier optics and signal processing : Pattern recognition
(090.0090) Holography : Holography
(090.1760) Holography : Computer holography

Citation
Bahram Javidi and Daesuk Kim, "Three-dimensional-object recognition by use of single-exposure on-axis digital holography," Opt. Lett. 30, 236-238 (2005)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-30-3-236

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