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Optics Letters

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  • Vol. 25, Iss. 9 — May. 1, 2000
  • pp: 610–612

Three-dimensional object recognition by use of digital holography

Bahram Javidi and Enrique Tajahuerce  »View Author Affiliations


Optics Letters, Vol. 25, Issue 9, pp. 610-612 (2000)
http://dx.doi.org/10.1364/OL.25.000610


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Abstract

We present a technique for performing three-dimensional (3D) pattern recognition by use of in-line digital holography. The complex amplitude distribution generated by a 3D object at an arbitrary plane located in the Fresnel diffraction region is recorded by phase-shifting interferometry. The digital hologram contains information about the 3D object's shape, location, and orientation. This information allows us to perform 3D pattern-recognition techniques with high discrimination and to measure 3D orientation changes. Experimental results are presented.

© 2000 Optical Society of America

OCIS Codes
(090.1760) Holography : Computer holography
(100.0100) Image processing : Image processing
(100.4550) Image processing : Correlators
(100.5010) Image processing : Pattern recognition
(100.6890) Image processing : Three-dimensional image processing

Citation
Bahram Javidi and Enrique Tajahuerce, "Three-dimensional object recognition by use of digital holography," Opt. Lett. 25, 610-612 (2000)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-25-9-610


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