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Journal of the Optical Society of America A

Journal of the Optical Society of America A


  • Vol. 19, Iss. 9 — Sep. 1, 2002
  • pp: 1755–1762

Object recognition using three-dimensional optical quasi-correlation

Youzhi Li and Joseph Rosen  »View Author Affiliations

JOSA A, Vol. 19, Issue 9, pp. 1755-1762 (2002)

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A novel method of three-dimensional (3-D) object recognition is proposed. Several projections of a 3-D target are recorded under white-light illumination and fused into a single complex two-dimensional function. After proper filtering, the resulting function is coded into a computer-generated hologram. When this hologram is coherently illuminated, a correlation space is reconstructed such that light peaks indicate the existence and locations of true targets in the observed 3-D scene. Experimental results and comparisons with results of another 3-D object recognition technique are presented.

© 2002 Optical Society of America

OCIS Codes
(090.1760) Holography : Computer holography
(090.2870) Holography : Holographic display
(100.4550) Image processing : Correlators
(100.5010) Image processing : Pattern recognition
(100.5090) Image processing : Phase-only filters
(100.6890) Image processing : Three-dimensional image processing
(110.4190) Imaging systems : Multiple imaging
(110.6880) Imaging systems : Three-dimensional image acquisition

Original Manuscript: January 30, 2002
Revised Manuscript: April 16, 2002
Manuscript Accepted: April 24, 2002
Published: September 1, 2002

Youzhi Li and Joseph Rosen, "Object recognition using three-dimensional optical quasi-correlation," J. Opt. Soc. Am. A 19, 1755-1762 (2002)

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