Object recognition using three-dimensional optical quasi-correlation
JOSA A, Vol. 19, Issue 9, pp. 1755-1762 doi:10.1364/JOSAA.19.001755
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- 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
Citation
Youzhi Li and Joseph Rosen, "Object recognition using three-dimensional optical quasi-correlation," J. Opt. Soc. Am. A 19, 1755-1762 (2002)
http://www.opticsinfobase.org/abstract.cfm?URI=josaa-19-9-1755
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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
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