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Proceedings Paper

Multiplexed binary phase-only circular harmonic filters
Author(s): Yunlong Sheng; Luc Leclerc; Henri H. Arsenault
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Paper Abstract

Multiplexed binary phase-only filters provide simultaneously multiple correlations for an input object. A theoretical harmonic analysis allows estimation of the crosstalk among component filters, caused by the nonlinear binarization. A method thresholding a combination of the component phase-only filters is proposed to recover the correlation peak intensities of the component filters. Experimental results using multiplexed binary phase-only circular harmonic filters for rotation invariant pattern recognition is presented.

Paper Details

Date Published: 1 November 1991
PDF: 10 pages
Proc. SPIE 1564, Optical Information Processing Systems and Architectures III, (1 November 1991); doi: 10.1117/12.49722
Show Author Affiliations
Yunlong Sheng, Univ. Laval (Canada)
Luc Leclerc, Univ. Laval (Canada)
Henri H. Arsenault, Univ. Laval (Canada)


Published in SPIE Proceedings Vol. 1564:
Optical Information Processing Systems and Architectures III
Bahram Javidi, Editor(s)

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