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Proceedings Paper

Correlation peak shift between matched-phase and maximum-intensity coupled filters
Author(s): Richard D. Juday; Stanley E. Monroe Jr.; Bhagavatula Vijaya Kumar
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Paper Abstract

Tracking algorithms that follow a correlation peak benefit from a close relationship between center of target and center of correlation peak. Filters constructed on spatial light modulators with coupled phase and amplitude may be optimized according to various criteria. Matched- phase filters are guaranteed to center the correlation peak, but matched phase does not result from optimizing a wide variety of metrics on a coupled modulator. Laboratory results reported here bear out previous conjecture that the largest peak shift is less than half a pixel per axis.

Paper Details

Date Published: 1 March 1994
PDF: 10 pages
Proc. SPIE 2237, Optical Pattern Recognition V, (1 March 1994); doi: 10.1117/12.169414
Show Author Affiliations
Richard D. Juday, NASA Johnson Space Ctr. (United States)
Stanley E. Monroe Jr., Lockheed Engineering and Sciences Co. (United States)
Bhagavatula Vijaya Kumar, Carnegie Mellon Univ. (United States)

Published in SPIE Proceedings Vol. 2237:
Optical Pattern Recognition V
David P. Casasent; Tien-Hsin Chao, Editor(s)

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