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Proceedings Paper

Application of ternary phase-amplitude correlation filters to LADAR range images
Author(s): David L. Flannery; William B. Hahn Jr.; Edward R. Washwell
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Paper Abstract

Ternary Phase-amplitude Filters (TPAFs) used in a real-time hybrid (optical/electronic) correlator system coniprise a promising pattern recognition approach with potential for iiear-term j)ractical applications. Range images obtained from LADAR sensors present unique problems due to their particular signal and noise characteristics. We report computer simulation results of the application of both known and new TPAF formulations to the problem of target recognition on actu al LA DAR. images. Binary input im ages suitable for input using magneto-optic spatial light modulators were gemierated by a simple preprocessing step which seems particularly suitable for these images. Experimental results verifying the simulated smart filter performance are presented. 1.

Paper Details

Date Published: 1 September 1990
PDF: 13 pages
Proc. SPIE 1297, Hybrid Image and Signal Processing II, (1 September 1990); doi: 10.1117/12.21315
Show Author Affiliations
David L. Flannery, Univ. of Dayton (United States)
William B. Hahn Jr., Univ. of Dayton (United States)
Edward R. Washwell, Lockheed Missiles & Space Co., Inc. (United States)

Published in SPIE Proceedings Vol. 1297:
Hybrid Image and Signal Processing II
David P. Casasent; Andrew G. Tescher, Editor(s)

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