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Proceedings Paper

Optimal correlation with ternary phase-amplitude filters in a binary discrimination tree
Author(s): David L. Calloway
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Paper Abstract

Ternary Phase-Amplitude Filters (TPAFs) have several advantages in optical pattern recognition applications. These advantages include effective signal-to-noise and signal-to- clutter translation-invariant discrimination ability, relatively high optical efficiency, and implicitly efficient storage of the filters. However, TPAFs are sensitive to changes in scale and rotation. Thus, relatively large numbers of filters must be applied to uniquely identify a particular target image. This paper proposes the use of binary discrimination tree to significantly reduce the number of filter applications required to identify a target image in a real-time target recognition environment.

Paper Details

Date Published: 25 October 1993
PDF: 12 pages
Proc. SPIE 1959, Optical Pattern Recognition IV, (25 October 1993); doi: 10.1117/12.160287
Show Author Affiliations
David L. Calloway, Air Force Wright Lab. (United States)

Published in SPIE Proceedings Vol. 1959:
Optical Pattern Recognition IV
David P. Casasent, Editor(s)

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