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Proceedings Paper

Ground exploitation using a binary phase-only optical correlator
Author(s): Samuel Peter Kozaitis; Sandra L. Halby; Wesley E. Foor
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Paper Abstract

Experimental results of an optical binary phase-only correlator using aerial imagery for ground exploitation is presented. The correlator uses magnetooptic spatial light modulators (SLMs) for dynamic operation. Input images to the correlator originate from actual aerial imagery containing aircraft and a variety of distortions. Digital image processing techniques are used on images before being input into the optical correlator to enhance the performance of the system. Filters or templates used as a database for the system are derived from models of aircraft. Rotation and scale invariance is achieved through an adaptive filtering technique in which filters are displayed sequentially against an input image. Experimental results are presented which show that the system performs well with different types of segmented images.

Paper Details

Date Published: 27 December 1990
PDF: 11 pages
Proc. SPIE 1347, Optical Information Processing Systems and Architectures II, (27 December 1990); doi: 10.1117/12.23418
Show Author Affiliations
Samuel Peter Kozaitis, Florida Institute of Technology (United States)
Sandra L. Halby, Rome Air Development Ctr. (United States)
Wesley E. Foor, Rome Air Development Ctr. (United States)

Published in SPIE Proceedings Vol. 1347:
Optical Information Processing Systems and Architectures II
Bahram Javidi, Editor(s)

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