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Proceedings Paper

Optical processing of images from a military environment
Author(s): Emile J. Schweicher; Frank Dubois
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Paper Abstract

Several pure optical processing methods have been investigated in order to improve the quality of images from a military environment. Two methods proved unsuitable from the military viewpoint: the well know Vander Lugt matched filter and the classical spatial filtering by a 4f system with coherent illumination. On the other hand two other methods gave encouraging results : pseudocolour encoding of spatial frequencies and cryptography by means of a double aberrating medium. I.

Paper Details

Date Published: 16 December 1992
PDF: 5 pages
Proc. SPIE 1622, Emerging Optoelectronic Technologies, (16 December 1992); doi: 10.1117/12.637029
Show Author Affiliations
Emile J. Schweicher, Ecole Royale Militaire (Belgium)
Frank Dubois, Univ. Libre de Bruxelles (Belgium)

Published in SPIE Proceedings Vol. 1622:
Emerging Optoelectronic Technologies

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