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Proceedings Paper

Low Frequency De-Emphasis Of The MTF. II Two-Dimensional Case.
Author(s): N. Konforti; E. Marom
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Paper Abstract

A method of modifying the shape of the modu-lation transfer function of non coherent optical systems based on simultaneous subtraction in real time of the responses of two systems having different pupils is described. When one-dimensional images are treated, the problem is relatively simple, since the second dimension can be used solely for encoding and thus few limitations are posed on the apertures of the optical system. In this paper the design of two-dimensional apertures providing the necessary emphasis of the MTF components in all spatial directions is presented. A circular aperture for one optical system and an annulus one for the second is optimal. Criteria for the determination of the characteristics of these apertures are derived.

Paper Details

Date Published: 15 April 1983
PDF: 6 pages
Proc. SPIE 0422, 10th Intl Optical Computing Conf, (15 April 1983); doi: 10.1117/12.936156
Show Author Affiliations
N. Konforti, Tel Aviv University (Israel)
E. Marom, Tel Aviv University (Israel)


Published in SPIE Proceedings Vol. 0422:
10th Intl Optical Computing Conf
Sam Horvitz, Editor(s)

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