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Proceedings Paper

CGH Filters For Coding And Decoding Dilute Objects
Author(s): Xie Ching-hui; Cheng Hui-ling; Wu Min-shian; Chin Kuo-fan
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Paper Abstract

This paper describes the formation of an arbitrary blurring followed by the use of a filter in a frequency plane to eliminate the blur. The complex space filters produced by the computer-generated method enables one to construct many new and fascinating coding and decoding systems for dilute objects. In this paper several CGH filters, inverse filters, Wiener filters and the Wiener filter of the exponential type, have been developed. All these filters have been experimentally tested as to their capabilities for cryptology and good results have been obtained.

Paper Details

Date Published: 16 June 1983
PDF: 2 pages
Proc. SPIE 0369, Max Born Centenary Conf, (16 June 1983); doi: 10.1117/12.934416
Show Author Affiliations
Xie Ching-hui, Tsing Hua University (China)
Cheng Hui-ling, Tsing Hua University (China)
Wu Min-shian, Tsing Hua University (China)
Chin Kuo-fan, Tsing Hua University (China)

Published in SPIE Proceedings Vol. 0369:
Max Born Centenary Conf
M. John Colles; D. William Swift, Editor(s)

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