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12 January 1993 Iterative algorithm for designing binary phase-only composite filters
Charles D. Hendrix, Bhagavatula Vijaya Kumar
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Proceedings Volume 1772, Optical Information Processing Systems and Architectures IV; (1993) https://doi.org/10.1117/12.140906
Event: San Diego '92, 1992, San Diego, CA, United States
Abstract
Use of the Magneto-Optic Spatial Light Modulator (MOSLM) in the filter plane of optical correlators is attractive because it is capable of high frame rates. This has led to the design of several different types of Binary Phase-Only Filters (BPOFs) and Ternary Filters matched to a single reference. To further increase the throughput of an optical correlator employing the MOSLM, attempts at designing Binary Phase-Only Composite Filters have been made. In this paper, we introduce a new iterative technique to design such Composite Filters in which we simultaneously maximize the peak sharpness and minimize the deviation of the actual correlation peak intensities from their desired values.
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Charles D. Hendrix and Bhagavatula Vijaya Kumar "Iterative algorithm for designing binary phase-only composite filters", Proc. SPIE 1772, Optical Information Processing Systems and Architectures IV, (12 January 1993); https://doi.org/10.1117/12.140906
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KEYWORDS
Phase only filters
Composites
Image filtering
Optical correlators
Optical filters
Algorithm development
Fourier transforms
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