Effects Of Quantizing The Phase In Correlation Filters

B. V.K. Vijaya Kumar; James M. Connelly

doi:10.1117/12.962216

5 February 1990 Effects Of Quantizing The Phase In Correlation Filters

B. V.K. Vijaya Kumar, James M. Connelly

Proceedings Volume 1151, Optical Information Processing Systems and Architectures; (1990) https://doi.org/10.1117/12.962216
Event: 33rd Annual Technical Symposium, 1989, San Diego, United States

Abstract

There has been a growing interest recently in the use of Phase-Only Filters (POFs) and Binary Phase-Only Filters (BPOFs) for optical pattern recognition. While BPOFs can be obtained by binarizing the phase of the classical matched filters, one wonders if the filter performance can be improved by allowing more phase levels. This paper provides a theoretical analysis of the increase in output Signal-to-Noise Ratio (SNR) as the number of phase levels is increased.

Citation Download Citation

B. V.K. Vijaya Kumar and James M. Connelly "Effects Of Quantizing The Phase In Correlation Filters", Proc. SPIE 1151, Optical Information Processing Systems and Architectures, (5 February 1990); https://doi.org/10.1117/12.962216

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