Correlation discrimination between phase-only filter and amplitude-modulated inverse filter in the recogniton of gray-level targets

Song Hua Zheng; Mohammad A. Karim; Minglun Gao

doi:10.1117/12.21317

1 September 1990 Correlation discrimination between phase-only filter and amplitude-modulated inverse filter in the recogniton of gray-level targets

Song Hua Zheng, Mohammad A. Karim, Minglun Gao

Author Affiliations +

Proceedings Volume 1297, Hybrid Image and Signal Processing II; (1990) https://doi.org/10.1117/12.21317
Event: 1990 Technical Symposium on Optics, Electro-Optics, and Sensors, 1990, Orlando, FL, United States

Abstract

Graylevel patterns are used to identify the correlation discrimination performance of the phase-only filter (POF) and amplitude-modulated inverse filter (AMIF) . The correlation tests were repeated with Gaussian random noise added to the input signal. The computer simulation results show that the ANIF based correlator has better discrimination capability than that of the POF based correlator in the absence of noise as well as in the presence of Gaussion random noise over most of the practical range of noise variance. 1.

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Song Hua Zheng, Mohammad A. Karim, and Minglun Gao "Correlation discrimination between phase-only filter and amplitude-modulated inverse filter in the recogniton of gray-level targets", Proc. SPIE 1297, Hybrid Image and Signal Processing II, (1 September 1990); https://doi.org/10.1117/12.21317

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