1 November 1993 Photorefractive deamplification of additive signal-dependent noise
Author Affiliations +
Abstract
Nonlinear optical thresholding in the Fourier plane produces optically adaptive noise-cleaning masks that reduce additive signal-dependent noise, such as scalar multiplicative noise. We demonstrate the two-beam coupling artifact noise-reduction technique and achieve performance comparable to the Wiener filter.
Jehad Khoury, Jack Fu, Mark Cronin-Golomb, and Charles L. Woods "Photorefractive deamplification of additive signal-dependent noise," Optical Engineering 32(11), (1 November 1993). https://doi.org/10.1117/12.147723
Published: 1 November 1993
Lens.org Logo
CITATIONS
Cited by 6 scholarly publications.
Advertisement
Advertisement
RIGHTS & PERMISSIONS
Get copyright permission  Get copyright permission on Copyright Marketplace
KEYWORDS
Interference (communication)

Denoising

Signal to noise ratio

Filtering (signal processing)

Fourier transforms

Computer simulations

Convolution

RELATED CONTENT

Modeling discrete modulators for optical correlation
Proceedings of SPIE (August 28 1995)
Robust time-domain frequency analysis
Proceedings of SPIE (April 01 1992)
Frequency domain convolution for SCANSAR
Proceedings of SPIE (December 30 1994)
Voice activity detection for speaker verification systems
Proceedings of SPIE (December 28 2007)

Back to Top