PHOTOREFRACTIVE DEAMPLIFICATION OF ADDITIVE SIGNAL-DEPENDENT NOISE

被引:6
|
作者
KHOURY, J [1 ]
FU, J [1 ]
CRONINGOLOMB, M [1 ]
WOODS, CL [1 ]
机构
[1] TUFTS UNIV,CTR ELECTROOPT TECHNOL,MEDFORD,MA 02155
关键词
NOISE; FOURIER PLANE; 2-BEAM COUPLING; PHOTOREFRACTIVE IMAGE PROCESSING;
D O I
10.1117/12.147723
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
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.
引用
收藏
页码:2877 / 2883
页数:7
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