NOISE ROBUSTNESS OF TUNABLE PHOTOREFRACTIVE FILTERS

被引：4
|
作者：
WANG, RK
CHATWIN, CR
HUANG, MY
机构：
[1] Laser and Optical Systems Engineering Group, Department of Mechanical Engineering, Glasgow University, Glasgow
来源：
OPTICS AND LASERS IN ENGINEERING | 1994年 / 21卷 / 05期
关键词：
D O I：
10.1016/0143-8166(94)90049-3
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Noise robustness of tuneable photo-refractive (TPR) filters, which can be implemented for real time pattern recognition, is assessed and compared with phase-only and classical matched spatial filters. The bandpass selectivity of the TPR filters results in sharp correlation peaks even when the input scene signal-to-noise ratio is decreased significantly.
引用
收藏
页码：297 / 306
页数：10
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