Projection-invariant pattern recognition with a phase-only logarithmic-harmonic-derived filter

被引：3
|
作者：
Moya, A [1 ]
Mendlovic, D [1 ]
Garcia, J [1 ]
Ferreira, C [1 ]
机构：
[1] TEL AVIV UNIV,FAC ENGN,IL-69978 TEL AVIV,ISRAEL
来源：
APPLIED OPTICS | 1996年 / 35卷 / 20期
关键词：
projection invariance; pattern recognition; phase-only filters;
D O I：
10.1364/AO.35.003862
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A phase-only filter based on logarithmic harmonics for projection-invariant pattern recognition is presented. This logarithmic-harmonic-derived filter is directly calculated in the Fourier plane. With respect to normal logarithmic-harmonic filters it provides a smaller variation of the correlation intensity with the projection factor of the target. Computer and optical experiments are presented. (C) 1996 Optical Society of America
引用
收藏
页码：3862 / 3867
页数：6
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