Distortion-invariant fractional power fringe-adjusted joint transform correlation

被引：21
|
作者：
Chen, XW [1 ]
Karim, MA
Alam, MS
机构：
[1] Univ Dayton, Electroopt Program, Dayton, OH 45469 USA
[2] Purdue Univ, Dept Engn, Ft Wayne, IN 46805 USA
来源：
OPTICAL ENGINEERING | 1998年 / 37卷 / 01期
关键词：
recognition techniques; synthetic discriminant function; joint transform correlation; fractional power fringe-adjusted joint transform correlation; joint power spectrum;
D O I：
10.1117/1.601840
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A distortion-invariant joint transform correlation (JTC), based on the fractional power fringe-adjusted joint transform correlation and synthetic discriminant function, is investigated. By suitably adjusting the parameters used to characterize the fractional power fringe-adjusted filter formulation, we obtain JTC-based classical matched filtering, fringe-adjusted filtering, and amplitude-modulated phase-only filtering. Computer simulation results show that the proposed joint transform correlation is distortion-invariant for the target image from the training set. (C) 1998 Society of Photo-optical Instrumentation Engineers. [S0091-3286(98)00501-7].
引用
收藏
页码：138 / 143
页数：6
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