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Cross-correlation peak optimization on joint transform correlators

被引：34
作者：
Chen, CL [1 ]
Fang, JS [1 ]
机构：
[1] Yuan Ze Univ, Dept Elect Engn, Tao Yuan 320, Taiwan
来源：
OPTICS COMMUNICATIONS | 2000年 / 178卷 / 4-6期
关键词：
joint transform correlator; optimization;
D O I：
10.1016/S0030-4018(00)00683-0
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
To detect target images with equal output correlation peaks, the minimum average correlation energy nonzero order joint transform correlator (MACE-NOJTC) is introduced. The design was carried out using the Lagrange multipliers technique to minimize the average correlation energy for ail training set images while constraining the correlation peak value to a user-specified constant. An ideal reference function for the MACE-NOJTC is derived. Correlation results are presented. It is observed that the MACE-NOJTC is invariant to scale variations and rotation in the target image. (C) 2000 Published by Elsevier Science B.V. All rights reserved.
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页码：315 / 322
页数：8
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