BINARY NONLINEAR JOINT TRANSFORM CORRELATOR PERFORMANCE WITH DIFFERENT THRESHOLDING METHODS UNDER UNKNOWN ILLUMINATION CONDITIONS

Authors
JAVIDI B LI J FAZLOLLAHI AH HORNER J
Citation
B. Javidi et al., BINARY NONLINEAR JOINT TRANSFORM CORRELATOR PERFORMANCE WITH DIFFERENT THRESHOLDING METHODS UNDER UNKNOWN ILLUMINATION CONDITIONS, Applied optics, 34(5), 1995, pp. 886-896
Citations number
17
Categorie Soggetti
Optics
Journal title
Applied optics → ACNP
ISSN journal
00036935
Volume
34
Issue
5
Year of publication
1995
Pages
886 - 896
Database
ISI
SICI code
0003-6935(1995)34:5<886:BNJTCP>2.0.ZU;2-4
Abstract
The correlation performance of binary joint transform correlators with unknown input-image light illumination is investigated for different thresholding methods used in the Fourier plane. It is shown that a bin ary joint transform correlator that uses a spatial frequency dependent threshold function for binarization of the joint power spectrum is in variant to uniform input-image illumination. Computer simulations and optical experimental results are provided.