On-axis joint transform correlation based on a four-level power spectrum

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Title:	On-axis joint transform correlation based on a four-level power spectrum
Author:	Labastida i Juan, Ignasi, 1970-; Carnicer González, Arturo; Martín Badosa, Estela; Juvells Prades, Ignacio; Vallmitjana i Rico, Santiago
Other authors:	Universitat de Barcelona
Abstract:	We propose a method to obtain a single centered correlation with use of a joint transform correlator. We analyze the required setup to carry out the whole process optically, and we also present experimental results.
Subject(s):	-Òptica de Fourier -Reconeixement òptic de formes -Dispositius optoelectrònics -Cristalls líquids -Fourier optics -Optical pattern recognition -Optoelectronic devices -Liquid crystals
Rights:	(c) Optical Society of America, 1999
Document type:	Article Article - Published version
Published by:	Optical Society of America
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