Correlation postprocessing-based method for the detection of de focused images

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Title:	Correlation postprocessing-based method for the detection of de focused images
Author:	Carnicer González, Arturo; Vallmitjana i Rico, Santiago; Juvells Prades, Ignacio
Other authors:	Universitat de Barcelona
Abstract:	We present a method to detect patterns in defocused scenes by means of a joint transform correlator. We describe analytically the correlation plane, and we also introduce an original procedure to recognize the target by postprocessing the correlation plane. The performance of the methodology when the defocused images are corrupted by additive noise is also considered.
Subject(s):	-Reconeixement òptic de formes -Optical pattern recognition
Rights:	(c) Optical Society of America, 1997
Document type:	Article Article - Published version
Published by:	Optical Society of America
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