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

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dc.contributor	Universitat de Barcelona
dc.contributor.author	Carnicer González, Arturo
dc.contributor.author	Vallmitjana i Rico, Santiago
dc.contributor.author	Juvells Prades, Ignacio
dc.date	2012-04-20T12:34:33Z
dc.date	2012-04-20T12:34:33Z
dc.date	1997
dc.identifier.citation	0003-6935
dc.identifier.citation	138960
dc.identifier.uri	http://hdl.handle.net/2445/24300
dc.format	5 p.
dc.format	application/pdf
dc.language.iso	eng
dc.publisher	Optical Society of America
dc.relation	Reproducció del document publicat a: http://dx.doi.org/10.1364/AO.36.004807
dc.relation	Applied Optics, 1997, vol. 36, núm. 20, p. 4807-4811
dc.relation	http://dx.doi.org/10.1364/AO.36.004807
dc.rights	(c) Optical Society of America, 1997
dc.rights	info:eu-repo/semantics/openAccess
dc.subject	Reconeixement òptic de formes
dc.subject	Optical pattern recognition
dc.title	Correlation postprocessing-based method for the detection of de focused images
dc.type	info:eu-repo/semantics/article
dc.type	info:eu-repo/semantics/publishedVersion
dc.description.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.