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RECERCAT Home > Universitat de Barcelona > Física Aplicada i Òptica > Articles publicats en revistes (Física Aplicada i Òptica) > View document

To access the full text documents, please follow this link: http://hdl.handle.net/2445/27462

dc.contributor	Universitat de Barcelona
dc.contributor.author	Labastida i Juan, Ignasi, 1970-
dc.contributor.author	Carnicer González, Arturo
dc.contributor.author	Martín Badosa, Estela
dc.contributor.author	Vallmitjana i Rico, Santiago
dc.contributor.author	Juvells Prades, Ignacio
dc.date	2012-06-15T11:41:56Z
dc.date	2012-06-15T11:41:56Z
dc.date	1998-11-30
dc.date.accessioned	2012-06-15T22:10:23Z
dc.date.available	2012-06-15T22:10:23Z
dc.date.issued	2012-06-15T22:10:23Z
dc.identifier.citation	0030-4018
dc.identifier.citation	http://dx.doi.org/10.1016/S0030-4018(98)00244-2
dc.identifier.uri	http://hdl.handle.net/2445/27462
dc.format	8 p.
dc.format	application/pdf
dc.language.iso	eng
dc.publisher	North-Holland
dc.relation	Versió postprint del document publicat a: http://dx.doi.org/10.1016/S0030-4018(98)00244-2
dc.relation	Optics Communications, 1998, vol. 153, num. 4-6, p. 331-338
dc.rights	(c) Elsevier B. V., 1998
dc.rights	info:eu-repo/semantics/openAccess
dc.subject	Òptica de Fourier
dc.subject	Pantalles de cristall líquid
dc.subject	Reconeixement òptic de formes
dc.subject	Fourier optics
dc.subject	Liquid crystal displays
dc.subject	Optical pattern recognition
dc.title	Control of a VanderLugt correlator using a single 8-bit frame grabber
dc.type	info:eu-repo/semantics/article
dc.description.abstract	We analyze in depth several engineering problems regarding the construction of a VanderLugt correlator. Two liquid crystal devices are used in the input and Fourier planes and the large distances involved are reduced with the help of telephoto systems. An original method to control both modulators with a single 8-bit frame grabber and a single videoprojector electronics is presented. Problems related to pixel-by-pixel addressing and the phase modulation in the panels are also discussed. All the solutions proposed in this paper have been implemented and experimental correlation results using the setup have been obtained.

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