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Abstract:

In this work we present a new method to increase the information storage capability of computer generated holographic filters used in Vander Lugt type optical correlators. The holograms are generated by means of the usual methods but color reversal films are used instead of the traditional black and white binary output. The technique consists of storing different parts of the total information in complementary color channels, which is performed by encoding one binary hologram in each color channel. Then, this information is processed in the optical correlator by using a light source with wavelengths corresponding to these colors. A comparison between the results obtained experimentally and those corresponding to numerical simulations is shown.

Registro:

Documento: Artículo
Título:Multichannel correlation by color multiplexing
Autor:Ledesma, S.; Iemmi, C.; Villarreal, M.; Campos, J.
Ciudad:Amsterdam
Filiación:Departamento de Física, Fac. Cie. Exact. Y Nat., Univ. B., Buenos Aires, Argentina
Grupo de Optica, Univ. Auton. de Barcelona, E-08193, Bellaterra, Spain
Palabras clave:Color image processing; Computer generated holography; Correlators; Holograms; Image coding; Optical filters; Optical image storage; Pattern recognition; Color multiplexing; Optical correlation
Año:1999
Volumen:166
Número:1
Página de inicio:173
Página de fin:180
DOI: http://dx.doi.org/10.1016/S0030-4018(99)00241-2
Título revista:Optics Communications
Título revista abreviado:Opt Commun
ISSN:00304018
CODEN:OPCOB
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00304018_v166_n1_p173_Ledesma

Referencias:

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Citas:

---------- APA ----------
Ledesma, S., Iemmi, C., Villarreal, M. & Campos, J. (1999) . Multichannel correlation by color multiplexing. Optics Communications, 166(1), 173-180.
http://dx.doi.org/10.1016/S0030-4018(99)00241-2
---------- CHICAGO ----------
Ledesma, S., Iemmi, C., Villarreal, M., Campos, J. "Multichannel correlation by color multiplexing" . Optics Communications 166, no. 1 (1999) : 173-180.
http://dx.doi.org/10.1016/S0030-4018(99)00241-2
---------- MLA ----------
Ledesma, S., Iemmi, C., Villarreal, M., Campos, J. "Multichannel correlation by color multiplexing" . Optics Communications, vol. 166, no. 1, 1999, pp. 173-180.
http://dx.doi.org/10.1016/S0030-4018(99)00241-2
---------- VANCOUVER ----------
Ledesma, S., Iemmi, C., Villarreal, M., Campos, J. Multichannel correlation by color multiplexing. Opt Commun. 1999;166(1):173-180.
http://dx.doi.org/10.1016/S0030-4018(99)00241-2