Parallel classification of multiple objects using a phase-only multichannel optical correlator
We present a technique that allows us to increment the number of objects to be detected and classified simultaneously in an optical patterns recognition process. It basically consists of the multiplexing of several phase-only filters. The elimination of the convolution signal at the final correlatio...
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| Formato: | Capítulo de libro |
| Lenguaje: | Inglés |
| Publicado: |
2003
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| Acceso en línea: | Registro en Scopus DOI Handle Registro en la Biblioteca Digital |
| Aporte de: | Registro referencial: Solicitar el recurso aquí |
| LEADER | 06937caa a22007697a 4500 | ||
|---|---|---|---|
| 001 | PAPER-21478 | ||
| 003 | AR-BaUEN | ||
| 005 | 20250513105222.0 | ||
| 008 | 190411s2003 xx ||||fo|||| 00| 0 eng|d | ||
| 024 | 7 | |2 scopus |a 2-s2.0-0141741331 | |
| 030 | |a OPEGA | ||
| 040 | |a Scopus |b spa |c AR-BaUEN |d AR-BaUEN | ||
| 100 | 1 | |a Villareal, M. | |
| 245 | 1 | 0 | |a Parallel classification of multiple objects using a phase-only multichannel optical correlator |
| 260 | |c 2003 | ||
| 270 | 1 | 0 | |m Villareal, M.; Universidad de Buenos Aires, Laboratorio de Procesado de Imagenes, Departmento de Física, 1428 Buenos Aires, Argentina |
| 504 | |a Vander Lugt, A., Signal detection by complex spatial filtering (1964) IEEE Trans. Inf. Theory, IT-1, pp. 139-145 | ||
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| 504 | |a Casasent, D., Unified synthetic discriminant function computational formalism (1984) Appl. Opt., 23, pp. 1620-1627 | ||
| 504 | |a Montes-Usategui, M., Campos, J., Juvells, I., Computation of arbitrarily constrained synthetic discriminant functions (1995) Appl. Opt., 34, pp. 3904-3914 | ||
| 504 | |a Yu, F.T.S., Zhou, Q., Zhang, C., Multiple channel optical correlator via rotating grating on LCTV (1988) Appl. Opt., 27, pp. 3770-3772 | ||
| 504 | |a Mendlovic, D., Ouzielli, I., Kiryuschev, I., Marom, E., Two dimensional wavelet transform achieved by computer generated multireference matched filter and Damman grating (1995) Appl. Opt., 34, pp. 8213-8219 | ||
| 504 | |a Vargas, A., Campos, J., Yzuel, M.J., Iemmi, C., Ledesma, S., One step multichannel pattern recognition based on the pixelated structure of a spatial light modulator (1998) Appl. Opt., 37, pp. 2063-2066 | ||
| 504 | |a Vargas, A., Campos, J., Iemmi, C., Ledesma, S., Yzuel, M.J., Optical codification for multiclass pattern recognition using a parallel correlator (1999) Opt. Commun., 162, pp. 121-129 | ||
| 504 | |a Brown, B.R., Lohmann, A.W., Complex spatial filtering with binary masks (1966) Appl. Opt., 5, pp. 967-969 | ||
| 504 | |a Lee, W.H., Sampled Fourier transform hologram generated by computer (1970) Appl. Opt., 9, pp. 639-643 | ||
| 504 | |a Lee, W.H., Binary synthetic holograms (1974) Appl. Opt., 13, pp. 1677-1682 | ||
| 504 | |a Kasztelanic, R., Campos, J., Chalasinska-Macukow, K., Shift-invariant optoelectronic associative memory by using a cascade of correlators (2000) Opt. Eng., 39 (4), pp. 993-1001 | ||
| 504 | |a Iemmi, C., Ledesma, S., Campos, J., Villareal, M., Gray-level computer generated hologram filters for multiple-object correlation (2000) Appl. Opt., 39, pp. 1233-1240 | ||
| 504 | |a Lesen, L., Hirsch, P., Jordan, J., The kinoform: A new wavefront reconstruction device (1959) IBM J. Res. Dev., 13, pp. 150-155 | ||
| 504 | |a Horner, J.L., Gianino, P.D., Phase-only matched filtering (1984) Appl. Opt., 23, pp. 812-816 | ||
| 504 | |a Bemhardt, M., Wyrowski, F., Bryngdahl, O., Iterative techniques to integrate different optical functions in a diffractive phase element (1991) Appl. Opt., 30, pp. 4629-4635 | ||
| 504 | |a Marquez, A., Iemmi, C., Moreno, I., Davis, J., Campos, J., Yzuel, M., Quantitative predictions of the modulation behavior of twisted nematic liquid crystal displays based on a simple physical model (2001) Opt. Eng., 40 (11), pp. 2558-2564 | ||
| 504 | |a Márquez, A., Campos, J., Yzuel, M.J., Moreno, I., Davis, J.A., Iemmi, C., Moreno, A., Robert, A., Characterization of edge effects in twisted nematic liquid crystal displays (2000) Opt. Eng., 39 (12), pp. 3301-3307 | ||
| 506 | |2 openaire |e Política editorial | ||
| 520 | 3 | |a We present a technique that allows us to increment the number of objects to be detected and classified simultaneously in an optical patterns recognition process. It basically consists of the multiplexing of several phase-only filters. The elimination of the convolution signal at the final correlation plane, by means of the direct implementation of phase-only filters, allows an increase in the number of channels to be used in a Vander Lugt correlator. The difference among these composed filters and others proposed before lies in the way they are synthesized. Usually filters are physically implemented by using amplitude media, and it is necessary to perform an encoding of the phase information. In the proposed method, no encoding technique is used to convert the phase values into amplitude ones. The implementation of this kind of filter is carried out by using liquid crystal displays working in phase-only mode. We present in this work numerical simulations and experimental results obtained from the implementation of two different kinds of phase-only filters. Impulse responses and correlation signals are analyzed. |l eng | |
| 536 | |a Detalles de la financiación: Consejo Nacional de Investigaciones Científicas y Técnicas | ||
| 536 | |a Detalles de la financiación: Ministerio de la Producción, Ciencia y Tecnología, BFM2000-0036-C02-01 | ||
| 536 | |a Detalles de la financiación: This study was supported by Universidad de Buenos Aires and Consejo Nacional de Investigaciones Científicas y Téc-nicas (Argentina), and by Ministerio de Ciencia y Tecnolo-gía, under project BFM2000-0036-C02-01. Villarreal has a FOMEC fellowship. | ||
| 593 | |a Universidad de Buenos Aires, Laboratorio de Procesado de Imagenes, Departmento de Física, 1428 Buenos Aires, Argentina | ||
| 593 | |a Universidad Autonoma de Barcelona, Grupo de Optica, E-08193 Bellaterra, Spain | ||
| 690 | 1 | 0 | |a LIQUID CRYSTAL DISPLAYS |
| 690 | 1 | 0 | |a PATTERN RECOGNITION |
| 690 | 1 | 0 | |a PHASE-ONLY FILTERS |
| 690 | 1 | 0 | |a COMPUTER SIMULATION |
| 690 | 1 | 0 | |a CONVOLUTION |
| 690 | 1 | 0 | |a CORRELATORS |
| 690 | 1 | 0 | |a FOURIER TRANSFORMS |
| 690 | 1 | 0 | |a LIQUID CRYSTAL DISPLAYS |
| 690 | 1 | 0 | |a MULTIPLEXING |
| 690 | 1 | 0 | |a OPTICAL CORRELATION |
| 690 | 1 | 0 | |a OPTICAL FILTERS |
| 690 | 1 | 0 | |a OPTICAL CORRELATORS |
| 690 | 1 | 0 | |a OPTICAL PATTERN RECOGNITION |
| 690 | 1 | 0 | |a PHASE ONLY FILTERS |
| 690 | 1 | 0 | |a VANDER LUGT CORRELATOR |
| 690 | 1 | 0 | |a OBJECT RECOGNITION |
| 700 | 1 | |a Iemmi, Claudio César | |
| 700 | 1 | |a Campos, J. | |
| 773 | 0 | |d 2003 |g v. 42 |h pp. 2354-2361 |k n. 8 |p Opt Eng |x 00913286 |t Optical Engineering | |
| 856 | 4 | 1 | |u https://www.scopus.com/inward/record.uri?eid=2-s2.0-0141741331&doi=10.1117%2f1.1585060&partnerID=40&md5=befb4303e981bc7bbd594b799301e988 |y Registro en Scopus |
| 856 | 4 | 0 | |u https://doi.org/10.1117/1.1585060 |y DOI |
| 856 | 4 | 0 | |u https://hdl.handle.net/20.500.12110/paper_00913286_v42_n8_p2354_Villareal |y Handle |
| 856 | 4 | 0 | |u https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00913286_v42_n8_p2354_Villareal |y Registro en la Biblioteca Digital |
| 961 | |a paper_00913286_v42_n8_p2354_Villareal |b paper |c PE | ||
| 962 | |a info:eu-repo/semantics/article |a info:ar-repo/semantics/artículo |b info:eu-repo/semantics/publishedVersion | ||
| 999 | |c 82431 | ||