One-step multichannel pattern recognition based on the pixelated structure of a spatial light modulator
We present an architecture in which a multichannel correlator can perform simultaneous optical pattern recognition. Processing in parallel is made possible by use of the different diffraction orders produced by the pixelated structure of the liquid-crystal spatial light modulator employed to display...
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| Formato: | JOUR |
| Acceso en línea: | http://hdl.handle.net/20.500.12110/paper_1559128X_v37_n11_p2063_Vargas |
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todo:paper_1559128X_v37_n11_p2063_Vargas2023-10-03T16:26:01Z One-step multichannel pattern recognition based on the pixelated structure of a spatial light modulator Vargas, A. Campos, J. Yzuel, M.J. Iemmi, C. Ledesma, S. We present an architecture in which a multichannel correlator can perform simultaneous optical pattern recognition. Processing in parallel is made possible by use of the different diffraction orders produced by the pixelated structure of the liquid-crystal spatial light modulator employed to display the input scene. We codify additional quadratic phases in the filters to separate the correlation information corresponding to each channel. We demonstrate that the system can recognize different targets simultaneously. Good agreement between experimental and numerically simulated results is obtained. © 1998 Optical Society of America. Fil:Iemmi, C. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Ledesma, S. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_1559128X_v37_n11_p2063_Vargas |
| institution |
Universidad de Buenos Aires |
| institution_str |
I-28 |
| repository_str |
R-134 |
| collection |
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) |
| description |
We present an architecture in which a multichannel correlator can perform simultaneous optical pattern recognition. Processing in parallel is made possible by use of the different diffraction orders produced by the pixelated structure of the liquid-crystal spatial light modulator employed to display the input scene. We codify additional quadratic phases in the filters to separate the correlation information corresponding to each channel. We demonstrate that the system can recognize different targets simultaneously. Good agreement between experimental and numerically simulated results is obtained. © 1998 Optical Society of America. |
| format |
JOUR |
| author |
Vargas, A. Campos, J. Yzuel, M.J. Iemmi, C. Ledesma, S. |
| spellingShingle |
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 |
| author_facet |
Vargas, A. Campos, J. Yzuel, M.J. Iemmi, C. Ledesma, S. |
| author_sort |
Vargas, A. |
| title |
One-step multichannel pattern recognition based on the pixelated structure of a spatial light modulator |
| title_short |
One-step multichannel pattern recognition based on the pixelated structure of a spatial light modulator |
| title_full |
One-step multichannel pattern recognition based on the pixelated structure of a spatial light modulator |
| title_fullStr |
One-step multichannel pattern recognition based on the pixelated structure of a spatial light modulator |
| title_full_unstemmed |
One-step multichannel pattern recognition based on the pixelated structure of a spatial light modulator |
| title_sort |
one-step multichannel pattern recognition based on the pixelated structure of a spatial light modulator |
| url |
http://hdl.handle.net/20.500.12110/paper_1559128X_v37_n11_p2063_Vargas |
| work_keys_str_mv |
AT vargasa onestepmultichannelpatternrecognitionbasedonthepixelatedstructureofaspatiallightmodulator AT camposj onestepmultichannelpatternrecognitionbasedonthepixelatedstructureofaspatiallightmodulator AT yzuelmj onestepmultichannelpatternrecognitionbasedonthepixelatedstructureofaspatiallightmodulator AT iemmic onestepmultichannelpatternrecognitionbasedonthepixelatedstructureofaspatiallightmodulator AT ledesmas onestepmultichannelpatternrecognitionbasedonthepixelatedstructureofaspatiallightmodulator |
| _version_ |
1807319601077288960 |