Optical encoding of color three-dimensional correlation
Three-dimensional (3D) correlation of color images, considering the color distribution as the third dimension, has been shown to be useful for color pattern recognition tasks. Nevertheless, 3D correlation cannot be directly performed on an optical correlator, that can only process two-dimensional (2...
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| Acceso en línea: | http://hdl.handle.net/20.500.12110/paper_00304018_v209_n1-3_p35_Nicolas |
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todo:paper_00304018_v209_n1-3_p35_Nicolas2023-10-03T14:40:08Z Optical encoding of color three-dimensional correlation Nicolás, J. Iemmi, C. Campos, J. Yzuel, M.J. Charge coupled devices Fourier transforms Image coding Optical correlation Pattern recognition Spectrum analysis Optical correlators Optical encoding Color image processing Three-dimensional (3D) correlation of color images, considering the color distribution as the third dimension, has been shown to be useful for color pattern recognition tasks. Nevertheless, 3D correlation cannot be directly performed on an optical correlator, that can only process two-dimensional (2D) signals. We propose a method to encode 3D functions onto 2D ones in such a way that the Fourier transform and correlation of these signals, that can be optically performed, encode the 3D Fourier transform and correlation of the 3D signals. The theory for the encoding is given and experimental results obtained in an optical correlator are shown. © 2002 Published by Elsevier Science B.V. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_00304018_v209_n1-3_p35_Nicolas |
| institution |
Universidad de Buenos Aires |
| institution_str |
I-28 |
| repository_str |
R-134 |
| collection |
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) |
| topic |
Charge coupled devices Fourier transforms Image coding Optical correlation Pattern recognition Spectrum analysis Optical correlators Optical encoding Color image processing |
| spellingShingle |
Charge coupled devices Fourier transforms Image coding Optical correlation Pattern recognition Spectrum analysis Optical correlators Optical encoding Color image processing Nicolás, J. Iemmi, C. Campos, J. Yzuel, M.J. Optical encoding of color three-dimensional correlation |
| topic_facet |
Charge coupled devices Fourier transforms Image coding Optical correlation Pattern recognition Spectrum analysis Optical correlators Optical encoding Color image processing |
| description |
Three-dimensional (3D) correlation of color images, considering the color distribution as the third dimension, has been shown to be useful for color pattern recognition tasks. Nevertheless, 3D correlation cannot be directly performed on an optical correlator, that can only process two-dimensional (2D) signals. We propose a method to encode 3D functions onto 2D ones in such a way that the Fourier transform and correlation of these signals, that can be optically performed, encode the 3D Fourier transform and correlation of the 3D signals. The theory for the encoding is given and experimental results obtained in an optical correlator are shown. © 2002 Published by Elsevier Science B.V. |
| format |
JOUR |
| author |
Nicolás, J. Iemmi, C. Campos, J. Yzuel, M.J. |
| author_facet |
Nicolás, J. Iemmi, C. Campos, J. Yzuel, M.J. |
| author_sort |
Nicolás, J. |
| title |
Optical encoding of color three-dimensional correlation |
| title_short |
Optical encoding of color three-dimensional correlation |
| title_full |
Optical encoding of color three-dimensional correlation |
| title_fullStr |
Optical encoding of color three-dimensional correlation |
| title_full_unstemmed |
Optical encoding of color three-dimensional correlation |
| title_sort |
optical encoding of color three-dimensional correlation |
| url |
http://hdl.handle.net/20.500.12110/paper_00304018_v209_n1-3_p35_Nicolas |
| work_keys_str_mv |
AT nicolasj opticalencodingofcolorthreedimensionalcorrelation AT iemmic opticalencodingofcolorthreedimensionalcorrelation AT camposj opticalencodingofcolorthreedimensionalcorrelation AT yzuelmj opticalencodingofcolorthreedimensionalcorrelation |
| _version_ |
1807317049677971456 |