Optical multiresolution analysis with spatial localization

Multiresolution analysis is very useful for characterization of textures, segmentation tasks, and feature enhancement. The development of optical methods to perform such procedures is highly promissory for real-time applications. Usually, the optical implementations of multiresolution analysis consi...

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Detalles Bibliográficos
Autores principales: Mazzaferri, Javier Esteban, Ledesma, Silvia Adriana
Publicado: 2010
Materias:
Feature extraction
Fourier optics
Image processing
Multiresolution analysis
Apriori
Different frequency
Double pass
Experimental setup
Feature enhancement
Multi scale analysis
Multiple-band
Numerical simulation
Optical implementations
Optical methods
Optical processors
Real-time application
Spatial localization
Computer simulation
Frequency bands
Imaging systems
Medical applications
Optical engineering
Optical data processing
Acceso en línea:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00304018_v283_n10_p2056_Mazzaferri
http://hdl.handle.net/20.500.12110/paper_00304018_v283_n10_p2056_Mazzaferri
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
id paper:paper_00304018_v283_n10_p2056_Mazzaferri
record_format dspace
spelling paper:paper_00304018_v283_n10_p2056_Mazzaferri2023-06-08T14:56:05Z Optical multiresolution analysis with spatial localization Mazzaferri, Javier Esteban Ledesma, Silvia Adriana Feature extraction Fourier optics Image processing Multiresolution analysis Apriori Different frequency Double pass Experimental setup Feature enhancement Multi scale analysis Multiple-band Numerical simulation Optical implementations Optical methods Optical processors Real-time application Spatial localization Computer simulation Feature extraction Frequency bands Image processing Imaging systems Medical applications Multiresolution analysis Optical engineering Optical data processing Multiresolution analysis is very useful for characterization of textures, segmentation tasks, and feature enhancement. The development of optical methods to perform such procedures is highly promissory for real-time applications. Usually, the optical implementations of multiresolution analysis consist in the decomposition of the input scene in different frequency bands, obtaining various filtered versions of the scene. However, under certain circumstances it could be useful to provide just one version of the scene where the different filters are applied in different regions. This procedure could be specially interesting for biological and medical applications in situations when the approximate localization of the scale information is known a priori. In this paper we present a fully optical method to perform multiresolution analysis with spatial localization. By means of the proposed technique, the multi-scale analysis is performed at once in a unique image. The experimental set-up consist of a double-pass convergent optical processor. The first stage of the device allows the multiple band decomposition, while the second stage confines the information of each band to different regions of the object and recombines it to achieve the desired operation. Numerical simulations and experimental results, which prove the very good performance of the method, are presented. © 2010. Fil:Mazzaferri, J. 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. 2010 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00304018_v283_n10_p2056_Mazzaferri http://hdl.handle.net/20.500.12110/paper_00304018_v283_n10_p2056_Mazzaferri
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic Feature extraction
Fourier optics
Image processing
Multiresolution analysis
Apriori
Different frequency
Double pass
Experimental setup
Feature enhancement
Multi scale analysis
Multiple-band
Numerical simulation
Optical implementations
Optical methods
Optical processors
Real-time application
Spatial localization
Computer simulation
Feature extraction
Frequency bands
Image processing
Imaging systems
Medical applications
Multiresolution analysis
Optical engineering
Optical data processing
spellingShingle Feature extraction
Fourier optics
Image processing
Multiresolution analysis
Apriori
Different frequency
Double pass
Experimental setup
Feature enhancement
Multi scale analysis
Multiple-band
Numerical simulation
Optical implementations
Optical methods
Optical processors
Real-time application
Spatial localization
Computer simulation
Feature extraction
Frequency bands
Image processing
Imaging systems
Medical applications
Multiresolution analysis
Optical engineering
Optical data processing
Mazzaferri, Javier Esteban
Ledesma, Silvia Adriana
Optical multiresolution analysis with spatial localization
topic_facet Feature extraction
Fourier optics
Image processing
Multiresolution analysis
Apriori
Different frequency
Double pass
Experimental setup
Feature enhancement
Multi scale analysis
Multiple-band
Numerical simulation
Optical implementations
Optical methods
Optical processors
Real-time application
Spatial localization
Computer simulation
Feature extraction
Frequency bands
Image processing
Imaging systems
Medical applications
Multiresolution analysis
Optical engineering
Optical data processing
description Multiresolution analysis is very useful for characterization of textures, segmentation tasks, and feature enhancement. The development of optical methods to perform such procedures is highly promissory for real-time applications. Usually, the optical implementations of multiresolution analysis consist in the decomposition of the input scene in different frequency bands, obtaining various filtered versions of the scene. However, under certain circumstances it could be useful to provide just one version of the scene where the different filters are applied in different regions. This procedure could be specially interesting for biological and medical applications in situations when the approximate localization of the scale information is known a priori. In this paper we present a fully optical method to perform multiresolution analysis with spatial localization. By means of the proposed technique, the multi-scale analysis is performed at once in a unique image. The experimental set-up consist of a double-pass convergent optical processor. The first stage of the device allows the multiple band decomposition, while the second stage confines the information of each band to different regions of the object and recombines it to achieve the desired operation. Numerical simulations and experimental results, which prove the very good performance of the method, are presented. © 2010.
author Mazzaferri, Javier Esteban
Ledesma, Silvia Adriana
author_facet Mazzaferri, Javier Esteban
Ledesma, Silvia Adriana
author_sort Mazzaferri, Javier Esteban
title Optical multiresolution analysis with spatial localization
title_short Optical multiresolution analysis with spatial localization
title_full Optical multiresolution analysis with spatial localization
title_fullStr Optical multiresolution analysis with spatial localization
title_full_unstemmed Optical multiresolution analysis with spatial localization
title_sort optical multiresolution analysis with spatial localization
publishDate 2010
url https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00304018_v283_n10_p2056_Mazzaferri
http://hdl.handle.net/20.500.12110/paper_00304018_v283_n10_p2056_Mazzaferri
work_keys_str_mv AT mazzaferrijavieresteban opticalmultiresolutionanalysiswithspatiallocalization
AT ledesmasilviaadriana opticalmultiresolutionanalysiswithspatiallocalization
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