A comparison of diferent evolutive niching strategies for identifying a set of selfsimilar contractions for the IFS inverse problem

The key problem in fractal image compression is that of obtaining the IFS code (a set of linear transformations) which approximates a given image with a certain prescribed accuracy (inverse IFS problem). In this paper, we analyze and compare the performance of sharing and crowding niching techniques...

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Autores principales: Ivanissevich, María Laura, Cofiño, Antonio S., Gutiérrez, José Manuel
Formato: Objeto de conferencia
Lenguaje:Inglés
Publicado: 2000
Materias:
Ciencias Informáticas
evolutive algorithms
iterated function system (IFS)
Fractals
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/23456
Aporte de:
SEDICI (UNLP) de Universidad Nacional de La Plata
id I19-R120-10915-23456
record_format dspace
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Inglés
topic Ciencias Informáticas
evolutive algorithms
iterated function system (IFS)
Fractals
spellingShingle Ciencias Informáticas
evolutive algorithms
iterated function system (IFS)
Fractals
Ivanissevich, María Laura
Cofiño, Antonio S.
Gutiérrez, José Manuel
A comparison of diferent evolutive niching strategies for identifying a set of selfsimilar contractions for the IFS inverse problem
topic_facet Ciencias Informáticas
evolutive algorithms
iterated function system (IFS)
Fractals
description The key problem in fractal image compression is that of obtaining the IFS code (a set of linear transformations) which approximates a given image with a certain prescribed accuracy (inverse IFS problem). In this paper, we analyze and compare the performance of sharing and crowding niching techniques for identifying optimal selfsimilar transformations likely to represent a selfsimilar area within the image. The best results are found using the deterministic crowding method. We also present an interactive Matlab program implementing the algorithms described in the paper
format Objeto de conferencia
Objeto de conferencia
author Ivanissevich, María Laura
Cofiño, Antonio S.
Gutiérrez, José Manuel
author_facet Ivanissevich, María Laura
Cofiño, Antonio S.
Gutiérrez, José Manuel
author_sort Ivanissevich, María Laura
title A comparison of diferent evolutive niching strategies for identifying a set of selfsimilar contractions for the IFS inverse problem
title_short A comparison of diferent evolutive niching strategies for identifying a set of selfsimilar contractions for the IFS inverse problem
title_full A comparison of diferent evolutive niching strategies for identifying a set of selfsimilar contractions for the IFS inverse problem
title_fullStr A comparison of diferent evolutive niching strategies for identifying a set of selfsimilar contractions for the IFS inverse problem
title_full_unstemmed A comparison of diferent evolutive niching strategies for identifying a set of selfsimilar contractions for the IFS inverse problem
title_sort comparison of diferent evolutive niching strategies for identifying a set of selfsimilar contractions for the ifs inverse problem
publishDate 2000
url http://sedici.unlp.edu.ar/handle/10915/23456
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