{"id":41945,"date":"1999-01-01T00:00:00","date_gmt":"1999-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/representacion-local-multiescala-de-imagenes-modelado-y-sintesis-de-texturas\/"},"modified":"1999-01-01T00:00:00","modified_gmt":"1999-01-01T00:00:00","slug":"representacion-local-multiescala-de-imagenes-modelado-y-sintesis-de-texturas","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/fisica\/representacion-local-multiescala-de-imagenes-modelado-y-sintesis-de-texturas\/","title":{"rendered":"Representacion local multiescala de imagenes. modelado y sintesis de texturas."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Francisco Javier Portilla Muelas <\/strong><\/h2>\n<p>La representaci\u00f3n local multiescala de las im\u00e1genes aparece en dos aspectos del sistema visual humano (svh): 1) la descomposici\u00f3n en \u00abcanales\u00bb de orientaci\u00f3n y frecuencia espacial que lleva a cabo el \u00e1rea v1 de la corteza visual del cerebro, y 2) la captaci\u00f3n y procesamiento espacialmente no homog\u00e9neo de las im\u00e1genes. Ambos procesos pueden modelarse de forma esquem\u00e1tica utilizando una representaci\u00f3n logar\u00edtmica en el radio y uniforme del \u00e1ngulo. En el primer caso, la representaci\u00f3n se aplica en el dominio de la frecuencia espacial, utilizando un conjunto discreto de filtros paso-banda \u00abauto-similares\u00bb localizados espacialmente. en el segundo caso, la representaci\u00f3n en el espacio 2d de las im\u00e1genes se corresponde con una imagen continua que va perdiendo detalle seg\u00fan nos alejamos del centro del campo visual (\u00abf\u00f3vea log-polar\u00bb). Los modelos computacionales asociados a estas formas de procesamiento temprano de la informaci\u00f3n visual han dado lugar a numerosas aplicaciones, como la compresi\u00f3n de im\u00e1genes, la restauraci\u00f3n, o el an\u00e1lisis y s\u00edntesis de texturas, por un lado, y a sensores para visi\u00f3n artificial en tiempo real, por otro.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Representacion local multiescala de imagenes. modelado y sintesis de texturas.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Representacion local multiescala de imagenes. modelado y sintesis de texturas. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Francisco Javier Portilla Muelas <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Polit\u00e9cnica de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1999<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Direcci\u00f3n y tribunal<\/h3>\n<ul>\n<li><strong>Director de la tesis<\/strong>\n<ul>\n<li>Rafael Navarro Belsue<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Carlos Mu\u00f1oz perez <\/li>\n<li>Rafael Molina soriano (vocal)<\/li>\n<li>Jos\u00e9 Mar\u00eda Carazo garcia (vocal)<\/li>\n<li>Antonio Tabernero galan (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Francisco Javier Portilla Muelas La representaci\u00f3n local multiescala de las im\u00e1genes aparece en dos aspectos del sistema [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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