{"id":107148,"date":"2011-03-03T00:00:00","date_gmt":"2011-03-03T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/large-scale-image-retrieval-based-on-user-generated-content\/"},"modified":"2011-03-03T00:00:00","modified_gmt":"2011-03-03T00:00:00","slug":"large-scale-image-retrieval-based-on-user-generated-content","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/informatica\/large-scale-image-retrieval-based-on-user-generated-content\/","title":{"rendered":"Large scale image retrieval based on user generated content"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Ximena Olivares Rios <\/strong><\/h2>\n<p>Los sistemas online para compartir fotos proporcionan una valiosa fuente de  contenidos generado por el usuario (ugc). La mayor\u00eda de los sistemas de  recuperaci\u00f3n de im\u00e1genes web utilizan las anotaciones textuales para  rankear los resultados, sin embargo estas anotaciones no solo ilustran el  contenido visual de una imagen, sino que tambi\u00e9n describen situaciones  subjetivas, espaciales, temporales y sociales, que complican la tarea de b\u00fasqueda  basada en palabras clave.  la investigaci\u00f3n en est\u00e1 tesis se centra en c&#8217;omo mejorar la recuperaci\u00f3n de  im\u00e1genes en sistemas de gran escala, es decir, la web, combinando informaci&#8217;on  proporcionada por los usuarios m\u00e1s el contenido visual de las im\u00e1genes.  en el presente trabajo se exploran distintos tipos de ugc, tales como anotaciones de texto, anotaciones visuales,  y datos de click-through, as\u00ed como diversas t\u00e9cnicas para combinar esta informaci\u00f3n con el objetivo de mejorar la recuperaci\u00f3n de im\u00e1genes usando informaci&#8217;on visual.  en conclusi\u00f3n, la investigaci\u00f3n realizada en esta tesis se centra en la importancia de incluir la informaci\u00f3n visual en distintas etapas de la recuperaci&#8217;on de contenido. combinando informaci\u00f3n visual con otras formas de ugc, es posible mejorar significativamente el rendimiento de un sistema de recuperaci\u00f3n de im\u00e1genes y cambiar la experiencia del usuario en la b\u00fasqueda de contenidos multimedia en la web.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Large scale image retrieval based on user generated content<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Large scale image retrieval based on user generated content <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Ximena Olivares Rios <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Pompeu fabra<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 03\/03\/2011<\/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>Ricardo Baeza Yates<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: daniel Gatica-perez <\/li>\n<li>nuria Oliver ram\u00edrez (vocal)<\/li>\n<li>  (vocal)<\/li>\n<li>  (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Ximena Olivares Rios Los sistemas online para compartir fotos proporcionan una valiosa fuente de contenidos generado por [&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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