{"id":114981,"date":"2013-12-12T00:00:00","date_gmt":"2013-12-12T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/a-framework-for-content-based-semantic-information-extraction-from-multimedia-contents\/"},"modified":"2013-12-12T00:00:00","modified_gmt":"2013-12-12T00:00:00","slug":"a-framework-for-content-based-semantic-information-extraction-from-multimedia-contents","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/inteligencia-artificial\/a-framework-for-content-based-semantic-information-extraction-from-multimedia-contents\/","title":{"rendered":"A framework for content based semantic information extraction from multimedia contents"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Igor Garcia Olaizola <\/strong><\/h2>\n<p>Una de las caracter\u00edsticas principales de la nueva era digital es el la gran explosi\u00f3n producida alrededor de los contenidos multimedia donde las im\u00e1genes (tanto est\u00e1ticas como en movimiento) suponen el tipo principal de dato. Adem\u00e1s, esta tendencia sigue siendo creciente debido principalmente a la facilidad de captura ofrecida por los dispositivos m\u00f3viles que incluyen una o m\u00e1s c\u00e1maras.De una forma m\u00e1s espec\u00edfica, podemos destacar el sector audiovisual en el que se est\u00e1 produciendo una profunda transformaci\u00f3n provocada principalmente por el proceso de convergencia con internet. En esta situaci\u00f3n, se hacen cada vez m\u00e1s necesarios sistemas de b\u00fasqueda y recuperaci\u00f3n de contenidos que permitan navegar en conjuntos masivos de datos que cada vez son m\u00e1s distribuidos y de una procedencia m\u00e1s heterog\u00e9nea.El presente trabajo de tesis presenta una revisi\u00f3n sobre la actividad de investigaci\u00f3n aplicada que se ha realizado mediante varios proyectos relacionados con la visi\u00f3n por computador y la gesti\u00f3n de contenido multimedia. Uno de los resultados principales de esta actividad investigadora ha sido el modelo mandr\u00e1gora, un dise\u00f1o de arquitectura con el objetivo de minimizar la brecha sem\u00e1ntica y crear anotaciones autom\u00e1ticas basadas en una ontolog\u00eda previamente definida.Debido a que uno de los problemas principales a los que se enfrenta la implementaci\u00f3n de mandr\u00e1gora es el hecho de que la falta de conocimiento previo sobre el contenido limita el an\u00e1lisis inicial, hemos propuesto un nuevo m\u00e9todo (ditec) para la caracterizaci\u00f3n sem\u00e1ntica de im\u00e1genes. Los buenos resultados obtenidos en las pruebas experimentales realizadas han resultado en una adaptaci\u00f3n del m\u00e9todo original basado en un descriptor global de manera que una variante de dicho descriptor global resulte eficaz como descriptor local. En este documento tambi\u00e9n se describe la variante ditec local en la que los resultados de las pruebas experimentales realizadas (a\u00fan con una implementaci\u00f3n en fase de desarrollo) han mostrado un comportamiento altamente competitivo al ser comparadas con los descriptores locales m\u00e1s populares en la literatura cient\u00edfica.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>A framework for content based semantic information extraction from multimedia contents<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 A framework for content based semantic information extraction from multimedia contents <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Igor Garcia Olaizola <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Pa\u00eds vasco\/euskal herriko unibertsitatea<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 12\/12\/2013<\/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>Julian Florez Esnal<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: M\u00aa aranzazu Illarramendi echave <\/li>\n<li>marco francesco Quartulli &#8212; (vocal)<\/li>\n<li>Luis Mar\u00eda no Matey mu\u00f1oz (vocal)<\/li>\n<li>didier Stricker &#8212; (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Igor Garcia Olaizola Una de las caracter\u00edsticas principales de la nueva era digital es el la gran [&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 center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"footnotes":""},"categories":[2528,12909],"tags":[227688,227686,14058,32224,227687,188081],"class_list":["post-114981","post","type-post","status-publish","format-standard","hentry","category-inteligencia-artificial","category-pais-vasco-euskal-herriko-unibertsitatea","tag-didier-stricker","tag-igor-garcia-olaizola","tag-julian-florez-esnal","tag-luis-maria-no-matey-munoz","tag-marco-francesco-quartulli","tag-ma-aranzazu-illarramendi-echave"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/114981","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/comments?post=114981"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/114981\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=114981"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=114981"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=114981"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}