{"id":22366,"date":"2003-01-04T00:00:00","date_gmt":"2003-01-04T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/video-indexing-using-multimodal-information\/"},"modified":"2003-01-04T00:00:00","modified_gmt":"2003-01-04T00:00:00","slug":"video-indexing-using-multimodal-information","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/politecnica-de-valencia\/video-indexing-using-multimodal-information\/","title":{"rendered":"Video indexing using multimodal information"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Alberto Albiol Colomer <\/strong><\/h2>\n<p>La presente tesis se centra el del desarrollo de algoritmos para el indexado de secuencias de v\u00eddeo empleando informaci\u00f3n de distintas modalidades: audio e imagen.  la tesis se divide en dos partes. En la primera parte, se propone un sistema para la detecci\u00f3n de tomas de v\u00eddeo en las que aparezcan caras humanas. Como resultado del sistema de detecci\u00f3n se obtendr\u00e1 un valor de confianza que se utiliza en un sistema global de indexaci\u00f3n y b\u00fasqueda de secuencias de v\u00eddeo. El sistema global conocido como vibe ha sido desarollado en la universidad de purdue y emplea diferentes caracter\u00edsticas adicionales para realizar las b\u00fasquedas.  la segunda parte de la tesis se centra en el reconocimiento de personas en secuencias de v\u00eddeo, con el fin de poder indexar aquellas partes donde un determinado personaje aparece. El reconocimiento se realiza empleando distintas modalidades. En primer lugar se empela \u00fanicamente informaci\u00f3n de imagen. Para ello, se propone un sistema combinado de detecci\u00f3n-reconocimiento de caras. En segundo lugar, se considera \u00fanicamente informaci\u00f3n relativa al audio. En este caso, se han implementado t\u00e9cnicas de reconocimiento de personas basadas en la voz. Finalmente, se propone un sistema h\u00edbrido que emplea los resultados de las distintas modalidades audio-imagen, para crear un sistema multimodal m\u00e1s robusto y con mayor fiabilidad.  en la tesis tambi\u00e9n se tratan otros aspectos relacionados con los sistemas anteriores. Por ejemplo, se hace un estudio sobre sistemas de detecci\u00f3n de piel en imagen. Este paso se emplea en los distintos sistemas de detecci\u00f3n de caras como paso previo para centrar la b\u00fasqueda. Tambi\u00e9n se presenta un sistema para poder localizar aquellas partes de las secuencias de v\u00eddeo donde probablemente se va a encontrar un personaje hablando, y por tanto se pude aplicar el reconocimiento audiovisual.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Video indexing using multimodal information<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Video indexing using multimodal information <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Alberto Albiol Colomer <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Polit\u00e9cnica de Valencia<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/04\/2003<\/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>Llu\u00eds Torres Urgell<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: ferr\u00e1n Marques acosta <\/li>\n<li> Mossi Garc\u00eda Jos\u00e9 Manuel (vocal)<\/li>\n<li>Fernando Pereira (vocal)<\/li>\n<li>guillermo Cisneros perez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Alberto Albiol Colomer La presente tesis se centra el del desarrollo de algoritmos para el indexado de [&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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