{"id":96918,"date":"2018-03-11T10:17:16","date_gmt":"2018-03-11T10:17:16","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/face-tracking-with-active-models-for-a-driver-monitoring-application\/"},"modified":"2018-03-11T10:17:16","modified_gmt":"2018-03-11T10:17:16","slug":"face-tracking-with-active-models-for-a-driver-monitoring-application","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/inteligencia-artificial\/face-tracking-with-active-models-for-a-driver-monitoring-application\/","title":{"rendered":"Face tracking with active models for a driver monitoring application"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Jes\u00fas Nuevo Chiquero <\/strong><\/h2>\n<p>La falta de atenci\u00f3n durante la conducci\u00f3n es una de las principales causas de accidentes de tr\u00e1fico. La monitorizaci\u00f3n del conductor para detectar inatenci\u00f3n es un problema complejo, que incluye elementos fisiol\u00f3gicos y de comportamiento. Un sistema de visi\u00f3n computacional para detecci\u00f3n de inatenci\u00f3n se compone de varios etapas de procesado, y esta tesis se centra en el seguimiento de la cara del conductor.             la tesis doctoral propone un nuevo conjunto de v\u00eddeos de conductores, grabados en un veh\u00edculo real y en dos simuladores realistas, que contienen la mayor\u00eda de los comportamientos presentes en la conducci\u00f3n, incluyendo gestos, giros de cabeza, interacci\u00f3n con el sistema de sonido y otras distracciones, y somnolencia. Esta base de datos, rs-dmv, se emplea para evaluar el rendimiento de los m\u00e9todos que propone la tesis y otros del estado del arte.  la tesis analiza el rendimiento de los modelos activos de forma (asm), y de los modelos locales restringidos (clm), por considerarlos a priori de inter\u00e9s. En concreto, se ha evaluado el m\u00e9todo stacked trimmed asm (stasm), que integra una serie de mejoras sobre el asm original, mostrando una alta precisi\u00f3n en todas las pruebas cuando la cara es frontal a la c\u00e1mara, si bien no funciona con la cara girada y su velocidad de ejecuci\u00f3n es muy baja. Clm es capaz de ejecutarse con mayor rapidez, pero tiene una precisi\u00f3n mucho menor en todos los casos.  el tercer m\u00e9todo a evaluar es el modelado y seguimiento simult\u00e1neo (smat), que caracteriza la forma y la textura de manera incremental, a partir de muestras encontradas previamente. La textura alrededor de cada punto de la forma que define la cara se modela mediante un conjunto de grupos (clusters) de muestras pasadas. El trabajo de tesis propone 3 m\u00e9todos de clustering alternativos al original para la textura, y un modelo de forma entrenado off-line con una funci\u00f3n de ajuste robusta. Los m\u00e9todos alternativos propuestos obtienen una amplia mejora tanto en la precisi\u00f3n del seguimiento como en la robustez de \u00e9ste frente a giros de cabeza, oclusiones, gestos y cambios de iluminaci\u00f3n. Los m\u00e9todos propuestos tienen, adem\u00e1s, una baja carga computacional, y son capaces de ejecutarse a velocidades en torno a 100 im\u00e1genes por segundo en un computador de sobremesa.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Face tracking with active models for a driver monitoring application<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Face tracking with active models for a driver monitoring application <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Jes\u00fas Nuevo Chiquero <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Alcal\u00e1<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 30\/10\/2009<\/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>Luis Miguel Bergasa Pascual<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Miguel angel Sotelo vazquez <\/li>\n<li>lennart Svensson (vocal)<\/li>\n<li>enrique Cabello pardos (vocal)<\/li>\n<li>Luis Baumela molina (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Jes\u00fas Nuevo Chiquero La falta de atenci\u00f3n durante la conducci\u00f3n es una de las principales causas 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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