{"id":74727,"date":"2018-03-09T23:19:49","date_gmt":"2018-03-09T23:19:49","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/mathematical-models-for-video-oculography\/"},"modified":"2018-03-09T23:19:49","modified_gmt":"2018-03-09T23:19:49","slug":"mathematical-models-for-video-oculography","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/fisica\/mathematical-models-for-video-oculography\/","title":{"rendered":"Mathematical models for video-oculography"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Arantzazu Villanueva Larre <\/strong><\/h2>\n<p>Una de las \u00e1reas menos exploradas por los investigadores dedicados a las tecnolog\u00edas de eye tracking (seguimiento de la mirada)es el dise\u00f1o de modelos matam\u00e1ticos basados en par\u00e1metros f\u00edsicos identificables con los elementos que  componen el sistema.Concretamente los sistemas de eye tracking basados en v\u00eddeo-oculograf\u00eda socian las im\u00e1genes del ojo capturadas por una c\u00e1mara u otro sistema de adquisici\u00f3n de imagen con el punto observado por el usuario mediante expresiones matem\u00e1ticas de prop\u00f3sito general, lineales o cuadr\u00e1ticas, basadas en coeficientes ciegos.El ajuste de los coeficientes de las ecuaciones de tracking se realiza a trav\u00e9s de procedimientos de calibraci\u00f3n que cosisten en obligar al usuario a fijar la vista en determinados puntos de la pantalla.De esta manera el sistema es ajustado al usuario espec\u00edfico y a la configuraci\u00f3n del sistema, a expensas de perder parte del control sobre el comportamiento intr\u00ednseco del sistema de v\u00eddeo-oculograf\u00eda.  parece l\u00f3gico pensar que un modelo basado en variables que describan los elementos del sistema de tracking como son el ojo, la pantalla , la c\u00e1mara o los iluminadores presentar\u00e1 un mejor comportamiento.La necesidad de explorar m\u00e1s profundamente en las conexiones existentes entre los  elementos del sistema, as\u00ed como el requerimiento de construir un modelo f\u00edsico, de pie a construir modelos matem\u00e1ticos capaces, de describir los diferentes elementos del sistema as\u00ed como de reflejar diferentes caracter\u00edsticas de su funcionamiento.  la mayor ventaja de este modelo respecrto a los modelos gen\u00e9ticos existentes en que permite un mayor control sobre el comportamiento del sistema y proporciona un conocimiento previo sobre su sensibilidad posibles errores y precisi\u00f3n entre otros.  desde la perspectiva de las tecnolog\u00edas de eye tracking las contribuciones principales de esta tesis ser\u00edan dos:  . La construcci\u00f3n de un modelo matem\u00e1tico para un sistema de eye<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Mathematical models for video-oculography<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Mathematical models for video-oculography <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Arantzazu Villanueva Larre <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Navarra<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 17\/06\/2005<\/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 Cabeza Laguna<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Antonio P\u00e9rez ambite <\/li>\n<li>Rafael Barea navarro (vocal)<\/li>\n<li>beatriz Marcotegui iturmendi (vocal)<\/li>\n<li>jordi Vitri? marca (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Arantzazu Villanueva Larre Una de las \u00e1reas menos exploradas por los investigadores dedicados a las tecnolog\u00edas 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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