{"id":38321,"date":"2018-03-09T09:37:50","date_gmt":"2018-03-09T09:37:50","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/correlador-optico-para-el-reconocimiento-de-objetos-basado-en-las-propiedades-de-modulacion-de-los-dispositivos-de-cristal-liquido\/"},"modified":"2018-03-09T09:37:50","modified_gmt":"2018-03-09T09:37:50","slug":"correlador-optico-para-el-reconocimiento-de-objetos-basado-en-las-propiedades-de-modulacion-de-los-dispositivos-de-cristal-liquido","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/fisica\/correlador-optico-para-el-reconocimiento-de-objetos-basado-en-las-propiedades-de-modulacion-de-los-dispositivos-de-cristal-liquido\/","title":{"rendered":"Correlador optico para el reconocimiento de objetos basado en las propiedades de modulacion de los dispositivos de cristal liquido."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Estela Mart\u00edn Badosa <\/strong><\/h2>\n<p>En el trabajo se presenta el dise\u00f1o e implementaci\u00f3n de un correlador de transformadas conjuntas (jtc) para aplicaciones pr\u00e1cticas de reconocimiento de objetos. Este correlador opera en tiempo real gracias a la incorporaci\u00f3n de una pantalla de cristal l\u00edquido para modular la luz de manera precisa y flexible y una c\u00e1mara ccd para registrar la intensidad.  el objetivo es estudiar y caracterizar los diferentes elementos y material de que se dispone y construir un sistema de reconocimiento de objetos que sea operativo, flexible y fiable. La metodolog\u00eda que resulte de este trabajo debe ser \u00fatil para aplicarla en el futuro, en el que la evoluci\u00f3n de la tecnolog\u00eda aportar\u00e1 dispositivos de mejores prestaciones y permitir\u00e1 el dise\u00f1o de correladores m\u00e1s compactos, veloces y vers\u00e1tiles con m\u00faltiples aplicaciones.  en el apartado de caracterizaci\u00f3n, se han obtenido las curvas de modulaci\u00f3n compleja de la pantalla de cristal l\u00edquido, es decir, c\u00f3mo modulan la amplitud y la fase de la luz. Para ello, se ha ideado un nuevo m\u00e9todo de medida de la fase.  el correlador dise\u00f1ado se utiliza en aplicaciones de reconocimiento. En concreto, se ha implementado un jtc no lineal, con el fin de mejorar las prestaciones y la capacidad de discriminaci\u00f3n del sistema. adem\u00e1s, \u00e9ste se ha adaptado para casos realistas en los que las escenas empleadas sufran dos tipos de degradaci\u00f3n: un movimiento relativo o un desenfoque.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Correlador optico para el reconocimiento de objetos basado en las propiedades de modulacion de los dispositivos de cristal liquido.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Correlador optico para el reconocimiento de objetos basado en las propiedades de modulacion de los dispositivos de cristal liquido. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Estela Mart\u00edn Badosa <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Barcelona<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 25\/06\/1998<\/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>Santiago Vallmitjana Rico<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Jos\u00e9 ram\u00f3n De Francisco moneo <\/li>\n<li>Mar\u00eda  josefa Yzuel gimenez (vocal)<\/li>\n<li>Carlos Ferreira garcia (vocal)<\/li>\n<li>Juan  Jos\u00e9 Villanueva pipa\u00f3n (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Estela Mart\u00edn Badosa En el trabajo se presenta el dise\u00f1o e implementaci\u00f3n de un correlador de transformadas [&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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