{"id":62018,"date":"2018-03-09T22:49:55","date_gmt":"2018-03-09T22:49:55","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/contribuciones-al-reconocimiento-robusto-de-habla\/"},"modified":"2018-03-09T22:49:55","modified_gmt":"2018-03-09T22:49:55","slug":"contribuciones-al-reconocimiento-robusto-de-habla","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/tecnologia-de-las-telecomunicaciones\/contribuciones-al-reconocimiento-robusto-de-habla\/","title":{"rendered":"Contribuciones al reconocimiento robusto de habla"},"content":{"rendered":"<h2>Tesis doctoral de <strong>  De Vicente  Pe\u00f1a Jes\u00fas <\/strong><\/h2>\n<p>En esta tesis doctoral abordamos el problema del reconocimiento robusto de habla. En primer lugar, estudiamos el efecto de los ruidos aditivos. Mostramos que el deterioro de la eficacia de los reconocedores se debe, en parte, al excesivo poder de decisi\u00f3n que recae sobre caracter\u00edsticas de entrada que se pueden considerar outliers. El m\u00e9todo que denominamos bd-hmm es capaz de limitar la contribuci\u00f3n de estas muestras. Sin embargo, bd-hmm no act\u00faa sobre el resto de observaciones y es conveniente combinarlo con sustracci\u00f3n espectral. Por otro lado, sustracci\u00f3n espectral introduce distorsiones que afectan negativamente a los reconocedores. En esta tesis mostramos como estas distorsiones son convenientemente tratadas por bd-hmm. De este modo, bd-hmm y sustracci\u00f3n espectral se complementan perfectamente.  la estimaci\u00f3n de los par\u00e1metros que realiza sustracci\u00f3n espectral deja un cierto nivel de incertidumbre que los reconocedores convencionales no tienen en consideraci\u00f3n. En esta tesis modificamos el proceso de reconocimiento para tener en cuenta esta incertidumbre. por \u00faltimo, abordamos el problema del reconocimiento de habla cuando la se\u00f1al de voz se transmite  a trav\u00e9s de un canal inal\u00e1mbrico. Las distorsiones que este tipo de entornos introducen son m\u00e1s dif\u00edciles de modelar que en el caso de tener ruidos aditivos y, por ello, su efecto se estudia de forma experimental. A ra\u00edz de nuestras observaciones, proponemos filtrar paso-banda la evoluci\u00f3n temporal de los par\u00e1metros para aumentar la robustez del sistema reconocedor<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Contribuciones al reconocimiento robusto de habla<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Contribuciones al reconocimiento robusto de habla <\/li>\n<li><strong>Autor:<\/strong>\u00a0  De Vicente  Pe\u00f1a Jes\u00fas <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Carlos III de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 17\/12\/2007<\/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> Diaz  De Mar\u00eda  Fernando<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Antonio Artes Rodriguez <\/li>\n<li>Jos\u00e9 Carlos Segura Luna (vocal)<\/li>\n<li>Luis Alfonso Hernandez Gomez (vocal)<\/li>\n<li>Bastiaan Kleijn (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de De Vicente Pe\u00f1a Jes\u00fas En esta tesis doctoral abordamos el problema del reconocimiento robusto de habla. En [&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":[18550,2489],"tags":[16166,136976,136975,49274,30793,22109],"class_list":["post-62018","post","type-post","status-publish","format-standard","hentry","category-carlos-iii-de-madrid","category-tecnologia-de-las-telecomunicaciones","tag-antonio-artes-rodriguez","tag-bastiaan-kleijn","tag-de-vicente-pena-jesus","tag-diaz-de-maria-fernando","tag-jose-carlos-segura-luna","tag-luis-alfonso-hernandez-gomez"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/62018","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=62018"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/62018\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=62018"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=62018"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=62018"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}