{"id":34047,"date":"1998-01-01T00:00:00","date_gmt":"1998-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/evaluacion-de-umbrales-de-discriminacion-en-mecanismos-de-vision-del-color\/"},"modified":"1998-01-01T00:00:00","modified_gmt":"1998-01-01T00:00:00","slug":"evaluacion-de-umbrales-de-discriminacion-en-mecanismos-de-vision-del-color","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/fisica\/evaluacion-de-umbrales-de-discriminacion-en-mecanismos-de-vision-del-color\/","title":{"rendered":"Evaluacion de umbrales de discriminacion en mecanismos de vision del color."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Ana Yebra Rodriguez <\/strong><\/h2>\n<p>En esta memoria de doctorado se plantearon como objetivos fundamentales obtener los umbrales de discriminaci\u00f3n de un amplio conjunto de est\u00edmulos que nos permitieron analizar, por una parte, la influencia de la luminancia en los umbrales de discriminaci\u00f3n, y por otra parte, estudiar la discriminaci\u00f3n crom\u00e1tica seg\u00fan los distintos mecanismos de la visi\u00f3n del color. Estos objetivos se plantearon ya que, a pesar del extenso n\u00famero de trabajos que ya se han realizado sobre este tema, todav\u00eda quedan muchas inc\u00f3gnitas sin resolver.  para abordar estos grandes objetivos, se hizo necesario previamente encontrar un m\u00e9todo de trabajo adecuado y una elecci\u00f3n de est\u00edmulos apropiada para el tipo de experiencias que pretend\u00edamos realizar. Para ello, se compararon cuatro m\u00e9todos experimentales diferentes obteniendo con ellos el umbral de un est\u00edmulo acrom\u00e1tico para 5 observadores. Se encontr\u00f3 que de ellos, el m\u00e9todo basado en la presentaci\u00f3n aleatoria de est\u00edmulos situados en el diagrama crom\u00e1tico sobre una misma l\u00ednea aporta mayor fiabilidad y reproducibilidad en las medidas.  para calcular los umbrales de discriminaci\u00f3n crom\u00e1tica que analizar\u00edamos posteriormente, se eligieron 66 est\u00faados sobre las intersecciones de tres l\u00edneas de confusi\u00f3n trit\u00e1n y seis l\u00edneas rojo-verde. Las coordenadas de estos est\u00edmulos son tales que \u00e9stos se pueden agrupar en conjuntos de est\u00edmulos con las mismas coordenadas y diferentes luminancias, la misma luminancia y diferentes coordenadas, y diferentes coordenadas y luminancias pero manteniendo constante la excitaci\u00f3n del cono s.  analizando los resultados obtenidos en el diagrama cie1931, se observ\u00f3 que las elipses de discriminaci\u00f3n tienden a orientarse sobre las l\u00edneas de confusi\u00f3n trit\u00e1n, y que son m\u00e1s elongadas en la zona de los azules.  tambi\u00e9n en esta zona son de menor tama\u00f1o, encontrando las mayores elipses en la zona de los verdes. En este an\u00e1lisis encontramos q<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Evaluacion de umbrales de discriminacion en mecanismos de vision del color.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Evaluacion de umbrales de discriminacion en mecanismos de vision del color. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Ana Yebra Rodriguez <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Granada<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/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> Garcia Garcia Jos\u00e9 Antonio<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Enrique Hita Villaverde <\/li>\n<li>Joaquin Campos Acosta (vocal)<\/li>\n<li>Jos\u00e9 Barcala Herrero (vocal)<\/li>\n<li> Suero Lopez M. Isabel (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Ana Yebra Rodriguez En esta memoria de doctorado se plantearon como objetivos fundamentales obtener los umbrales 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 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":[1526,199,1525,17468],"tags":[92271,3848,59303,81837,9686,68722],"class_list":["post-34047","post","type-post","status-publish","format-standard","hentry","category-colorimetria","category-fisica","category-optica","category-optica-fisiologica","tag-ana-yebra-rodriguez","tag-enrique-hita-villaverde","tag-garcia-garcia-jose-antonio","tag-joaquin-campos-acosta","tag-jose-barcala-herrero","tag-suero-lopez-m-isabel"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/34047","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=34047"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/34047\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=34047"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=34047"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=34047"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}