{"id":14002,"date":"2018-03-09T09:00:31","date_gmt":"2018-03-09T09:00:31","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/diseno-de-un-colora%c2%admetro-triesta%c2%admulo-a-partir-de-una-camara-ccd-rgb\/"},"modified":"2018-03-09T09:00:31","modified_gmt":"2018-03-09T09:00:31","slug":"diseno-de-un-colora%c2%admetro-triesta%c2%admulo-a-partir-de-una-camara-ccd-rgb","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/fisica\/diseno-de-un-colora%c2%admetro-triesta%c2%admulo-a-partir-de-una-camara-ccd-rgb\/","title":{"rendered":"Dise\u00f1o de un color\u00edmetro triest\u00edmulo a partir de una c\u00e1mara ccd-rgb"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Francisco Miguel Mart\u00ednez Verd\u00fa <\/strong><\/h2>\n<p>Un dispositivo de captura (esc\u00e1ner o c\u00e1mara) de im\u00e1genes digitales no es un instrumento de medida del color como un espectrofot\u00f3metro o un tele-espectrocolor\u00edmetro. aunque codifica la informaci\u00f3n espectral contenida en una escena en tres canales de color rgb, los datos digitales rgb asociados a un est\u00edmulo visual no son los mismos que codificar\u00eda el observador humano, el cual se caracteriza por el observador patr\u00f3n colorim\u00e9trico cie-1931 xyz. Este trabajo desarrolla un algoritmo general de caracterizaci\u00f3n colorim\u00e9trica para cualquier dispositivo de captura incorporando un estudio del grado de exactitud (errores sistem\u00e1ticos) y precisi\u00f3n (errores aleatorios) con respecto un tele-espectrocolor\u00edmetro.  el modelo de caracterizaci\u00f3n se divide en un algoritmo de caracterizaci\u00f3n espectral y otro de caracterizaci\u00f3n colorim\u00e9trica. El dispositivo de captura usado ha sido una c\u00e1mara ccd-rgb sony dxc-930p conectada a una tarjeta digitalizadora matrox mvp-at 850.  la caracterizaci\u00f3n espectral consiste en la determinaci\u00f3n de las funciones de igualaci\u00f3n, las cuales son b\u00e1sicmaente las curvas de sensibilidad espectral relativa m\u00e1s dos factores de escalado; el escalado conjunto entre ellas y el balance de blanco ideal. El punto de partida para obtenerlas es la determinaci\u00f3n de las funciones espectrales de conversi\u00f3n optoelectr\u00f3nica oecsf, que no son m\u00e1s que una relaci\u00f3n emp\u00edrica entre los niveles digitales rgb y la exposici\u00f3n espectral incidente en el sensor optoelectr\u00f3nico. Gracias a ellas, hemos comprobado que la ley de la reciprocidad -la respuesta del sistema es independiente frente a valores id\u00e9nticos de exposici\u00f3n  espectral, pero obtenidos variando la apertura relativa n o el tiempo de exposici\u00f3n t- se verifica en fotograf\u00eda digital, cuando no se verifica en fotograf\u00eda fotoqu\u00edmica. Utilizando dos t\u00e9rminos ambivalentes de sensibilidad espectral -responsividad y espectro de acci\u00f3n- hemos determinando tambi\u00e9n<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Dise\u00f1o de un color\u00edmetro triest\u00edmulo a partir de una c\u00e1mara ccd-rgb<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Dise\u00f1o de un color\u00edmetro triest\u00edmulo a partir de una c\u00e1mara ccd-rgb <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Francisco Miguel Mart\u00ednez Verd\u00fa <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Polit\u00e9cnica de catalunya<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 23\/11\/2001<\/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>Jaume Pujol Ramo<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Luis Miguel Jim\u00e9nez del barco jaldo <\/li>\n<li>Carlos Iilueca contri (vocal)<\/li>\n<li> Artigas verde Jos\u00e9 m. (vocal)<\/li>\n<li>joaquim Campos acosta (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Francisco Miguel Mart\u00ednez Verd\u00fa Un dispositivo de captura (esc\u00e1ner o c\u00e1mara) de im\u00e1genes digitales no es un [&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":[332,1526,199,45243,6874,1525,15596,35505,1124],"tags":[26881,45246,45244,45245,45247,22053],"class_list":["post-14002","post","type-post","status-publish","format-standard","hentry","category-ciencias-tecnologicas","category-colorimetria","category-fisica","category-fotometria","category-instrumentos-opticos","category-optica","category-politecnica-de-catalunya","category-radiometria","category-tecnologia-de-la-instrumentacion","tag-artigas-verde-jose-m","tag-carlos-iilueca-contri","tag-francisco-miguel-Martinez-verdu","tag-jaume-pujol-ramo","tag-joaquim-campos-acosta","tag-luis-miguel-jimenez-del-barco-jaldo"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/14002","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=14002"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/14002\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=14002"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=14002"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=14002"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}