{"id":6526,"date":"2021-02-11T22:55:53","date_gmt":"2021-02-11T21:55:53","guid":{"rendered":"http:\/\/www.arnaudom.fr\/wordpress\/?page_id=6526"},"modified":"2021-02-11T23:08:51","modified_gmt":"2021-02-11T22:08:51","slug":"finirisold","status":"publish","type":"page","link":"https:\/\/www.arnaudom.fr\/wordpress\/finirisold\/","title":{"rendered":"finirisold"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"6526\" class=\"elementor elementor-6526\">\n\t\t\t\t\t\t<div class=\"elementor-inner\">\n\t\t\t\t<div class=\"elementor-section-wrap\">\n\t\t\t\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-1aa5bfc3 elementor-section-full_width elementor-section-height-default elementor-section-height-default\" data-id=\"1aa5bfc3\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t\t\t<div class=\"elementor-row\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-57bce13\" data-id=\"57bce13\" data-element_type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-column-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2815c6e0 elementor-widget elementor-widget-heading\" data-id=\"2815c6e0\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Images avec un reflex num\u00e9rique<\/h1>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4aff85cd elementor-widget elementor-widget-heading\" data-id=\"4aff85cd\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Traitement des images (fin)<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6e8a9aec elementor-drop-cap-yes elementor-drop-cap-view-default elementor-widget elementor-widget-text-editor\" data-id=\"6e8a9aec\" data-element_type=\"widget\" data-settings=\"{&quot;drop_cap&quot;:&quot;yes&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-text-editor elementor-clearfix\">\n\t\t\t\t<p class=\"col4 gras taille1 ita\"><strong><span style=\"color: #ff0000;\">TROISIEME PARTIE : TRAITEMENT FINAL.<\/span><\/strong><\/p>\n<p><span style=\"color: #000000;\">On va utiliser la fonction <b><span class=\"gras\">Rehaussement de la dynamique (DDP)&#8230;<\/span><\/b>, qui se trouve dans le menu<b> <span class=\"gras\">Visualisation<\/span><\/b>.<\/span><\/p>\n<div class=\"centre\"><span style=\"color: #000000;\"><img decoding=\"async\" class=\"aligncenter\" src=\"http:\/\/www.arnaudom.fr\/Img\/tapn16.jpg\" alt=\"Iris\"><\/span><\/div>\n<p><span style=\"color: #000000;\">Il faut pousser le curseur Intensit\u00e9 vers la droite, ce qui permet de faire ressortir des d\u00e9tails (s&rsquo;il y en a !) sur l&rsquo;image. Faites des essais pour essayer d&rsquo;obtenir un r\u00e9sultat satisfaisant.<\/span><\/p>\n<p><span style=\"color: #000000;\">Comme je le disais auparavant, l&rsquo;image obtenue pr\u00e9sente globalement une teinte un peu verd\u00e2tre.<\/span><\/p>\n<div class=\"centre\"><span style=\"color: #000000;\"><img decoding=\"async\" class=\"aligncenter\" src=\"http:\/\/www.arnaudom.fr\/Img\/tapn17.jpg\" alt=\"Iris\"><\/span><\/div>\n<p><span style=\"color: #000000;\">Nous allons essayer d&rsquo;am\u00e9liorer cela, en corrigeant la balance des couleurs de l&rsquo;image. Pour cela, on va dans le menu <b><span class=\"gras\">Photo Num\u00e9rique<\/span><\/b>, et on clique sur <b><span class=\"gras\">Balance RGB&#8230;<\/span><\/b> Dans la fen\u00eatre qui appara\u00eet, on va remplir les coefficients avec des valeurs qui vont permettre de r\u00e9\u00e9quilibrer les couleurs de l&rsquo;image. Ici je tape 1.930 dans <b><span class=\"gras\">Coef.R<\/span><\/b>, 1.000 dans <b><span class=\"gras\">Coef.G<\/span><\/b> et 1.230 dans <b><span class=\"gras\">Coef.B<\/span><\/b>. Ces valeurs me donnent de bons r\u00e9sultats avec mon APN, mais il faudra peut-\u00eatre les modifier pour obtenir un r\u00e9sultat satisfaisant avec le v\u00f4tre, car elles d\u00e9pendent de chaque appareil photo. On clique sur <b><span class=\"gras\">OK<\/span><\/b>.<\/span><\/p>\n<div class=\"centre\"><span style=\"color: #000000;\"><img decoding=\"async\" class=\"aligncenter\" src=\"http:\/\/www.arnaudom.fr\/Img\/tapn18.jpg\" alt=\"Iris\"><\/span><\/div>\n<p><span style=\"color: #000000;\">L\u00e0 j&rsquo;obtiens la photo suivante, avec un ciel tout rouge ! Heureusement, Iris va me permettre de retrouver un ciel plus sombre dans quelques instants&#8230;<\/span><\/p>\n<div class=\"centre\"><span style=\"color: #000000;\"><img decoding=\"async\" class=\"aligncenter\" src=\"http:\/\/www.arnaudom.fr\/Img\/tapn19.jpg\" alt=\"Iris\"><\/span><\/div>\n<p><span style=\"color: #000000;\">On va faire un petit carr\u00e9 \u00e0 la souris, dans une partie de l&rsquo;image que l&rsquo;on souhaite plut\u00f4t noire, puis on tape la commande <b><span class=\"gras\">black<\/span><\/b> dans la console d&rsquo;Iris.<\/span><\/p>\n<div class=\"centre\"><span style=\"color: #000000;\"><img decoding=\"async\" class=\"aligncenter\" src=\"http:\/\/www.arnaudom.fr\/Img\/tapn20.jpg\" alt=\"Iris\"><\/span><\/div>\n<p><span style=\"color: #000000;\">Le fond de ciel redevient noir. On manipule les curseurs de visualisation pour obtenir une image satisfaisante, et on a enfin une image de notre objet qui commence \u00e0 ressembler \u00e0 quelque chose, avec des couleurs un peu plus conformes \u00e0 ce qu&rsquo;on esp\u00e9rait.<\/span><\/p>\n<div class=\"centre\"><span style=\"color: #000000;\"><img decoding=\"async\" class=\"aligncenter\" src=\"http:\/\/www.arnaudom.fr\/Img\/tapn21.jpg\" alt=\"Iris\"><\/span><\/div>\n<p><span style=\"color: #000000;\">Voil\u00e0, le traitement est termin\u00e9 ! A partir de l\u00e0, si vous voulez encore am\u00e9liorer votre image, il existe de nombreuses possibilit\u00e9s : redimensionner l&rsquo;image (r\u00e9duire un peu la taille de l&rsquo;image peut \u00eatre une bonne id\u00e9e, qui peut permettre aussi de cacher quelques petits d\u00e9fauts), appliquer un masque flou l\u00e9ger peut faire ressortir quelques d\u00e9tails, utiliser la fonction <span class=\"gras\"><b>Rehaussement des couleurs..<\/b>.<\/span> du menu <b><span class=\"gras\">Visualisation<\/span><\/b> qui donne parfois de bons r\u00e9sultats, transf\u00e9rer l&rsquo;image dans un logiciel de traitement graphique (typiquement Photoshop) pour en am\u00e9liorer le contraste etc&#8230; Il existe \u00e9galement une fonction dans Iris (<b><span class=\"gras\">Retrait du gradient&#8230;<\/span><\/b>) qui permet de corriger, partiellement ou totalement, les probl\u00e8mes de pollution lumineuse. Bref, les possibilit\u00e9s sont (tr\u00e8s) nombreuses pour am\u00e9liorer encore les images finales.<\/span><\/p>\n<div class=\"centre\"><span style=\"color: #ff0000;\"><img decoding=\"async\" class=\"aligncenter\" src=\"http:\/\/www.arnaudom.fr\/Img\/tapn22.jpg\" alt=\"Iris\"><\/span><\/div>\n<p><span style=\"color: #000000;\">C&rsquo;est fini ! Normalement vous avez maintenant les bases pour traiter vos images, j&rsquo;esp\u00e8re que ces pages vous seront utiles et comme d&rsquo;habitude, maintenant, y&rsquo;a plus qu&rsquo;\u00e0 &#8230;<br><\/span><\/p>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-342476c elementor-align-center elementor-widget elementor-widget-button\" data-id=\"342476c\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"http:\/\/www.arnaudom.fr\/wordpress\/addirisold\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t<span class=\"elementor-button-icon elementor-align-icon-left\">\n\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-arrow-left\"><\/i>\t\t\t<\/span>\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Retour \u00e0 la page pr\u00e9c\u00e9dente<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Images avec un reflex num\u00e9rique Traitement des images (fin) TROISIEME PARTIE : TRAITEMENT FINAL. On va utiliser la fonction Rehaussement de la dynamique (DDP)&#8230;, qui se trouve dans le menu Visualisation. Il faut pousser le curseur Intensit\u00e9 vers la droite, ce qui permet de faire ressortir des d\u00e9tails (s&rsquo;il y en a !) sur l&rsquo;image. &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/www.arnaudom.fr\/wordpress\/finirisold\/\"> <span class=\"screen-reader-text\">finirisold<\/span> Lire la suite\u00a0\u00bb<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"default","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":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"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":""},"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":""},"class_list":["post-6526","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.arnaudom.fr\/wordpress\/wp-json\/wp\/v2\/pages\/6526","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.arnaudom.fr\/wordpress\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.arnaudom.fr\/wordpress\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.arnaudom.fr\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.arnaudom.fr\/wordpress\/wp-json\/wp\/v2\/comments?post=6526"}],"version-history":[{"count":9,"href":"https:\/\/www.arnaudom.fr\/wordpress\/wp-json\/wp\/v2\/pages\/6526\/revisions"}],"predecessor-version":[{"id":6536,"href":"https:\/\/www.arnaudom.fr\/wordpress\/wp-json\/wp\/v2\/pages\/6526\/revisions\/6536"}],"wp:attachment":[{"href":"https:\/\/www.arnaudom.fr\/wordpress\/wp-json\/wp\/v2\/media?parent=6526"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}