{"id":122,"date":"2009-08-09T22:01:00","date_gmt":"2009-08-09T20:01:00","guid":{"rendered":"http:\/\/ngc1997.fr\/Astrophotographie\/?page_id=122"},"modified":"2009-08-12T00:10:18","modified_gmt":"2009-08-11T22:10:18","slug":"iris-en-action-3","status":"publish","type":"page","link":"http:\/\/ngc1997.fr\/Astrophotographie\/technique\/traitement-dimages\/iris\/iris-en-action-3","title":{"rendered":"Iris en action&#8230;3"},"content":{"rendered":"<ul>\n<li>Il est temps de convertir nos images pr\u00e9trait\u00e9es en images couleurs&#8230;\n<div style=\"height: 10px; display: block;\"><\/div>\n<p><div style=\"width: 350px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/www.ngc1997.fr\/video\/Iris_13.avi\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" title=\"Video Iris 13\" src=\"https:\/\/i0.wp.com\/www.ngc1997.fr\/images\/aide_iris\/Iris_13.jpg?resize=350%2C263\" alt=\"Cliquer sur limage\" width=\"350\" height=\"263\" \/><\/a><p class=\"wp-caption-text\">CLiquer sur l&#39;image<\/p><\/div><\/li>\n<\/ul>\n<div style=\"height: 10px; display: block;\"><\/div>\n<ul>\n<li>Puis il faut maintenant \u00ab\u00a0registrer\u00a0\u00bb les images couleurs, c&rsquo;est \u00e0 dire compenser le d\u00e9calage entre chacune des images pour qu&rsquo;elles puissent parfaitement se superposer.\n<div style=\"height: 10px; display: block;\"><\/div>\n<p>Attention cette op\u00e9ration doit toujours \u00eatre faite sur des images couleurs sous peine de r\u00e9sulats \u00e9tranges (le probl\u00e8me avec les APN \u00e9tant la matrice de bayer &#8211; voir site d&rsquo;Iris pour plus d&rsquo;information -).<\/p>\n<div style=\"height: 10px; display: block;\"><\/div>\n<p><div style=\"width: 350px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/www.ngc1997.fr\/video\/Iris_14.avi\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" title=\"Video Iris 14\" src=\"https:\/\/i0.wp.com\/www.ngc1997.fr\/images\/aide_iris\/Iris_14.jpg?resize=350%2C263\" alt=\"Cliquer sur limage\" width=\"350\" height=\"263\" \/><\/a><p class=\"wp-caption-text\">Cliquer sur l&#39;image<\/p><\/div><\/li>\n<\/ul>\n<div style=\"height: 10px; display: block;\"><\/div>\n<ul>\n<li>Nous pouvons maintenant additionner les diff\u00e9rentes images, l&rsquo;exemple montre ici une simple addition arithm\u00e9tique.\n<div style=\"height: 10px; display: block;\"><\/div>\n<p><div style=\"width: 350px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/www.ngc1997.fr\/video\/Iris_15.avi\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" title=\"Video Iris 15\" src=\"https:\/\/i0.wp.com\/www.ngc1997.fr\/images\/aide_iris\/Iris_15.jpg?resize=350%2C263\" alt=\"Cliquer sur limage\" width=\"350\" height=\"263\" \/><\/a><p class=\"wp-caption-text\">Cliquer sur l&#39;image<\/p><\/div><\/li>\n<\/ul>\n<div style=\"height: 10px; display: block;\"><\/div>\n<ul>\n<li>Il faut alors sauvegarder l&rsquo;image obtenue avant de tester les diff\u00e9rentes fonctions du logiciel, la fonction \u00ab\u00a0annuler\u00a0\u00bb ne marchant que sur un niveau et pas avec toutes les commandes&#8230;\n<div style=\"height: 10px; display: block;\"><\/div>\n<p>Si on est s\u00fbr de l&rsquo;image finale on peut aussi effacer les fichers interm\u00e9diaires, afin de faire un peu de place sur le disque.<\/p>\n<div style=\"height: 10px; display: block;\"><\/div>\n<p><div style=\"width: 350px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/www.ngc1997.fr\/video\/Iris_16.avi\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" title=\"Video Iris 16\" src=\"https:\/\/i0.wp.com\/www.ngc1997.fr\/images\/aide_iris\/Iris_16.jpg?resize=350%2C263\" alt=\"Cliquer sur limage\" width=\"350\" height=\"263\" \/><\/a><p class=\"wp-caption-text\">Cliquer sur l&#39;image<\/p><\/div><\/li>\n<\/ul>\n<div style=\"height: 10px; display: block;\"><\/div>\n<ul>\n<li>Pour r\u00e9duire la taille de l&rsquo;image et gagner en dynamique on peut utiliser la fonction binning du menu visualisation (bien s\u00fbr on perd alors en r\u00e9solution).\n<div style=\"height: 10px; display: block;\"><\/div>\n<p><div style=\"width: 350px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/www.ngc1997.fr\/video\/Iris_17.avi\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" title=\"Video Iris 17\" src=\"https:\/\/i0.wp.com\/www.ngc1997.fr\/images\/aide_iris\/Iris_17.jpg?resize=350%2C263\" alt=\"Cliquer sur limage\" width=\"350\" height=\"263\" \/><\/a><p class=\"wp-caption-text\">Cliquer sur l&#39;image<\/p><\/div><\/li>\n<\/ul>\n<div style=\"height: 10px; display: block;\"><\/div>\n<ul>\n<li>Puis il ne reste plus qu&rsquo;\u00e0 enregistrer l&rsquo;image au format .jpeg par exemple si on veut publier l&rsquo;image sur internet&#8230; (d&rsquo;ailleurs voil\u00e0 l&rsquo;image finale )\n<div style=\"height: 10px; display: block;\"><\/div>\n<p><div style=\"width: 350px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/www.ngc1997.fr\/video\/Iris_18.avi\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" title=\"Video Iris 18\" src=\"https:\/\/i0.wp.com\/www.ngc1997.fr\/images\/aide_iris\/Iris_18.jpg?resize=350%2C263\" alt=\"Cliquer sur limage\" width=\"350\" height=\"263\" \/><\/a><p class=\"wp-caption-text\">Cliquer sur l&#39;image<\/p><\/div><\/li>\n<\/ul>\n<div style=\"height: 10px; display: block;\"><\/div>\n<p style=\"text-align: center;\"><a href=\"http:\/\/ngc1997.fr\/Astrophotographie\/technique\/traitement-dimages\/iris\/iris-en-action-2\">Page pr\u00e9c\u00e9dente<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Il est temps de convertir nos images pr\u00e9trait\u00e9es en images couleurs&#8230; Puis il faut maintenant \u00ab\u00a0registrer\u00a0\u00bb les images couleurs, c&rsquo;est \u00e0 dire compenser le d\u00e9calage entre chacune des images pour qu&rsquo;elles puissent parfaitement se superposer. Attention cette op\u00e9ration doit toujours \u00eatre faite sur des images couleurs sous peine de r\u00e9sulats \u00e9tranges (le probl\u00e8me avec les &hellip; <\/p>\n<p><a class=\"more-link btn\" href=\"http:\/\/ngc1997.fr\/Astrophotographie\/technique\/traitement-dimages\/iris\/iris-en-action-3\">Lire la suite<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"parent":228,"menu_order":0,"comment_status":"closed","ping_status":"open","template":"page-without-sidebar.php","meta":{"ngg_post_thumbnail":0,"jetpack_post_was_ever_published":false,"footnotes":""},"class_list":["post-122","page","type-page","status-publish","hentry","nodate","item-wrap"],"jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/P9djkl-1Y","jetpack_likes_enabled":true,"jetpack-related-posts":[],"_links":{"self":[{"href":"http:\/\/ngc1997.fr\/Astrophotographie\/wp-json\/wp\/v2\/pages\/122"}],"collection":[{"href":"http:\/\/ngc1997.fr\/Astrophotographie\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"http:\/\/ngc1997.fr\/Astrophotographie\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"http:\/\/ngc1997.fr\/Astrophotographie\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/ngc1997.fr\/Astrophotographie\/wp-json\/wp\/v2\/comments?post=122"}],"version-history":[{"count":0,"href":"http:\/\/ngc1997.fr\/Astrophotographie\/wp-json\/wp\/v2\/pages\/122\/revisions"}],"up":[{"embeddable":true,"href":"http:\/\/ngc1997.fr\/Astrophotographie\/wp-json\/wp\/v2\/pages\/228"}],"wp:attachment":[{"href":"http:\/\/ngc1997.fr\/Astrophotographie\/wp-json\/wp\/v2\/media?parent=122"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}