{"id":6671,"date":"2026-02-09T16:32:37","date_gmt":"2026-02-09T15:32:37","guid":{"rendered":"https:\/\/workboot.fr\/ciela\/?page_id=6671"},"modified":"2026-02-09T16:50:32","modified_gmt":"2026-02-09T15:50:32","slug":"imagemagick","status":"publish","type":"page","link":"https:\/\/workboot.fr\/ciela\/imagemagick\/","title":{"rendered":"imagemagick"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">ImageMagick : Un outil puissant de manipulation d&rsquo;images<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>ImageMagick<\/strong>&nbsp;est une suite logicielle&nbsp;<strong>open-source<\/strong>&nbsp;pour cr\u00e9er, \u00e9diter, composer et convertir des images dans de nombreux formats.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">la commande convert va convertir le format de l&rsquo;image en fonction de l&rsquo;extension.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>convert image.jpg image.pbm<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">modifier une taille d&rsquo;image<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>convert photo.jpg -resize 50% smaller.jpg<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">ajouter un texte<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>convert photo.jpg -pointsize 30 -fill white -annotate +50+50 \"Mon texte\" result.jpg<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">rogner une image<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>convert image.jpg -crop 300x300+100+50 cropped.jpg<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">cr\u00e9er un gif anim\u00e9<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>convert -delay 100 frame*.jpg animation.gif<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">traitement d&rsquo;image  <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Enlever des points<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>convert image.jpg -despeckle image_clean.jpg<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">pour enlever des points median<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>convert image.jpg -median 3 image_clean.jpg<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong><code>-median 3<\/code><\/strong>&nbsp;: Remplace chaque pixel par la m\u00e9diane des 3\u00d73 pixels autour<\/li>\n\n\n\n<li><strong>Tr\u00e8s efficace<\/strong>&nbsp;pour supprimer le \u00ab\u00a0bruit poivre et sel\u00a0\u00bb<\/li>\n\n\n\n<li><strong>Param\u00e8tre<\/strong>&nbsp;: Plus la valeur est grande, plus l&rsquo;effet est fort (1-10)<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\"><strong>Outil<\/strong><\/th><th class=\"has-text-align-left\" data-align=\"left\"><strong>Usage principal<\/strong><\/th><th class=\"has-text-align-left\" data-align=\"left\"><strong>Exemple<\/strong><\/th><\/tr><\/thead><tbody><tr><td><code>convert<\/code><\/td><td>Tout faire<\/td><td><code>convert in.jpg -resize 50% out.jpg<\/code><\/td><\/tr><tr><td><code>mogrify<\/code><\/td><td>Traitement par lots<\/td><td><code>mogrify -resize 800x *.jpg<\/code><\/td><\/tr><tr><td><code>montage<\/code><\/td><td>Collages\/mosa\u00efques<\/td><td><code>montage *.jpg grid.jpg<\/code><\/td><\/tr><tr><td><code>composite<\/code><\/td><td>Superpositions<\/td><td><code>composite logo.png photo.jpg<\/code><\/td><\/tr><tr><td><code>identify<\/code><\/td><td>Informations<\/td><td><code>identify -format \"%wx%h\" img.jpg<\/code><\/td><\/tr><tr><td><code>compare<\/code><\/td><td>Diff\u00e9rences<\/td><td><code>compare img1.jpg img2.jpg diff.png<\/code><\/td><\/tr><tr><td><code>display<\/code><\/td><td>Visualisation<\/td><td><code>display image.jpg<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>ImageMagick : Un outil puissant de manipulation d&rsquo;images ImageMagick&nbsp;est une suite logicielle&nbsp;open-source&nbsp;pour cr\u00e9er, \u00e9diter, composer et convertir des images dans de nombreux formats. la commande convert va convertir le format de l&rsquo;image en fonction de l&rsquo;extension. modifier une taille d&rsquo;image ajouter un texte rogner une image cr\u00e9er un gif anim\u00e9 traitement d&rsquo;image Enlever des points [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_uag_custom_page_level_css":"","footnotes":""},"class_list":["post-6671","page","type-page","status-publish","hentry"],"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false},"uagb_author_info":{"display_name":"admin","author_link":"https:\/\/workboot.fr\/ciela\/author\/admin\/"},"uagb_comment_info":0,"uagb_excerpt":"ImageMagick : Un outil puissant de manipulation d&rsquo;images ImageMagick&nbsp;est une suite logicielle&nbsp;open-source&nbsp;pour cr\u00e9er, \u00e9diter, composer et convertir des images dans de nombreux formats. la commande convert va convertir le format de l&rsquo;image en fonction de l&rsquo;extension. modifier une taille d&rsquo;image ajouter un texte rogner une image cr\u00e9er un gif anim\u00e9 traitement d&rsquo;image Enlever des points\u2026","_links":{"self":[{"href":"https:\/\/workboot.fr\/ciela\/wp-json\/wp\/v2\/pages\/6671","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/workboot.fr\/ciela\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/workboot.fr\/ciela\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/workboot.fr\/ciela\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/workboot.fr\/ciela\/wp-json\/wp\/v2\/comments?post=6671"}],"version-history":[{"count":7,"href":"https:\/\/workboot.fr\/ciela\/wp-json\/wp\/v2\/pages\/6671\/revisions"}],"predecessor-version":[{"id":6684,"href":"https:\/\/workboot.fr\/ciela\/wp-json\/wp\/v2\/pages\/6671\/revisions\/6684"}],"wp:attachment":[{"href":"https:\/\/workboot.fr\/ciela\/wp-json\/wp\/v2\/media?parent=6671"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}