{"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

ImageMagick : Un outil puissant de manipulation d’images<\/h2>\n\n\n\n

ImageMagick<\/strong> est une suite logicielle open-source<\/strong> pour cr\u00e9er, \u00e9diter, composer et convertir des images dans de nombreux formats.<\/p>\n\n\n\n

la commande convert va convertir le format de l’image en fonction de l’extension.<\/p>\n\n\n\n

convert image.jpg image.pbm<\/code><\/pre>\n\n\n\n
modifier une taille d’image<\/p>\n\n\n\n
convert photo.jpg -resize 50% smaller.jpg<\/code><\/pre>\n\n\n\n
ajouter un texte<\/p>\n\n\n\n
convert photo.jpg -pointsize 30 -fill white -annotate +50+50 \"Mon texte\" result.jpg<\/code><\/pre>\n\n\n\n
rogner une image<\/p>\n\n\n\n
convert image.jpg -crop 300x300+100+50 cropped.jpg<\/code><\/pre>\n\n\n\n
cr\u00e9er un gif anim\u00e9<\/p>\n\n\n\n
convert -delay 100 frame*.jpg animation.gif<\/code><\/pre>\n\n\n\n
traitement d’image  <\/p>\n\n\n\n
Enlever des points<\/p>\n\n\n\n
convert image.jpg -despeckle image_clean.jpg<\/code><\/pre>\n\n\n\n
pour enlever des points median<\/p>\n\n\n\n
convert image.jpg -median 3 image_clean.jpg<\/code><\/pre>\n\n\n\n
    \n
  • -median 3<\/code><\/strong> : Remplace chaque pixel par la m\u00e9diane des 3\u00d73 pixels autour<\/li>\n\n\n\n
  • Tr\u00e8s efficace<\/strong> pour supprimer le \u00ab\u00a0bruit poivre et sel\u00a0\u00bb<\/li>\n\n\n\n
  • Param\u00e8tre<\/strong> : Plus la valeur est grande, plus l’effet est fort (1-10)<\/li>\n<\/ul>\n\n\n\n
    Outil<\/strong><\/th>Usage principal<\/strong><\/th>Exemple<\/strong><\/th><\/tr><\/thead>
    convert<\/code><\/td>Tout faire<\/td>convert in.jpg -resize 50% out.jpg<\/code><\/td><\/tr>
    mogrify<\/code><\/td>Traitement par lots<\/td>mogrify -resize 800x *.jpg<\/code><\/td><\/tr>
    montage<\/code><\/td>Collages\/mosa\u00efques<\/td>montage *.jpg grid.jpg<\/code><\/td><\/tr>
    composite<\/code><\/td>Superpositions<\/td>composite logo.png photo.jpg<\/code><\/td><\/tr>
    identify<\/code><\/td>Informations<\/td>identify -format \"%wx%h\" img.jpg<\/code><\/td><\/tr>
    compare<\/code><\/td>Diff\u00e9rences<\/td>compare img1.jpg img2.jpg diff.png<\/code><\/td><\/tr>
    display<\/code><\/td>Visualisation<\/td>display image.jpg<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n","protected":false},"excerpt":{"rendered":"
    ImageMagick : Un outil puissant de manipulation d’images ImageMagick est une suite logicielle open-source pour cr\u00e9er, \u00e9diter, composer et convertir des images dans de nombreux formats. la commande convert va convertir le format […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_crdt_document":"","_uag_custom_page_level_css":"","footnotes":""},"class_list":["post-6671","page","type-page","status-publish","hentry"],"yoast_head":"\nimagemagick - workboot<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/workboot.fr\/ciela\/imagemagick\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"imagemagick - workboot\" \/>\n<meta property=\"og:description\" content=\"ImageMagick : Un outil puissant de manipulation d’images ImageMagick est une suite logicielle open-source pour cr\u00e9er, \u00e9diter, composer et convertir des images dans de nombreux formats. la commande convert va convertir le format […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/workboot.fr\/ciela\/imagemagick\/\" \/>\n<meta property=\"og:site_name\" content=\"workboot\" \/>\n<meta property=\"article:modified_time\" content=\"2026-02-09T15:50:32+00:00\" \/>\n<meta name=\"twitter:label1\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/workboot.fr\\\/ciela\\\/imagemagick\\\/\",\"url\":\"https:\\\/\\\/workboot.fr\\\/ciela\\\/imagemagick\\\/\",\"name\":\"imagemagick - 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