{"id":31,"date":"2014-11-23T00:02:51","date_gmt":"2014-11-22T15:02:51","guid":{"rendered":"http:\/\/nakais-met.yukiarare.net\/?p=31"},"modified":"2014-11-23T00:02:51","modified_gmt":"2014-11-22T15:02:51","slug":"imagemagick%e3%81%a7%e8%89%b2%e6%bc%94%e7%ae%97","status":"publish","type":"post","link":"https:\/\/nakais-met.yukiarare.net\/?p=31","title":{"rendered":"ImageMagick\u3067\u8272\u6f14\u7b97"},"content":{"rendered":"<p>\u25cb\u307e\u305a\u306f\u539f\u7406\uff1a\u3000\u8272\u76f8(H)\u3001\u5f69\u5ea6\u306b\u3064\u3044\u3066<br \/>\nRGB\u5404\u8272\u306e\u660e\u5ea6\u5024(0-255)\u304b\u3089\u8a08\u7b97\u3067\u304d\u308b\u3002<br \/>\nR\u3001G\u3001B\u3092\u305d\u308c\u305e\u308c\uff13\u6b21\u5143\u306e\u5404\u5ea7\u6a19\u8ef8\u306b\u64ae\u3063\u305f\u5de6\u624b\u7cfb\u306e\u76f4\u4ea4\u5ea7\u6a19\u3092\u8003\u3048\u308b\u3002\u305d\u306e\u5ea7\u6a19\u7cfb\u3092\u767d(255,255,255)\u3092\u624b\u524d\u3001\u539f\u70b9(\u9ed2)(0,0,0)\u3092\u5965\u5074\u306b\u91cd\u306d\u3066R\u8ef8\u304c\u53f3\u65b9\u5411\u306b\u306a\u308b\u3088\u3046\u306b\u7f6e\u304f\u3002\u305d\u306e\u307e\u307e\u898b\u3066\u3044\u308b\u65b9\u5411\u306e(x,y)\uff12\u6b21\u5143\u306b\u6295\u5f71\u3057\u305f\u3068\u304d\u3001R\u8ef8(x\u8ef8)\u304b\u3089\u53cd\u6642\u8a08\u56de\u308a\u306b\u6e2c\u3063\u305f\u89d2\u5ea6\u304c\u8272\u76f8H\u3067\u3042\u308a\u3001R\u306fH=0\u00b0\u3001G\u306fH=120\u00b0\u3001B\u306fH=240\u00b0\u3068\u306a\u308b\u3002<br \/>\n\u3053\u306e\u5ea7\u6a19\u7cfb\u3067<br \/>\n(x,y)\uff1d(R-G\/2-B\/2,sqrt(3)G\/2-sqrt(3)B\/2)<br \/>\n\u3067\u3042\u308a\u3001<br \/>\nH\uff1darctan(y\/x)\uff1darctan(sqrt(3)(G-B))\/(2R-G-B)<br \/>\n\u3067\u3042\u308b\u3002<br \/>\n<a href=\"http:\/\/imagingsolution.blog107.fc2.com\/blog-entry-247.html\" target=\"_blank\">\u53c2\u7167\uff1a\u975e\u5e38\u306b\u308f\u304b\u308a\u3084\u3059\u3044\u89e3\u8aac\u300c\u8272\u76f8\u3001\u5f69\u5ea6\u3001\u660e\u5ea6\u306e\u8a08\u7b97\u65b9\u6cd5\u300d<\/a><\/p>\n<p>\u25cb\u8272\u6f14\u7b97\u3092\u3059\u308b\u3002<br \/>\n<a href=\"http:\/\/www.imagemagick.org\/script\/fx.php\" target=\"_blank\">ImageMagick\u306e\u30de\u30cb\u30e5\u30a2\u30eb\u8a72\u5f53\u30da\u30fc\u30b8<\/a><br \/>\n\u8272\u76f8hue\u3092\u5f97\u308b\u305f\u3081\u306b\u306f<br \/>\nH\uff1darctan(y\/x)\uff1darctan(sqrt(3)(G-B))\/(2R-G-B)<br \/>\n\u3092\u8a08\u7b97\u3059\u308c\u3070\u826f\u3044\u304c\u3001\uff10\u5272\u308a\u304c\u3042\u308b\u306e\u3067\u3001if\u304c\u4f7f\u3048\u306a\u3044convert\u3067\u306f\u82e6\u3057\u3044\u3002<br \/>\nconvert a.png -fx &#8220;atan2(sqrt(3)*(g-b),2*r-g-b)&#8221; a_hue.png<br \/>\n\u306e\u3088\u3046\u306b\u3084\u308d\u3046\u3068\u3059\u308b\u3068\u3001\uff10\u5272\u308a\u3067\u7570\u5e38\u306a\u5024\u304c\u51fa\u308b\u3001\u30de\u30a4\u30ca\u30b9\u306e\u51e6\u7406\u3092\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3001\u306a\u3069\u7c21\u5358\u306b\u306f\u89e3\u6c7a\u3057\u306a\u3044\u3002\u7279\u306b\u3001\uff10\u5272\u308a\u304c\u5165\u308b\u3068\u5168\u4f53\u306e\u5024\u304c\u304a\u304b\u3057\u304f\u306a\u308b\u3002<br \/>\n\u3057\u304b\u3057\u3001&#8221;hue&#8221;\u3067\u8272\u76f8\u304c0-255\u3067\u5f97\u3089\u308c\u308b\u306e\u3067\u3001<br \/>\nconvert a.png -fx &#8220;hue&#8221; a_hue.png<br \/>\n\u306e\u3088\u3046\u306b\u3059\u308c\u3070\u826f\u3044\u3002\u305f\u3060\u3057hue\u305d\u306e\u3082\u306e\u3067\u306f\u898b\u3084\u3059\u304f\u306a\u308b\u3068\u306f\u9650\u3089\u306a\u3044\u306e\u3067\u3001\u3082\u3046\u5c11\u3057\u6f14\u7b97\u304c\u5fc5\u8981\u3067\u3042\u308b\u3002<br \/>\n<a href=\"http:\/\/q.hatena.ne.jp\/1347518440\" target=\"_blank\">\u53c2\u8003\u306b\u306a\u308b\u30da\u30fc\u30b8<\/a><\/p>\n<p>\u25cb\u30ab\u30e9\u30fc\u753b\u50cf\u304b\u3089R\u3001G\u3001B\u306e\u660e\u5ea6\u3092\u53d6\u308a\u51fa\u3057\u305f\u308a\u5408\u6210\u3057\u305f\u308a\u3059\u308b\u3002<br \/>\n\u5404\u8272\u306e\u53d6\u308a\u51fa\u3057<br \/>\nconvert a.png -fX R a_R.png<br \/>\nconvert a.png -fX G a_G.png<br \/>\nconvert a.png -fX B a_B.png<br \/>\n\uff32\u3001\uff27\u3001\uff22\u306b\u30b0\u30ec\u30fc\u30b9\u30b1\u30fc\u30eb\u753b\u50cf\u3092\u5272\u308a\u5f53\u3066(\u3053\u308c\u306f\uff22\u3068\uff27\u3092\u5165\u308c\u66ff\u3048\u305f\u4f8b<br \/>\nconvert ( a_R.png a_B.png a_G.png ) -set colorspace RGB -combine -set colorspace sRGB a_RBG.png<br \/>\n<a href=\"http:\/\/qiita.com\/mugng\/items\/91fb25cd3da3c5dbecaf\" target=\"_blank\">\u53c2\u8003\u306b\u306a\u308b\u30da\u30fc\u30b8<\/a><\/p>\n<p>ImageMagick \u306b\u3064\u3044\u3066\u306f\u30b0\u30b0\u308c\u3070\u305d\u308c\u306a\u308a\u306b\u51fa\u3066\u304f\u308b\u3002<\/p>\n<p><a href=\"http:\/\/www.dollpaper.com\/info\/296.html\" target=\"_blank\">\u25cbImageMagick convert \u30aa\u30d7\u30b7\u30e7\u30f3\u4e00\u89a7<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u25cb\u307e\u305a\u306f\u539f\u7406\uff1a\u3000\u8272\u76f8(H)\u3001\u5f69\u5ea6\u306b\u3064\u3044\u3066 RGB\u5404\u8272\u306e\u660e\u5ea6\u5024(0-255)\u304b\u3089\u8a08\u7b97\u3067\u304d\u308b\u3002 R\u3001G\u3001B\u3092\u305d\u308c\u305e\u308c\uff13\u6b21\u5143\u306e\u5404\u5ea7\u6a19\u8ef8\u306b\u64ae\u3063\u305f\u5de6\u624b\u7cfb\u306e\u76f4\u4ea4\u5ea7\u6a19\u3092\u8003\u3048\u308b\u3002\u305d\u306e\u5ea7\u6a19\u7cfb\u3092\u767d(255,255,255)\u3092\u624b\u524d\u3001\u539f\u70b9(\u9ed2) [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-31","post","type-post","status-publish","format-standard","hentry","category-imagingweb"],"_links":{"self":[{"href":"https:\/\/nakais-met.yukiarare.net\/index.php?rest_route=\/wp\/v2\/posts\/31","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nakais-met.yukiarare.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nakais-met.yukiarare.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nakais-met.yukiarare.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nakais-met.yukiarare.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=31"}],"version-history":[{"count":3,"href":"https:\/\/nakais-met.yukiarare.net\/index.php?rest_route=\/wp\/v2\/posts\/31\/revisions"}],"predecessor-version":[{"id":34,"href":"https:\/\/nakais-met.yukiarare.net\/index.php?rest_route=\/wp\/v2\/posts\/31\/revisions\/34"}],"wp:attachment":[{"href":"https:\/\/nakais-met.yukiarare.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=31"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nakais-met.yukiarare.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=31"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nakais-met.yukiarare.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=31"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}