

{"id":66,"date":"2008-08-05T12:48:12","date_gmt":"2008-08-05T04:48:12","guid":{"rendered":"http:\/\/www.fredkuo.idv.tw\/wordpress\/?p=66"},"modified":"2008-12-16T07:44:48","modified_gmt":"2008-12-15T23:44:48","slug":"fogra-27-vs-fogra-39","status":"publish","type":"post","link":"https:\/\/fredkuo.idv.tw\/wordpress\/?p=66","title":{"rendered":"Fogra 27 vs. Fogra 39"},"content":{"rendered":"<p>Adobe Photoshop CS2 \u5e36\u7684ISO 12647-2 \u5ba3\u544a\u70ba Fogra 27, \u5230\u4e86CS3  \u5e36\u7684ISO 12647-2 \u5ba3\u544a\u70ba Fogra 39, \u539f\u5247\u4e0a\u7576\u7136\u662f\u7528\u65b0\u7684\u5ba3\u544a(Fogra 39). \u6709\u4eba\u554f\u4e86\u9019\u500b\u554f\u984c, \u4e5f\u4e0d\u597d\u5c31\u4e00\u53e5&#8221;\u7528\u65b0\u7684&#8221;\u5c31\u5e36\u904e, google \u4e00\u4e0b,\u9019\u7bc7\u5012\u662f\u4ea4\u4ee3\u5f97\u5f88\u6e05\u695a: http:\/\/digitalproof.info\/FOGRA39\/index-en.html<\/p>\n<p>\u6211\u8a66\u8457\u7528\u4e2d\u6587\u6574\u7406\u4e00\u4e0b<br \/>\nFOGRA27 chromaticity coordinates are drawn as grey circles, FOGRA39 chromaticity coordinates as black, blue or red circles. The lines connect the same CMYK values in FOGRA27 and 39.<br \/>\n<!--more--><br \/>\nThe color of the lines classifies the color difference (DELTA E 2000):<\/p>\n<p>    * Black stands for color differences between 1 and 3,<br \/>\n    * Blue for color differences between 3 and 5,<br \/>\n    * Red for color differences above 5.<br \/>\nFogra 27 \u98fd\u548c\u5ea6\u5ea7\u6a19\u7528\u7070\u8272\u5708\u4ee3\u8868,Fogra 27 \u98fd\u548c\u5ea6\u5ea7\u6a19\u7528\u9ed1\u8272,\u85cd\u8272\u53ca\u7d05\u8272\u5708\u4ee3\u8868,\u5176\u4e2d<br \/>\n* \u9ed1\u8272\u4ee3\u8868\u8272\u5dee\u57281\u548c3\u4e4b\u9593<br \/>\n* \u85cd\u8272\u4ee3\u8868\u8272\u5dee\u57283\u548c5\u4e4b\u9593<br \/>\n* \u7d05\u8272\u4ee3\u8868\u8272\u5dee\u5927\u65bc5<br \/>\n(\u8272\u5dee\u4ee5 DELTA E 2000 \u8a08\u7b97)<\/p>\n<p><img src='http:\/\/www.fredkuo.idv.tw\/wordpress\/image\/fogra27_39_LA.jpg' alt='' class='alignnone' \/><br \/>\n<img src='http:\/\/www.fredkuo.idv.tw\/wordpress\/image\/fogra27_39_LB.jpg' alt='' class='alignnone' \/><br \/>\n<img src='http:\/\/www.fredkuo.idv.tw\/wordpress\/image\/fogra27_39_AB.jpg' alt='' class='alignnone' \/><\/p>\n<p>Obviously the strongest differences appear in the range of dark grey and blue shades, which are shifted towards magenta.<\/p>\n<p>The average of all values with \u0394E00>5 results in a CMYK value of 96\/91\/72\/14, Lab 24.6\/4.3\/6.8 for FOGRA27 and Lab 24.5\/1.3\/7.9 for FOGRA39. The most significant change is a shift of \u0394a 5.5 towards magenta.<\/p>\n<p>\u6700\u5927\u5dee\u5225\u5728\u6df1\u7070\u53ca\u6df1\u85cd\u90e8\u4efd,\u6574\u500b\u5411Magenta\u504f\u79fb,<br \/>\n\u6700\u5927\u8272\u5dee\u767c\u751f\u5728&#8221;CMYK  96\/91\/72\/14&#8243;, Fogra 27 \u70ba Lab 24.6\/4.3\/6.8. Fogra 39 \u70ba Lab 24.5\/1.3\/7.9, \u5f80magenta \u65b9\u5411\u504f\u79fb,\u504f\u79fb\u91cf\u0394a 5.5.<\/p>\n<p>\u7070\u8272\u5e73\u8861<br \/>\nFogra 39 \u5448\u73fe\u65b0\u7684\u7070\u8272\u5e73\u8861\u53ca\u85cd\u8272\u8ef8\u7684\u98fd\u548c\u5ea6\u4fee\u6b63<br \/>\nThe CMYK value 100\/100\/100\/0 was apparently greenish (C = 7, h = 170\u00b0) and is now perfectly neutral (C = 0). With a \u0394E00 of 7.4 it is on rank 4 of 1457 in a table ordered by Delta E 2000 descending.<br \/>\n\u5176\u4e2d \u201dCMYK value 100\/100\/100\/0\u201d \u7531\u660e\u986f\u504f\u7da0 (C = 7, h = 170\u00b0)\u8b8a\u70ba\u5b8c\u5168\u7684\u7070(C=0),<br \/>\nRank 1 to 3 goes to the CMYK values 100\/100\/70\/0, 100\/100\/70\/20 and 100\/100\/85\/0 \u2014 very dark shades of blue with few or no black. Their \u0394E00 amounts to 8.2 through 7.9. The brightness is hardly changed (\u0394L 0.2\u20260.7), but with \u0394H = 6 they are obviously more violet.<br \/>\n\u8272\u5dee\u6700\u5927\u76841\u52303\u540d\u70ba CMYK 100\/100\/70\/0\uff0c100\/100\/70\/20\u53ca100\/100\/85\/0\uff0c\u5747\u70ba\u975e\u5e38\u6df1\u7684\u85cd\u8272\uff0c\u0394E00\u5f9e8.2 through 7.9<br \/>\n\u7b2c19\u683c(CMYK 100\/85\/100\/0) \u8272\u5dee5.4, \u98fd\u548c\u5ea6\u964d\u4e866.7, \u66f4\u63a5\u8fd1\u4e2d\u6027\u7070<\/p>\n<p>Shades of blue<br \/>\n\u6574\u9ad4\u4f86\u8aaa\uff0c\u85cd\u8272\u90e8\u4efd\u5f80\u6d0b\u7d05\u504f\u79fb(\u5448\u7d2b\u8272)\uff0c\u0394a \u7531 4\u52306\u4e0d\u7b49\uff0c\u5176\u4ed6\u4e3b\u8272\u53ca\u4e8c\u6b21\u8272(CMYRG)\u8b8a\u5316\u5f88\u5c0f(\u0394E00 = 0.6\u20261.6).<\/p>\n<p>Color space comparison<br \/>\n<img src='http:\/\/www.fredkuo.idv.tw\/wordpress\/image\/Fogra27-39_3D.jpg' alt='' class='alignnone' \/><br \/>\n\u75313D\u8272\u57df\u5716\u53ef\u770b\u51faFogra 39 \u5728red\/magenta \u6697\u90e8\u5927\u904eFogra27<\/p>\n<p>\u6578\u4f4d\u6253\u6a23\u8981\u6ce8\u610f\u4e00\u4e0b\u6697\u7d05\u90e8\u5206\u7684\u8272\u57df\u5920\u4e0d\u5920\uff0cUGRA\/FOGRA media wedge\u4e26\u770b\u4e0d\u5230\u9019\u90e8\u4efd(\u5982100\/100\/40\/100)<\/p>\n<p>\u7531FOGRA27\u5230FOGRA39 .\u4fee\u6b63\u4e86\u85cd\u8272\u90e8\u5206\u7684\u554f\u984c\uff0c\u4fee\u6b63\u4e86\u85cd\u8272\u90e8\u5206\u7684\u554f\u984c\u7070\u8272\u5e73\u8861\u4e5f\u66f4\u5bb9\u6613\u9054\u6210<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Adobe Photoshop CS2 \u5e36\u7684ISO 12647-2 \u5ba3\u544a\u70ba Fogra 27, \u5230\u4e86CS3 \u5e36 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[102,103],"class_list":["post-66","post","type-post","status-publish","format-standard","hentry","category-4","tag-102","tag-fogra"],"_links":{"self":[{"href":"https:\/\/fredkuo.idv.tw\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/66"}],"collection":[{"href":"https:\/\/fredkuo.idv.tw\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fredkuo.idv.tw\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fredkuo.idv.tw\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fredkuo.idv.tw\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=66"}],"version-history":[{"count":7,"href":"https:\/\/fredkuo.idv.tw\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/66\/revisions"}],"predecessor-version":[{"id":181,"href":"https:\/\/fredkuo.idv.tw\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/66\/revisions\/181"}],"wp:attachment":[{"href":"https:\/\/fredkuo.idv.tw\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=66"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fredkuo.idv.tw\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=66"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fredkuo.idv.tw\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=66"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}