{"id":2411,"date":"2018-01-28T11:41:46","date_gmt":"2018-01-28T03:41:46","guid":{"rendered":"http:\/\/www.fredkuo.idv.tw\/wordpress\/?p=2411"},"modified":"2018-02-05T20:42:59","modified_gmt":"2018-02-05T12:42:59","slug":"print-by-number-about-density-and-tv-2","status":"publish","type":"post","link":"https:\/\/fredkuo.idv.tw\/wordpress\/?p=2411","title":{"rendered":"Print by Number :: about Density and TV"},"content":{"rendered":"

\u6fc3\u5ea6\u57fa\u672c\u516c\u5f0f\u5982\u4e0b<\/strong><\/p>\n

Density = log10 1\/Reflectance factor<\/strong><\/p>\n

\u7576\u727d\u6d89\u5230\u8272\u5f69\u6fc3\u5ea6\u6642\uff0c\u5fc5\u9808\u4ee5\u5176\u88dc\u8272\u6ffe\u7247\u4f86\u505a\u51fa\u66f4\u9ad8\u5206\u8fa8\u7387\u7684\u6578\u503c\uff0c\u662f\u4ee5\uff0cC\u58a8\u5fc5\u9808\u4ee5R \u6ffe\u93e1\u91cf\u6e2c\uff0cM\u58a8\u5fc5\u9808\u4ee5G \u6ffe\u93e1\u91cf\u6e2c\uff0cY\u58a8\u5fc5\u9808\u4ee5B \u6ffe\u93e1\u91cf\u6e2c\u3002<\/p>\n

\u6211\u7684\u5de5\u5177\u8a08\u7b97\u4f86\u539f\u4f86\u81ea\u5149\u8b5c\u8cc7\u6599\uff0c\u6fc3\u5ea6\u8a08\u7b97\u65b9\u6cd5\u5982\u4e0b:<\/p>\n

for ( $i = 380; $i <= 730; $i += 10) {
\n$sProduct=$values[$i]*$SpectraV[$i-34];
\n$sPSum=$sProduct+$sPSum;}
\n$sumV=array_sum($SpectraV);}<\/p>\n

$den=-log10($sPSum\/($sumV));<\/p>\n

\u8aaa\u660e:
\n\u7531340nm \u5230 730nm \u6ce2\u9577
\nsProduct\uff1a\u8a72\u6cb9\u58a8\u6ce2\u9577\u53cd\u5c04\u7387 *\u00a0 \u8a72\u6ffe\u93e1\u6ce2\u9577\u53cd\u5c04\u7387<\/p>\n

sPSum : sProduct(\u6cb9\u58a8*\u6ffe\u93e1)\u7a4d\u5206\u503c
\nsumV: \u6ffe\u93e1\u7a4d\u5206\u503c
\n\u6fc3\u5ea6\u503c:-log10(\u6cb9\u58a8-\u6ffe\u93e1\u6a5f\u5206\/\u6ffe\u93e1\u7a4d\u5206)<\/p>\n

\u6ffe\u93e1\u5149\u8b5c\u66f2\u7dda\u5b9a\u7fa9\u5982\u4e0b(Status T)<\/p>\n

\"image\"<\/a><\/p>\n

\u6fc3\u5ea6\u7b97\u6cd5\u6709\u4e0d\u540c\u898f\u5b9a\uff0c\u6211\u7528\u7684\u662fStatus T\uff0c\u4ee5\u4e0b\u70ba Status A \u8207 Status T\u5728 Green Filter \u7684\u5dee\u7570\u3002<\/p>\n

\"image\"<\/a><\/p>\n

TV \u7684\u7684\u7b97\u6cd5\u76ee\u524d\u81f3\u5c11\u6709\u9019\u5e7e\u7a2e\uff1a<\/strong><\/p>\n

Murray-Davies: (density TV)<\/span><\/h3>\n

\"TV1\"<\/a><\/p>\n

Colorimetric TV<\/strong><\/p>\n

\"TV1-3\"<\/a><\/p>\n

\u4ee5\u4e0b\u70ba\u4e00\u9752\u58a8(Cyan) \u7684 density TV \u8207 colorimetric TV \u5dee\u7570\uff0c\u4e2d\u9593\u8abf\u53ef\u5dee\u52302\u500b\u767e\u5206\u6bd4\u3002<\/p>\n

\"TV1-4\"<\/a><\/p>\n

Why Colorimetric TV?
\n\u7576\u5370\u5237\u696d\u7528 reference characterization data (\u5982 Fogra39, GRACoL 2006, JapanColor2001…) \u505a\u70ba\u5370\u5237\u8272\u7684\u76ee\u6a19\u503c\uff0c\u9019\u4e9b reference data set \u4e26\u4e0d\u5305\u542b\u6fc3\u5ea6\u503c\u6216\u662f\u5149\u8b5c\u503c,\u56e0\u6b64\u7121\u6cd5\u5c0e\u51fa\u6fc3\u5ea6TV\u503c\uff0c\u4f46\u5370\u6a5f\u64cd\u4f5c\u9084\u662f\u6709TV\u7684\u9700\u6c42\uff0c\u56e0\u6b64\u884d\u751f\u51facolorimetric TV \u7684 \u7b97\u6cd5\u3002\u8acb\u6ce8\u610f\u9019\u5169\u7a2e\u7b97\u6cd5\u6700\u5927\u53ef\u5dee\u5169\u500b\u767e\u5206\u6bd4\u3002<\/p>\n

\u7279\u5225\u8272(Spot color)\u7684 Density and TV<\/strong>\u3002 \u8acb\u53c3\u8003:
\nhttp:\/\/www.fredkuo.idv.tw\/wordpress\/?p=2165<\/a><\/p>\n

\u6211\u5011\u4e00\u822c\u91cf\u6e2cCMY\u6fc3\u5ea6\u6703\u7528\u5176\u4e92\u88dc\u8272\u6ffe\u93e1(RGB)\u4f86\u91cf\u6e2c\uff0c\u90a3\u7279\u5225\u8272\u5462?
\n\u4ee5Pantone 267C \u4f86\u8aaa\uff0c\u5149\u8b5c\u5cf0\u503c\u5728470 nm\uff0c\u4f7f\u7528 470 nm filter \u53ef\u6e2c\u5f97\u6fc3\u5ea61.65\uff0c\u76f8\u5c0d\u65bc DM<\/sub>(G\u00a0 filter) \u76841.38\uff0cspot filter \u7684\u6fc3\u5ea6\u503c\u6709\u66f4\u597d\u7684\u64cd\u4f5c\u5206\u8fa8\u7387\u3002<\/p>\n

\"SCTV-4\"<\/a>
\n\u540c\u6a23\u7684\uff0c\u7279\u5225\u8272\u4f7f\u7528SCTV\u7248\u8abf\u503c\u6bd4\u8d77Murray-Davies\u7248\u8abf\u503c\u6709\u66f4\u597d\u7684\u5206\u8fa8\u7387\u3002<\/p>\n

\u4ee5\u4e0a\u5169\u500b\u7279\u5225\u8272\u7684\u8655\u7406\u65b9\u6cd5\u5c0d\u5370\u6a5f\u64cd\u4f5c(SID & Tint)\u5e36\u4f86\u66f4\u597d\u7684\u5206\u8fa8\u7387\uff0c\u5370\u6a5f\u53ef\u4ee5\u7531\u6b64\u53d6\u5f97\u66f4\u7d30\u7dfb\u8207\u7cbe\u78ba\u7684\u64cd\u4f5c\u3002<\/p>\n

 <\/p>\n

\u6574\u7406<\/strong><\/p>\n

\u50b3\u7d71\u6fc3\u5ea6\u6fc3\u5ea6\u6709\u591a\u7a2e\u7b97\u6cd5: Status A.M.T,E,I…
\n\u4e3b\u8981\u662f\u88dc\u8272\u6ffe\u93e1\u7684\u4e0d\u540c(wide band, narrow band…)
\n\u6bd4\u8f03\u65b0\u7684\uff0c\u5982\u679c\u662f\u7279\u5225\u8272\uff0c\u9084\u6709\u4e00\u7a2e Spot Filter\u7684 \u7b97\u6cd5
\n\u57fa\u65bcSpot filter \u7684\u6982\u5ff5\uff0c\u6211\u518d\u884d\u751f\u51fa\u6ce2\u8c37\u6ffe\u93e1\u7684\u7b97\u6cd5\u00a0 SCvfD (Spot Color valley filter Density)<\/p>\n

\u6ce2\u8c37\u6ffe\u93e1\u793a\u610f: C ink, \u88dc\u8272 R filter\uff0c \u6ce2\u8c37\u6ffe\u93e1 S filter
\n\u4ee5\u4e00\u9752\u58a8(Cyan)\u6a23\u672c\u70ba\u4f8b\uff0c R filter \u6fc3\u5ea6\u70ba 1.39, S filter \u6fc3\u5ea6\u70ba 2.29\uff0c\u6709\u66f4\u9ad8\u7684\u8fa8\u8b58\u7387\u3002\"sFilter\"<\/a><\/p>\n

 <\/p>\n

 <\/p>\n

TV \u5247\u6709\u6fc3\u5ea6TV \u53ca colorimetric TV\uff0c
\n\u7279\u5225\u8272TV\u5247\u662f\u6709\u4e00\u7a2e SCTV \u7b97\u6cd5:
\n\u6211\u81ea\u884c\u518d\u884d\u751f\u51fa\u57fa\u65bc\u6ce2\u8c37\u6ffe\u93e1\u7684\u6fc3\u5ea6\u518d\u8a08\u7b97\u51fa\u4f86\u7684 density TV\uff0c\u81ea\u7a31 SCvfDTV(Spot Color Valley Filter Density TV)\u3002<\/p>\n

\u6240\u4ee5\u5728 \u6fc3\u5ea6 \u53ca TV \u6709\u597d\u591a\u7a2e\u7b97\u6cd5\uff0c \u6211\u7684\u89c0\u9ede\u662f\uff1a\u4e0d\u8ad6\u54ea\u4e00\u7a2e\u65b9\u6cd5\uff0c\u53ea\u8981\u7dad\u6301\u4f4f\u4e00\u7a2e\u65b9\u6cd5\uff0c\u5c31\u5177\u5099\u7ba1\u7406\u8207\u63a7\u5236\u7684 \u610f\u7fa9\u3002
\n\u6211\u81ea\u5df1\u7684\u5de5\u5177\u5728\u6fc3\u5ea6\u4e0a\u7dad\u6301 Status T\uff0c\u7279\u5225\u8272\u6fc3\u5ea6\u5247\u7528\u81ea\u5df1\u7684\u65b9\u6cd5(\u6ce2\u5cf0\u88dc\u511f\u6ffe\u93e1)\u3002
\n\u81f3\u65bcTV\u7684\u7b97\u6cd5\uff0c\u6211\u9084\u6c92\u7d71\u4e00\u4e0b\u4f86\uff1b\u76ee\u524d\u5370\u5237\u54c1TV\u63a1\u6fc3\u5ea6\u7b97\u6cd5\uff0c\u5370\u7248TV\u5247\u63a1\u81ea\u884c\u958b \u767c\u7684\u6ce2\u8c37\u6ffe\u93e1\u6fc3\u5ea6TV(SCvfDTV) \uff1b\u7279\u5225\u8272TV\u5247\u5728SCTV \u53ca SCvfDTV \u9593\u6416\u64fa\uff1b\u6211\u81ea\u8a8d\u70baSCvfDTV \u53ef\u4ee5\u5728\u4efb\u4f55\u984f\u8272(CMYK and SPOT and Plate Solid)\u90fd\u80fd\u6709\u66f4\u597d\u7684\u5206\u8fa8\u7387\uff0c\u4f46\u53ef\u4ee5\u60f3\u898b\u6703\u8207\u76ee\u524d\u5de5\u4f5c\u7fd2\u6163\u4e0d\u7b26\uff0c\u4e0d\u904e\u5728\u81ea\u884c\u63a7\u5236\u7684\u5c01\u9589\u5f0f\u74b0\u5883\uff0c\u6211\u8a8d\u70baSCvfDTV\u80fd\u63d0\u4f9b\u66f4\u597d\u7684\u5206\u8fa8\u7387\uff0c\u56e0\u800c\u5e36\u51fa\u66f4\u597d\u7684\u7ba1\u7406\u8207\u63a7\u5236\u7684\u6548\u7387\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u6fc3\u5ea6\u57fa\u672c\u516c\u5f0f\u5982\u4e0b Density = log10 1\/Reflectance factor \u7576\u727d\u6d89\u5230\u8272\u5f69\u6fc3\u5ea6\u6642 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[112,109,9],"class_list":["post-2411","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-schmo","tag-sctv","tag-tvi"],"_links":{"self":[{"href":"https:\/\/fredkuo.idv.tw\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/2411"}],"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=2411"}],"version-history":[{"count":2,"href":"https:\/\/fredkuo.idv.tw\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/2411\/revisions"}],"predecessor-version":[{"id":2550,"href":"https:\/\/fredkuo.idv.tw\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/2411\/revisions\/2550"}],"wp:attachment":[{"href":"https:\/\/fredkuo.idv.tw\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2411"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fredkuo.idv.tw\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2411"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fredkuo.idv.tw\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2411"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}