{"id":3762,"date":"2025-06-02T07:21:28","date_gmt":"2025-06-01T23:21:28","guid":{"rendered":"https:\/\/fredkuo.idv.tw\/wordpress\/?p=3762"},"modified":"2025-06-02T07:57:11","modified_gmt":"2025-06-01T23:57:11","slug":"g7-operation-on-offset-press-without-curve","status":"publish","type":"post","link":"https:\/\/fredkuo.idv.tw\/wordpress\/?p=3762","title":{"rendered":"G7 operation on offset press without Curve"},"content":{"rendered":"

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G7 operation on offset press without Curve<\/p>\n

\u505a\u4e00\u4e0b\u5ee0\u88cfG7\u80fd\u529b\u7dad\u8b77<\/b>\uff0c\u9019\u6b21\u6bd4\u8f03\u4e0d\u4e00\u6a23\u7684\u662f\u4e0d\u900f\u904eCurve \u8edf\u9ad4\uff0c\u4e0d\u900f\u904eCTP\u6539\u7248\uff0c\u5f9e1\uff1a1\u7684\u7dda\u6027\u7248\u76f4\u63a5\u7d93\u5f9e\u6a5f\u5668\u4e0a\u8abf\u6574\u4f86\u9054\u6210G7 \u898f\u7bc4\u3002<\/p>\n

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Fig. \u4e0d\u900f\u904eCurve \u8edf\u9ad4\uff0c\u4e0d\u900f\u904eCTP\u6539\u7248\uff0c\u5f9e1\uff1a1\u7684\u7dda\u6027\u7248\u76f4\u63a5\u7d93\u5f9e\u6a5f\u5668\u4e0a\u8abf\u6574\u4f86\u9054\u6210G7\u898f\u7bc4\u3002<\/p>\n

\u9019\u6b21\u6e2c\u5169\u90e8\u5370\u5237\u6a5f\uff0c\u90fd\u662f\u75281\uff1a1\u7dda\u6027\u7248\u958b\u59cb\u3002<\/p>\n

A\u6a5f\u6a23\u672c#1<\/p>\n

https:\/\/fredkuo.idv.tw\/FograCT1\/pbnCT25dbapi.php?f123=target.txt&f321=upload\/ct25_RB0519_2025-5-19_100928.txt&target=CRPC6&rule=c9&more=1<\/a><\/p>\n

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Fig. A#1\u6a23\u5f35\uff0c\u6ce8\u610f\u5230K\u5ea7TV\u5230\u4f4d\u4f46\u6fc3\u5ea6\u56b4\u91cd\u4e0d\u8db3\u3002<\/p>\n

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Fig. A#1 \u6a23\u5f35TV\u53ca\u7070\u5e73\u8861\u3002M\u5ea7TV\u4e0d\u8db3\u3002<\/p>\n

A\u6a5f#1\u865f\u6a23\u672c\u62c9\u51fa\u4f86\u5c31\u4e0d\u6703\u592a\u5dee\uff0cC9 \u5206\u6578\u70ba80\u5206\uff0c\u770b\u4e00\u4e0b\u6eff\u7248\u5206\u6578\uff0c\u9664\u4e86K\u58a8\u4e0d\u5920\u91cd\uff0cCMY\u90fd\u6709\u9054\u6a19\uff0cRGB \u4e5f\u540c\u6642\u9054\u6a19\uff0c\u58a8\u7684\u54c1\u8cea\u6c92\u6709\u554f\u984c\u3002\u628a\u95dc\u6ce8\u9ede\u62c9\u5230\u4e2d\u9593\u8abf\u90e8\u5206\uff0c\u6709\u5169\u500b\u6bd4\u8f03\u660e\u986f\u7684\u554f\u984c\uff1aM\u58a8\u6eff\u7248\u9054\u6a19\uff0c\u4f46\u4e2d\u9593\u8abf\u4e0d\u8db3\uff0c\u4e5f\u5c0e\u81f4\u7070\u5e73\u8861\u4e0d\u5920\u597d\u3002K\u58a850%\u9054\u6a19\uff0c\u4f46\u6eff\u7248\u592a\u4f4e\uff0c\u6211\u5011\u53ef\u4ee5\u5047\u5b9a\u8aaa\uff0cK\u5ea7\u7684\u7db2\u9ede\u64f4\u5f35\u592a\u5927\uff0c\u6240\u4ee5\u9818\u6a5f\u5728\u8abf\u597d\u4e2d\u9593\u8abf\u7684\u6642\u5019\uff0c\u6eff\u7248\u4e0b\u58a8\u4e0d\u8db3\uff1b\u7576\u6eff\u7248\u4e0b\u58a8\u5230\u4f4d\u6642\uff0cK\u7684\u4e2d\u9593\u8abf\u53c8\u6703\u904e\u591a\u3002<\/p>\n

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Fig. \u5370\u6a5f\u58d3\u529b\u8a2d\u5b9a\u3002<\/p>\n

\u8655\u7406\u554f\u984c\uff0c\u4e00\u4ef6\u4e00\u4ef6\u4f86\u3002\u5148\u8655\u7406K\u5ea7\uff0c\u9818\u6a5f\u5c07K\u5ea7\u58d3\u529b\u9000\u4e860.03(30\u689d)\u7136\u5f8c\u589e\u52a0\u653e\u58a8\uff0c\u62c9\u51fa\u7b2c\u4e8c\u500b\u6a23\u5f35\uff1a<\/p>\n

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Fig. A#2\u6a23\u5f35\uff0c\u9000\u58d3\u52a0\u58a8\uff0c\u8a66\u8457\u6539\u5584K\u653e\u58a8\u8207TV\u7684\u95dc\u4fc2\uff0c\u6548\u679c\u4e0d\u5927\u3002<\/p>\n

\u7b2c\u4e8c\u5f35\u6a23\u5f35K\u7684\u6fc3\u5ea6\u5f9e1.33\u589e\u52a0\u52301.4\uff0c\u8272\u5dee\u5f9e6.9\u9032\u6b65\u52305.7\uff0c\u6fc3\u5ea6\u4e00\u6a23\u4e0d\u5920\uff0c\u8272\u5dee\u4e5f\u4e0d\u5230\u4f4d\u3002\u7b2c\u4e8c\u6a23\u5f35\u64cd\u4f5cM\u58a8\u4e5f\u52a0\u4e86\u4e00\u4e9b\uff0c\u5f9e1.26\u52a0\u52301.37\uff0c\u8a66\u8457\u8b93M\u5ea7\u64f4\u5f35\u518d\u591a\u4e00\u9ede\uff0c\u91cf\u6e2c\u7d50\u679cM\u5ea7\u64f4\u5f35\u662f\u591a\u4e86\u4e00\u4e9b\u4f46\u4f9d\u7136\u4e0d\u5920\uff0c\u4e0d\u904e\u7070\u5e73\u8861\u662f\u6709\u6539\u5584\u3002<\/p>\n

\u7e7c\u7e8c\u8655\u7406K\u5ea7\u554f\u984c\uff0c\u7b2c\u4e09\u6b21\u6a23\u5f35\u7684\u8655\u7406\uff0c\u9818\u6a5f\u7684\u65b9\u6cd5\u5012\u662f\u6211\u4ee5\u524d\u6c92\u78b0\u5230\u904e\u7684\uff0c\u4ed6\u628aK\u58a8\u62ff\u53bb\u964d\u6eab\uff0c\u7167\u9818\u6a5f\u8aaa\u6cd5\uff0c\u8aaa\u662f\u9019\u7d44K\u58a8\u6eab\u5ea6\u592a\u9ad8\uff0c\u6cb9\u58a8\u8b8a\u8edf\uff0c\u5c0e\u81f3\u4e2d\u9593\u8abf\u64f4\u5f35\u592a\u5927\uff0c\u5c07\u6cb9\u58a8\u964d\u6eab\uff0c\u6cb9\u58a8\u8b8a\u786c\uff0c\u7db2\u9ede\u64f4\u5f35\u5c31\u6703\u6e1b\u5c11\u3002\u4f9d\u6b64\u63a8\u6e2c\uff0c\u6211\u5011\u62c9\u51fa\u7b2c\u4e09\u6b21\u6a23\u5f35\uff1a<\/p>\n

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Fig. A#3 \u6a23\u5f35\uff0cK\u58a8\u964d\u6eab\uff0c\u9054\u6210\u6eff\u7248\u8207\u4e2d\u9593\u8abf\u540c\u6642\u5230\u4f4d\u3002<\/p>\n

\u770b\u4f86\u5c07\u6cb9\u58a8\u964d\u6eab\u7684\u7b56\u7565\u594f\u6548\uff0cK\u58a8\u6fc3\u5ea6\u653e\u52301.8\uff0c\u8272\u5dee2.6\uff0c50%\u7684\u7db2\u64f4\u624d\u591a\u4e862.3\uff0c\u4e5f\u5c31\u662f\u6eff\u7248\u8ddf\u4e2d\u9593\u8abf\u53ef\u4ee5\u540c\u6642\u5230\u4f4d\uff0c\u9019\u5c31\u662f\u6211\u5011\u8981\u7684\u6548\u679c\u3002<\/p>\n

\u8655\u7406\u7b2c\u4e09\u6b21\u6a23\u5f35\u6642\u4e5f\u540c\u6642\u52a0M\u58a8\u6fc3\u5ea6\uff0c\u8a66\u8457\u8b93M\u5ea7\u7db2\u64f4\u518d\u591a\u4e00\u4e9b\u51fa\u4f86\uff0c\u6fc3\u5ea6\u589e\u52a0\u5230\u4e861.44\uff0c\u8272\u5dee1.3\uff0c\u4f46\u7db2\u64f4\u9084\u662f\u6c92\u8d77\u4f86\uff0c\u5012\u662f\u628aB\u5e36\u8dd1\u4e86\u3002<\/p>\n

\u63a5\u8457\u64cd\u4f5c\u7b2c\u56db\u500b\u6a23\u5f35\uff0c\u8a66\u8457\u628aB\u62c9\u56de\u4f86\uff0c\u5f9eA#3 \u516d\u89d2\u5716\u5224\u65b7\uff0c\u52a0C\u6e1bM\uff0cB\u6703\u62c9\u8fd1\u5230\u6a19\u6e96\u4f4d\u7f6e\uff0c\u6240\u4ee5\u9818\u6a5f\u5728\u9019\u6b21\u64cd\u4f5cC\u58a8\u52a0\u4e864%\uff0cM\u5c31\u6e1b\u4e86\u4e00\u9ede\u3002<\/p>\n


Fig.A#3 \u6a23\u5f35\u516d\u89d2\u5716\uff0c\u9810\u8a08\u964dM\uff0cB\u6703\u56de\u5230\u66f4\u597d\u7684\u4f4d\u7f6e\u3002<\/p>\n

\u65bc\u662fC\u75311.28\u52a0\u52301.34\uff0cM\u75311.44\u6e1b\u52301.39\uff0cA#4\u6a23\u5f35B\u8272\u5dee\u56de\u52300.8\uff0cG7\u6eff\u7248\u90e8\u5206\u7b97\u662f\u5b8c\u6210\u3002<\/p>\n

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Fig. A#4 \u6a23\u5f35\uff0cCMYKRGB \u6eff\u7248\u5230\u4f4d\u3002<\/p>\n

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Fig. A#4TV\uff0cM\u5ea7\u4ecd\u7136\u4e0d\u8db3\u3002<\/p>\n

\u6aa2\u8996A#4\u6a23\u5f35\uff0c\u6eff\u7248\u5230\u4f4d\uff0c\u7070\u4e5f\u9084\u53ef\u4ee5\uff0c\u5c31M\u7684TV\u5dee\u4e86\u4e00\u9ede\u4e9b\uff0c\u7167\u8aaa\u9019\u5f35\u5dee\u4e0d\u591a\u5c31\u53ef\u4ee5\u9032G7\u4e86\uff0c\u6211\u5011\u9084\u662f\u8a66\u8457\u770b\u6709\u4ec0\u9ebc\u65b9\u6cd5\u8b93M\u7684TV\u4e5f\u80fd\u5230\u4f4d\uff0c\u65bc\u662f\u7e7c\u7e8c\u505aA#5\u6a23\u5f35\u3002<\/p>\n

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Fig. A#5 \u6a23\u5f35\uff0cM\u5ea7TV \u6539\u5584\u6709\u9650\u3002<\/p>\n

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Fig.A#5 TVI\uff0cM\u5ea7TV \u6539\u5584\u6709\u9650\u3002<\/p>\n

\u9019\u500bA#5\u6a23\u5f35\u7684\u76ee\u7684\u662f\u5e0c\u671b\u589e\u52a0M\u7684TV\uff0c\u9818\u6a5f\u7528\u7684\u65b9\u6cd5\u662f\u52a0\u58a8\u3001\u52a0\u58d3\uff0cM\u58a8\u6fc3\u5ea6\u5f9e1.39\u52a0\u52301.45\uff0c\u58d3\u529b\u52a0\u4e865\u689d\uff0cTV\u5f9e-5.4 \u589e\u52a0\u5230-5.2\uff0c\u5e7e\u4e4e\u6c92\u4ec0\u9ebc\u6548\u679c\uff0c\u9818\u6a5f\u89ba\u5f97\u53ef\u4ee5\u518d\u8a66\u5225\u7684\u65b9\u6cd5\u3002<\/p>\n

\u7b2c\u516d\u500b\u6a23\u5f35\u7684\u64cd\u4f5c\uff0c\u9818\u6a5f\u5c0dM\u58a8\u52a0\u4e86\u51e1\u5229\u6cb9\uff0c\u8b93\u6cb9\u58a8\u8b8a\u8edf\uff0c\u597d\u8b93\u7db2\u9ede\u64f4\u5927\u53ef\u4ee5\u8b8a\u5927(\u8ddf\u8b93K\u58a8\u8b8a\u786c\u505a\u76f8\u53cd\u7684\u64cd\u4f5c)\uff0cM\u7684TV50%\u5f9e-5.2 \u589e\u52a0\u5230-3.7\uff0c\u6eff\u7248\u8207\u4e2d\u9593\u8abf\u80fd\u540c\u6642\u9032\u5165\u5408\u683c\u7bc4\u570d\uff0c\u7b97\u662f\u6709\u6548\u7684\u64cd\u4f5c\u3002\u4f46\u540c\u6642\uff0cB\u53c8\u8dd1\u8d70\u4e86\uff0c\u90a3\u5c31\u518d\u8655\u7406\u5427\uff01<\/p>\n

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Fig. A#6 \u6a23\u5f35\uff0c\u6539\u5584M\u5ea7TV\u3002B\u9084\u5dee\u4e860.3\u8272\u5dee\u3002<\/p>\n


Fig. A#6 TVI\uff0c\u6539\u5584M\u5ea7TV\uff0c\u9084\u662f\u5c11\u4e86\u4e00\u9ede\u3002<\/p>\n

\u518d\u4f5c\u6700\u5f8c\u4e00\u6ce2\u8abf\u6574\uff0c\u52a0C\u6e1bM\uff0c\u8b93B\u56de\u5230\u4f4d\u7f6e\uff0c\u540c\u6642\u4e5f\u8b93\u7070\u56de\u5230\u4f4d\u7f6e\u3002A#7 \u6578\u64da\u5448\u73fe\u5982\u4e0b\uff1a<\/p>\n

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Fig A#7 \u6a23\u5f35\uff0c\u6eff\u7248\u5230\u4f4d\uff0c\u7070\u968e\u5230\u4f4d\uff0cC9 \u5206\u6578\u7232 87.5\u3002<\/p>\n

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Fig. A#7 \u6a23\u5f35\uff0c M\u7684TVI\u5c11\u4e86\u4e00\u9ede\uff0c\u4e0d\u904e\u7070\u5e73\u8861\u6709\u904e\uff0c\u4ee5G7\u8a55\u5206\uff0c\u53ea\u770b\u7070\u5e73\u8861\uff0c\u4e0d\u770bTVI\u3002<\/p>\n

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Fig. \u5f9eA#7 \u53d6 P2P\u7b2c\u56db\u884c\u53ca\u7b2c\u4e94\u865f\u8cc7\u6599\uff0cK \u53ca CMY \u7684\u6700\u5927\u3001\u5e73\u5747\u4eae\u5ea6\u5dee\u2206L*\u3001\u53caCMY \u7684\u6700\u5927\u3001\u5e73\u5747\u7070\u5ea6\u5dee\u2206Ch\u5747\u7b26\u5408Grayscale\u898f\u7bc4\u3002<\/p>\n

\u5f9eA#7 \u6a23\u5f35\u91cf\u53d6P2P\u7b2c4\u30015\u884c\uff0c\u53d6\u5f97K \u53ca CMY \u7684\u6700\u5927\u3001\u5e73\u5747\u4eae\u5ea6\u5dee\u2206L*\u3001\u53caCMY \u7684\u6700\u5927\u3001\u5e73\u5747\u7070\u5ea6\u5dee\u2206Ch\u5747\u7b26\u5408Grayscale\u898f\u7bc4\u3002A\u6a5f\u7684\u6a5f\u4e0a\u8abf\u6574\u7b97\u662f\u5b8c\u6210\u3002<\/p>\n

\u6709\u4e86A\u6a5f\u7684\u7d93\u9a57\uff0cB\u6a5f\u8655\u7406\u8d77\u4f86\u5c31\u5feb\u4e86\u4e00\u4e9b\u3002<\/p>\n

B\u6a5f\u7b2c\u4e00\u500b\u6578\u64da\u4e0b\u4f86\uff1a<\/p>\n

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Fig. B#1 \u6a23\u5f35\uff0c\u8207A\u6a5f\u4e00\u6a23\u7684\u554f\u984c\uff0cK\u58a8\u592a\u8edf\u4ee5\u81f4K\u5ea7TV\u5230\u4f4d\u4f46\u6eff\u7248\u4e0d\u8db3\u3002<\/p>\n

\u5f9eB\u6a5f\u7684\u7b2c\u4e00\u500b\u6578\u64da\u4e0b\u4f86\u6211\u5011\u5c31\u6ce8\u610f\u5230\u5e7e\u500b\u554f\u984c\uff1a\u7b2c\u4e00\u500b\u662f\u540c\u6a23\u7684M\u6cb9\u58a8\uff0c\u5728A\u6a5f\u7684Beer\u2019s Law \u9810\u6e2c\u7684\u6700\u4f73\u8272\u5dee\u53ef\u4ee5\u52301\u4ee5\u4e0b\uff0c\u4f46\u5728 B \u6a5f\u7684\u9810\u6e2c\u53ea\u80fd\u52302\uff0c\u6211\u5011\u8981\u61f7\u7591B\u6a5f\u7684M\u58a8\u5ea7\u6c92\u6709\u6d17\u4e7e\u6de8\uff0c\u6709\u53ef\u80fd\u88ab\u6c61\u67d3\uff1b\u8981\u4e0d\u7136\u540c\u6a23\u7684\u7d19\u5f35\u3001\u540c\u6a23\u7684\u6cb9\u58a8\uff0c\u9810\u6e2c\u6700\u4f73\u8272\u5dee\u61c9\u8a72\u6703\u975e\u5e38\u7684\u63a5\u8fd1\u3002<\/p>\n

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Fig. A#1 Beer\u2019s Law \u9810\u6e2c\u7684\u6700\u4f73\u8272\u5dee\u53ef\u4ee5\u52301\u4ee5\u4e0b<\/p>\n

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Fig. B#1 Beer\u2019s Law \u9810\u6e2c\u7684\u6700\u4f73\u8272\u5dee\u57282\u4ee5\u4e0a\u3002\u61f7\u7591B\u6a5f\u7684M\u58a8\u5ea7\u6c92\u6709\u6d17\u4e7e\u6de8\uff0c\u6709\u53ef\u80fd\u88ab\u6c61\u67d3\uff1b\u540c\u6a23\u7684\u7d19\u5f35\u3001\u540c\u6a23\u7684\u6cb9\u58a8\uff0c\u9810\u6e2c\u6700\u4f73\u8272\u5dee\u61c9\u8a72\u6703\u975e\u5e38\u7684\u63a5\u8fd1\u3002<\/p>\n

\u7b2c\u4e8c\u500b\u662f\u9019\u5169\u500b\u6a5f\u5668\u7684TVI\u6709\u4e9b\u4e0d\u540c\u7684\u8868\u73fe\uff0c\u6bd4\u8f03\u4e4b\u4e0b\uff0cB\u6a5f\u7684M\u5ea7\u6f32\u5f97\u5f88\u597d\uff0cA\u6a5f\u7684M\u5ea7\u6f32\u4e0d\u4e0a\u4f86\uff1b\u73fe\u5728\u60f3\u4f86\uff0c\u628aA\u6a5fM\u5ea7\u7684\u6a61\u76ae\u5e03\u63db\u6389\uff0c\u4e5f\u8a31\u5c31\u53ef\u4ee5\u5f88\u5feb\u9054\u5230\u76ee\u6a19\u503c\uff0c\u4e0d\u5fc5\u53bb\u505a\u52a0\u58d3\u3001\u52a0\u51e1\u5229\u6cb9\u4e4b\u985e\u7684\u5de5\u4f5c\u3002\u518d\u4f86\u662fB\u6a5fC\u5ea7\u7684TVI\u66f2\u7dda\u4e0d\u6b63\u5e38\uff0c\u6211\u5011\u5f88\u5feb\u7684\u6c7a\u5b9a\u628aC\u5ea7\u7684\u6a61\u76ae\u5e03\u63db\u6389\u3002<\/p>\n

<\/p>\n

Fig. A \u6a5fTVI(\u5de6) vs. B \u6a5fTVI\uff0c\u5728\u540c\u6a23\u7684\u653e\u58a8\u6fc3\u5ea6\u4e0b\uff0c\u986f\u5f97A\u6a5fM\u8272\u5ea7\u7570\u5e38\u53caB\u6a5fC\u8272\u5ea7\u7570\u5e38\u3002<\/p>\n

\u63db\u5b8cC\u5ea7\u6a61\u76ae\u5e03\u5f8c\u53d6\u51faB\u6a5f\u7b2c\u4e8c\u500b\u6a23\u5f35\uff0c\u5f9eTVI\u66f2\u7dda\u770b\u51fa\u4f86\u76f8\u5c0d\u6b63\u5e38\uff0c\u662f\u4e00\u500b\u6709\u6548\u7684\u64cd\u4f5c\u3002<\/p>\n

<\/p>\n

Fig. B#2 TVI \u5f9eC\u5ea7TVI\u66f2\u7dda\u770b\u51fa\u4f86\u76f8\u5c0d\u6b63\u5e38\uff0c\u63db\u6a61\u76ae\u5e03\u662f\u4e00\u500b\u6709\u6548\u7684\u64cd\u4f5c\u3002<\/p>\n

\u63a5\u4e0b\u4f86\u8655\u7406\u5176\u4ed6\u90e8\u5206\u7684\u554f\u984c\uff1aK\u58a8\u5ea7\u8207A\u6a5f\u540c\u6a23\u72c0\u6cc1\uff0c\u58a8\u592a\u8edf\uff0c\u4ee5\u81f4TV\u5230\u4f4d\u6642SID\u6fc3\u5ea6\u4e0d\u8db3\uff0c\u6216\u662fSID \u5230\u4f4d\u6642TV\u6703\u592a\u5927\u3002\u6253\u7b97\u8ddfA\u6a5f\u4e00\u6a23\u5c0dK\u58a8\u964d\u6eab\u8655\u7406\u3002\u53e6\u5916\u662fB\u9084\u672a\u5230\u4f4d\uff0c\u6839\u64da\u516d\u89d2\u5716\uff0c\u52a0M\u53ef\u4ee5\u5c07B\u5e36\u5230\u66f4\u597d\u7684\u4f4d\u7f6e\u3002<\/p>\n

<\/p>\n

Fig.\u8655\u7406B#2 \u554f\u984c\uff0cK\u5ea7TV50\u5230\u4f4d\uff0c\u4f46SID\u4e0d\u8db3\uff0c\u6253\u7b97\u964d\u6eabK \u58a8\u4f86\u61c9\u5c0d\u3002<\/p>\n

<\/p>\n

Fig. \u8655\u7406B#2\u554f\u984c\uff0cB\u672a\u80fd\u5230\u4f4d\uff0c\u9810\u8a08\u52a0M\u8655\u7406\u3002<\/p>\n

\u8655\u7406K\u58a8\u5ea7\u53caM\u58a8\u5ea7\u5f8c\u53d6\u8655B\u6a5f\u7b2c\u4e09\u500b\u6a23\u5f35\uff0c\u6eff\u7248\u90e8\u52067\u500b\u4e3b\u8272\u90fd\u6709\u5230\u4f4d\uff0c\u518d\u4e0b\u4f86\u5c31\u662f\u628a\u7070\u8272\u8655\u7406\u5230\u4f4d\u3002<\/p>\n

<\/p>\n

Fig B#3 \u6eff\u7248\u90e8\u52067\u500b\u4e3b\u8272\u90fd\u6709\u5230\u4f4d\uff0c\u518d\u4e0b\u4f86\u5c31\u662f\u628a\u7070\u8272\u8655\u7406\u5230\u4f4d<\/p>\n

\u4f9d\u64daCT25\u5728B#3\u7684\u5de5\u5177\u6307\u4ee4\uff0c\u7121\u6cd5\u5728\u6a5f\u4e0a\u540c\u6642\u505a25%,50%,75%\u7684\u8abf\u6574\uff0c\u53ea\u80fd\u4f9d\u64da50%\u90e8\u5206\u5c0dY\u5ea7\u505a\u6e1b\u58a8\u7684\u64cd\u4f5c\uff0c\u518d\u4f86\u770b\u770b\u6700\u5f8c\u7684\u7d50\u679c\u3002<\/p>\n

<\/p>\n

Fig. CT25\u5728B#3\u7684\u7070\u5e73\u8861\u64cd\u505a\u6307\u4ee4\uff0c\u6a5f\u4e0a\u7121\u6cd5\u540c\u6642\u505a25%,50%,75%\u7684\u8abf\u6574\uff0c\u53ea\u80fd\u4f9d\u64da50%\u90e8\u5206\u5c0dY\u5ea7\u505a\u6e1b\u58a8\u7684\u64cd\u4f5c\u3002<\/p>\n

Y\u5ea7\u6e1b\u58a8\u5f8c\uff0c\u53d6\u51faB#4\u6a23\u5f35\uff0c\u4ee5CT125\u6aa2\u6e2c\uff0cGrayscale \u90e8\u5206\u80fd\u5920\u5230\u4f4d\u3002<\/p>\n

<\/p>\n

Fig. B#4 Grayscale \u5230\u4f4d\u3002<\/p>\n

\u6709\u9ede\u53ef\u60dc\u7684\u662fC\u8272\u5dee\u5dee\u4e860.35\uff0cG\u8272\u5dee\u5dee\u4e860.09\uff0c\u7121\u6cd5\u4e00\u8209\u53d6\u5f97G7 Targeted\uff0c\u4e0d\u904e\u7531Beer\u2019s Law \u9810\u6e2c\uff0c\u53ea\u8981\u964d\u4e00\u9edeC\uff0cC\u8ddfB\u5c31\u61c9\u8a72\u53ef\u540c\u6642\u5230\u4f4d\u3002<\/p>\n

<\/p>\n

Fig. \u7531Beer\u2019s Law \u9810\u6e2c\uff0c\u53ea\u8981\u964d\u4e00\u9edeC\uff0cC\u8ddfB\u5c31\u61c9\u8a72\u53ef\u540c\u6642\u5230\u4f4d\u3002<\/p>\n

\u5148\u505a\u5230\u9019\u72c0\u614b\uff0c\u53ef\u4ee5\u78ba\u5b9a\u7684\u662f\u57281\uff1a1\u7684\u7dda\u6027\u7248\u4e0a\u9762\uff0c\u6a5f\u5668\u5c31\u53ef\u4ee5\u8abf\u6574\u5230G7\u7070\u968e\u3001\u7248\u8abf\u53ca\u4e3b\u8272\u540c\u6642\u5230\u4f4d \u3002\u6487\u958b\u8003\u8a66\u6642\u9700\u8981\u66f4\u56b4\u8b39\u7684\u6578\u64da\uff0c\u628a\u6a5f\u5668\u7dad\u6301\u5728\u9019\u500b\u72c0\u614b\u5df2\u7d93\u8db3\u5920\u7d66\u9818\u6a5f\u6700\u597d\u7684\u64cd\u4f5c\u7a7a\u9593\u4f86\u61c9\u4ed8\u5404\u7a2e\u5370\u4ef6\uff0c\u66f4\u5bb9\u6613\u8ddf\u4e0a\u6240\u8b02\u7684\u6a19\u6e96\u8272\u6a23\u3002<\/p>\n

\u5f9eCT125\u5de5\u5177\u7684TVI R2\u6307\u6578(Tone Value index\u3001\u7db2\u9ede\u64f4\u5f35\u6307\u6578\uff0c\u767c\u5c55\u4e2d…)\uff0c\u9664\u4e86Y\u5ea7\u70ba0.944\uff0c\u5176\u4ed6\u8272\u5ea7\u90fd\u57280.96\u4ee5\u4e0a\uff0c\u9019\u4e5f\u53ef\u4ee5\u986f\u793a\u51fa\u6a5f\u5668\u7684\u72c0\u6cc1\u90fd\u9084\u4e0d\u932f\u3002\u628a\u9019\u6a23\u5b50\u72c0\u614b\u7684\u6a5f\u5668\u4ea4\u5230\u9818\u6a5f\u624b\u4e0a\uff0c\u5f8c\u9762\u61c9\u8a72\u53ef\u4ee5\u6e1b\u5c11\u5f88\u591a\u8207\u5370\u524d\u3001\u696d\u52d9\u3001\u5ba2\u6236\u4e4b\u9593\u7684\u7d1b\u722d\u3002<\/p>\n

<\/p>\n

Fig. CT125 \u5de5\u5177\u7684TVI R2\u6307\u6578(Tone Value index\u3001\u7db2\u9ede\u64f4\u5f35\u6307\u6578)\uff0c\u9664\u4e86Y\u5ea7\u70ba0.944\uff0c\u5176\u4ed6\u8272\u5ea7\u90fd\u57280.96\u4ee5\u4e0a\uff0c\u9019\u4e5f\u53ef\u4ee5\u986f\u793a\u51fa\u6a5f\u5668\u7684\u72c0\u6cc1\u90fd\u9084\u4e0d\u932f\u3002<\/p>\n

\u4ee5\u4e0a\u9019\u4e9b\u7a0b\u5e8f\u7b97\u662f\u7acb\u4e0b\u4e00\u500b\u7bc4\u4f8b\uff1a\u6211\u5011\u53ef\u4ee5\u57281\uff1a1\u7dda\u6027\u7248\u7684\u72c0\u6cc1\u4e0b\u628a\u6a5f\u5668\u8abf\u6574\u5230\u7b26\u5408G7\u7684\u898f\u683c\u3002<\/p>\n

\u6839\u64da\u9019\u4e00\u6b21\u5728\u6a5f\u5668\u4e0a\u4f5c\u696d\u7684\u7d93\u9a57\uff0c\u6211\u671f\u5f85\u7cfb\u7d71\u4eba\u54e1\u5728\u5ee0\u88e1\u7684\u5de5\u4f5c\u898f\u7bc4\u70ba\uff1a<\/p>\n

1.\u4ee5\u5f8c\u5370\u524d\u53ea\u51fa1\uff1a1\u7dda\u6027\u7248 \uff0c\u8981\u8abf\u6a5f\u3001\u8abf\u7248\u3001\u59d4\u5916\u2026\u2026\u90fd\u4e0d\u6210\u554f\u984c\uff1b\u5370\u524d\u4e0d\u518d\u6709\u51fa\u932f\u7248\u3001\u8abf\u932f\u7248\u7684\u8ca0\u64d4\u3002<\/p>\n

2.\u4e0d\u518d\u6709\u56e0\u70ba\u5370\u5237\u6a5f\u8ddf\u4e0d\u4e0a\u984f\u8272\u5c31\u8981\u6c42\u5370\u524d\u4fee\u8272\u9019\u4ef6\u5de5\u4f5c\uff0c\u56e0\u70ba\u6a5f\u4e0a\u5c31\u61c9\u8a72\u5728\u7dda\u6027\u7248\u4e0a\u9054\u6210\u898f\u7bc4\u7684\u8272\u5f69\u3002<\/p>\n

3.\u57f9\u990a\u9818\u6a5f\u8981\u6709\u6578\u64da\u7684\u8a8d\u77e5\uff0c\u9019\u6578\u64da\u4e0d\u662f\u53ea\u6709\u6fc3\u5ea6\uff0c\u9084\u8981\u6709\u8272\u5ea6\u3001\u7248\u8abf(TV)\u53ca\u7070\u5e73\u8861\u3002<\/p>\n

4.\u5ee0\u88cf\u8981\u53bb\u601d\u8003\u4e00\u4e0b\uff0c\u8981\u5982\u4f55\u63d0\u4f9b\u9806\u624b\u3001\u6709\u6548\u7387\u7684\u6578\u64da(\u91cf\u6e2c)\u8a2d\u5099\uff0c\u8b93\u9818\u6a5f\u9858\u610f\u53bb\u4f7f\u7528\u3001\u53bb\u5be6\u8e10\u6578\u64da\u3002<\/p>\n

\u6574\u7406\u4e00\u4e0b\u9019\u6b21\u5728\u6a5f\u4e0a\u7684\u8abf\u6574\u4f5c\u696d\u7528\u4e86\u54ea\u4e9b\u64cd\u4f5c\u4f86\u5f71\u97ff\u6eff\u7248\u8207\u4e2d\u9593\u8abf\u7684\u4f4d\u7f6e\uff1a<\/p>\n

1.\u63db\u6a61\u76ae\u5e03\uff0c\u8b93\u7db2\u9ede\u64f4\u5f35\u66f2\u7dda\u8b8a\u5f97\u6b63\u5e38\u3002<\/p>\n

2.\u6cb9\u58a8\u964d\u6eab\uff0c\u8b93\u6cb9\u58a8\u8b8a\u786c\uff0c\u53ef\u4ee5\u964d\u4f4e\u4e2d\u9593\u8abf\u7684\u7db2\u9ede\u64f4\u5f35\u3002<\/p>\n

3.\u589e\u52a0\u653e\u58a8\u53ef\u4ee5\u589e\u52a0\u4e2d\u9593\u8abf\u7db2\u9ede\u64f4\u5f35\u3002<\/p>\n

4.\u52a0\u51e1\u5229\u6cb9\u8b93\u6cb9\u58a8\u8b8a\u8edf\u53ef\u4ee5\u52a0\u5927\u7db2\u9ede\u64f4\u5f35\u3002<\/p>\n

5.\u589e\u52a0\u58d3\u529b\uff0c\u53ef\u4ee5\u589e\u52a0\u4e2d\u9593\u8abf\u7db2\u9ede\u64f4\u5f35\u3002<\/p>\n

\u5f8c\u9762\u518d\u4f86\u8ffd\u52a0\u4e00\u9ede\uff0c\u7528Beer\u2019s Law \u4f86\u9810\u6e2c\u58a8\u5ea7\u984f\u8272\u662f\u5426\u53d7\u5230\u6c59\u67d3\u3002\u4ee5\u540c\u6a23\u7684\u6cb9\u58a8\u7d19\u5f35\uff0c\u5728\u4e0d\u540c\u6a5f\u5ea7\u61c9\u8a72\u8981\u9810\u6e2c\u51fa\u975e\u5e38\u76f8\u8fd1\u7684\u6578\u503c\uff0c\u5982\u679c\u6578\u503c\u76f8\u5dee\u592a\u5927\u5c31\u8868\u793a\u58a8\u5ea7\u6709\u53d7\u5230\u6c61\u67d3\u3002<\/b><\/p>\n

\u7d9c\u5408\u4e0a\u8ff0\u65b9\u6cd5\uff0c\u53ea\u8981\u6cb9\u58a8\u53ca\u7d19\u5f35\u7684\u54c1\u8cea\u5920\u597d\uff0c\u8981\u57281\uff1a1\u7684\u7dda\u6027\u7248\u4e0a\u76f4\u63a5\u5f9e\u6a5f\u4e0a\u64cd\u4f5c\u9054\u6210G7\u6216\u662fFogra\u898f\u683c\u61c9\u8a72\u90fd\u662f\u6c92\u554f\u984c\u7684\u3002<\/p>\n

\u9019\u4e00\u6b21\u4f5c\u696d\u4e2d\uff0c\u6cb9\u58a8\u6eab\u5ea6\u8b8a\u5316\u6240\u5e36\u4f86\u7684\u5f71\u97ff\u8d85\u51fa\u6211\u7684\u9810\u671f\uff0c\u9019\u500b\u6703\u662f\u5ee0\u88cf\u4f5c\u696d\u7684\u554f\u984c\uff1b\u4e0d\u904e\u5ee0\u88e1\u9818\u6a5f\u9084\u662f\u6709\u500b\u8a8d\u77e5\uff0c\u5fc5\u8981\u6642\u653e\u6389\u6eff\u7248\u4f4d\u7f6e\uff0c\u9084\u662f\u4ee5\u4e2d\u9593\u8abf\u70ba\u4e3b\u3002\u76ee\u524d\u80fd\u505a\u7684\u5c31\u662f\u66f4\u6ce8\u91cd\u74b0\u5883\u7684\u6eab\u6fd5\u5ea6\u63a7\u5236\u3002<\/p>\n

\u5728\u65b0\u7684\u5177\u5099\u58a8\u8f25\u63a7\u6eab\u7684\u6a5f\u578b\u9019\u500b\u554f\u984c\u5c31\u6bd4\u8f03\u5bb9\u6613\u8655\u7406\u3002<\/p>\n

\u91cd\u8981\u7684\u662f\uff0c\u9818\u6a5f\u5982\u679c\u80fd\u5920\u53ca\u6642\u77e5\u9053\u6a5f\u5668\u72c0\u6cc1\u7684\u6578\u64da\uff0c\u81ea\u6709\u5176\u61c9\u5c0d\u7684\u624b\u6cd5\u3002\u5982\u679c\u6c92\u80fd\u6709\u6578\u64da\u8a8d\u77e5\uff0c\u901a\u5e38\u7684\u60c5\u6cc1\u662f\u8981\u6c42\u5370\u524d\u4fee\u7248\u6216\u662f\u4fee\u5716\uff0c\u9019\u7a2e\u614b\u5ea6\u4e00\u65b9\u9762\u9020\u6210\u5370\u524d\u7684\u8ca0\u64d4\uff0c\u53e6\u4e00\u65b9\u9762\u6a5f\u5668\u5c31\u8d8a\u4f86\u8d8a\u504f\u96e2\u5065\u5eb7\u72c0\u614b\uff0c\u9019\u500b\u4ee5\u5f8c\u8655\u7406\u8d77\u4f86\u624d\u662f\u66f4\u5927\u7684\u554f\u984c\u3002<\/p>\n

\u9019\u6b21\u7528\u5169\u500b\u5c0f\u6642\u6574\u7406\u5169\u90e8\u6a5f\u5668\uff0c\u7b2c\u4e00\u90e8\u9084\u5728\u6478\u7d22\u65b9\u6cd5\uff0c\u7528\u4e86\u6bd4\u8f03\u591a\u7684\u6642\u9593\uff0c\u7b2c\u4e8c\u90e8\u6a5f\u5668\u534a\u500b\u5c0f\u6642\u5c31\u6574\u7406\u4e0b\u4f86\u4e86\u3002<\/p>\n

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