{"id":221,"date":"2019-08-24T09:10:38","date_gmt":"2019-08-24T05:40:38","guid":{"rendered":"http:\/\/imageyar.ir\/?p=221"},"modified":"2019-08-24T09:42:19","modified_gmt":"2019-08-24T06:12:19","slug":"gray2ind","status":"publish","type":"post","link":"https:\/\/imageyar.ir\/gray2ind\/","title":{"rendered":"\u062a\u0628\u062f\u06cc\u0644 \u062a\u0635\u0648\u06cc\u0631 \u062e\u0627\u06a9\u0633\u062a\u0631\u06cc \u0628\u0647 Index | \u0622\u0645\u0648\u0632\u0634 \u062f\u0633\u062a\u0648\u0631 gray2ind"},"content":{"rendered":"
<\/a><\/p>\n \u062a\u0648\u0633\u0637 \u0627\u06cc\u0646 \u062f\u0633\u062a\u0648\u0631 \u062a\u0635\u0648\u06cc\u0631\u06cc Intensity \u0631\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646 \u0628\u0647 \u062a\u0635\u0648\u06cc\u0631 \u0627\u0632 \u0646\u0648\u0639 Index \u062a\u0628\u062f\u06cc\u0644 \u06a9\u0631\u062f.<\/p>\n \u0628\u0647 \u0645\u062b\u0627\u0644 \u0632\u06cc\u0631 \u062a\u0648\u062c\u0647 \u06a9\u0646\u06cc\u062f.<\/p>\n \u0639\u062f\u062f n \u0645\u06cc\u0632\u0627\u0646 \u0631\u0648\u0634\u0646\u0627\u06cc\u06cc \u062a\u0635\u0648\u06cc\u0631 \u0631\u0627 \u062a\u0646\u0638\u06cc\u0645 \u0645\u06cc \u06a9\u0646\u062f \u0648 \u0628\u06cc\u0646 \u06f1 \u062a\u0627 \u06f6\u06f5\u06f5\u06f3\u06f5 \u0642\u0627\u0628\u0644 \u062a\u063a\u06cc\u06cc\u0631 \u0627\u0633\u062a.<\/p>\n \u0645\u06cc \u062a\u0648\u0627\u0646 \u0627\u0632 \u0627\u06cc\u0646 \u0639\u062f\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0646\u06a9\u0646\u06cc\u062f \u0686\u0648\u0646 \u0628\u0647 \u0635\u0648\u0631\u062a \u067e\u06cc\u0634 \u0641\u0631\u0636 \u0645\u0642\u062f\u0627\u0631 \u06f6\u06f4 \u0631\u0627 \u062f\u0627\u0631\u062f.<\/p>\n <\/p>\n \u0647\u062f\u0641: \u0646\u062d\u0648\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647:<\/p>\n \u062a\u0635\u0648\u06cc\u0631 \u0633\u06cc\u0627\u0647 \u0648 \u0633\u0641\u06cc\u062f I \u0631\u0627 \u0628\u0647 \u062a\u0635\u0648\u06cc\u0631 \u0646\u0645\u0627\u06cc\u0647 X \u062a\u0628\u062f\u06cc\u0644 \u0645\u06cc \u06a9\u0646\u062f. n \u0633\u0627\u06cc\u0632 colormap \u0631\u0627 \u062f\u0631 (gray(n \u0645\u0634\u062e\u0635 \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n <\/p>\n \u06f2\u066b\u062a\u0635\u0648\u06cc\u0631 \u062f\u0648\u062f\u0648\u06cc\u06cc BW \u0631\u0627 \u0628\u0647 \u062a\u0635\u0648\u06cc\u0631 \u0646\u0645\u0627\u06cc\u0647 X \u062a\u0628\u062f\u06cc\u0644 \u0645\u06cc \u06a9\u0646\u062f. n \u0633\u0627\u06cc\u0632 colormap \u0631\u0627 \u062f\u0631 (gray(n \u0645\u0634\u062e\u0635 \u0645\u06cc \u06a9\u0646\u062f<\/p>\n <\/p>\n \u0645\u062b\u0627\u0644:<\/p>\n \u0627\u06cc\u0646 \u062f\u0633\u062a\u0648\u0631 \u062a\u0635\u0648\u06cc\u0631 \u0633\u0637\u062d \u062e\u0627\u06a9\u0633\u062a\u0631\u06cc \u0631\u0648 \u0628\u0647 \u06cc\u06a9 \u062a\u0635\u0648\u06cc\u0631 index \u0634\u062f\u0647 \u062a\u0628\u062f\u06cc\u0644 \u0645\u06cc\u06a9\u0646\u062f.<\/p>\n \u0647\u0645\u0648\u0646\u0637\u0648\u0631 \u06a9\u0647 \u062f\u0631 \u06a9\u062f\u0647\u0627\u06cc \u0632\u06cc\u0631 \u0647\u0645 \u0645\u06cc\u0628\u06cc\u0646\u06cc\u062f\u060c \u0627\u06cc\u0646 \u062f\u0633\u062a\u0648\u0631 \u062f\u0648 \u062a\u0627 \u0648\u0631\u0648\u062f\u06cc \u062f\u0627\u0631\u0647 \u06a9\u0647 \u06cc\u06a9\u06cc\u0634 \u062a\u0635\u0648\u06cc\u0631 \u0648\u0631\u0648\u062f\u06cc \u0647\u0633\u062a \u06a9\u0647 \u0628\u0627\u06cc\u062f \u06cc\u0627 \u062a\u0635\u0648\u06cc\u0631 \u0633\u0637\u062d \u062e\u0627\u06a9\u0633\u062a\u0631\u06cc \u0628\u0627\u0634\u0647 \u0648 \u06cc\u0627 \u0627\u06cc\u0646\u06a9\u0647 \u062a\u0635\u0648\u06cc\u0631 \u0633\u06cc\u0627\u0647 \u0633\u0641\u06cc\u062f \u0628\u0627\u0634\u0647.<\/p>\n \u0648\u0631\u0648\u062f\u06cc \u062f\u0648\u0645 \u0647\u0645 \u0627\u0646\u062f\u0627\u0632\u0647 colormap \u06cc\u0627 \u0647\u0645\u0648\u0646 \u062a\u0639\u062f\u0627\u062f \u0633\u0637\u0648\u062d \u0631\u0646\u06af\u06cc \u0631\u0648 \u0646\u0634\u0648\u0646 \u0645\u06cc\u062f\u0647.<\/p>\n \u0645\u062b\u0644\u0627 \u0628\u0628\u06cc\u0646\u06cc\u062f \u0648\u0642\u062a\u06cc \u06a9\u0647 \u0645\u0642\u062f\u0627\u0631 n \u0631\u0648 \u0627\u0632 \u0639\u062f\u062f \u06f4 \u0628\u0647 \u0639\u062f\u062f \u06f1\u06f6 \u062a\u063a\u06cc\u06cc\u0631 \u0645\u06cc\u062f\u06cc\u0645 \u0686\u0647 \u0627\u062a\u0641\u0627\u0642\u06cc \u0645\u06cc\u0641\u062a\u0647\u2026<\/p>\n \u062a\u0639\u062f\u0627\u062f \u0633\u0637\u0648\u062d \u062e\u0627\u06a9\u0633\u062a\u0631\u06cc \u0628\u06cc\u0634\u062a\u0631 \u0645\u06cc\u0634\u0647 \u0648 \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u062a\u0635\u0648\u06cc\u0631 index \u0634\u062f\u0647 \u0647\u0645 \u0628\u0647 \u062a\u0635\u0648\u06cc\u0631 \u0627\u0635\u0644\u06cc \u0646\u0632\u062f\u06cc\u06a9\u200c\u062a\u0631 \u0645\u06cc\u0634\u0647.<\/p>\n <\/p>\n \u062a\u0635\u0648\u06cc\u0631 \u0633\u0645\u062a \u0631\u0627\u0633\u062a: \u062a\u0635\u0648\u06cc\u0631\u06cc \u0628\u0627 \u0686\u0647\u0627\u0631 \u0627\u06cc\u0646\u062f\u06a9\u0633\u060c \u062a\u0635\u0648\u06cc\u0631 \u0633\u0645\u062a \u0686\u067e: \u062a\u0635\u0648\u06cc\u0631\u06cc \u0628\u0627 \u0634\u0627\u0646\u0632\u062f\u0647 \u0627\u06cc\u0646\u062f\u06a9\u0633.<\/p>\n>> X = imread ( \u2018G:\\ pic.jpg \u2018 ) ;\r\n>> X2 = rgb2gray ( X ) ;\r\n>> X3 = gray2ind ( X2 ) ;\r\n>> imshow ( X2 )\r\n\r\n<\/pre>\n
\n\u062a\u0635\u0648\u06cc\u0631 \u0633\u06cc\u0627\u0647 \u0648 \u0633\u0641\u06cc\u062f \u06cc\u0627 \u0628\u0627\u06cc\u0646\u0631\u06cc \u0631\u0627 \u0628\u0647 \u062a\u0635\u0648\u06cc\u0631 \u0646\u0645\u0627\u06cc\u0647 \u0634\u062f\u0647 (\u0627\u06cc\u0646\u062f\u06a9\u0633 \u0634\u062f\u0647) \u062a\u0628\u062f\u06cc\u0644 \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n[X,map]=gray2ind(I,n)<\/pre>\n
[X,map]=gray2ind(Bw,n)<\/pre>\n
\u0622\u0645\u0648\u0632\u0634 \u062f\u0633\u062a\u0648\u0631 gray2ind<\/h2>\n
I = imread('cameraman.tif');\r\nn = 4;\r\n[X, map] = gray2ind(I, n);\r\nimshow(X, map);\r\n<\/pre>\n