{"id":39,"date":"2015-11-28T16:36:27","date_gmt":"2015-11-28T13:06:27","guid":{"rendered":"http:\/\/imageyar.ir\/?p=39"},"modified":"2017-06-15T16:00:55","modified_gmt":"2017-06-15T12:30:55","slug":"%d8%a2%d8%b4%da%a9%d8%a7%d8%b1%d8%b3%d8%a7%d8%b2%db%8c-%d9%84%d8%a8%d9%87%d8%8c%d9%84%d8%a8%d9%87-%db%8c%d8%a7%d8%a8%db%8c-%d8%af%d8%b1-%d9%85%d8%aa%d9%84%d8%a8","status":"publish","type":"post","link":"https:\/\/imageyar.ir\/%d8%a2%d8%b4%da%a9%d8%a7%d8%b1%d8%b3%d8%a7%d8%b2%db%8c-%d9%84%d8%a8%d9%87%d8%8c%d9%84%d8%a8%d9%87-%db%8c%d8%a7%d8%a8%db%8c-%d8%af%d8%b1-%d9%85%d8%aa%d9%84%d8%a8\/","title":{"rendered":"\u0622\u0634\u06a9\u0627\u0631\u0633\u0627\u0632\u06cc \u0644\u0628\u0647\u060c\u0644\u0628\u0647 \u06cc\u0627\u0628\u06cc \u062f\u0631 \u0645\u062a\u0644\u0628"},"content":{"rendered":"<h3>\u00a0\u0622\u0634\u06a9\u0627\u0631\u0633\u0627\u0632\u06cc \u0644\u0628\u0647\u060c\u0644\u0628\u0647 \u06cc\u0627\u0628\u06cc \u062f\u0631 \u0645\u062a\u0644\u0628<\/h3>\n<p><strong>\u0639\u0645\u0644\u06af\u0631\u0647\u0627\u06cc \u0622\u0634\u06a9\u0627\u0631\u0633\u0627\u0632\u06cc \u0644\u0628\u0647<\/strong><\/p>\n<ul>\n<li>\u0645\u0631\u062a\u0628\u0647 \u0646\u062e\u0633\u062a: \u0686\u0644\u06cc\u067e\u0627\u06cc \u0631\u0627\u0628\u0631\u0646\u0632\u060c \u067e\u0631\u0648\u06cc\u062a\u060c \u0633\u0648\u0628\u0644\u060c \u06a9\u0646\u06cc\u060c \u0627\u0633\u067e\u06cc\u0633\u06a9<\/li>\n<li>\u0645\u0631\u062a\u0628\u0647 \u062f\u0648\u0645: \u0644\u0627\u067e\u0644\u0627\u0633\u06cc\u060c \u0645\u0627\u0631- \u0647\u06cc\u0644\u062f\u0631\u062b<\/li>\n<\/ul>\n<p>\u0627\u06a9\u0646\u0648\u0646 \u0639\u0645\u0644\u06af\u0631 \u06a9\u0646\u06cc \u0648 \u067e\u0633 \u0627\u0632 \u0622\u0646 \u0645\u0627\u0631 \u2013 \u0647\u06cc\u0644\u062f\u0631\u062b \u0628\u06cc\u0634\u062a\u0631\u06cc\u0646 \u06a9\u0627\u0631\u0628\u0631\u062f \u0631\u0627 \u062f\u0627\u0631\u062f. \u0639\u0645\u0644\u06af\u0631\u0647\u0627\u06cc \u0632\u06cc\u0627\u062f\u06cc \u062a\u0627\u06a9\u0646\u0648\u0646 \u0645\u0646\u062a\u0634\u0631 \u0634\u062f\u0647 \u0627\u0646\u062f \u0627\u0645\u0627 \u0647\u06cc\u0686 \u06cc\u06a9 \u0628\u0631\u062a\u0631\u06cc \u0642\u0627\u0628\u0644 \u0645\u0644\u0627\u062d\u0636\u0647 \u0627\u06cc \u0628\u0631 \u0639\u0645\u0644\u06af\u0631 \u06a9\u0646\u06cc \u0646\u062f\u0627\u0634\u062a\u0647 \u0627\u0646\u062f. \u06a9\u0627\u0631 \u0628\u0631 \u0631\u0648\u0634 \u0647\u0627\u06cc \u0686\u0646\u062f \u0645\u0642\u06cc\u0627\u0633\u06cc \u0647\u0646\u0648\u0632 \u0628\u06cc\u0634\u062a\u0631 \u062f\u0631 \u0622\u0632\u0645\u0627\u06cc\u0634\u06af\u0627\u0647 \u0647\u0627\u0633\u062a.<\/p>\n<p><strong>\u0639\u0645\u0644\u06cc\u0627\u062a \u0644\u0628\u0647 \u0628\u0631\u062f\u0627\u0631\u06cc \u0628\u0631 \u0631\u0648\u06cc \u062a\u0635\u0627\u0648\u06cc\u0631<\/strong><\/p>\n<p>\u0622\u0634\u06a9\u0627\u0631\u0633\u0627\u0632\u06cc \u0644\u0628\u0647 (edge detection) \u0645\u0639\u0645\u0648\u0644\u0627 \u0628\u0631\u0627\u06cc \u062a\u0634\u062e\u06cc\u0635 \u0644\u0628\u0647 \u0647\u0627\u06cc \u06cc\u06a9 \u0634\u06cc \u0627\u0632 \u0628\u06cc\u0646 \u0686\u0646\u062f \u0634\u06cc \u062f\u06cc\u06af\u0631 \u0645\u0648\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0642\u0631\u0627\u0631 \u0645\u06cc \u06af\u06cc\u0631\u062f\u060c \u0628\u0631\u0627\u06cc \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0627\u0632 \u062a\u0627\u0628\u0639\u06cc \u0628\u0647 \u0646\u0627\u0645 edge \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f.<\/p>\n<p>\u062a\u063a\u06cc\u06cc\u0631\u0627\u062a \u0641\u06cc\u0632\u06cc\u06a9\u06cc \u0628\u0647 \u0635\u0648\u0631\u062a \u062a\u063a\u06cc\u06cc\u0631 \u0631\u0646\u06af \u0648 \u062a\u063a\u06cc\u06cc\u0631 \u0634\u062f\u062a \u0631\u0648\u0634\u0646\u0627\u06cc\u06cc \u0628\u0647 \u0635\u0648\u0631\u062a \u0644\u0628\u0647 \u062f\u0631 \u062a\u0635\u0648\u06cc\u0631 \u0646\u0645\u0627\u06cc\u0627\u0646 \u0645\u06cc \u0634\u0648\u0646\u062f. \u062f\u0631 \u0645\u062d\u06cc\u0637 \u0628\u0627 \u0645\u0642\u0627\u062f\u06cc\u0631 \u067e\u06cc\u0648\u0633\u062a\u0647\u060c \u0645\u0634\u062a\u0642\u060c \u062a\u063a\u06cc\u06cc\u0631\u0627\u062a \u0646\u0627\u06af\u0647\u0627\u0646\u06cc \u0648 \u0634\u062f\u062a \u0622\u0646 \u0631\u0627 \u0645\u0634\u062e\u0635 \u0645\u06cc \u06a9\u0646\u062f \u0648 \u062f\u0631 \u0645\u062d\u06cc\u0637 \u06af\u0633\u0633\u062a\u0647 \u0645\u062d\u0627\u0633\u0628\u0647 \u06cc \u062a\u063a\u06cc\u06cc\u0631\u0627\u062a \u0646\u0633\u0628\u062a \u0628\u0647 \u067e\u06cc\u06a9\u0633\u0644 \u0647\u0627\u06cc \u0645\u062c\u0627\u0648\u0631\u060c \u062a\u0642\u0631\u06cc\u0628\u06cc \u0627\u0632 \u0645\u0634\u062a\u0642 \u0631\u0627 \u0646\u0645\u0627\u06cc\u0627\u0646 \u0645\u06cc \u0633\u0627\u0632\u062f.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>\u062f\u0631 \u0639\u0645\u0644\u06cc\u0627\u062a \u0644\u0628\u0647 \u0628\u0631\u062f\u0627\u0631\u06cc \u0648\u0631\u0648\u062f\u06cc \u06cc\u06a9 \u062a\u0635\u0648\u06cc\u0631 \u0628\u0647 \u0641\u0631\u0645\u062a intensity \u0645\u06cc \u0628\u0627\u0634\u062f \u0648 \u062f\u0631 \u062e\u0631\u0648\u062c\u06cc \u062a\u0635\u0648\u06cc\u0631 binary \u062f\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f\u060c \u06a9\u0647 \u062f\u0631 \u062a\u0635\u0648\u06cc\u0631 \u062d\u0627\u0635\u0644 \u0645\u0631\u0632\u0647\u0627\u06cc \u0628\u06cc\u0631\u0648\u0646\u06cc \u062a\u0635\u0648\u06cc\u0631 \u0628\u0647 \u0635\u0648\u0631\u062a \u06f1 \u0648 \u0645\u0631\u0632\u0647\u0627\u06cc \u062f\u0627\u062e\u0644 \u0628\u0647 \u0635\u0648\u0631\u062a \u06f0 \u0646\u0634\u0627\u0646 \u062f\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f.<\/p>\n<p dir=\"ltr\">I=rgb2gray(i1);<\/p>\n<p dir=\"ltr\">Bw=edge(I,\u2019sobel\u2019)<\/p>\n<p>Edge \u0644\u0628\u0647 \u0647\u0627 \u0631\u0627 \u062f\u0631 \u062a\u0635\u0627\u0648\u06cc\u0631 intensity \u067e\u06cc\u062f\u0627 \u0645\u06cc \u06a9\u0646\u062f\u060c \u0627\u06cc\u0646 \u062a\u0627\u0628\u0639 \u06cc\u06a9 \u062a\u0635\u0648\u06cc\u0631 \u0628\u0627\u06cc\u0646\u0631\u06cc \u06cc\u0627 intensity \u0631\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0648\u0631\u0648\u062f\u06cc \u0645\u06cc \u06af\u06cc\u0631\u062f \u0648 \u06cc\u06a9 \u062a\u0635\u0648\u06cc\u0631 \u0628\u0627\u06cc\u0646\u0631\u06cc bw \u0628\u0647 \u0647\u0645\u0627\u0646 \u0627\u0646\u062f\u0627\u0632\u0647 \u06cc \u062a\u0635\u0648\u06cc\u0631 \u0627\u0648\u0644\u06cc \u0628\u0631 \u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f\u060c \u06a9\u0647 \u062c\u0627\u0647\u0627\u06cc\u06cc \u06a9\u0647 \u062a\u0627\u0628\u0639 \u0644\u0628\u0647 \u0647\u0627 \u0631\u0627 \u062f\u0631 \u062a\u0635\u0648\u06cc\u0631 \u067e\u06cc\u062f\u0627 \u0645\u06cc \u06a9\u0646\u062f\u060c \u062f\u0631 \u062a\u0635\u0648\u06cc\u0631 \u062e\u0631\u0648\u062c\u06cc \u06f1 \u0645\u06cc \u06a9\u0646\u062f \u0648 \u062c\u0627\u0647\u0627\u06cc\u06cc \u062f\u06cc\u06af\u0631 \u0631\u0627 \u06f0 \u0642\u0631\u0627\u0631 \u0645\u06cc \u062f\u0647\u062f.<\/p>\n<p><strong>\u0628\u0631\u062e\u06cc \u0627\u0632 \u0627\u0644\u06af\u0648\u0631\u06cc\u062a\u0645 \u0647\u0627\u06cc \u0644\u0628\u0647 \u0628\u0631\u062f\u0627\u0631\u06cc<\/strong><\/p>\n<p dir=\"rtl\">-\u06f1\u0627\u0644\u06af\u0648\u0631\u06cc\u062a\u0645 soble<\/p>\n<p>-\u06f2\u0627\u0644\u06af\u0648\u0631\u06cc\u062a\u0645 canny<\/p>\n<p>-\u06f3\u0627\u0644\u06af\u0648\u0631\u06cc\u062a\u0645 Roberts<\/p>\n<p>-\u06f4\u0627\u0644\u06af\u0648\u0631\u06cc\u062a\u0645 prewitt<\/p>\n<p>-\u06f5\u0627\u0644\u06af\u0648\u0631\u06cc\u062a\u0645zero-cross<\/p>\n<p><strong>\u0627\u0644\u06af\u0648\u0631\u06cc\u062a\u0645 <\/strong><strong>soble<\/strong><strong> : <\/strong>\u0627\u06cc\u0646 \u0645\u062a\u062f \u0644\u0628\u0647 \u0647\u0627 \u0631\u0627 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u062a\u062e\u0645\u06cc\u0646 \u0632\u062f\u0646 \u0645\u0634\u062a\u0642 \u067e\u06cc\u062f\u0627 \u0645\u06cc \u06a9\u0646\u062f\u060c \u06a9\u0647 \u0644\u0628\u0647 \u0647\u0627 \u0631\u0627 \u062f\u0631 \u0622\u0646 \u0646\u0642\u0627\u0637\u06cc \u0628\u0631 \u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f \u06a9\u0647 \u06af\u0631\u0627\u062f\u06cc\u0627\u0646 \u062a\u0635\u0648\u06cc\u0631 I \u060c max \u0627\u0633\u062a.<\/p>\n<p dir=\"ltr\">Bw= edge(I,\u2019sobel\u2019,thresh)<\/p>\n<p>\u0645\u0642\u062f\u0627\u0631 thresh \u06cc\u06a9 \u0645\u06cc\u0632\u0627\u0646 \u0622\u0633\u062a\u0627\u0646\u0647 \u0631\u0627 \u0628\u0631\u0627\u06cc \u0627\u06cc\u0646 \u0645\u062a\u062f \u0645\u0634\u062e\u0635 \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<p>\u0627\u06cc\u0646 \u062a\u0627\u0628\u0639 (edge) \u0631\u0627 \u0627\u0632 \u0647\u0645\u0647 \u0644\u0628\u0647 \u0647\u0627\u06cc\u06cc \u06a9\u0647 \u0642\u0648\u06cc \u062a\u0631 (\u0628\u06cc\u0634\u062a\u0631) \u0627\u0632 thresh \u0646\u06cc\u0633\u062a\u0646\u062f \u0686\u0634\u0645 \u067e\u0648\u0634\u06cc \u0645\u06cc \u06a9\u0646\u062f \u0648 \u0627\u06af\u0631 \u0645\u0627 \u0645\u0642\u062f\u0627\u0631 \u0627\u06cc\u0646 thresh \u0631\u0627 \u0645\u0634\u062e\u0635 \u0646\u06a9\u0646\u06cc\u0645 \u06cc\u0627 \u0627\u06af\u0631 thresh \u062e\u0627\u0644\u06cc \u0628\u0627\u0634\u062f {[]} \u060c \u062a\u0627\u0628\u0639 edge \u062e\u0648\u062f \u0628\u0647 \u0637\u0648\u0631 \u0627\u062a\u0648\u0645\u0627\u062a\u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631\u06cc \u0631\u0627 \u0627\u0646\u062a\u062e\u0627\u0628 \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<p dir=\"ltr\">Bw=edge(I,\u2019sobel\u2019,thresh,direction)<\/p>\n<p>\u062f\u0631 \u0627\u06cc\u0646 directin , syntax \u062c\u0647\u062a \u0631\u0627 \u0645\u0634\u062e\u0635 \u0645\u06cc \u06a9\u0646\u062f\u060c \u06cc\u0639\u0646\u06cc \u0631\u0634\u062a\u0647 \u0627\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0645\u0634\u062e\u0635 \u0645\u06cc \u06a9\u0646\u062f \u06a9\u0647 \u0627\u06cc\u0646 \u062a\u0627\u0628\u0639 \u0644\u0628\u0647 \u0647\u0627\u06cc \u0627\u0641\u0642\u06cc \u06cc\u0627 \u0639\u0645\u0648\u062f\u06cc \u0648 \u06cc\u0627 \u0647\u0631\u062f\u0648 \u0631\u0627 \u062c\u0633\u062a\u062c\u0648 \u06a9\u0646\u062f \u06a9\u0647 \u0628\u0647 \u0637\u0648\u0631 \u067e\u06cc\u0634 \u0641\u0631\u0636 \u0647\u0631\u062f\u0648 \u0631\u0627 \u062c\u0633\u062a\u062c\u0648 \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<p>\u2018horizontal\u2019 \u00a0\u0627\u0641\u0642\u06cc:<\/p>\n<p>\u2018vertical\u2019\u0639\u0645\u0648\u062f\u06cc:<\/p>\n<p dir=\"ltr\">Bw=edge(I,\u2019sobel\u2019,\u2026,options)<\/p>\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u062f\u0633\u062a\u0648\u0631 \u062a\u0627\u0628\u0639 \u06cc\u06a9 \u0631\u0634\u062a\u0647 \u06cc \u0627\u062e\u062a\u06cc\u0627\u0631\u06cc \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0648\u0631\u0648\u062f\u06cc \u0645\u06cc \u06af\u06cc\u0631\u062f \u06a9\u0647 \u0631\u0634\u062a\u0647 <strong>\u2018<\/strong>nothinning<strong>\u2019<\/strong> \u0633\u0631\u0639\u062a \u0639\u0645\u0644\u06cc\u0627\u062a \u0627\u0644\u06af\u0648\u0631\u06cc\u062a\u0645 \u0631\u0627 \u0628\u0627\u0644\u0627 \u0645\u06cc \u0628\u0631\u062f\u061b \u0628\u0647 \u0627\u06cc\u0646 \u0639\u0644\u062a \u06a9\u0647 \u062f\u0631 \u0645\u0631\u062d\u0644\u0647 \u06cc \u0646\u0627\u0632\u06a9 \u0634\u062f\u0646 \u0644\u0628\u0647 \u0647\u0627\u06cc \u0627\u0636\u0627\u0641\u06cc \u0645\u06cc \u06af\u0630\u0631\u062f (\u0645\u06cc \u067e\u0631\u062f) \u0648 \u0627\u06af\u0631 \u0631\u0634\u062a\u0647 \u06cc <strong>\u2018<\/strong>nothinning<strong>\u2019<\/strong> \u0631\u0627 \u0627\u0646\u062a\u062e\u0627\u0628 \u06a9\u0646\u06cc\u0645\u060c \u0627\u0644\u06af\u0648\u0631\u06cc\u062a\u0645 \u0644\u0628\u0647 \u0647\u0627\u06cc \u0646\u0627\u0632\u06a9 \u0634\u062f\u0647 \u0631\u0627 \u0646\u06cc\u0632 \u062f\u0631\u062e\u0648\u0627\u0633\u062a \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<p dir=\"ltr\">[Bw,thresh]=edge(I,\u2019sobel\u2019,\u2026)<\/p>\n<p>\u0627\u06cc\u0646 \u062f\u0633\u062a\u0648\u0631\u060c \u0645\u0642\u062f\u0627\u0631 threshold (\u0622\u0633\u062a\u0627\u0646\u0647) \u0631\u0627 \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f.<\/p>\n<p dir=\"ltr\">[Bw,thresh,gv,gh]=edge(\u2026.)<\/p>\n<p dir=\"ltr\">%Edge detection by mathworks.ir<\/p>\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u062f\u0633\u062a\u0648\u0631\u060c \u0644\u0628\u0647 \u0647\u0627\u06cc \u0627\u0641\u0642\u06cc \u0648 \u0639\u0645\u0648\u062f\u06cc (gv,gh) \u0631\u0627 \u0628\u0627 \u062a\u0648\u062c\u0647 \u0628\u0647 \u0639\u0645\u0644\u06af\u0631\u0647\u0627\u06cc \u06af\u0631\u0627\u062f\u06cc\u0627\u0646 \u0628\u0631 \u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f.<\/p>\n<p>\u062f\u0648 \u0645\u062a\u062f Roberts \u0648 prewitt \u0646\u06cc\u0632 \u0647\u0645 \u0628\u0647 \u0647\u0645\u06cc\u0646 \u06af\u0648\u0646\u0647 \u0647\u0633\u062a\u0646\u062f.<\/p>\n<p><strong>\u0627\u0644\u06af\u0648\u0631\u06cc\u062a\u0645 <\/strong><strong>canny<\/strong>: \u0627\u06cc\u0646 \u0645\u062a\u062f \u0644 \u0644\u0628\u0647 \u0647\u0627 \u0631\u0627 \u0628\u0627 \u062c\u0633\u062a\u062c\u0648\u06cc max \u0647\u0627\u06cc \u0645\u062d\u0644\u06cc (\u0645\u0648\u0636\u0639\u06cc) \u06af\u0631\u0627\u062f\u06cc\u0627\u0646 I \u060c \u06a9\u0647 \u06af\u0631\u0627\u062f\u06cc\u0627\u0646 \u0627\u0632 \u0631\u0648\u06cc \u0645\u0634\u062a\u0642 \u0641\u06cc\u0644\u062a\u0631 \u06af\u0627\u0648\u0633 (Gaussian) \u0645\u062d\u0627\u0633\u0628\u0647 \u0645\u06cc \u0634\u0648\u062f.<\/p>\n<p>\u0627\u06cc\u0646 \u0645\u062a\u062f \u0627\u0632 \u062f\u0648 \u0622\u0633\u062a\u0627\u0646\u0647 (thresholds) \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u062f \u062a\u0627 \u0644\u0628\u0647 \u0647\u0627\u06cc \u0636\u0639\u06cc\u0641 \u0648 \u0642\u0648\u06cc \u0631\u0627 \u067e\u06cc\u062f\u0627 \u06a9\u0646\u062f \u06a9\u0647 \u0641\u0642\u0637 \u0634\u0627\u0645\u0644 \u0644\u0628\u0647 \u0647\u0627\u06cc\u06cc \u0636\u0639\u06cc\u0641 \u062f\u0631 \u062e\u0631\u0648\u062c\u06cc \u0645\u06cc \u0628\u0627\u0634\u062f \u06a9\u0647 \u0622\u0646\u0647\u0627 \u0645\u062a\u0635\u0644 \u0628\u0647 \u0644\u0628\u0647 \u0647\u0627\u06cc \u0642\u0648\u06cc \u0628\u0627\u0634\u0646\u062f.<\/p>\n<p>\u0627\u06cc\u0646 \u0631\u0648\u0634 \u0628\u06cc\u0634\u062a\u0631 \u0628\u0647 \u06a9\u0634\u0641 \u0644\u0628\u0647 \u0647\u0627\u06cc \u0636\u0639\u06cc\u0641 \u0628\u0647 \u062f\u0631\u0633\u062a\u06cc \u0645\u06cc \u067e\u0631\u062f\u0627\u0632\u062f \u0648 \u06a9\u0645\u062a\u0631 \u0641\u0631\u06cc\u0628 \u0646\u0648\u06cc\u0632 \u0631\u0627 \u0645\u06cc \u062e\u0648\u0631\u062f \u0648 \u0627\u0632 \u0628\u0642\u06cc\u0647 \u0631\u0648\u0634 \u0647\u0627 \u0628\u0647\u062a\u0631 \u0627\u0633\u062a.<\/p>\n<p dir=\"ltr\">Bw= edge(I,\u2019canny\u2019,thresh)<\/p>\n<p>\u0627\u06cc\u0646 \u0645\u062a\u062f \u06cc\u06a9 \u0628\u062f\u0627\u0631 \u0622\u0633\u062a\u0627\u0646\u0647 (thresh) \u0631\u0627 \u0645\u0634\u062e\u0635 \u0645\u06cc \u06a9\u0646\u062f \u06a9\u0647 \u0627\u0644\u0645\u0646\u062a \u0627\u0648\u0644 \u0622\u0646 \u0622\u0633\u062a\u0627\u0646\u0647 \u067e\u0627\u06cc\u06cc\u0646 \u0648 \u0627\u0644\u0645\u0646\u062a \u062f\u0648\u0645 \u0622\u0646 \u0622\u0633\u062a\u0627\u0646\u0647 \u0628\u0627\u0644\u0627 \u0631\u0627 \u0645\u0634\u062e\u0635 \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<p>\u0627\u06af\u0631 \u06cc\u06a9 \u0639\u062f\u062f \u0631\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 (thresh) \u0627\u0646\u062a\u062e\u0627\u0628 \u06a9\u0646\u06cc\u0645 \u0627\u06cc\u0646 \u0639\u062f\u062f \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0622\u0633\u062a\u0627\u0646\u0647 \u0628\u0627\u0644\u0627 (high threshold<strong>)<\/strong> \u0648 \u0639\u062f\u062f (\u06f0\u066b\u06f4\u00d7thresh) \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0622\u0633\u062a\u0627\u0646\u0647 \u067e\u0627\u06cc\u06cc\u0646 \u062f\u0631 \u0646\u0638\u0631 \u06af\u0631\u0641\u062a\u0647 \u0645\u06cc \u0634\u0648\u062f \u0648 \u0627\u06af\u0631 \u0647\u06cc\u0686 \u0639\u062f\u062f\u06cc \u0631\u0627 \u0628\u0631\u0627\u06cc thresh \u0627\u0646\u062a\u062e\u0627\u0628 \u0646\u06a9\u0646\u06cc\u0645\u060c \u062a\u0627\u0628\u0639 edge \u062e\u0648\u062f \u0628\u0647 \u0637\u0648\u0631 \u0627\u062a\u0648\u0645\u0627\u062a\u06cc\u06a9 \u0647\u0631\u062f\u0648 \u0627\u0644\u0645\u0646\u062a \u0631\u0627 \u0627\u0646\u062a\u062e\u0627\u0628 \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<p dir=\"ltr\">[Bw,thresh]=edge(I,\u2019canny\u2019,\u2026)<\/p>\n<p>\u062f\u0633\u062a\u0648\u0631 \u0628\u0627\u0644\u0627 \u06cc\u06a9 \u0628\u0631\u062f\u0627\u0631 \u062f\u0648 \u0627\u0644\u0645\u0646\u062a\u06cc \u0631\u0627 \u0628\u0631\u0645\u06cc \u06af\u062f\u0627\u0646\u062f \u06a9\u0647 \u0645\u06cc\u0632\u0627\u0646 \u0622\u0633\u062a\u0627\u0646\u0647 \u0628\u0627\u0644\u0627 \u0648 \u067e\u0627\u06cc\u06cc\u0646 \u0631\u0627 \u0645\u0634\u062e\u0635 \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<p>\u0645\u0646\u0628\u0639:http:\/\/mathworks.ir<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u00a0\u0622\u0634\u06a9\u0627\u0631\u0633\u0627\u0632\u06cc \u0644\u0628\u0647\u060c\u0644\u0628\u0647 \u06cc\u0627\u0628\u06cc \u062f\u0631 \u0645\u062a\u0644\u0628 \u0639\u0645\u0644\u06af\u0631\u0647\u0627\u06cc \u0622\u0634\u06a9\u0627\u0631\u0633\u0627\u0632\u06cc \u0644\u0628\u0647 \u0645\u0631\u062a\u0628\u0647 \u0646\u062e\u0633\u062a: \u0686\u0644\u06cc\u067e\u0627\u06cc \u0631\u0627\u0628\u0631\u0646\u0632\u060c \u067e\u0631\u0648\u06cc\u062a\u060c \u0633\u0648\u0628\u0644\u060c \u06a9\u0646\u06cc\u060c \u0627\u0633\u067e\u06cc\u0633\u06a9 \u0645\u0631\u062a\u0628\u0647 \u062f\u0648\u0645: \u0644\u0627\u067e\u0644\u0627\u0633\u06cc\u060c \u0645\u0627\u0631- \u0647\u06cc\u0644\u062f\u0631\u062b \u0627\u06a9\u0646\u0648\u0646 \u0639\u0645\u0644\u06af\u0631 \u06a9\u0646\u06cc \u0648 \u067e\u0633 \u0627\u0632 \u0622\u0646 \u0645\u0627\u0631 \u2013 \u0647\u06cc\u0644\u062f\u0631\u062b \u0628\u06cc\u0634\u062a\u0631\u06cc\u0646 \u06a9\u0627\u0631\u0628\u0631\u062f \u0631\u0627 \u062f\u0627\u0631\u062f. \u0639\u0645\u0644\u06af\u0631\u0647\u0627\u06cc \u0632\u06cc\u0627\u062f\u06cc \u062a\u0627\u06a9\u0646\u0648\u0646 \u0645\u0646\u062a\u0634\u0631 \u0634\u062f\u0647 \u0627\u0646\u062f \u0627\u0645\u0627 \u0647\u06cc\u0686 \u06cc\u06a9 \u0628\u0631\u062a\u0631\u06cc \u0642\u0627\u0628\u0644 \u0645\u0644\u0627\u062d\u0636\u0647 \u0627\u06cc \u0628\u0631 \u0639\u0645\u0644\u06af\u0631 \u06a9\u0646\u06cc \u0646\u062f\u0627\u0634\u062a\u0647 \u0627\u0646\u062f. \u06a9\u0627\u0631 \u0628\u0631<\/p>\n","protected":false},"author":1,"featured_media":79,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[7,15],"tags":[16],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v15.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u0622\u0634\u06a9\u0627\u0631\u0633\u0627\u0632\u06cc \u0644\u0628\u0647\u060c\u0644\u0628\u0647 \u06cc\u0627\u0628\u06cc \u062f\u0631 \u0645\u062a\u0644\u0628 ~ \u0648\u0628 \u0633\u0627\u06cc\u062a \u062a\u062e\u0635\u0635\u06cc \u067e\u0631\u062f\u0627\u0632\u0634 \u062a\u0635\u0648\u06cc\u0631<\/title>\n<meta name=\"description\" content=\"\u0622\u0634\u06a9\u0627\u0631\u0633\u0627\u0632\u06cc \u0644\u0628\u0647\u060c\u0644\u0628\u0647 \u06cc\u0627\u0628\u06cc \u062f\u0631 \u0645\u062a\u0644\u0628- \u0627\u0645\u0648\u0632\u0634 \u0622\u0634\u06a9\u0627\u0631\u0633\u0627\u0632\u06cc \u0644\u0628\u0647 \u062f\u0631 \u0645\u062a\u0644\u0628\u060c \u0627\u0645\u0648\u0632\u0634 \u0644\u0628\u0647 \u06cc\u0627\u0628\u06cc \u062f\u0631 \u0645\u062a\u0644\u0628\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/imageyar.ir\/\u0622\u0634\u06a9\u0627\u0631\u0633\u0627\u0632\u06cc-\u0644\u0628\u0647\u060c\u0644\u0628\u0647-\u06cc\u0627\u0628\u06cc-\u062f\u0631-\u0645\u062a\u0644\u0628\/\" \/>\n<meta property=\"og:locale\" content=\"fa_IR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u0622\u0634\u06a9\u0627\u0631\u0633\u0627\u0632\u06cc \u0644\u0628\u0647\u060c\u0644\u0628\u0647 \u06cc\u0627\u0628\u06cc \u062f\u0631 \u0645\u062a\u0644\u0628 ~ \u0648\u0628 \u0633\u0627\u06cc\u062a \u062a\u062e\u0635\u0635\u06cc \u067e\u0631\u062f\u0627\u0632\u0634 \u062a\u0635\u0648\u06cc\u0631\" \/>\n<meta property=\"og:description\" content=\"\u0622\u0634\u06a9\u0627\u0631\u0633\u0627\u0632\u06cc \u0644\u0628\u0647\u060c\u0644\u0628\u0647 \u06cc\u0627\u0628\u06cc \u062f\u0631 \u0645\u062a\u0644\u0628- \u0627\u0645\u0648\u0632\u0634 \u0622\u0634\u06a9\u0627\u0631\u0633\u0627\u0632\u06cc \u0644\u0628\u0647 \u062f\u0631 \u0645\u062a\u0644\u0628\u060c \u0627\u0645\u0648\u0632\u0634 \u0644\u0628\u0647 \u06cc\u0627\u0628\u06cc \u062f\u0631 \u0645\u062a\u0644\u0628\" \/>\n<meta property=\"og:url\" content=\"https:\/\/imageyar.ir\/\u0622\u0634\u06a9\u0627\u0631\u0633\u0627\u0632\u06cc-\u0644\u0628\u0647\u060c\u0644\u0628\u0647-\u06cc\u0627\u0628\u06cc-\u062f\u0631-\u0645\u062a\u0644\u0628\/\" \/>\n<meta property=\"og:site_name\" content=\"\u0648\u0628 \u0633\u0627\u06cc\u062a \u062a\u062e\u0635\u0635\u06cc \u067e\u0631\u062f\u0627\u0632\u0634 \u062a\u0635\u0648\u06cc\u0631\" \/>\n<meta property=\"article:published_time\" content=\"2015-11-28T13:06:27+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2017-06-15T12:30:55+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/imageyar.ir\/wp-content\/uploads\/2017\/03\/Edge-Detection1.png\" \/>\n\t<meta property=\"og:image:width\" content=\"476\" \/>\n\t<meta property=\"og:image:height\" content=\"485\" \/>\n<meta name=\"twitter:card\" content=\"summary\" \/>\n<meta name=\"twitter:label1\" content=\"\u0632\u0645\u0627\u0646 \u062a\u0642\u0631\u06cc\u0628\u06cc \u0628\u0631\u0627\u06cc \u062e\u0648\u0627\u0646\u062f\u0646\">\n\t<meta name=\"twitter:data1\" content=\"0 \u062f\u0642\u06cc\u0642\u0647\">\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebSite\",\"@id\":\"https:\/\/imageyar.ir\/#website\",\"url\":\"https:\/\/imageyar.ir\/\",\"name\":\"\\u0648\\u0628 \\u0633\\u0627\\u06cc\\u062a \\u062a\\u062e\\u0635\\u0635\\u06cc \\u067e\\u0631\\u062f\\u0627\\u0632\\u0634 \\u062a\\u0635\\u0648\\u06cc\\u0631\",\"description\":\"\\u0622\\u0645\\u0648\\u0632\\u0634 \\u0648 \\u067e\\u06cc\\u0627\\u062f\\u0647 \\u0633\\u0627\\u0632\\u06cc \\u062a\\u06a9\\u0646\\u06cc\\u06a9 \\u0647\\u0627\\u06cc \\u067e\\u0631\\u062f\\u0627\\u0632\\u0634 \\u062a\\u0635\\u0648\\u06cc\\u0631- \\u0645\\u0634\\u0627\\u0648\\u0631\\u0647 \\u0648 \\u0645\\u0634\\u0627\\u0631\\u06a9\\u062a \\u062f\\u0631 \\u067e\\u0631\\u0648\\u0698\\u0647 \\u0647\\u0627\\u06cc \\u0622\\u0645\\u0648\\u0632\\u0634\\u06cc \\u0648 \\u062a\\u062c\\u0627\\u0631\\u06cc\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":\"https:\/\/imageyar.ir\/?s={search_term_string}\",\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"fa-IR\"},{\"@type\":\"ImageObject\",\"@id\":\"https:\/\/imageyar.ir\/%d8%a2%d8%b4%da%a9%d8%a7%d8%b1%d8%b3%d8%a7%d8%b2%db%8c-%d9%84%d8%a8%d9%87%d8%8c%d9%84%d8%a8%d9%87-%db%8c%d8%a7%d8%a8%db%8c-%d8%af%d8%b1-%d9%85%d8%aa%d9%84%d8%a8\/#primaryimage\",\"inLanguage\":\"fa-IR\",\"url\":\"https:\/\/imageyar.ir\/wp-content\/uploads\/2017\/03\/Edge-Detection1.png\",\"width\":476,\"height\":485,\"caption\":\"\\u0644\\u0628\\u0647 \\u06cc\\u0627\\u0628\\u06cc \\u062f\\u0631 \\u0645\\u062a\\u0644\\u0628\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/imageyar.ir\/%d8%a2%d8%b4%da%a9%d8%a7%d8%b1%d8%b3%d8%a7%d8%b2%db%8c-%d9%84%d8%a8%d9%87%d8%8c%d9%84%d8%a8%d9%87-%db%8c%d8%a7%d8%a8%db%8c-%d8%af%d8%b1-%d9%85%d8%aa%d9%84%d8%a8\/#webpage\",\"url\":\"https:\/\/imageyar.ir\/%d8%a2%d8%b4%da%a9%d8%a7%d8%b1%d8%b3%d8%a7%d8%b2%db%8c-%d9%84%d8%a8%d9%87%d8%8c%d9%84%d8%a8%d9%87-%db%8c%d8%a7%d8%a8%db%8c-%d8%af%d8%b1-%d9%85%d8%aa%d9%84%d8%a8\/\",\"name\":\"\\u0622\\u0634\\u06a9\\u0627\\u0631\\u0633\\u0627\\u0632\\u06cc \\u0644\\u0628\\u0647\\u060c\\u0644\\u0628\\u0647 \\u06cc\\u0627\\u0628\\u06cc \\u062f\\u0631 \\u0645\\u062a\\u0644\\u0628 ~ \\u0648\\u0628 \\u0633\\u0627\\u06cc\\u062a \\u062a\\u062e\\u0635\\u0635\\u06cc \\u067e\\u0631\\u062f\\u0627\\u0632\\u0634 \\u062a\\u0635\\u0648\\u06cc\\u0631\",\"isPartOf\":{\"@id\":\"https:\/\/imageyar.ir\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/imageyar.ir\/%d8%a2%d8%b4%da%a9%d8%a7%d8%b1%d8%b3%d8%a7%d8%b2%db%8c-%d9%84%d8%a8%d9%87%d8%8c%d9%84%d8%a8%d9%87-%db%8c%d8%a7%d8%a8%db%8c-%d8%af%d8%b1-%d9%85%d8%aa%d9%84%d8%a8\/#primaryimage\"},\"datePublished\":\"2015-11-28T13:06:27+00:00\",\"dateModified\":\"2017-06-15T12:30:55+00:00\",\"author\":{\"@id\":\"https:\/\/imageyar.ir\/#\/schema\/person\/a8197f96a537e5fcc69f079f43186f01\"},\"description\":\"\\u0622\\u0634\\u06a9\\u0627\\u0631\\u0633\\u0627\\u0632\\u06cc \\u0644\\u0628\\u0647\\u060c\\u0644\\u0628\\u0647 \\u06cc\\u0627\\u0628\\u06cc \\u062f\\u0631 \\u0645\\u062a\\u0644\\u0628- \\u0627\\u0645\\u0648\\u0632\\u0634 \\u0622\\u0634\\u06a9\\u0627\\u0631\\u0633\\u0627\\u0632\\u06cc \\u0644\\u0628\\u0647 \\u062f\\u0631 \\u0645\\u062a\\u0644\\u0628\\u060c \\u0627\\u0645\\u0648\\u0632\\u0634 \\u0644\\u0628\\u0647 \\u06cc\\u0627\\u0628\\u06cc \\u062f\\u0631 \\u0645\\u062a\\u0644\\u0628\",\"inLanguage\":\"fa-IR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/imageyar.ir\/%d8%a2%d8%b4%da%a9%d8%a7%d8%b1%d8%b3%d8%a7%d8%b2%db%8c-%d9%84%d8%a8%d9%87%d8%8c%d9%84%d8%a8%d9%87-%db%8c%d8%a7%d8%a8%db%8c-%d8%af%d8%b1-%d9%85%d8%aa%d9%84%d8%a8\/\"]}]},{\"@type\":\"Person\",\"@id\":\"https:\/\/imageyar.ir\/#\/schema\/person\/a8197f96a537e5fcc69f079f43186f01\",\"name\":\"admin\",\"image\":{\"@type\":\"ImageObject\",\"@id\":\"https:\/\/imageyar.ir\/#personlogo\",\"inLanguage\":\"fa-IR\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/843ea380b26fbc2dbddc37ff8441449b?s=96&d=mm&r=g\",\"caption\":\"admin\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","_links":{"self":[{"href":"https:\/\/imageyar.ir\/wp-json\/wp\/v2\/posts\/39"}],"collection":[{"href":"https:\/\/imageyar.ir\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/imageyar.ir\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/imageyar.ir\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/imageyar.ir\/wp-json\/wp\/v2\/comments?post=39"}],"version-history":[{"count":1,"href":"https:\/\/imageyar.ir\/wp-json\/wp\/v2\/posts\/39\/revisions"}],"predecessor-version":[{"id":40,"href":"https:\/\/imageyar.ir\/wp-json\/wp\/v2\/posts\/39\/revisions\/40"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/imageyar.ir\/wp-json\/wp\/v2\/media\/79"}],"wp:attachment":[{"href":"https:\/\/imageyar.ir\/wp-json\/wp\/v2\/media?parent=39"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/imageyar.ir\/wp-json\/wp\/v2\/categories?post=39"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/imageyar.ir\/wp-json\/wp\/v2\/tags?post=39"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}