{"id":13872,"date":"2024-01-03T10:09:22","date_gmt":"2024-01-03T06:39:22","guid":{"rendered":"https:\/\/rasanegar.com\/blog\/opencv-thresholding-%d8%af%d8%b1-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86-%d8%a8%d8%a7-cv2-threshold\/"},"modified":"2024-01-03T10:09:22","modified_gmt":"2024-01-03T06:39:22","slug":"opencv-thresholding-%d8%af%d8%b1-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86-%d8%a8%d8%a7-cv2-threshold","status":"publish","type":"post","link":"https:\/\/rasanegaar.com\/blog\/opencv-thresholding-%d8%af%d8%b1-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86-%d8%a8%d8%a7-cv2-threshold\/","title":{"rendered":"OpenCV Thresholding \u062f\u0631 \u067e\u0627\u06cc\u062a\u0648\u0646 \u0628\u0627 cv2.threshold()"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\"><p class=\"ez-toc-title\" style=\"cursor:inherit\">\u0633\u0631\u0641\u0635\u0644\u0647\u0627\u06cc \u0645\u0637\u0644\u0628<\/p>\n<\/div><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/rasanegaar.com\/blog\/opencv-thresholding-%d8%af%d8%b1-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86-%d8%a8%d8%a7-cv2-threshold\/#%d9%85%d8%b9%d8%b1%d9%81%db%8c\" >\u0645\u0639\u0631\u0641\u06cc<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/rasanegaar.com\/blog\/opencv-thresholding-%d8%af%d8%b1-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86-%d8%a8%d8%a7-cv2-threshold\/#%d8%a2%d8%b3%d8%aa%d8%a7%d9%86%d9%87_%da%af%d8%b0%d8%a7%d8%b1%db%8c_%d8%b3%d8%a7%d8%af%d9%87_%d8%a8%d8%a7_opencv\" >\u0622\u0633\u062a\u0627\u0646\u0647 \u06af\u0630\u0627\u0631\u06cc \u0633\u0627\u062f\u0647 \u0628\u0627 OpenCV<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/rasanegaar.com\/blog\/opencv-thresholding-%d8%af%d8%b1-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86-%d8%a8%d8%a7-cv2-threshold\/#%d8%b1%d9%88%d8%b4_%d9%87%d8%a7%db%8c_%d8%a2%d8%b3%d8%aa%d8%a7%d9%86%d9%87_%da%af%d8%b0%d8%a7%d8%b1%db%8c\" >\u0631\u0648\u0634 \u0647\u0627\u06cc \u0622\u0633\u062a\u0627\u0646\u0647 \u06af\u0630\u0627\u0631\u06cc<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/rasanegaar.com\/blog\/opencv-thresholding-%d8%af%d8%b1-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86-%d8%a8%d8%a7-cv2-threshold\/#%d8%a2%d8%b3%d8%aa%d8%a7%d9%86%d9%87_%da%af%d8%b0%d8%a7%d8%b1%db%8c_%d8%ae%d9%88%d8%af%da%a9%d8%a7%d8%b1%d8%a8%d9%87%db%8c%d9%86%d9%87_%d8%b4%d8%af%d9%87_%d8%a8%d8%a7_opencv\" >\u0622\u0633\u062a\u0627\u0646\u0647 \u06af\u0630\u0627\u0631\u06cc \u062e\u0648\u062f\u06a9\u0627\u0631\/\u0628\u0647\u06cc\u0646\u0647 \u0634\u062f\u0647 \u0628\u0627 OpenCV<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/rasanegaar.com\/blog\/opencv-thresholding-%d8%af%d8%b1-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86-%d8%a8%d8%a7-cv2-threshold\/#%d9%85%d8%ad%d8%af%d9%88%d8%af%db%8c%d8%aa_%d9%87%d8%a7%db%8c_opencv_thresholding\" >\u0645\u062d\u062f\u0648\u062f\u06cc\u062a \u0647\u0627\u06cc OpenCV Thresholding<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/rasanegaar.com\/blog\/opencv-thresholding-%d8%af%d8%b1-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86-%d8%a8%d8%a7-cv2-threshold\/#%d9%86%d8%aa%db%8c%d8%ac%d9%87\" >\u0646\u062a\u06cc\u062c\u0647<\/a><\/li><\/ul><\/nav><\/div>\n<span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">\u0632\u0645\u0627\u0646 \u0644\u0627\u0632\u0645 \u0628\u0631\u0627\u06cc \u0645\u0637\u0627\u0644\u0639\u0647: <\/span> <span class=\"rt-time\"> 5<\/span> <span class=\"rt-label rt-postfix\">\u062f\u0642\u06cc\u0642\u0647<\/span><\/span><p> <br \/>\n<\/p>\n<div><noscript><\/noscript><\/p>\n<h2 id=\"introduction\"><span class=\"ez-toc-section\" id=\"%d9%85%d8%b9%d8%b1%d9%81%db%8c\"><\/span>\u0645\u0639\u0631\u0641\u06cc<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Thresholding \u06cc\u06a9 \u062a\u06a9\u0646\u06cc\u06a9 \u0633\u0627\u062f\u0647 \u0648 \u06a9\u0627\u0631\u0622\u0645\u062f \u0628\u0631\u0627\u06cc \u0627\u0646\u062c\u0627\u0645 \u062a\u0642\u0633\u06cc\u0645 \u0628\u0646\u062f\u06cc \u0627\u0648\u0644\u06cc\u0647 \u062f\u0631 \u06cc\u06a9 \u062a\u0635\u0648\u06cc\u0631 \u0648 \u0628\u0627\u06cc\u0646\u0631\u06cc\u0632\u0647 \u06a9\u0631\u062f\u0646 \u0622\u0646 (\u062a\u0628\u062f\u06cc\u0644 \u0622\u0646 \u0628\u0647 \u06cc\u06a9 \u062a\u0635\u0648\u06cc\u0631 \u0628\u0627\u06cc\u0646\u0631\u06cc) \u0627\u0633\u062a \u06a9\u0647 \u062f\u0631 \u0622\u0646 \u067e\u06cc\u06a9\u0633\u0644 \u0647\u0627 \u06cc\u0627 <code>0<\/code> \u06cc\u0627 <code>1<\/code> (\u06cc\u0627 <code>255<\/code> \u0627\u06af\u0631 \u0627\u0632 \u0627\u0639\u062f\u0627\u062f \u0635\u062d\u06cc\u062d \u0628\u0631\u0627\u06cc \u0646\u0634\u0627\u0646 \u062f\u0627\u062f\u0646 \u0622\u0646\u0647\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u062f).<\/p>\n<p>\u0628\u0647 \u0637\u0648\u0631 \u0645\u0639\u0645\u0648\u0644\u060c \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u0632 \u0622\u0633\u062a\u0627\u0646\u0647\u200c\u06af\u0630\u0627\u0631\u06cc \u0628\u0631\u0627\u06cc \u0627\u0646\u062c\u0627\u0645 \u0628\u062e\u0634\u200c\u0628\u0646\u062f\u06cc \u0633\u0627\u062f\u0647 \u067e\u0633\u200c\u0632\u0645\u06cc\u0646\u0647-\u067e\u06cc\u0634\u200c\u0632\u0645\u06cc\u0646\u0647 \u062f\u0631 \u06cc\u06a9 \u062a\u0635\u0648\u06cc\u0631 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f\u060c \u0648 \u0628\u0647 \u0627\u0646\u0648\u0627\u0639 \u0645\u062e\u062a\u0644\u0641 \u062e\u0644\u0627\u0635\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f. \u0631\u0648\u06cc \u06cc\u06a9 \u062a\u06a9\u0646\u06cc\u06a9 \u0633\u0627\u062f\u0647 \u0628\u0631\u0627\u06cc \u0647\u0631 \u067e\u06cc\u06a9\u0633\u0644:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">if<\/span> pixel_value &gt; threshold:\n    pixel_value = MAX\n<span class=\"hljs-keyword\">else<\/span>:\n    pixel_value = <span class=\"hljs-number\">0<\/span>\n<\/code><\/pre>\n<p>\u0627\u06cc\u0646 \u0636\u0631\u0648\u0631\u06cc \u0627\u0633\u062a process \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0634\u0646\u0627\u062e\u062a\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a <em>\u0622\u0633\u062a\u0627\u0646\u0647 \u0628\u0627\u06cc\u0646\u0631\u06cc<\/em>.  \u0627\u06a9\u0646\u0648\u0646 &#8211; \u0631\u0627\u0647 \u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641\u06cc \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f \u06a9\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u06cc\u0646 \u0627\u06cc\u062f\u0647 \u06a9\u0644\u06cc \u0631\u0627 \u062a\u063a\u06cc\u06cc\u0631 \u062f\u0647\u06cc\u062f\u060c \u0627\u0632 \u062c\u0645\u0644\u0647 \u0645\u0639\u06a9\u0648\u0633 \u06a9\u0631\u062f\u0646 \u0639\u0645\u0644\u06cc\u0627\u062a (\u062a\u063a\u06cc\u06cc\u0631 \u06a9\u0631\u062f\u0646 <code>&gt;<\/code> \u0628\u0627 a \u0627\u0645\u0636\u0627 \u06a9\u0646\u06cc\u062f <code>&lt;<\/code> \u0639\u0644\u0627\u0645\u062a)\u060c \u062a\u0646\u0638\u06cc\u0645 <code>pixel_value<\/code> \u0628\u0647 <code>threshold<\/code> \u0628\u0647 \u062c\u0627\u06cc \u062d\u062f\u0627\u06a9\u062b\u0631 \u0645\u0642\u062f\u0627\u0631\/0 (\u0645\u0639\u0631\u0648\u0641 \u0628\u0647 \u06a9\u0648\u062a\u0627\u0647 \u06a9\u0631\u062f\u0646)\u060c \u062d\u0641\u0638 \u0645\u0642\u062f\u0627\u0631 <code>pixel_value<\/code> \u062e\u0648\u062f\u0634 \u0627\u06af\u0631 \u0628\u0627\u0644\u0627\u062a\u0631 \u0627\u0632 <code>threshold<\/code> \u06cc\u0627 \u0627\u06af\u0631 \u0632\u06cc\u0631 \u0622\u0646 \u0628\u0627\u0634\u062f <code>threshold<\/code>.<\/p>\n<p>\u0647\u0645\u0647 \u0627\u06cc\u0646\u0647\u0627 \u0628\u0647 \u0631\u0627\u062d\u062a\u06cc \u062f\u0631 OpenCV \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u0634\u062f\u0647 \u0627\u0646\u062f:<\/p>\n<ul>\n<li><code>cv2.THRESH_BINARY<\/code><\/li>\n<li><code>cv2.THRESH_BINARY_INV<\/code><\/li>\n<li><code>cv2.THRESH_TRUNC<\/code><\/li>\n<li><code>cv2.THRESH_TOZERO<\/code><\/li>\n<li><code>cv2.THRESH_TOZERO_INV<\/code><\/li>\n<\/ul>\n<p>&#8230; \u0628\u0647 \u062a\u0631\u062a\u06cc\u0628.  \u0627\u06cc\u0646\u200c\u0647\u0627 \u0631\u0648\u0634\u200c\u0647\u0627\u06cc \u0646\u0633\u0628\u062a\u0627\u064b \u0633\u0627\u062f\u0647\u200c\u0627\u06cc \u0647\u0633\u062a\u0646\u062f\u060c \u0632\u06cc\u0631\u0627 \u0646\u0633\u0628\u062a\u0627\u064b \u0633\u0627\u062f\u0647 \u0647\u0633\u062a\u0646\u062f\u060c \u0632\u0645\u06cc\u0646\u0647 \u0631\u0627 \u062f\u0631 \u062a\u0635\u0627\u0648\u06cc\u0631 \u062f\u0631 \u0646\u0638\u0631 \u0646\u0645\u06cc\u200c\u06af\u06cc\u0631\u0646\u062f\u060c \u0627\u0637\u0644\u0627\u0639\u0627\u062a\u06cc \u062f\u0631 \u0645\u0648\u0631\u062f \u0627\u0634\u06a9\u0627\u0644 \u0631\u0627\u06cc\u062c \u062f\u0627\u0631\u0646\u062f \u0648 \u063a\u06cc\u0631\u0647. \u0628\u0631\u0627\u06cc \u0627\u06cc\u0646 \u0648\u06cc\u0698\u06af\u06cc\u200c\u0647\u0627 &#8211; \u0645\u0627 \u0628\u0627\u06cc\u062f \u0627\u0632 \u0646\u0638\u0631 \u0645\u062d\u0627\u0633\u0628\u0627\u062a\u06cc \u0628\u0633\u06cc\u0627\u0631 \u06af\u0631\u0627\u0646\u200c\u062a\u0631 \u0648 \u0642\u062f\u0631\u062a\u0645\u0646\u062f\u062a\u0631 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645 \u062a\u06a9\u0646\u06cc\u06a9.<\/p>\n<p>\u0627\u06a9\u0646\u0648\u0646\u060c \u062d\u062a\u06cc \u0628\u0627 \u0631\u0648\u0634 \u0647\u0627\u06cc &#8220;\u0633\u0627\u062f\u0647 \u0644\u0648\u062d\u0627\u0646\u0647&#8221; &#8211; <em>\u0645\u0642\u062f\u0627\u0631\u06cc<\/em> \u0628\u0631\u0627\u06cc \u06cc\u0627\u0641\u062a\u0646 \u0622\u0633\u062a\u0627\u0646\u0647 \u0647\u0627\u06cc \u062e\u0648\u0628\u060c \u0645\u06cc \u062a\u0648\u0627\u0646 \u0627\u06a9\u062a\u0634\u0627\u0641\u06cc \u0631\u0627 \u0628\u0647 \u06a9\u0627\u0631 \u0628\u0631\u062f\u060c \u06a9\u0647 \u0634\u0627\u0645\u0644 \u0631\u0648\u0634 Otsu \u0648 \u0631\u0648\u0634 \u0645\u062b\u0644\u062b \u0645\u06cc \u0634\u0648\u062f:<\/p>\n<ul>\n<li><code>cv2.THRESH_OTSU<\/code><\/li>\n<li><code>cv2.THRESH_TRIANGLE<\/code><\/li>\n<\/ul>\n<div class=\"alert alert-note\">\n<div class=\"flex\">\n<div class=\"flex-shrink-0 mr-3\"><\/div>\n<div class=\"w-full\">\n<p><strong>\u062a\u0648\u062c\u0647 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f:<\/strong> \u0622\u0633\u062a\u0627\u0646\u0647 OpenCV \u06cc\u06a9 \u062a\u06a9\u0646\u06cc\u06a9 \u0627\u0628\u062a\u062f\u0627\u06cc\u06cc \u0627\u0633\u062a \u0648 \u0628\u0647 \u062a\u063a\u06cc\u06cc\u0631\u0627\u062a \u0646\u0648\u0631 \u0648 \u06af\u0631\u0627\u062f\u06cc\u0627\u0646\u060c \u0646\u0627\u0647\u0645\u06af\u0648\u0646\u06cc \u0631\u0646\u06af \u0648 \u063a\u06cc\u0631\u0647 \u062d\u0633\u0627\u0633 \u0627\u0633\u062a. \u0628\u0647\u062a\u0631\u06cc\u0646 \u06a9\u0627\u0631\u0628\u0631\u062f \u0622\u0646 \u0627\u0633\u062a. \u0631\u0648\u06cc \u062a\u0635\u0627\u0648\u06cc\u0631 \u0646\u0633\u0628\u062a\u0627\u064b \u062a\u0645\u06cc\u0632\u060c \u067e\u0633 \u0627\u0632 \u0645\u062d\u0648 \u06a9\u0631\u062f\u0646 \u0622\u0646\u0647\u0627 \u0628\u0631\u0627\u06cc \u06a9\u0627\u0647\u0634 \u0646\u0648\u06cc\u0632\u060c \u0628\u062f\u0648\u0646 \u062a\u0641\u0627\u0648\u062a \u0631\u0646\u06af \u0632\u06cc\u0627\u062f \u062f\u0631 \u0627\u0634\u06cc\u0627\u06cc\u06cc \u06a9\u0647 \u0645\u06cc \u062e\u0648\u0627\u0647\u06cc\u062f \u0642\u0637\u0639\u0647 \u0628\u0646\u062f\u06cc \u06a9\u0646\u06cc\u062f.<\/p>\n<\/p><\/div><\/div><\/div>\n<p>\u0631\u0627\u0647 \u062f\u06cc\u06af\u0631 \u0628\u0631\u0627\u06cc \u063a\u0644\u0628\u0647 \u0628\u0631 \u0628\u0631\u062e\u06cc \u0627\u0632 \u0645\u0633\u0627\u0626\u0644 \u0645\u0631\u0628\u0648\u0637 \u0628\u0647 \u0622\u0633\u062a\u0627\u0646\u0647 \u0627\u0648\u0644\u06cc\u0647 \u0628\u0627 \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 \u0622\u0633\u062a\u0627\u0646\u0647\u060c \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 <em>\u0622\u0633\u062a\u0627\u0646\u0647 \u062a\u0637\u0628\u06cc\u0642\u06cc<\/em> \u06a9\u0647 \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 \u0622\u0633\u062a\u0627\u0646\u0647 \u0627\u0639\u0645\u0627\u0644 \u0645\u06cc \u06a9\u0646\u062f \u0631\u0648\u06cc \u0647\u0631 \u0645\u0646\u0637\u0642\u0647 \u06a9\u0648\u0686\u06a9 \u062f\u0631 \u06cc\u06a9 \u062a\u0635\u0648\u06cc\u0631\u060c \u0628\u0647 \u062c\u0627\u06cc \u062c\u0647\u0627\u0646\u06cc.<\/p>\n<h2 id=\"simplethresholdingwithopencv\"><span class=\"ez-toc-section\" id=\"%d8%a2%d8%b3%d8%aa%d8%a7%d9%86%d9%87_%da%af%d8%b0%d8%a7%d8%b1%db%8c_%d8%b3%d8%a7%d8%af%d9%87_%d8%a8%d8%a7_opencv\"><\/span>\u0622\u0633\u062a\u0627\u0646\u0647 \u06af\u0630\u0627\u0631\u06cc \u0633\u0627\u062f\u0647 \u0628\u0627 OpenCV<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0622\u0633\u062a\u0627\u0646\u0647 \u06af\u0630\u0627\u0631\u06cc \u062f\u0631 OpenCV \u067e\u0627\u06cc\u062a\u0648\u0646 API \u0627\u0632 \u0637\u0631\u06cc\u0642 \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc \u0634\u0648\u062f <code>cv2.threshold()<\/code> \u0631\u0648\u0634 &#8211; \u06a9\u0647 \u06cc\u06a9 \u062a\u0635\u0648\u06cc\u0631 (\u0622\u0631\u0627\u06cc\u0647 NumPy\u060c \u0646\u0634\u0627\u0646 \u062f\u0627\u062f\u0647 \u0634\u062f\u0647 \u0628\u0627 \u0627\u0639\u062f\u0627\u062f \u0635\u062d\u06cc\u062d)\u060c \u0622\u0633\u062a\u0627\u0646\u0647\u060c \u062d\u062f\u0627\u06a9\u062b\u0631 \u0645\u0642\u062f\u0627\u0631 \u0648 \u0631\u0648\u0634 \u0622\u0633\u062a\u0627\u0646\u0647 \u0631\u0627 \u0645\u06cc \u067e\u0630\u06cc\u0631\u062f (\u0686\u06af\u0648\u0646\u0647 <code>threshold<\/code> \u0648 <code>maximum_value<\/code> \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f):<\/p>\n<pre><code class=\"hljs\">img = cv2.imread(<span class=\"hljs-string\">'objects.jpg'<\/span>)\n\nimg = cv2.cvtColor(img, cv2.COLOR_BGR2RGB)\n\n\nblurred = cv2.GaussianBlur(img, (<span class=\"hljs-number\">7<\/span>, <span class=\"hljs-number\">7<\/span>), <span class=\"hljs-number\">0<\/span>)\n\nret, img_masked = cv2.threshold(blurred, <span class=\"hljs-number\">220<\/span>, <span class=\"hljs-number\">255<\/span>, cv2.THRESH_BINARY)\n<\/code><\/pre>\n<p>\u06a9\u062f \u0628\u0627\u0632\u06af\u0634\u062a\u06cc \u0641\u0642\u0637 \u0622\u0633\u062a\u0627\u0646\u0647 \u0627\u0639\u0645\u0627\u0644 \u0634\u062f\u0647 \u0627\u0633\u062a:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-built_in\">print<\/span>(<span class=\"hljs-string\">f\"Threshold: <span class=\"hljs-subst\">{ret}<\/span>\"<\/span>) \n<\/code><\/pre>\n<p>\u062f\u0631 \u0627\u06cc\u0646\u062c\u0627\u060c \u0627\u0632 \u0622\u0646\u062c\u0627\u06cc\u06cc \u06a9\u0647 \u0622\u0633\u062a\u0627\u0646\u0647 \u0627\u0633\u062a <code>220<\/code> \u0648 \u0645\u0627 \u0627\u0632 \u0622\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0631\u062f\u0647 \u0627\u06cc\u0645 <code>THRESH_BINARY<\/code> \u0631\u0648\u0634 &#8211; \u0647\u0631 \u0645\u0642\u062f\u0627\u0631 \u067e\u06cc\u06a9\u0633\u0644 \u0628\u0627\u0644\u0627 <code>220<\/code> \u0627\u0641\u0632\u0627\u06cc\u0634 \u062e\u0648\u0627\u0647\u062f \u06cc\u0627\u0641\u062a <code>255<\/code>\u060c \u062f\u0631 \u062d\u0627\u0644\u06cc \u06a9\u0647 \u0647\u0631 \u067e\u06cc\u06a9\u0633\u0644 \u0632\u06cc\u0631 \u0627\u0633\u062a <code>220<\/code> \u0628\u0647 \u067e\u0627\u06cc\u06cc\u0646 \u062e\u0648\u0627\u0647\u062f \u0622\u0645\u062f <code>0<\/code>\u060c \u0627\u06cc\u062c\u0627\u062f \u06cc\u06a9 \u062a\u0635\u0648\u06cc\u0631 \u0633\u06cc\u0627\u0647 \u0648 \u0633\u0641\u06cc\u062f\u060c \u0628\u0627 \u06cc\u06a9 &#8220;\u0645\u0627\u0633\u06a9&#8221;\u060c \u067e\u0648\u0634\u0634 \u0627\u0634\u06cc\u0627\u0621 \u067e\u06cc\u0634 \u0632\u0645\u06cc\u0646\u0647.<\/p>\n<blockquote>\n<p>\u0686\u0631\u0627 220\u061f  \u062f\u0627\u0646\u0633\u062a\u0646 \u0627\u06cc\u0646\u06a9\u0647 \u062a\u0635\u0648\u06cc\u0631 \u0686\u06af\u0648\u0646\u0647 \u0628\u0647 \u0646\u0638\u0631 \u0645\u06cc \u0631\u0633\u062f \u0628\u0647 \u0634\u0645\u0627 \u0627\u0645\u06a9\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f \u062a\u0627 \u062d\u062f\u0633 \u0647\u0627\u06cc\u06cc \u062a\u0642\u0631\u06cc\u0628\u06cc \u062f\u0631 \u0645\u0648\u0631\u062f \u0622\u0633\u062a\u0627\u0646\u0647 \u0627\u06cc \u06a9\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u0646\u062a\u062e\u0627\u0628 \u06a9\u0646\u06cc\u062f\u060c \u0627\u0646\u062c\u0627\u0645 \u062f\u0647\u06cc\u062f.  \u062f\u0631 \u0639\u0645\u0644\u060c \u0628\u0647 \u0646\u062f\u0631\u062a \u0645\u06cc \u062e\u0648\u0627\u0647\u06cc\u062f \u06cc\u06a9 \u0622\u0633\u062a\u0627\u0646\u0647 \u062f\u0633\u062a\u06cc \u062a\u0646\u0638\u06cc\u0645 \u06a9\u0646\u06cc\u062f\u060c \u0648 \u0645\u0627 \u0627\u0646\u062a\u062e\u0627\u0628 \u0622\u0633\u062a\u0627\u0646\u0647 \u062e\u0648\u062f\u06a9\u0627\u0631 \u0631\u0627 \u062f\u0631 \u06cc\u06a9 \u0644\u062d\u0638\u0647 \u067e\u0648\u0634\u0634 \u062e\u0648\u0627\u0647\u06cc\u0645 \u062f\u0627\u062f.<\/p>\n<\/blockquote>\n<p>\u0628\u06cc\u0627\u06cc\u06cc\u062f \u0646\u062a\u06cc\u062c\u0647 \u0631\u0627 \u062a\u0631\u0633\u06cc\u0645 \u06a9\u0646\u06cc\u0645!  \u067e\u0646\u062c\u0631\u0647\u200c\u0647\u0627\u06cc OpenCV \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u06a9\u0645\u06cc \u0645\u0634\u06a9\u0644 \u0628\u0627\u0634\u0646\u062f\u060c \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u062a\u0635\u0648\u06cc\u0631 \u0627\u0635\u0644\u06cc\u060c \u062a\u0635\u0648\u06cc\u0631 \u062a\u0627\u0631 \u0648 \u0646\u062a\u0627\u06cc\u062c \u0631\u0627 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 Matplotlib \u062a\u0631\u0633\u06cc\u0645 \u0645\u06cc\u200c\u06a9\u0646\u06cc\u0645:<\/p>\n<pre><code class=\"hljs\">fig, ax = plt.subplots(<span class=\"hljs-number\">1<\/span>, <span class=\"hljs-number\">3<\/span>, figsize=(<span class=\"hljs-number\">12<\/span>, <span class=\"hljs-number\">8<\/span>))\nax(<span class=\"hljs-number\">0<\/span>).imshow(img)\nax(<span class=\"hljs-number\">1<\/span>).imshow(blurred)\nax(<span class=\"hljs-number\">2<\/span>).imshow(img_masked)\n<\/code><\/pre>\n<p><img decoding=\"async\" src=\"https:\/\/rasanegar.com\/blog\/wp-content\/uploads\/2024\/01\/opencv-thresholding-in-python-with-cv2threshold-0.png\" alt=\"\" title=\"\"><\/p>\n<h3 id=\"thresholdingmethods\"><span class=\"ez-toc-section\" id=\"%d8%b1%d9%88%d8%b4_%d9%87%d8%a7%db%8c_%d8%a2%d8%b3%d8%aa%d8%a7%d9%86%d9%87_%da%af%d8%b0%d8%a7%d8%b1%db%8c\"><\/span>\u0631\u0648\u0634 \u0647\u0627\u06cc \u0622\u0633\u062a\u0627\u0646\u0647 \u06af\u0630\u0627\u0631\u06cc<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u0642\u0628\u0644\u0627 \u0630\u06a9\u0631 \u0634\u062f\u060c \u0631\u0648\u0634\u200c\u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641\u06cc \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f \u06a9\u0647 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u0632 \u0645\u0642\u062f\u0627\u0631 \u0622\u0633\u062a\u0627\u0646\u0647 \u0648 \u062d\u062f\u0627\u06a9\u062b\u0631 \u062f\u0631 \u06cc\u06a9 \u062a\u0627\u0628\u0639 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f.  \u062f\u0631 \u0627\u0628\u062a\u062f\u0627 \u0646\u06af\u0627\u0647\u06cc \u0628\u0647 \u0622\u0633\u062a\u0627\u0646\u0647 \u0628\u0627\u06cc\u0646\u0631\u06cc \u0627\u0646\u062f\u0627\u062e\u062a\u0647\u200c\u0627\u06cc\u0645.  \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0644\u06cc\u0633\u062a\u06cc \u0627\u0632 \u0631\u0648\u0634 \u0647\u0627 \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u06cc\u0645 \u0648 \u0622\u0646\u0647\u0627 \u0631\u0627 \u06cc\u06a9\u06cc \u06cc\u06a9\u06cc \u0627\u0639\u0645\u0627\u0644 \u06a9\u0646\u06cc\u0645 \u0648 \u0646\u062a\u0627\u06cc\u062c \u0631\u0627 \u062a\u0631\u0633\u06cc\u0645 \u06a9\u0646\u06cc\u0645:<\/p>\n<pre><code class=\"hljs\">methods = (cv2.THRESH_BINARY, cv2.THRESH_BINARY_INV, cv2.THRESH_TRUNC, cv2.THRESH_TOZERO, cv2.THRESH_TOZERO_INV)\nnames = (<span class=\"hljs-string\">'Binary Threshold'<\/span>, <span class=\"hljs-string\">'Inverse Binary Threshold'<\/span>, <span class=\"hljs-string\">'Truncated Threshold'<\/span>, <span class=\"hljs-string\">'To-Zero Threshold'<\/span>, <span class=\"hljs-string\">'Inverse To-Zero Threshold'<\/span>)\n\n<span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">thresh<\/span>(<span class=\"hljs-params\">img_path, method, index<\/span>):<\/span>\n    img = cv2.imread(img_path)\n    img = cv2.cvtColor(img, cv2.COLOR_BGR2RGB)\n    blurred = cv2.GaussianBlur(img, (<span class=\"hljs-number\">7<\/span>, <span class=\"hljs-number\">7<\/span>), <span class=\"hljs-number\">0<\/span>)\n    ret, img_masked = cv2.threshold(blurred, <span class=\"hljs-number\">220<\/span>, <span class=\"hljs-number\">255<\/span>, method)\n\n    fig, ax = plt.subplots(<span class=\"hljs-number\">1<\/span>, <span class=\"hljs-number\">3<\/span>, figsize=(<span class=\"hljs-number\">12<\/span>, <span class=\"hljs-number\">4<\/span>))\n    fig.suptitle(names(index), fontsize=<span class=\"hljs-number\">18<\/span>)\n    ax(<span class=\"hljs-number\">0<\/span>).imshow(img)\n    ax(<span class=\"hljs-number\">1<\/span>).imshow(blurred)\n    ax(<span class=\"hljs-number\">2<\/span>).imshow(img_masked)\n    plt.tight_layout()\n\n<span class=\"hljs-keyword\">for<\/span> index, method <span class=\"hljs-keyword\">in<\/span> <span class=\"hljs-built_in\">enumerate<\/span>(methods):\n    thresh(<span class=\"hljs-string\">'coins.jpeg'<\/span>, method, index)\n<\/code><\/pre>\n<p><code>THRESH_BINARY<\/code>  \u0648 <code>THRESH_BINARY_INV<\/code> \u0645\u0639\u06a9\u0648\u0633 \u06cc\u06a9\u062f\u06cc\u06af\u0631 \u0647\u0633\u062a\u0646\u062f \u0648 \u06cc\u06a9 \u062a\u0635\u0648\u06cc\u0631 \u0631\u0627 \u0628\u0627\u06cc\u0646\u0631\u06cc \u0645\u06cc \u06a9\u0646\u0646\u062f <code>0<\/code> \u0648 <code>255<\/code>\u060c \u0627\u062e\u062a\u0635\u0627\u0635 \u062f\u0627\u062f\u0646 \u0622\u0646\u0647\u0627 \u0628\u0647 \u067e\u0633 \u0632\u0645\u06cc\u0646\u0647 \u0648 \u067e\u06cc\u0634 \u0632\u0645\u06cc\u0646\u0647 \u0648 \u0628\u0627\u0644\u0639\u06a9\u0633.<\/p>\n<p><code>THRESH_TRUNC<\/code>  &#8220;<a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/en.wiktionary.org\/wiki\/binarize\">\u062f\u0648\u062a\u0627\u06cc\u06cc \u0645\u06cc \u06a9\u0646\u062f<\/a>&#8220;\u062a\u0635\u0648\u06cc\u0631 \u0628\u06cc\u0646 <code>threshold<\/code> \u0648 <code>255<\/code>.<\/p>\n<p><code>THRESH_TOZERO<\/code>  \u0648 <code>THRESH_TOZERO_INV<\/code> \u062f\u0648\u062a\u0627\u06cc\u06cc \u06a9\u0631\u062f\u0646 \u0628\u06cc\u0646 <code>0<\/code> \u0648 \u0645\u0642\u062f\u0627\u0631 \u067e\u06cc\u06a9\u0633\u0644 \u0641\u0639\u0644\u06cc (<code>src(x, y)<\/code>).  \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0646\u06af\u0627\u0647\u06cc \u0628\u0647 \u062a\u0635\u0627\u0648\u06cc\u0631 \u0628\u0647 \u062f\u0633\u062a \u0622\u0645\u062f\u0647 \u0628\u06cc\u0646\u062f\u0627\u0632\u06cc\u0645:<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/rasanegar.com\/blog\/wp-content\/uploads\/2024\/01\/opencv-thresholding-in-python-with-cv2threshold-1.png\" alt=\"\" title=\"\"><br \/>\n<img decoding=\"async\" src=\"https:\/\/rasanegar.com\/blog\/wp-content\/uploads\/2024\/01\/opencv-thresholding-in-python-with-cv2threshold-2.png\" alt=\"\" title=\"\"><br \/>\n<img decoding=\"async\" src=\"https:\/\/rasanegar.com\/blog\/wp-content\/uploads\/2024\/01\/opencv-thresholding-in-python-with-cv2threshold-3.png\" alt=\"\" title=\"\"><br \/>\n<img decoding=\"async\" src=\"https:\/\/rasanegar.com\/blog\/wp-content\/uploads\/2024\/01\/opencv-thresholding-in-python-with-cv2threshold-4.png\" alt=\"\" title=\"\"><br \/>\n<img decoding=\"async\" src=\"https:\/\/rasanegar.com\/blog\/wp-content\/uploads\/2024\/01\/opencv-thresholding-in-python-with-cv2threshold-5.png\" alt=\"\" title=\"\"><\/p>\n<p>\u0627\u06cc\u0646 \u0631\u0648\u0634\u200c\u0647\u0627 \u0628\u0647 \u0627\u0646\u062f\u0627\u0632\u0647 \u06a9\u0627\u0641\u06cc \u0634\u0647\u0648\u062f\u06cc \u0647\u0633\u062a\u0646\u062f &#8211; \u0627\u0645\u0627\u060c \u0686\u06af\u0648\u0646\u0647 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 \u0622\u0633\u062a\u0627\u0646\u0647 \u062e\u0648\u0628 \u0631\u0627 \u062e\u0648\u062f\u06a9\u0627\u0631 \u06a9\u0646\u06cc\u0645\u060c \u0648 \u0627\u0635\u0644\u0627\u064b \u0645\u0642\u062f\u0627\u0631 \u00ab\u0622\u0633\u062a\u0627\u0646\u0647 \u062e\u0648\u0628\u00bb \u0628\u0647 \u0686\u0647 \u0645\u0639\u0646\u0627\u0633\u062a\u061f  \u0627\u06a9\u062b\u0631 \u0646\u062a\u0627\u06cc\u062c \u062a\u0627 \u06a9\u0646\u0648\u0646 \u062f\u0627\u0631\u0627\u06cc \u0645\u0627\u0633\u06a9 \u0647\u0627\u06cc \u063a\u06cc\u0631 \u0627\u06cc\u062f\u0647 \u0622\u0644 \u0628\u0648\u062f\u0646\u062f\u060c \u0628\u0627 \u0639\u0644\u0627\u0645\u062a \u0647\u0627 \u0648 \u0644\u06a9\u0647 \u0647\u0627\u06cc\u06cc \u062f\u0631 \u0622\u0646\u0647\u0627.  \u0627\u06cc\u0646 \u0628\u0647 \u062f\u0644\u06cc\u0644 \u062a\u0641\u0627\u0648\u062a \u062f\u0631 \u0633\u0637\u0648\u062d \u0628\u0627\u0632\u062a\u0627\u0628\u0646\u062f\u0647 \u0633\u06a9\u0647 \u0647\u0627 \u0627\u062a\u0641\u0627\u0642 \u0645\u06cc \u0627\u0641\u062a\u062f &#8211; \u0628\u0647 \u062f\u0644\u06cc\u0644 \u062a\u0641\u0627\u0648\u062a \u062f\u0631 \u0631\u0648\u0634 \u0627\u0646\u0639\u06a9\u0627\u0633 \u0646\u0648\u0631 \u0628\u0631\u062c\u0633\u062a\u06af\u06cc \u0647\u0627\u060c \u0631\u0646\u06af \u0622\u0646\u0647\u0627 \u06cc\u06a9\u0646\u0648\u0627\u062e\u062a \u0646\u06cc\u0633\u062a.<\/p>\n<p>\u0645\u0627 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u062a\u0627 \u062d\u062f\u06cc \u0628\u0627 \u06cc\u0627\u0641\u062a\u0646 \u0622\u0633\u062a\u0627\u0646\u0647 \u062c\u0647\u0627\u0646\u06cc \u0628\u0647\u062a\u0631 \u0628\u0627 \u0622\u0646 \u0645\u0628\u0627\u0631\u0632\u0647 \u06a9\u0646\u06cc\u0645.<\/p>\n<h2 id=\"automaticoptimizedthresholdingwithopencv\"><span class=\"ez-toc-section\" id=\"%d8%a2%d8%b3%d8%aa%d8%a7%d9%86%d9%87_%da%af%d8%b0%d8%a7%d8%b1%db%8c_%d8%ae%d9%88%d8%af%da%a9%d8%a7%d8%b1%d8%a8%d9%87%db%8c%d9%86%d9%87_%d8%b4%d8%af%d9%87_%d8%a8%d8%a7_opencv\"><\/span>\u0622\u0633\u062a\u0627\u0646\u0647 \u06af\u0630\u0627\u0631\u06cc \u062e\u0648\u062f\u06a9\u0627\u0631\/\u0628\u0647\u06cc\u0646\u0647 \u0634\u062f\u0647 \u0628\u0627 OpenCV<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>OpenCV \u0627\u0632 \u062f\u0648 \u0631\u0648\u0634 \u0645\u0648\u062b\u0631 \u062c\u0633\u062a\u062c\u0648\u06cc \u0622\u0633\u062a\u0627\u0646\u0647 \u062c\u0647\u0627\u0646\u06cc &#8211; \u0631\u0648\u0634 Otsu \u0648 \u0631\u0648\u0634 Triangle \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<p>\u0631\u0648\u0634 Otsu \u0641\u0631\u0636 \u0645\u06cc \u06a9\u0646\u062f \u06a9\u0647 \u06a9\u0627\u0631 \u0645\u06cc \u06a9\u0646\u062f \u0631\u0648\u06cc <em>\u062f\u0648\u062d\u0627\u0644\u062a\u0647<\/em> \u062a\u0635\u0627\u0648\u06cc\u0631.  \u062a\u0635\u0627\u0648\u06cc\u0631 \u062f\u0648 \u062d\u0627\u0644\u062a\u0647 \u062a\u0635\u0627\u0648\u06cc\u0631\u06cc \u0647\u0633\u062a\u0646\u062f \u06a9\u0647 \u0647\u06cc\u0633\u062a\u0648\u06af\u0631\u0627\u0645 \u0631\u0646\u06af\u06cc \u0622\u0646\u0647\u0627 \u0641\u0642\u0637 \u0634\u0627\u0645\u0644 \u062f\u0648 \u067e\u06cc\u06a9 \u0627\u0633\u062a (\u06cc\u0639\u0646\u06cc \u0641\u0642\u0637 \u062f\u0648 \u0645\u0642\u062f\u0627\u0631 \u067e\u06cc\u06a9\u0633\u0644 \u0645\u062c\u0632\u0627 \u062f\u0627\u0631\u0646\u062f).  \u0628\u0627 \u062a\u0648\u062c\u0647 \u0628\u0647 \u0627\u06cc\u0646\u06a9\u0647 \u0642\u0644\u0647 \u0647\u0627 \u0647\u0631 \u06a9\u062f\u0627\u0645 \u0645\u062a\u0639\u0644\u0642 \u0628\u0647 \u06a9\u0644\u0627\u0633\u06cc \u0645\u0627\u0646\u0646\u062f &#8220;\u067e\u0633 \u0632\u0645\u06cc\u0646\u0647&#8221; \u0648 &#8220;\u067e\u06cc\u0634 \u0632\u0645\u06cc\u0646\u0647&#8221; \u0647\u0633\u062a\u0646\u062f &#8211; \u0622\u0633\u062a\u0627\u0646\u0647 \u0627\u06cc\u062f\u0647 \u0622\u0644 \u062f\u0631\u0633\u062a \u062f\u0631 \u0648\u0633\u0637 \u0622\u0646\u0647\u0627 \u0642\u0631\u0627\u0631 \u062f\u0627\u0631\u062f.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/rasanegar.com\/blog\/wp-content\/uploads\/2024\/01\/opencv-thresholding-in-python-with-cv2threshold-6.png\" alt=\"\" title=\"\"><br \/><small>\u0627\u0639\u062a\u0628\u0627\u0631 \u062a\u0635\u0648\u06cc\u0631: <a href=\"https:\/\/scipy-lectures.org\/\" target=\"_blank\" rel=\"noopener\">https:\/\/scipy-lectures.org\/<\/a><\/small><\/p>\n<blockquote>\n<p>\u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0628\u0631\u062e\u06cc \u0627\u0632 \u062a\u0635\u0627\u0648\u06cc\u0631 \u0631\u0627 \u0628\u0627 \u062a\u0627\u0631\u06cc\u200c\u0647\u0627\u06cc \u06af\u0627\u0648\u0633\u06cc \u062f\u0648\u0648\u062c\u0647\u06cc\u200c\u062a\u0631 \u06a9\u0646\u06cc\u062f\u060c \u0627\u0645\u0627 \u0646\u0647 \u0647\u0645\u0647.<\/p>\n<\/blockquote>\n<p>\u06cc\u06a9 \u0627\u0644\u06af\u0648\u0631\u06cc\u062a\u0645 \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646 \u0627\u0644\u06af\u0648\u0631\u06cc\u062a\u0645 \u0645\u062b\u0644\u062b \u0627\u0633\u062a \u06a9\u0647 \u0641\u0627\u0635\u0644\u0647 \u0628\u06cc\u0646 \u062d\u062f\u0627\u06a9\u062b\u0631 \u0648 \u062d\u062f\u0627\u0642\u0644 \u0647\u06cc\u0633\u062a\u0648\u06af\u0631\u0627\u0645 \u0633\u0637\u062d \u062e\u0627\u06a9\u0633\u062a\u0631\u06cc \u0631\u0627 \u0645\u062d\u0627\u0633\u0628\u0647 \u06a9\u0631\u062f\u0647 \u0648 \u06cc\u06a9 \u062e\u0637 \u062a\u0631\u0633\u06cc\u0645 \u0645\u06cc \u06a9\u0646\u062f.  \u0646\u0642\u0637\u0647 \u0627\u06cc \u06a9\u0647 \u0622\u0646 \u062e\u0637 \u062d\u062f\u0627\u06a9\u062b\u0631 \u062f\u0648\u0631\u062a\u0631 \u0627\u0632 \u0628\u0642\u06cc\u0647 \u0647\u06cc\u0633\u062a\u0648\u06af\u0631\u0627\u0645 \u0628\u0627\u0634\u062f \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0622\u0633\u062a\u0627\u0646\u0647 \u0627\u0646\u062a\u062e\u0627\u0628 \u0645\u06cc \u0634\u0648\u062f:<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/rasanegar.com\/blog\/wp-content\/uploads\/2024\/01\/opencv-thresholding-in-python-with-cv2threshold-7.png\" alt=\"\" title=\"\"><\/p>\n<p>\u0647\u06cc\u0686 \u0631\u0642\u0627\u0628\u062a\u06cc \u0628\u06cc\u0646 \u0622\u0646\u0647\u0627 \u0648\u062c\u0648\u062f \u0646\u062f\u0627\u0631\u062f &#8211; \u0647\u0631 \u06a9\u062f\u0627\u0645 \u06a9\u0627\u0631 \u0645\u06cc \u06a9\u0646\u0646\u062f \u0631\u0648\u06cc \u0627\u0646\u0648\u0627\u0639 \u0645\u062e\u062a\u0644\u0641\u06cc \u0627\u0632 \u062a\u0635\u0627\u0648\u06cc\u0631\u060c \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u0628\u0647\u062a\u0631 \u0627\u0633\u062a \u0622\u0646\u0647\u0627 \u0631\u0627 \u0627\u0645\u062a\u062d\u0627\u0646 \u06a9\u0646\u06cc\u062f \u0648 \u0628\u0628\u06cc\u0646\u06cc\u062f \u06a9\u062f\u0627\u0645\u06cc\u06a9 \u0646\u062a\u06cc\u062c\u0647 \u0628\u0647\u062a\u0631\u06cc \u0631\u0627 \u0646\u0634\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f.  \u0647\u0631 \u062f\u0648\u06cc \u0627\u06cc\u0646\u0647\u0627 \u06cc\u06a9 \u062a\u0635\u0648\u06cc\u0631 \u062f\u0631 \u0645\u0642\u06cc\u0627\u0633 \u062e\u0627\u06a9\u0633\u062a\u0631\u06cc \u0631\u0627 \u0641\u0631\u0636 \u0645\u06cc \u06a9\u0646\u0646\u062f\u060c \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u0628\u0627\u06cc\u062f \u062a\u0635\u0648\u06cc\u0631 \u0648\u0631\u0648\u062f\u06cc \u0631\u0627 \u0627\u0632 \u0637\u0631\u06cc\u0642 \u062e\u0627\u06a9\u0633\u062a\u0631\u06cc \u0628\u0647 \u062e\u0627\u06a9\u0633\u062a\u0631\u06cc \u062a\u0628\u062f\u06cc\u0644 \u06a9\u0646\u06cc\u0645. <code>cv2.cvtColor()<\/code>:<\/p>\n<pre><code class=\"hljs\">img = cv2.imread(img_path)\ngray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)\nblurred = cv2.GaussianBlur(gray, (<span class=\"hljs-number\">7<\/span>, <span class=\"hljs-number\">7<\/span>), <span class=\"hljs-number\">0<\/span>)\n\nret, mask1 = cv2.threshold(blurred, <span class=\"hljs-number\">0<\/span>, <span class=\"hljs-number\">255<\/span>, cv2.THRESH_OTSU)\nret, mask2 = cv2.threshold(blurred, <span class=\"hljs-number\">0<\/span>, <span class=\"hljs-number\">255<\/span>, cv2.THRESH_TRIANGLE)\n\nmasked = cv2.bitwise_and(img, img, mask=mask1)\n<\/code><\/pre>\n<p>\u0628\u06cc\u0627\u06cc\u06cc\u062f \u062a\u0635\u0648\u06cc\u0631 \u0631\u0627 \u0628\u0627 \u0647\u0631 \u062f\u0648 \u0631\u0648\u0634 \u0627\u062c\u0631\u0627 \u06a9\u0646\u06cc\u0645 \u0648 \u0646\u062a\u0627\u06cc\u062c \u0631\u0627 \u062a\u062c\u0633\u0645 \u06a9\u0646\u06cc\u0645:<\/p>\n<pre><code class=\"hljs\">methods = (cv2.THRESH_OTSU, cv2.THRESH_TRIANGLE)\nnames = (<span class=\"hljs-string\">'Otsu Method'<\/span>, <span class=\"hljs-string\">'Triangle Method'<\/span>)\n\n<span class=\"hljs-function\"><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title\">thresh<\/span>(<span class=\"hljs-params\">img_path, method, index<\/span>):<\/span>\n    img = cv2.imread(img_path)\n    gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)\n    blurred = cv2.GaussianBlur(gray, (<span class=\"hljs-number\">7<\/span>, <span class=\"hljs-number\">7<\/span>), <span class=\"hljs-number\">0<\/span>)\n\n    ret, img_masked = cv2.threshold(blurred, <span class=\"hljs-number\">0<\/span>, <span class=\"hljs-number\">255<\/span>, method)\n    <span class=\"hljs-built_in\">print<\/span>(<span class=\"hljs-string\">f\"Threshold: <span class=\"hljs-subst\">{ret}<\/span>\"<\/span>)\n\n    fig, ax = plt.subplots(<span class=\"hljs-number\">1<\/span>, <span class=\"hljs-number\">3<\/span>, figsize=(<span class=\"hljs-number\">12<\/span>, <span class=\"hljs-number\">5<\/span>))\n    fig.suptitle(names(index), fontsize=<span class=\"hljs-number\">18<\/span>)\n    ax(<span class=\"hljs-number\">0<\/span>).imshow(cv2.cvtColor(img, cv2.COLOR_BGR2RGB))\n    ax(<span class=\"hljs-number\">1<\/span>).imshow(cv2.cvtColor(gray, cv2.COLOR_BGR2RGB))\n    ax(<span class=\"hljs-number\">2<\/span>).imshow(cv2.cvtColor(img_masked, cv2.COLOR_BGR2RGB))\n\n<span class=\"hljs-keyword\">for<\/span> index, method <span class=\"hljs-keyword\">in<\/span> <span class=\"hljs-built_in\">enumerate<\/span>(methods):\n    thresh(<span class=\"hljs-string\">'coins.jpeg'<\/span>, method, index)\n<\/code><\/pre>\n<p><img decoding=\"async\" src=\"https:\/\/rasanegar.com\/blog\/wp-content\/uploads\/2024\/01\/opencv-thresholding-in-python-with-cv2threshold-9.png\" alt=\"\" title=\"\"><br \/><img decoding=\"async\" src=\"https:\/\/rasanegar.com\/blog\/wp-content\/uploads\/2024\/01\/opencv-thresholding-in-python-with-cv2threshold-10.png\" alt=\"\" title=\"\"><\/p>\n<p>\u062f\u0631 \u0627\u06cc\u0646\u062c\u0627\u060c \u0631\u0648\u0634 \u0645\u062b\u0644\u062b \u0627\u0632 \u0631\u0648\u0634 Otsu \u0628\u0647\u062a\u0631 \u0639\u0645\u0644 \u0645\u06cc \u06a9\u0646\u062f\u060c \u0632\u06cc\u0631\u0627 \u062a\u0635\u0648\u06cc\u0631 \u062f\u0648 \u062d\u0627\u0644\u062a\u0647 \u0646\u06cc\u0633\u062a:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">import<\/span> numpy <span class=\"hljs-keyword\">as<\/span> np\n\nimg = cv2.imread(<span class=\"hljs-string\">'coins.jpeg'<\/span>)\ngray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)\nblurred = cv2.GaussianBlur(gray, (<span class=\"hljs-number\">7<\/span>, <span class=\"hljs-number\">7<\/span>), <span class=\"hljs-number\">0<\/span>)\n\nhistogram_gray, bin_edges_gray = np.histogram(gray, bins=<span class=\"hljs-number\">256<\/span>, <span class=\"hljs-built_in\">range<\/span>=(<span class=\"hljs-number\">0<\/span>, <span class=\"hljs-number\">255<\/span>))\nhistogram_blurred, bin_edges_blurred = np.histogram(blurred, bins=<span class=\"hljs-number\">256<\/span>, <span class=\"hljs-built_in\">range<\/span>=(<span class=\"hljs-number\">0<\/span>, <span class=\"hljs-number\">255<\/span>))\n\nfig, ax = plt.subplots(<span class=\"hljs-number\">1<\/span>, <span class=\"hljs-number\">2<\/span>, figsize=(<span class=\"hljs-number\">12<\/span>, <span class=\"hljs-number\">4<\/span>))\n\nax(<span class=\"hljs-number\">0<\/span>).plot(bin_edges_gray(<span class=\"hljs-number\">0<\/span>:-<span class=\"hljs-number\">1<\/span>), histogram_gray)\nax(<span class=\"hljs-number\">1<\/span>).plot(bin_edges_blurred(<span class=\"hljs-number\">0<\/span>:-<span class=\"hljs-number\">1<\/span>), histogram_blurred)\n<\/code><\/pre>\n<p><img decoding=\"async\" src=\"https:\/\/rasanegar.com\/blog\/wp-content\/uploads\/2024\/01\/opencv-thresholding-in-python-with-cv2threshold-8.png\" alt=\"\" title=\"\"><\/p>\n<p>\u0628\u0627 \u0627\u06cc\u0646 \u062d\u0627\u0644\u060c \u0648\u0627\u0636\u062d \u0627\u0633\u062a \u06a9\u0647 \u0686\u06af\u0648\u0646\u0647 \u0631\u0648\u0634 \u0645\u062b\u0644\u062b \u062a\u0648\u0627\u0646\u0633\u062a\u0647 \u0628\u0627 \u062a\u0635\u0648\u06cc\u0631 \u06a9\u0627\u0631 \u06a9\u0646\u062f \u0648 \u0646\u062a\u06cc\u062c\u0647 \u0631\u0636\u0627\u06cc\u062a\u200c\u0628\u062e\u0634\u200c\u062a\u0631\u06cc \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u062f.<\/p>\n<h2 id=\"limitationsofopencvthresholding\"><span class=\"ez-toc-section\" id=\"%d9%85%d8%ad%d8%af%d9%88%d8%af%db%8c%d8%aa_%d9%87%d8%a7%db%8c_opencv_thresholding\"><\/span>\u0645\u062d\u062f\u0648\u062f\u06cc\u062a \u0647\u0627\u06cc OpenCV Thresholding<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0622\u0633\u062a\u0627\u0646\u0647 \u06af\u0630\u0627\u0631\u06cc \u0628\u0627 OpenCV \u0633\u0627\u062f\u0647\u060c \u0622\u0633\u0627\u0646 \u0648 \u06a9\u0627\u0631\u0622\u0645\u062f \u0627\u0633\u062a.  \u0628\u0627 \u0627\u06cc\u0646 \u062d\u0627\u0644\u060c \u0646\u0633\u0628\u062a\u0627\u064b \u0645\u062d\u062f\u0648\u062f \u0627\u0633\u062a.  \u0628\u0647 \u0645\u062d\u0636 \u0645\u0639\u0631\u0641\u06cc \u0639\u0646\u0627\u0635\u0631 \u0631\u0646\u06af\u0627\u0631\u0646\u06af\u060c \u067e\u0633\u200c\u0632\u0645\u06cc\u0646\u0647\u200c\u0647\u0627\u06cc \u063a\u06cc\u0631\u06cc\u06a9\u0646\u0648\u0627\u062e\u062a \u0648 \u062a\u063a\u06cc\u06cc\u0631 \u0634\u0631\u0627\u06cc\u0637 \u0646\u0648\u0631\u06cc &#8211; \u0622\u0633\u062a\u0627\u0646\u0647 \u062c\u0647\u0627\u0646\u06cc \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06cc\u06a9 \u0645\u0641\u0647\u0648\u0645 \u0628\u0633\u06cc\u0627\u0631 \u0633\u0641\u062a \u0648 \u0633\u062e\u062a \u0645\u06cc\u200c\u0634\u0648\u062f.<\/p>\n<p>\u062a\u0635\u0627\u0648\u06cc\u0631 \u0645\u0639\u0645\u0648\u0644\u0627\u064b \u0628\u0631\u0627\u06cc \u0627\u06cc\u0646\u06a9\u0647 \u06cc\u06a9 \u0622\u0633\u062a\u0627\u0646\u0647 \u06a9\u0627\u0641\u06cc \u0646\u0628\u0627\u0634\u062f \u0628\u0633\u06cc\u0627\u0631 \u067e\u06cc\u0686\u06cc\u062f\u0647 \u0647\u0633\u062a\u0646\u062f \u0648 \u062a\u0627 \u062d\u062f\u06cc \u0645\u06cc \u062a\u0648\u0627\u0646 \u0627\u0632 \u0637\u0631\u06cc\u0642 \u0622\u0646 \u0628\u0647 \u0622\u0646 \u067e\u0631\u062f\u0627\u062e\u062a <em>\u0622\u0633\u062a\u0627\u0646\u0647 \u062a\u0637\u0628\u06cc\u0642\u06cc<\/em>\u060c \u062c\u0627\u06cc\u06cc \u06a9\u0647 \u0628\u0633\u06cc\u0627\u0631\u06cc \u0627\u0632 \u0622\u0633\u062a\u0627\u0646\u0647 \u0647\u0627\u06cc \u0645\u062d\u0644\u06cc \u0628\u0647 \u062c\u0627\u06cc \u06cc\u06a9 \u0622\u0633\u062a\u0627\u0646\u0647 \u062c\u0647\u0627\u0646\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f.  \u062f\u0631 \u062d\u0627\u0644\u06cc \u06a9\u0647 \u0645\u062d\u062f\u0648\u062f \u0627\u0633\u062a\u060c \u0622\u0633\u062a\u0627\u0646\u0647 \u062a\u0637\u0628\u06cc\u0642\u06cc \u200b\u200b\u0628\u0633\u06cc\u0627\u0631 \u0627\u0646\u0639\u0637\u0627\u0641 \u067e\u0630\u06cc\u0631\u062a\u0631 \u0627\u0632 \u0622\u0633\u062a\u0627\u0646\u0647 \u062c\u0647\u0627\u0646\u06cc \u0627\u0633\u062a.<\/p>\n<h2 id=\"conclusion\"><span class=\"ez-toc-section\" id=\"%d9%86%d8%aa%db%8c%d8%ac%d9%87\"><\/span>\u0646\u062a\u06cc\u062c\u0647<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u062f\u0631 \u0633\u0627\u0644\u200c\u0647\u0627\u06cc \u0627\u062e\u06cc\u0631\u060c \u062a\u0642\u0633\u06cc\u0645\u200c\u0628\u0646\u062f\u06cc \u0628\u0627\u06cc\u0646\u0631\u06cc (\u0645\u0627\u0646\u0646\u062f \u06a9\u0627\u0631\u06cc \u06a9\u0647 \u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u0627\u0646\u062c\u0627\u0645 \u062f\u0627\u062f\u06cc\u0645) \u0648 \u062a\u0642\u0633\u06cc\u0645\u200c\u0628\u0646\u062f\u06cc \u0686\u0646\u062f \u0628\u0631\u0686\u0633\u0628\u06cc (\u062c\u0627\u06cc\u06cc \u06a9\u0647 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u062a\u0639\u062f\u0627\u062f \u062f\u0644\u062e\u0648\u0627\u0647 \u06a9\u0644\u0627\u0633\u200c\u0647\u0627 \u0631\u0627 \u06a9\u062f\u06af\u0630\u0627\u0631\u06cc \u06a9\u0646\u06cc\u062f) \u0628\u0627 \u0645\u0648\u0641\u0642\u06cc\u062a \u0628\u0627 \u0634\u0628\u06a9\u0647\u200c\u0647\u0627\u06cc \u06cc\u0627\u062f\u06af\u06cc\u0631\u06cc \u0639\u0645\u06cc\u0642 \u0645\u062f\u0644\u200c\u0633\u0627\u0632\u06cc \u0634\u062f\u0647\u200c\u0627\u0646\u062f \u06a9\u0647 \u0628\u0633\u06cc\u0627\u0631 \u0642\u062f\u0631\u062a\u0645\u0646\u062f\u062a\u0631 \u0648 \u0627\u0646\u0639\u0637\u0627\u0641\u200c\u067e\u0630\u06cc\u0631\u062a\u0631 \u0647\u0633\u062a\u0646\u062f.  \u0639\u0644\u0627\u0648\u0647 \u0628\u0631 \u0627\u06cc\u0646\u060c \u0622\u0646\u0647\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u0646\u062f \u0632\u0645\u06cc\u0646\u0647 \u062c\u0647\u0627\u0646\u06cc \u0648 \u0645\u062d\u0644\u06cc \u0631\u0627 \u062f\u0631 \u062a\u0635\u0627\u0648\u06cc\u0631\u06cc \u06a9\u0647 \u062f\u0631 \u062d\u0627\u0644 \u062a\u0642\u0633\u06cc\u0645 \u0628\u0646\u062f\u06cc \u0647\u0633\u062a\u0646\u062f \u0631\u0645\u0632\u06af\u0630\u0627\u0631\u06cc \u06a9\u0646\u0646\u062f.  \u0646\u0642\u0637\u0647 \u0636\u0639\u0641 \u0627\u06cc\u0646 \u0627\u0633\u062a &#8211; \u0628\u0631\u0627\u06cc \u0622\u0645\u0648\u0632\u0634 \u0622\u0646\u0647\u0627 \u0628\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627 \u0648 \u0647\u0645\u0686\u0646\u06cc\u0646 \u0632\u0645\u0627\u0646 \u0648 \u062a\u062e\u0635\u0635 \u0646\u06cc\u0627\u0632 \u062f\u0627\u0631\u06cc\u062f.<\/p>\n<p>\u0628\u0631\u0627\u06cc \u0631\u0648\u06cc-the-fly\u060c \u0622\u0633\u062a\u0627\u0646\u0647 \u0633\u0627\u062f\u0647\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u0632 OpenCV \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f.  \u0628\u0631\u0627\u06cc \u062a\u0642\u0633\u06cc\u0645 \u0628\u0646\u062f\u06cc \u062f\u0642\u06cc\u0642 \u0648 \u062f\u0631 \u0633\u0637\u062d \u062a\u0648\u0644\u06cc\u062f\u060c \u0628\u0627\u06cc\u062f \u0627\u0632 \u0634\u0628\u06a9\u0647 \u0647\u0627\u06cc \u0639\u0635\u0628\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f.<\/p>\n<\/div>\n<p><script>\n                        !function(f,b,e,v,n,t,s)\n                        {if(f.fbq)return;n=f.fbq=function(){n.callMethod?\n                        n.callMethod.apply(n,arguments):n.queue.push(arguments)};\n                        if(!f._fbq)f._fbq=n;n.push=n;n.loaded=!0;n.version='2.0';\n                        n.queue=();t=b.createElement(e);t.async=!0;\n                        t.src=v;s=b.getElementsByTagName(e)(0);\n                        s.parentNode.insertBefore(t,s)}(window, document,'script',\n                        'https:\/\/connect.facebook.net\/en_US\/fbevents.js');\n                        fbq('init', '525232124909042');\n                        fbq('track', 'PageView');\n                    <\/script>    (\u0628\u0631\u0686\u0633\u0628\u200c\u0647\u0627 \u0628\u0647 \u062a\u0631\u062c\u0645\u0647)# python<br \/>\n<br \/><br \/>\n<br \/>\u0645\u0646\u062a\u0634\u0631 \u0634\u062f\u0647 \u062f\u0631 1403-01-03 10:09:06<br \/>\n<\/p>\n\n\n<div class=\"kk-star-ratings kksr-auto kksr-align-center kksr-valign-bottom\"\n    data-payload='{&quot;align&quot;:&quot;center&quot;,&quot;id&quot;:&quot;13872&quot;,&quot;slug&quot;:&quot;default&quot;,&quot;valign&quot;:&quot;bottom&quot;,&quot;ignore&quot;:&quot;&quot;,&quot;reference&quot;:&quot;auto&quot;,&quot;class&quot;:&quot;&quot;,&quot;count&quot;:&quot;0&quot;,&quot;legendonly&quot;:&quot;&quot;,&quot;readonly&quot;:&quot;&quot;,&quot;score&quot;:&quot;0&quot;,&quot;starsonly&quot;:&quot;&quot;,&quot;best&quot;:&quot;5&quot;,&quot;gap&quot;:&quot;5&quot;,&quot;greet&quot;:&quot;\u0627\u0645\u062a\u06cc\u0627\u0632 \u0634\u0645\u0627 \u0628\u0647 \u0627\u06cc\u0646 \u0645\u0637\u0644\u0628&quot;,&quot;legend&quot;:&quot;0\\\/5 (0 \u0631\u0627\u06cc)&quot;,&quot;size&quot;:&quot;30&quot;,&quot;title&quot;:&quot;OpenCV Thresholding \u062f\u0631 \u067e\u0627\u06cc\u062a\u0648\u0646 \u0628\u0627 cv2.threshold()&quot;,&quot;width&quot;:&quot;0&quot;,&quot;_legend&quot;:&quot;{score}\\\/{best} ({count} \u0631\u0627\u06cc)&quot;,&quot;font_factor&quot;:&quot;1.25&quot;}'>\n            \n<div class=\"kksr-stars\">\n    \n<div class=\"kksr-stars-inactive\">\n            <div class=\"kksr-star\" data-star=\"1\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"2\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"3\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"4\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"5\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n    <\/div>\n    \n<div class=\"kksr-stars-active\" style=\"width: 0px;\">\n            <div class=\"kksr-star\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n    <\/div>\n<\/div>\n                \n\n<div class=\"kksr-legend\" style=\"font-size: 24px;\">\n            <span class=\"kksr-muted\">\u0627\u0645\u062a\u06cc\u0627\u0632 \u0634\u0645\u0627 \u0628\u0647 \u0627\u06cc\u0646 \u0645\u0637\u0644\u0628<\/span>\n    <\/div>\n    <\/div>\n","protected":false},"excerpt":{"rendered":"<p><span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">\u0632\u0645\u0627\u0646 \u0644\u0627\u0632\u0645 \u0628\u0631\u0627\u06cc \u0645\u0637\u0627\u0644\u0639\u0647: <\/span> <span class=\"rt-time\"> 5<\/span> <span class=\"rt-label rt-postfix\">\u062f\u0642\u06cc\u0642\u0647<\/span><\/span>\u0645\u0639\u0631\u0641\u06cc Thresholding \u06cc\u06a9 \u062a\u06a9\u0646\u06cc\u06a9 \u0633\u0627\u062f\u0647 \u0648 \u06a9\u0627\u0631\u0622\u0645\u062f \u0628\u0631\u0627\u06cc \u0627\u0646\u062c\u0627\u0645 \u062a\u0642\u0633\u06cc\u0645 \u0628\u0646\u062f\u06cc \u0627\u0648\u0644\u06cc\u0647 \u062f\u0631 \u06cc\u06a9 \u062a\u0635\u0648\u06cc\u0631 \u0648 \u0628\u0627\u06cc\u0646\u0631\u06cc\u0632\u0647 \u06a9\u0631\u062f\u0646 \u0622\u0646 (\u062a\u0628\u062f\u06cc\u0644 \u0622\u0646 \u0628\u0647 \u06cc\u06a9 \u062a\u0635\u0648\u06cc\u0631 \u0628\u0627\u06cc\u0646\u0631\u06cc) \u0627\u0633\u062a \u06a9\u0647 \u062f\u0631 \u0622\u0646 \u067e\u06cc\u06a9\u0633\u0644 \u0647\u0627 \u06cc\u0627 0 \u06cc\u0627 1 (\u06cc\u0627 255 \u0627\u06af\u0631 \u0627\u0632 \u0627\u0639\u062f\u0627\u062f \u0635\u062d\u06cc\u062d \u0628\u0631\u0627\u06cc \u0646\u0634\u0627\u0646 \u062f\u0627\u062f\u0646 \u0622\u0646\u0647\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u062f). \u0628\u0647 \u0637\u0648\u0631 \u0645\u0639\u0645\u0648\u0644\u060c \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u0632 \u0622\u0633\u062a\u0627\u0646\u0647\u200c\u06af\u0630\u0627\u0631\u06cc \u0628\u0631\u0627\u06cc [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":13873,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1743,620],"tags":[],"class_list":["post-13872","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-python","category-programming"],"acf":[],"_links":{"self":[{"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/posts\/13872","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/comments?post=13872"}],"version-history":[{"count":0,"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/posts\/13872\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/media\/13873"}],"wp:attachment":[{"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/media?parent=13872"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/categories?post=13872"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/tags?post=13872"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}