{"id":13844,"date":"2024-01-03T07:59:15","date_gmt":"2024-01-03T04:29:15","guid":{"rendered":"https:\/\/rasanegar.com\/blog\/%d8%a2%d8%b3%d8%aa%d8%a7%d9%86%d9%87-%d8%aa%d8%b7%d8%a8%db%8c%d9%82%db%8c-opencv-%d8%af%d8%b1-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86-%d8%a8%d8%a7-cv2-adaptivethreshold\/"},"modified":"2024-01-03T07:59:15","modified_gmt":"2024-01-03T04:29:15","slug":"%d8%a2%d8%b3%d8%aa%d8%a7%d9%86%d9%87-%d8%aa%d8%b7%d8%a8%db%8c%d9%82%db%8c-opencv-%d8%af%d8%b1-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86-%d8%a8%d8%a7-cv2-adaptivethreshold","status":"publish","type":"post","link":"https:\/\/rasanegaar.com\/blog\/%d8%a2%d8%b3%d8%aa%d8%a7%d9%86%d9%87-%d8%aa%d8%b7%d8%a8%db%8c%d9%82%db%8c-opencv-%d8%af%d8%b1-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86-%d8%a8%d8%a7-cv2-adaptivethreshold\/","title":{"rendered":"\u0622\u0633\u062a\u0627\u0646\u0647 \u062a\u0637\u0628\u06cc\u0642\u06cc \u200b\u200bOpenCV \u062f\u0631 \u067e\u0627\u06cc\u062a\u0648\u0646 \u0628\u0627 ()cv2.adaptiveThreshold"},"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\/%d8%a2%d8%b3%d8%aa%d8%a7%d9%86%d9%87-%d8%aa%d8%b7%d8%a8%db%8c%d9%82%db%8c-opencv-%d8%af%d8%b1-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86-%d8%a8%d8%a7-cv2-adaptivethreshold\/#%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\/%d8%a2%d8%b3%d8%aa%d8%a7%d9%86%d9%87-%d8%aa%d8%b7%d8%a8%db%8c%d9%82%db%8c-opencv-%d8%af%d8%b1-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86-%d8%a8%d8%a7-cv2-adaptivethreshold\/#%d8%a2%d8%b3%d8%aa%d8%a7%d9%86%d9%87_%d8%aa%d8%b7%d8%a8%db%8c%d9%82%db%8c_%e2%80%8b%e2%80%8b%d8%a8%d8%a7_opencv\" >\u0622\u0633\u062a\u0627\u0646\u0647 \u062a\u0637\u0628\u06cc\u0642\u06cc \u200b\u200b\u0628\u0627 OpenCV<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/rasanegaar.com\/blog\/%d8%a2%d8%b3%d8%aa%d8%a7%d9%86%d9%87-%d8%aa%d8%b7%d8%a8%db%8c%d9%82%db%8c-opencv-%d8%af%d8%b1-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86-%d8%a8%d8%a7-cv2-adaptivethreshold\/#%d9%85%d8%ad%d8%af%d9%88%d8%af%db%8c%d8%aa_%d9%87%d8%a7%db%8c_%d8%a2%d8%b3%d8%aa%d8%a7%d9%86%d9%87_%d8%aa%d8%b7%d8%a8%db%8c%d9%82%db%8c\" >\u0645\u062d\u062f\u0648\u062f\u06cc\u062a \u0647\u0627\u06cc \u0622\u0633\u062a\u0627\u0646\u0647 \u062a\u0637\u0628\u06cc\u0642\u06cc<\/a><\/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\/%d8%a2%d8%b3%d8%aa%d8%a7%d9%86%d9%87-%d8%aa%d8%b7%d8%a8%db%8c%d9%82%db%8c-opencv-%d8%af%d8%b1-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86-%d8%a8%d8%a7-cv2-adaptivethreshold\/#%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\"> 4<\/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>\u0622\u0633\u062a\u0627\u0646\u0647 \u0633\u0627\u062f\u0647 \u0645\u0634\u06a9\u0644\u0627\u062a \u0622\u0634\u06a9\u0627\u0631\u06cc \u062f\u0627\u0631\u062f \u0648 \u0646\u06cc\u0627\u0632 \u0628\u0647 \u0648\u0631\u0648\u062f\u06cc \u0646\u0633\u0628\u062a\u0627\u064b \u0628\u06a9\u0631 \u062f\u0627\u0631\u062f\u060c \u06a9\u0647 \u0622\u0646 \u0631\u0627 \u0628\u0631\u0627\u06cc \u0628\u0633\u06cc\u0627\u0631\u06cc \u0627\u0632 \u0645\u0648\u0627\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0639\u0645\u0644\u06cc \u0646\u0645\u06cc \u06a9\u0646\u062f.  \u0645\u062a\u062e\u0644\u0641 \u0627\u0635\u0644\u06cc \u06cc\u06a9 \u0622\u0633\u062a\u0627\u0646\u0647 \u062c\u0647\u0627\u0646\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0628\u0631\u0627\u06cc \u06a9\u0644 \u062a\u0635\u0648\u06cc\u0631 \u0627\u0639\u0645\u0627\u0644 \u0645\u06cc \u0634\u0648\u062f\u060c \u062f\u0631 \u062d\u0627\u0644\u06cc \u06a9\u0647 \u062a\u0635\u0627\u0648\u06cc\u0631 \u0628\u0647 \u0646\u062f\u0631\u062a \u0628\u0647 \u0627\u0646\u062f\u0627\u0632\u0647 \u06a9\u0627\u0641\u06cc \u06cc\u06a9\u0646\u0648\u0627\u062e\u062a \u0647\u0633\u062a\u0646\u062f \u062a\u0627 \u0622\u0633\u062a\u0627\u0646\u0647 \u0647\u0627\u06cc \u067e\u062a\u0648\u06cc\u06cc \u06a9\u0627\u0631 \u06a9\u0646\u0646\u062f\u060c \u0645\u06af\u0631 \u0627\u06cc\u0646\u06a9\u0647 \u0645\u0635\u0646\u0648\u0639\u06cc \u0628\u0627\u0634\u0646\u062f.<\/p>\n<p>\u06cc\u06a9 \u0622\u0633\u062a\u0627\u0646\u0647 \u062c\u0647\u0627\u0646\u06cc \u0628\u0647 \u062e\u0648\u0628\u06cc \u06a9\u0627\u0631 \u062e\u0648\u0627\u0647\u062f \u06a9\u0631\u062f \u0631\u0648\u06cc \u062c\u062f\u0627 \u06a9\u0631\u062f\u0646 \u0634\u062e\u0635\u06cc\u062a \u0647\u0627 \u062f\u0631 \u06cc\u06a9 \u06a9\u062a\u0627\u0628 \u0633\u06cc\u0627\u0647 \u0648 \u0633\u0641\u06cc\u062f\u060c \u0631\u0648\u06cc \u0635\u0641\u062d\u0627\u062a \u0627\u0633\u06a9\u0646 \u0634\u062f\u0647  \u06cc\u06a9 \u0622\u0633\u062a\u0627\u0646\u0647 \u062c\u0647\u0627\u0646\u06cc \u0628\u0647 \u0627\u062d\u062a\u0645\u0627\u0644 \u0632\u06cc\u0627\u062f \u0634\u06a9\u0633\u062a \u062e\u0648\u0627\u0647\u062f \u062e\u0648\u0631\u062f \u0631\u0648\u06cc \u0639\u06a9\u0633 \u06af\u0648\u0634\u06cc \u0627\u0632 \u0647\u0645\u06cc\u0646 page\u060c \u0627\u0632 \u0622\u0646\u062c\u0627\u06cc\u06cc \u06a9\u0647 \u0634\u0631\u0627\u06cc\u0637 \u0646\u0648\u0631 \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0628\u06cc\u0646 \u0628\u062e\u0634\u200c\u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641 \u0645\u062a\u063a\u06cc\u0631 \u0628\u0627\u0634\u062f page\u060c \u06cc\u06a9 \u0646\u0642\u0637\u0647 \u0628\u0631\u0634 \u062c\u0647\u0627\u0646\u06cc \u0631\u0627 \u0628\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0648\u0627\u0642\u0639\u06cc \u0628\u0633\u06cc\u0627\u0631 \u062d\u0633\u0627\u0633 \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<p>\u0628\u0631\u0627\u06cc \u0645\u0628\u0627\u0631\u0632\u0647 \u0628\u0627 \u0627\u06cc\u0646 &#8211; \u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u06a9\u0646\u06cc\u0645 <em>\u0645\u062d\u0644\u06cc<\/em> \u0622\u0633\u062a\u0627\u0646\u0647 \u0647\u0627\u060c \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u062a\u06a9\u0646\u06cc\u06a9\u06cc \u0628\u0647 \u0646\u0627\u0645 <em>\u0622\u0633\u062a\u0627\u0646\u0647 \u062a\u0637\u0628\u06cc\u0642\u06cc<\/em>.  \u0628\u0647\u200c\u062c\u0627\u06cc \u0627\u06cc\u0646\u06a9\u0647 \u062a\u0645\u0627\u0645 \u0642\u0633\u0645\u062a\u200c\u0647\u0627\u06cc \u062a\u0635\u0648\u06cc\u0631 \u0631\u0627 \u0628\u0627 \u06cc\u06a9 \u0642\u0627\u0646\u0648\u0646 \u0631\u0641\u062a\u0627\u0631 \u06a9\u0646\u06cc\u0645\u060c \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u0622\u0633\u062a\u0627\u0646\u0647 \u0631\u0627 \u0628\u0631\u0627\u06cc \u0647\u0631 \u06cc\u06a9 \u062a\u063a\u06cc\u06cc\u0631 \u062f\u0647\u06cc\u0645 <em>\u0645\u062d\u0644\u06cc<\/em> \u0628\u0627 \u06a9\u0633\u06cc \u06a9\u0647 \u0628\u0631\u0627\u06cc \u0622\u0646 \u0645\u0646\u0627\u0633\u0628 \u0628\u0647 \u0646\u0638\u0631 \u0645\u06cc \u0631\u0633\u062f.  \u0627\u06cc\u0646 \u0628\u0627\u0639\u062b \u0645\u06cc \u0634\u0648\u062f \u06a9\u0647 \u0622\u0633\u062a\u0627\u0646\u0647 \u062a\u0627 \u062d\u062f\u0648\u062f\u06cc \u0646\u0633\u0628\u062a \u0628\u0647 \u062a\u063a\u06cc\u06cc\u0631\u0627\u062a \u0646\u0648\u0631\u060c \u0646\u0648\u06cc\u0632 \u0648 \u0633\u0627\u06cc\u0631 \u0639\u0648\u0627\u0645\u0644 \u062a\u063a\u06cc\u06cc\u0631 \u0646\u06a9\u0646\u062f.  \u062f\u0631 \u062d\u0627\u0644\u06cc \u06a9\u0647 \u0628\u0633\u06cc\u0627\u0631 \u0645\u0641\u06cc\u062f\u062a\u0631 \u0627\u0632 \u0622\u0633\u062a\u0627\u0646\u0647 \u062c\u0647\u0627\u0646\u06cc \u0627\u0633\u062a\u060c \u0622\u0633\u062a\u0627\u0646\u0647 \u06af\u0630\u0627\u0631\u06cc \u0628\u0647 \u062e\u0648\u062f\u06cc \u062e\u0648\u062f \u06cc\u06a9 \u062a\u06a9\u0646\u06cc\u06a9 \u0645\u062d\u062f\u0648\u062f \u0648 \u0633\u0641\u062a \u0648 \u0633\u062e\u062a \u0627\u0633\u062a \u0648 \u0628\u0647 \u062c\u0627\u06cc \u062a\u0642\u0633\u06cc\u0645 \u0628\u0646\u062f\u06cc\u060c \u0628\u0631\u0627\u06cc \u06a9\u0645\u06a9 \u0628\u0647 \u067e\u06cc\u0634 \u067e\u0631\u062f\u0627\u0632\u0634 \u062a\u0635\u0648\u06cc\u0631 (\u0628\u0647 \u062e\u0635\u0648\u0635 \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u0646\u0648\u0628\u062a \u0628\u0647 \u0634\u0646\u0627\u0633\u0627\u06cc\u06cc \u062a\u0635\u0627\u0648\u06cc\u0631 \u0628\u0631\u0627\u06cc \u062f\u0648\u0631 \u0631\u06cc\u062e\u062a\u0646 \u0645\u06cc \u0634\u0648\u062f) \u0628\u0647\u062a\u0631 \u0627\u0633\u062a.<\/p>\n<p>\u0628\u0631\u0627\u06cc \u0628\u0631\u0646\u0627\u0645\u0647\u200c\u0647\u0627\u06cc \u0638\u0631\u06cc\u0641\u200c\u062a\u0631 \u06a9\u0647 \u0628\u0647 \u0632\u0645\u06cc\u0646\u0647 \u0646\u06cc\u0627\u0632 \u062f\u0627\u0631\u0646\u062f\u060c \u0628\u0647\u062a\u0631 \u0627\u0633\u062a \u0627\u0632 \u062a\u06a9\u0646\u06cc\u06a9\u200c\u0647\u0627\u06cc \u067e\u06cc\u0634\u0631\u0641\u062a\u0647\u200c\u062a\u0631\u060c \u0627\u0632 \u062c\u0645\u0644\u0647 \u06cc\u0627\u062f\u06af\u06cc\u0631\u06cc \u0639\u0645\u06cc\u0642\u060c \u06a9\u0647 \u0645\u0646\u062c\u0631 \u0628\u0647 \u067e\u06cc\u0634\u0631\u0641\u062a\u200c\u0647\u0627\u06cc \u0627\u062e\u06cc\u0631 \u062f\u0631 \u0628\u06cc\u0646\u0627\u06cc\u06cc \u0631\u0627\u06cc\u0627\u0646\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a\u060c \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f.<\/p>\n<h2 id=\"adaptivethresholdingwithopencv\"><span class=\"ez-toc-section\" id=\"%d8%a2%d8%b3%d8%aa%d8%a7%d9%86%d9%87_%d8%aa%d8%b7%d8%a8%db%8c%d9%82%db%8c_%e2%80%8b%e2%80%8b%d8%a8%d8%a7_opencv\"><\/span>\u0622\u0633\u062a\u0627\u0646\u0647 \u062a\u0637\u0628\u06cc\u0642\u06cc \u200b\u200b\u0628\u0627 OpenCV<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0628\u06cc\u0627\u06cc\u06cc\u062f \u062f\u0631 \u06cc\u06a9 \u062a\u0635\u0648\u06cc\u0631 \u0628\u0627 \u0634\u0631\u0627\u06cc\u0637 \u0646\u0648\u0631\u06cc \u0645\u062a\u063a\u06cc\u0631 \u0628\u0627\u0631\u06af\u0630\u0627\u0631\u06cc \u06a9\u0646\u06cc\u0645\u060c \u062c\u0627\u06cc\u06cc \u06a9\u0647 \u06cc\u06a9 \u0642\u0633\u0645\u062a \u0627\u0632 \u062a\u0635\u0648\u06cc\u0631 \u062f\u0631 \u0641\u0648\u06a9\u0648\u0633 \u0628\u06cc\u0634\u062a\u0631\u06cc \u0646\u0633\u0628\u062a \u0628\u0647 \u0642\u0633\u0645\u062a \u062f\u06cc\u06af\u0631 \u0642\u0631\u0627\u0631 \u062f\u0627\u0631\u062f \u0648 \u0639\u06a9\u0633 \u0627\u0632 \u0632\u0627\u0648\u06cc\u0647 \u06af\u0631\u0641\u062a\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a.  \u0639\u06a9\u0633\u06cc \u06a9\u0647 \u0645\u0646 \u0627\u0632 \u0647\u0627\u0631\u0648\u0644\u062f \u0645\u06a9 \u06af\u06cc \u06af\u0631\u0641\u062a\u0645 <em>&#8220;\u062f\u0631 \u0645\u0648\u0631\u062f \u063a\u0630\u0627 \u0648 \u0622\u0634\u067e\u0632\u06cc&#8221;<\/em> \u0639\u0627\u0644\u06cc \u062e\u062f\u0645\u062a \u062e\u0648\u0627\u0647\u062f \u06a9\u0631\u062f!<\/p>\n<pre><code class=\"hljs\">img = cv2.imread(<span class=\"hljs-string\">'book.jpg'<\/span>)\nimg = cv2.cvtColor(img, cv2.COLOR_BGR2RGB)\nplt.imshow(img)\n<\/code><\/pre>\n<p><img decoding=\"async\" src=\"https:\/\/rasanegar.com\/blog\/wp-content\/uploads\/2024\/01\/opencv-adaptive-thresholding-in-python-with-cv2adaptivethreshold-1.png\" alt=\"\" title=\"\"><\/p>\n<p>\u0627\u06a9\u0646\u0648\u0646\u060c \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0622\u0633\u062a\u0627\u0646\u0647 \u0645\u0639\u0645\u0648\u0644\u06cc\u060c \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u062d\u0631\u0648\u0641 \u0631\u0627 \u0627\u0632 \u067e\u0633\u200c\u0632\u0645\u06cc\u0646\u0647 \u062c\u062f\u0627 \u06a9\u0646\u06cc\u0645\u060c \u0632\u06cc\u0631\u0627 \u062a\u0641\u0627\u0648\u062a \u0631\u0646\u06af \u0648\u0627\u0636\u062d\u06cc \u0628\u06cc\u0646 \u0622\u0646\u0647\u0627 \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f.  \u062a\u0645\u0627\u0645 \u0631\u0646\u06af \u0647\u0627\u06cc \u06a9\u0627\u063a\u0630\u06cc \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u067e\u0633 \u0632\u0645\u06cc\u0646\u0647 \u062f\u0631 \u0646\u0638\u0631 \u06af\u0631\u0641\u062a\u0647 \u0645\u06cc \u0634\u0648\u0646\u062f.  \u0627\u0632 \u0622\u0646\u062c\u0627\u06cc\u06cc \u06a9\u0647 \u0645\u0627 \u0648\u0627\u0642\u0639\u0627\u064b \u0646\u0645\u06cc\u200c\u062f\u0627\u0646\u06cc\u0645 \u0622\u0633\u062a\u0627\u0646\u0647 \u0686\u0642\u062f\u0631 \u0628\u0627\u06cc\u062f \u0628\u0627\u0634\u062f &#8211; \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0631\u0648\u0634 Otsu \u0631\u0627 \u0628\u0631\u0627\u06cc \u06cc\u0627\u0641\u062a\u0646 \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 \u062e\u0648\u0628 \u0627\u0639\u0645\u0627\u0644 \u06a9\u0646\u06cc\u0645\u060c \u067e\u06cc\u0634\u200c\u0628\u06cc\u0646\u06cc \u0645\u06cc\u200c\u06a9\u0646\u06cc\u0645 \u06a9\u0647 \u062a\u0635\u0648\u06cc\u0631 \u062a\u0627 \u062d\u062f\u0648\u062f\u06cc \u062f\u0648 \u0648\u062c\u0647\u06cc \u0627\u0633\u062a (\u0639\u0645\u062f\u062a\u0627\u064b \u062f\u0648 \u0631\u0646\u06af \u0628\u0631 \u0622\u0646 \u063a\u0627\u0644\u0628 \u0647\u0633\u062a\u0646\u062f):<\/p>\n<pre><code class=\"hljs\">img = cv2.imread(<span class=\"hljs-string\">'book.jpg'<\/span>)\n\n\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, mask = cv2.threshold(blurred, <span class=\"hljs-number\">0<\/span>, <span class=\"hljs-number\">255<\/span>, cv2.THRESH_OTSU)\n<span class=\"hljs-built_in\">print<\/span>(<span class=\"hljs-string\">f'Threshold: <span class=\"hljs-subst\">{ret}<\/span>'<\/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\">5<\/span>))\nax(<span class=\"hljs-number\">0<\/span>).imshow(cv2.cvtColor(img, cv2.COLOR_BGR2RGB))\nax(<span class=\"hljs-number\">1<\/span>).imshow(cv2.cvtColor(mask, cv2.COLOR_BGR2RGB))\n<\/code><\/pre>\n<p>\u0628\u06cc\u0627\u06cc\u06cc\u062f \u0646\u06af\u0627\u0647\u06cc \u0628\u0647 \u0646\u062a\u06cc\u062c\u0647 \u0628\u06cc\u0627\u0646\u062f\u0627\u0632\u06cc\u0645:<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/rasanegar.com\/blog\/wp-content\/uploads\/2024\/01\/opencv-adaptive-thresholding-in-python-with-cv2adaptivethreshold-2.png\" alt=\"\" title=\"\"><\/p>\n<p>\u0622\u062e.  \u0642\u0633\u0645\u062a \u0633\u0645\u062a \u0686\u067e \u0645\u062a\u0646 \u0639\u0645\u062f\u062a\u0627\u064b \u0645\u062d\u0648 \u0634\u062f\u0647 \u0627\u0633\u062a\u060c \u0633\u0627\u06cc\u0647 \u0627\u0637\u0631\u0627\u0641 \u0646\u0627\u0648\u062f\u0627\u0646 \u06a9\u0627\u0645\u0644\u0627\u064b \u0628\u062e\u0634\u06cc \u0627\u0632 \u062a\u0635\u0648\u06cc\u0631 \u0631\u0627 \u062e\u0648\u0631\u062f\u0647 \u0627\u0633\u062a \u0648 \u0645\u062a\u0646 \u0628\u06cc\u0634 \u0627\u0632 \u062d\u062f \u0627\u0634\u0628\u0627\u0639 \u0634\u062f\u0647 \u0627\u0633\u062a!  \u0627\u06cc\u0646 \u06cc\u06a9 \u062a\u0635\u0648\u06cc\u0631 &#8220;\u062f\u0631 \u0637\u0628\u06cc\u0639\u062a&#8221; \u0627\u0633\u062a \u0648 \u0642\u0648\u0627\u0646\u06cc\u0646 \u06a9\u0644\u06cc \u0645\u0627\u0646\u0646\u062f \u0622\u0633\u062a\u0627\u0646\u0647 \u062c\u0647\u0627\u0646\u06cc \u0628\u0647 \u062e\u0648\u0628\u06cc \u06a9\u0627\u0631 \u0646\u0645\u06cc \u06a9\u0646\u0646\u062f.  \u0622\u0633\u062a\u0627\u0646\u0647 \u0686\u0642\u062f\u0631 \u0628\u0627\u06cc\u062f \u0628\u0627\u0634\u062f\u061f  \u0628\u0633\u062a\u06af\u06cc \u062f\u0627\u0631\u062f \u0631\u0648\u06cc \u0628\u062e\u0634\u06cc \u0627\u0632 \u062a\u0635\u0648\u06cc\u0631!<\/p>\n<p>\u0631\u0627 <code>cv2.adaptiveThreshold()<\/code> \u0631\u0648\u0634 \u0628\u0647 \u0645\u0627 \u0627\u0645\u06a9\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f \u062f\u0642\u06cc\u0642\u0627\u064b \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0631\u0627 \u0627\u0646\u062c\u0627\u0645 \u062f\u0647\u06cc\u0645:<\/p>\n<pre><code class=\"hljs\">cv2.adaptiveThreshold(img, \n                      max_value, \n                      adaptive_method, \n                      threshold_method, \n                      block_size, \n                      C)\n<\/code><\/pre>\n<p>\u0631\u0627 <code>adaptive_method<\/code> \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0628\u0627\u0634\u062f <code>cv2.ADAPTIVE_THRESH_MEAN_C<\/code> \u06cc\u0627 <code>cv2.ADAPTIVE_THRESH_GAUSSIAN_C<\/code>\u060c \u062c\u0627\u06cc\u06cc \u06a9\u0647 <code>C<\/code> \u0622\u062e\u0631\u06cc\u0646 \u0627\u0633\u062a\u062f\u0644\u0627\u0644\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0634\u0645\u0627 \u062a\u0639\u06cc\u06cc\u0646 \u06a9\u0631\u062f\u0647 \u0627\u06cc\u062f.  \u0647\u0631 \u062f\u0648\u06cc \u0627\u06cc\u0646 \u0631\u0648\u0634 \u0647\u0627 \u0622\u0633\u062a\u0627\u0646\u0647 \u0631\u0627 \u0628\u0627 \u062a\u0648\u062c\u0647 \u0628\u0647 \u0647\u0645\u0633\u0627\u06cc\u06af\u0627\u0646 \u067e\u06cc\u06a9\u0633\u0644 \u0645\u0648\u0631\u062f \u0646\u0638\u0631 \u0645\u062d\u0627\u0633\u0628\u0647 \u0645\u06cc \u06a9\u0646\u0646\u062f\u060c \u062c\u0627\u06cc\u06cc \u06a9\u0647 <code>block_size<\/code> \u062a\u0639\u062f\u0627\u062f \u0647\u0645\u0633\u0627\u06cc\u0647 \u0647\u0627\u06cc\u06cc \u0631\u0627 \u06a9\u0647 \u0628\u0627\u06cc\u062f \u062f\u0631 \u0646\u0638\u0631 \u06af\u0631\u0641\u062a\u0647 \u0634\u0648\u062f (\u0645\u0633\u0627\u062d\u062a \u0645\u062d\u0644\u0647) \u0631\u0627 \u062f\u06cc\u06a9\u062a\u0647 \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<blockquote>\n<p><code>ADAPTIVE_THRESH_MEAN_C<\/code>  \u0645\u06cc\u0627\u0646\u06af\u06cc\u0646 \u0647\u0645\u0633\u0627\u06cc\u06af\u0627\u0646 \u0631\u0627 \u0645\u06cc \u06af\u06cc\u0631\u062f \u0648 \u06a9\u0633\u0631 \u0645\u06cc \u06a9\u0646\u062f <code>C<\/code>\u060c \u062f\u0631 \u062d\u0627\u0644\u06cc \u06a9\u0647 <code>ADAPTIVE_THRESH_GAUSSIAN_C<\/code> \u062c\u0645\u0639 \u0648\u0632\u0646\u06cc \u06af\u0627\u0648\u0633\u06cc \u0647\u0645\u0633\u0627\u06cc\u06af\u0627\u0646 \u0631\u0627 \u0645\u06cc \u06af\u06cc\u0631\u062f \u0648 \u06a9\u0633\u0631 \u0645\u06cc \u06a9\u0646\u062f <code>C<\/code>.<\/p>\n<\/blockquote>\n<p>\u0647\u0645\u0686\u0646\u06cc\u0646 \u0628\u0647 \u0634\u0645\u0627 \u0627\u0645\u06a9\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f \u06cc\u06a9 \u0627\u0633\u062a\u0631\u0627\u062a\u0698\u06cc \u0628\u0627\u06cc\u0646\u0631\u06cc\u0632\u0647 \u0633\u0627\u0632\u06cc \u062a\u0646\u0638\u06cc\u0645 \u06a9\u0646\u06cc\u062f\u060c \u0627\u0645\u0627 \u0645\u062d\u062f\u0648\u062f \u0628\u0647 <code>THRESH_BINARY<\/code> \u0648 <code>THRESH_BINARY_INV<\/code>\u060c \u0648 \u062a\u063a\u06cc\u06cc\u0631 \u0628\u06cc\u0646 \u0622\u0646\u0647\u0627 \u0628\u0647 \u0637\u0648\u0631 \u0645\u0648\u062b\u0631 \u0622\u0646\u0686\u0647 &#8220;\u067e\u0633 \u0632\u0645\u06cc\u0646\u0647&#8221; \u0648 \u0622\u0646\u0686\u0647 &#8220;\u067e\u06cc\u0634 \u0632\u0645\u06cc\u0646\u0647&#8221; \u0627\u0633\u062a \u062a\u063a\u06cc\u06cc\u0631 \u0645\u06cc \u062f\u0647\u062f.<\/p>\n<p>\u0627\u06cc\u0646 \u0631\u0648\u0634 \u0641\u0642\u0637 \u0645\u0627\u0633\u06a9 \u0631\u0627 \u0628\u0631\u0627\u06cc \u062a\u0635\u0648\u06cc\u0631 \u0628\u0631\u0645\u06cc\u200c\u06af\u0631\u062f\u0627\u0646\u062f &#8211; \u0646\u0647 \u06a9\u062f \u0628\u0627\u0632\u06af\u0634\u062a\u06cc \u0648 \u0645\u0627\u0633\u06a9.  \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0622\u0633\u062a\u0627\u0646\u0647 \u062a\u0637\u0628\u06cc\u0642\u06cc\u060c \u06a9\u0627\u0631\u0627\u06a9\u062a\u0631\u0647\u0627 \u0631\u0627 \u062f\u0631 \u0647\u0645\u0627\u0646 \u062a\u0635\u0648\u06cc\u0631 \u0642\u0628\u0644\u06cc \u062a\u0642\u0633\u06cc\u0645 \u0628\u0646\u062f\u06cc \u06a9\u0646\u06cc\u0645:<\/p>\n<pre><code class=\"hljs\">\nimg = cv2.imread(<span class=\"hljs-string\">'book.jpg'<\/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\n\nmask = cv2.adaptiveThreshold(blurred, \n                              <span class=\"hljs-number\">255<\/span>, \n                              cv2.ADAPTIVE_THRESH_MEAN_C, \n                              cv2.THRESH_BINARY, \n                              <span class=\"hljs-number\">31<\/span>, \n                              <span class=\"hljs-number\">10<\/span>)\n\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\">5<\/span>))\nax(<span class=\"hljs-number\">0<\/span>).imshow(cv2.cvtColor(img, cv2.COLOR_BGR2RGB))\nax(<span class=\"hljs-number\">1<\/span>).imshow(cv2.cvtColor(mask, cv2.COLOR_BGR2RGB))\nplt.tight_layout()\n<\/code><\/pre>\n<p>\u0627\u06cc\u0646 \u0645\u0646\u062c\u0631 \u0628\u0647 \u06cc\u06a9 \u062a\u0635\u0648\u06cc\u0631 \u0628\u0633\u06cc\u0627\u0631 \u062a\u0645\u06cc\u0632\u062a\u0631 \u0645\u06cc \u0634\u0648\u062f:<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/rasanegar.com\/blog\/wp-content\/uploads\/2024\/01\/opencv-adaptive-thresholding-in-python-with-cv2adaptivethreshold-3.png\" alt=\"\" title=\"\"><\/p>\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> \u0631\u0627 <code>block_size<\/code> \u0622\u0631\u06af\u0648\u0645\u0627\u0646 \u0628\u0627\u06cc\u062f \u06cc\u06a9 \u0639\u062f\u062f \u0646\u0627\u0647\u0645\u0648\u0627\u0631 \u0628\u0627\u0634\u062f.<\/p>\n<\/p><\/div><\/div><\/div>\n<p>\u0628\u0647 \u0647\u0645\u06cc\u0646 \u062a\u0631\u062a\u06cc\u0628\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0622\u0633\u062a\u0627\u0646\u0647 \u06af\u0627\u0648\u0633\u06cc \u0631\u0627 \u0627\u0639\u0645\u0627\u0644 \u06a9\u0646\u06cc\u0645:<\/p>\n<pre><code class=\"hljs\">mask = cv2.adaptiveThreshold(blurred, \n                              <span class=\"hljs-number\">255<\/span>, \n                              cv2.ADAPTIVE_THRESH_GAUSSIAN_C, \n                              cv2.THRESH_BINARY, \n                              <span class=\"hljs-number\">31<\/span>, \n                              <span class=\"hljs-number\">10<\/span>)\n<\/code><\/pre>\n<p>\u06a9\u0647 \u062f\u0631 \u067e\u0627\u06cc\u0627\u0646 \u06cc\u06a9 \u062a\u0635\u0648\u06cc\u0631 \u0628\u0633\u06cc\u0627\u0631 \u0631\u0636\u0627\u06cc\u062a \u0628\u062e\u0634 \u0646\u06cc\u0632 \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u06a9\u0646\u062f:<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/rasanegar.com\/blog\/wp-content\/uploads\/2024\/01\/opencv-adaptive-thresholding-in-python-with-cv2adaptivethreshold-4.png\" alt=\"\" title=\"\"><\/p>\n<p>\u0647\u0631 \u062f\u0648 \u0627\u0646\u062f\u0627\u0632\u0647 \u0628\u0644\u0648\u06a9 (\u0645\u0646\u0637\u0642\u0647 \u0647\u0645\u0633\u0627\u06cc\u0647) \u0648 <code>C<\/code> \u0641\u0631\u0627\u067e\u0627\u0631\u0627\u0645\u062a\u0631\u0647\u0627\u06cc\u06cc \u0628\u0631\u0627\u06cc \u062a\u0646\u0638\u06cc\u0645 \u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u0647\u0633\u062a\u0646\u062f.  \u0645\u0642\u0627\u062f\u06cc\u0631 \u0645\u062e\u062a\u0644\u0641 \u0631\u0627 \u0627\u0645\u062a\u062d\u0627\u0646 \u06a9\u0646\u06cc\u062f \u0648 \u0628\u0647\u062a\u0631\u06cc\u0646 \u0631\u0627 \u0627\u0646\u062a\u062e\u0627\u0628 \u06a9\u0646\u06cc\u062f \u0631\u0648\u06cc \u062a\u0635\u0648\u06cc\u0631 \u0634\u0645\u0627  \u0628\u0647 \u0637\u0648\u0631 \u06a9\u0644\u06cc\u060c \u0622\u0633\u062a\u0627\u0646\u0647 \u06af\u0627\u0648\u0633\u06cc \u062d\u0633\u0627\u0633\u06cc\u062a \u06a9\u0645\u062a\u0631\u06cc \u0646\u0633\u0628\u062a \u0628\u0647 \u0646\u0648\u06cc\u0632 \u062f\u0627\u0631\u062f \u0648 \u062a\u0635\u0627\u0648\u06cc\u0631 \u06a9\u0645\u06cc \u062a\u06cc\u0631\u0647 \u062a\u0631 \u0648 \u062a\u0645\u06cc\u0632\u062a\u0631 \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u06a9\u0646\u062f\u060c \u0627\u0645\u0627 \u0627\u06cc\u0646 \u0645\u062a\u0641\u0627\u0648\u062a \u0627\u0633\u062a \u0648 \u0628\u0633\u062a\u06af\u06cc \u062f\u0627\u0631\u062f. \u0631\u0648\u06cc \u0648\u0631\u0648\u062f\u06cc.<\/p>\n<h2 id=\"limitationsofadaptivethresholding\"><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_%d8%a2%d8%b3%d8%aa%d8%a7%d9%86%d9%87_%d8%aa%d8%b7%d8%a8%db%8c%d9%82%db%8c\"><\/span>\u0645\u062d\u062f\u0648\u062f\u06cc\u062a \u0647\u0627\u06cc \u0622\u0633\u062a\u0627\u0646\u0647 \u062a\u0637\u0628\u06cc\u0642\u06cc<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0628\u0627 \u0622\u0633\u062a\u0627\u0646\u0647 \u062a\u0637\u0628\u06cc\u0642\u06cc\u060c \u0645\u0627 \u062a\u0648\u0627\u0646\u0633\u062a\u06cc\u0645 \u0627\u0632 \u0645\u062d\u062f\u0648\u062f\u06cc\u062a \u0641\u0631\u0627\u06af\u06cc\u0631 \u0622\u0633\u062a\u0627\u0646\u0647 \u0627\u062c\u062a\u0646\u0627\u0628 \u06a9\u0646\u06cc\u0645\u060c \u0627\u0645\u0627 \u0647\u0646\u0648\u0632 \u0647\u0645 \u0646\u0633\u0628\u062a\u0627\u064b \u0633\u0641\u062a \u0648 \u0633\u062e\u062a \u0627\u0633\u062a \u0648 \u0628\u0631\u0627\u06cc \u0648\u0631\u0648\u062f\u06cc \u0647\u0627\u06cc \u0631\u0646\u06af\u0627\u0631\u0646\u06af \u0639\u0627\u0644\u06cc \u06a9\u0627\u0631 \u0646\u0645\u06cc \u06a9\u0646\u062f.  \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644\u060c \u0627\u06af\u0631 \u062a\u0635\u0648\u06cc\u0631\u06cc \u0627\u0632 \u0642\u06cc\u0686\u06cc \u0648 \u06cc\u06a9 \u06a9\u06cc\u062a \u06a9\u0648\u0686\u06a9 \u0628\u0627 \u0631\u0646\u06af\u200c\u0647\u0627\u06cc \u0645\u062a\u0641\u0627\u0648\u062a \u0628\u0627\u0631\u06af\u0630\u0627\u0631\u06cc \u06a9\u0646\u06cc\u0645\u060c \u062d\u062a\u06cc \u0622\u0633\u062a\u0627\u0646\u0647 \u062a\u0637\u0628\u06cc\u0642\u06cc \u200b\u200b\u0646\u06cc\u0632 \u0628\u0627 \u0645\u0634\u06a9\u0644\u0627\u062a\u06cc \u062f\u0631 \u062a\u0642\u0633\u06cc\u0645\u200c\u0628\u0646\u062f\u06cc \u062f\u0631\u0633\u062a \u0622\u0646\u060c \u0628\u0627 \u0645\u0634\u062e\u0635 \u0634\u062f\u0646 \u0628\u0631\u062e\u06cc \u0648\u06cc\u0698\u06af\u06cc\u200c\u0647\u0627\u06cc \u062a\u0627\u0631\u06cc\u06a9\u060c \u0627\u0645\u0627 \u0628\u062f\u0648\u0646 \u062f\u0631 \u0646\u0638\u0631 \u06af\u0631\u0641\u062a\u0646 \u06a9\u0644 \u0627\u0634\u06cc\u0627\u0621\u060c \u0628\u0627 \u0645\u0634\u06a9\u0644\u0627\u062a\u06cc \u0645\u0648\u0627\u062c\u0647 \u062e\u0648\u0627\u0647\u062f \u0634\u062f:<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/rasanegar.com\/blog\/wp-content\/uploads\/2024\/01\/opencv-adaptive-thresholding-in-python-with-cv2adaptivethreshold-5.png\" alt=\"\" title=\"\"><\/p>\n<p>\u0627\u06af\u0631 \u0627\u0646\u062f\u0627\u0632\u0647 \u0628\u0644\u0648\u06a9 \u0648 <code>C<\/code>\u060c \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u0648\u0635\u0644\u0647\u200c\u0647\u0627\u06cc \u0628\u0632\u0631\u06af\u200c\u062a\u0631 \u0631\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0628\u062e\u0634\u06cc \u0627\u0632 \u06cc\u06a9 \u0634\u06cc \u062f\u0631 \u0646\u0638\u0631 \u0628\u06af\u06cc\u0631\u06cc\u0645\u060c \u0627\u0645\u0627 \u0633\u067e\u0633 \u0628\u0627 \u0627\u06cc\u062c\u0627\u062f \u0627\u0646\u062f\u0627\u0632\u0647\u200c\u0647\u0627\u06cc \u0647\u0645\u0633\u0627\u06cc\u0647 \u0628\u0627 \u0645\u0634\u06a9\u0644\u0627\u062a\u06cc \u0645\u0648\u0627\u062c\u0647 \u0634\u0648\u06cc\u0645. <em>\u0628\u06cc\u0634 \u0627\u0632 \u062d\u062f \u062c\u0647\u0627\u0646\u06cc<\/em>\u060c \u0628\u0627\u0632\u06af\u0634\u062a \u0628\u0647 \u0647\u0645\u0627\u0646 \u0645\u0633\u0627\u0626\u0644 \u06a9\u0644\u06cc \u062f\u0631 \u0645\u0648\u0631\u062f \u0622\u0633\u062a\u0627\u0646\u0647 \u062c\u0647\u0627\u0646\u06cc:<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/rasanegar.com\/blog\/wp-content\/uploads\/2024\/01\/opencv-adaptive-thresholding-in-python-with-cv2adaptivethreshold-6.png\" alt=\"\" title=\"\"><\/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 \u0648 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0622\u0633\u062a\u0627\u0646\u0647 \u062a\u0637\u0628\u06cc\u0642\u06cc \u200b\u200b\u0628\u0647 \u062c\u0627\u06cc \u0627\u0633\u062a\u0631\u0627\u062a\u0698\u06cc \u0647\u0627\u06cc \u0622\u0633\u062a\u0627\u0646\u0647 \u062c\u0647\u0627\u0646\u06cc\u060c \u0628\u0627 \u0628\u0631\u062e\u06cc \u0627\u0632 \u0645\u062d\u062f\u0648\u062f\u06cc\u062a \u0647\u0627 \u0645\u0628\u0627\u0631\u0632\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 07:59:04<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;13844&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;\u0622\u0633\u062a\u0627\u0646\u0647 \u062a\u0637\u0628\u06cc\u0642\u06cc \u200b\u200bOpenCV \u062f\u0631 \u067e\u0627\u06cc\u062a\u0648\u0646 \u0628\u0627 ()cv2.adaptiveThreshold&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\"> 4<\/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 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