{"id":3349,"date":"2021-07-23T09:51:28","date_gmt":"2021-07-23T09:51:28","guid":{"rendered":"https:\/\/www.bearloga.space\/?page_id=3349"},"modified":"2021-07-23T09:51:29","modified_gmt":"2021-07-23T09:51:29","slug":"opencv-obnaruzhenie-ostryh-kromok","status":"publish","type":"page","link":"https:\/\/www.bearloga.space\/en\/opencv-obnaruzhenie-ostryh-kromok\/","title":{"rendered":"OpenCV \u2014 \u043e\u0431\u043d\u0430\u0440\u0443\u0436\u0435\u043d\u0438\u0435 \u043e\u0441\u0442\u0440\u044b\u0445 \u043a\u0440\u043e\u043c\u043e\u043a"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Canny Edge Detection \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u0434\u043b\u044f \u043e\u0431\u043d\u0430\u0440\u0443\u0436\u0435\u043d\u0438\u044f \u043a\u0440\u0430\u0435\u0432 \u043d\u0430 \u0438\u0437\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u0438\u0438.&nbsp;\u041e\u043d \u043f\u0440\u0438\u043d\u0438\u043c\u0430\u0435\u0442 \u0438\u0437\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u0438\u0435 \u0432 \u0433\u0440\u0430\u0434\u0430\u0446\u0438\u044f\u0445 \u0441\u0435\u0440\u043e\u0433\u043e \u0432 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u0432\u0445\u043e\u0434\u043d\u044b\u0445 \u0434\u0430\u043d\u043d\u044b\u0445 \u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442 \u043c\u043d\u043e\u0433\u043e\u0441\u0442\u0443\u043f\u0435\u043d\u0447\u0430\u0442\u044b\u0439 \u0430\u043b\u0433\u043e\u0440\u0438\u0442\u043c.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0412\u044b \u043c\u043e\u0436\u0435\u0442\u0435 \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u044d\u0442\u0443 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u044e \u043d\u0430\u0434 \u0438\u0437\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u0438\u0435\u043c, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044f \u043c\u0435\u0442\u043e\u0434&nbsp;<strong>Canny ()<\/strong>&nbsp;\u043a\u043b\u0430\u0441\u0441\u0430&nbsp;<strong>imgproc<\/strong>&nbsp;, \u043d\u0438\u0436\u0435 \u043f\u0440\u0438\u0432\u0435\u0434\u0435\u043d \u0441\u0438\u043d\u0442\u0430\u043a\u0441\u0438\u0441 \u044d\u0442\u043e\u0433\u043e \u043c\u0435\u0442\u043e\u0434\u0430.<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">Canny(image, edges, threshold1, threshold2)\n<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u042d\u0442\u043e\u0442 \u043c\u0435\u0442\u043e\u0434 \u043f\u0440\u0438\u043d\u0438\u043c\u0430\u0435\u0442 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0435 \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u044b \u2014<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>image<\/strong>&nbsp;\u2014 \u041e\u0431\u044a\u0435\u043a\u0442&nbsp;<strong>Mat,<\/strong>&nbsp;\u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0449\u0438\u0439 \u0438\u0441\u0442\u043e\u0447\u043d\u0438\u043a (\u0432\u0445\u043e\u0434\u043d\u043e\u0435 \u0438\u0437\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u0438\u0435) \u0434\u043b\u044f \u044d\u0442\u043e\u0439 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438.<\/li><li><strong>\u0440\u0435\u0431\u0440\u0430<\/strong>&nbsp;\u2014 \u043e\u0431\u044a\u0435\u043a\u0442&nbsp;<strong>Mat,<\/strong>&nbsp;\u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0449\u0438\u0439 \u043f\u0443\u043d\u043a\u0442 \u043d\u0430\u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f (\u0440\u0435\u0431\u0440\u0430) \u0434\u043b\u044f \u044d\u0442\u043e\u0439 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438.<\/li><li><strong>threshold1<\/strong>&nbsp;\u2014 \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u0430\u044f \u0442\u0438\u043f\u0430 double, \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0449\u0430\u044f \u043f\u0435\u0440\u0432\u044b\u0439 \u043f\u043e\u0440\u043e\u0433 \u0434\u043b\u044f \u043f\u0440\u043e\u0446\u0435\u0434\u0443\u0440\u044b \u0433\u0438\u0441\u0442\u0435\u0440\u0435\u0437\u0438\u0441\u0430.<\/li><li><strong>threshold2<\/strong>&nbsp;\u2014 \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u0430\u044f \u0442\u0438\u043f\u0430 double, \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0449\u0430\u044f \u0432\u0442\u043e\u0440\u043e\u0439 \u043f\u043e\u0440\u043e\u0433 \u0434\u043b\u044f \u043f\u0440\u043e\u0446\u0435\u0434\u0443\u0440\u044b \u0433\u0438\u0441\u0442\u0435\u0440\u0435\u0437\u0438\u0441\u0430.<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>image<\/strong>&nbsp;\u2014 \u041e\u0431\u044a\u0435\u043a\u0442&nbsp;<strong>Mat,<\/strong>&nbsp;\u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0449\u0438\u0439 \u0438\u0441\u0442\u043e\u0447\u043d\u0438\u043a (\u0432\u0445\u043e\u0434\u043d\u043e\u0435 \u0438\u0437\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u0438\u0435) \u0434\u043b\u044f \u044d\u0442\u043e\u0439 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u0440\u0435\u0431\u0440\u0430<\/strong>\u00a0\u2014 \u043e\u0431\u044a\u0435\u043a\u0442\u00a0<strong>Mat,<\/strong>\u00a0\u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0449\u0438\u0439 \u043f\u0443\u043d\u043a\u0442 \u043d\u0430\u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f (\u0440\u0435\u0431\u0440\u0430) \u0434\u043b\u044f \u044d\u0442\u043e\u0439 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>threshold1<\/strong>&nbsp;\u2014 \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u0430\u044f \u0442\u0438\u043f\u0430 double, \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0449\u0430\u044f \u043f\u0435\u0440\u0432\u044b\u0439 \u043f\u043e\u0440\u043e\u0433 \u0434\u043b\u044f \u043f\u0440\u043e\u0446\u0435\u0434\u0443\u0440\u044b \u0433\u0438\u0441\u0442\u0435\u0440\u0435\u0437\u0438\u0441\u0430.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>threshold2<\/strong>&nbsp;\u2014 \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u0430\u044f \u0442\u0438\u043f\u0430 double, \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0449\u0430\u044f \u0432\u0442\u043e\u0440\u043e\u0439 \u043f\u043e\u0440\u043e\u0433 \u0434\u043b\u044f \u043f\u0440\u043e\u0446\u0435\u0434\u0443\u0440\u044b \u0433\u0438\u0441\u0442\u0435\u0440\u0435\u0437\u0438\u0441\u0430.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u043f\u0440\u0438\u043c\u0435\u0440<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0421\u043b\u0435\u0434\u0443\u044e\u0449\u0430\u044f \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0430 \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043f\u0440\u0438\u043c\u0435\u0440\u043e\u043c, \u0434\u0435\u043c\u043e\u043d\u0441\u0442\u0440\u0438\u0440\u0443\u044e\u0449\u0438\u043c, \u043a\u0430\u043a \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u044e Canny Edge Detection \u0434\u043b\u044f \u0434\u0430\u043d\u043d\u043e\u0433\u043e \u0438\u0437\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u0438\u044f.<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">import org.opencv.core.Core;\nimport org.opencv.core.Mat;\n\nimport org.opencv.imgcodecs.Imgcodecs;\nimport org.opencv.imgproc.Imgproc;\n\npublic class CannyEdgeDetection {\n   public static void main(String args[]) throws Exception {\n      \/\/ Loading the OpenCV core library\n      System.loadLibrary(Core.NATIVE_LIBRARY_NAME);\n\n      \/\/ Reading the Image from the file and storing it in to a Matrix object\n      String file = \"E:\/OpenCV\/chap17\/canny_input.jpg\";\n\n      \/\/ Reading the image\n      Mat src = Imgcodecs.imread(file);\n\n      \/\/ Creating an empty matrix to store the result\n      Mat gray = new Mat();\n\n      \/\/ Converting the image from color to Gray\n      Imgproc.cvtColor(src, gray, Imgproc.COLOR_BGR2GRAY);\n      Mat edges = new Mat();\n\n      \/\/ Detecting the edges\n      Imgproc.Canny(gray, edges, 60, 60*3);\n\n      \/\/ Writing the image\n      Imgcodecs.imwrite(\"E:\/OpenCV\/chap17\/canny_output.jpg\", edges);\n      System.out.println(\"Image Loaded\");\n   } \n}<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u041f\u0440\u0435\u0434\u043f\u043e\u043b\u043e\u0436\u0438\u043c, \u0447\u0442\u043e \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u043c \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0432\u0445\u043e\u0434\u043d\u043e\u0435 \u0438\u0437\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u0438\u0435&nbsp;<strong>canny_input.jpg,<\/strong>&nbsp;\u0443\u043a\u0430\u0437\u0430\u043d\u043d\u043e\u0435 \u0432 \u0432\u044b\u0448\u0435\u0443\u043a\u0430\u0437\u0430\u043d\u043d\u043e\u0439 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0435.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/coderlessons.com\/wp-content\/uploads\/2019\/07\/canny_input.jpg\" alt=\"Canny Input\"\/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u0412\u044b\u0445\u043e\u0434<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0412\u044b\u043f\u043e\u043b\u043d\u0438\u0432 \u0432\u044b\u0448\u0435\u0443\u043a\u0430\u0437\u0430\u043d\u043d\u0443\u044e \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0443, \u0432\u044b \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u0435 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0439 \u0432\u044b\u0432\u043e\u0434:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">Image Processed<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>Canny Edge Detection \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u0434\u043b\u044f \u043e\u0431\u043d\u0430\u0440\u0443\u0436\u0435\u043d\u0438\u044f \u043a\u0440\u0430\u0435\u0432 \u043d\u0430 \u0438\u0437\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u0438\u0438.&nbsp;\u041e\u043d \u043f\u0440\u0438\u043d\u0438\u043c\u0430\u0435\u0442 \u0438\u0437\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u0438\u0435 \u0432 \u0433\u0440\u0430\u0434\u0430\u0446\u0438\u044f\u0445 \u0441\u0435\u0440\u043e\u0433\u043e \u0432 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u0432\u0445\u043e\u0434\u043d\u044b\u0445 \u0434\u0430\u043d\u043d\u044b\u0445 \u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"categories":[108],"tags":[],"class_list":["post-3349","page","type-page","status-publish","hentry","category-opencv"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.bearloga.space\/en\/wp-json\/wp\/v2\/pages\/3349","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bearloga.space\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.bearloga.space\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.bearloga.space\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bearloga.space\/en\/wp-json\/wp\/v2\/comments?post=3349"}],"version-history":[{"count":0,"href":"https:\/\/www.bearloga.space\/en\/wp-json\/wp\/v2\/pages\/3349\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.bearloga.space\/en\/wp-json\/wp\/v2\/media?parent=3349"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bearloga.space\/en\/wp-json\/wp\/v2\/categories?post=3349"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bearloga.space\/en\/wp-json\/wp\/v2\/tags?post=3349"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}