{"id":45272,"date":"2021-07-27T09:02:55","date_gmt":"2021-07-27T00:02:55","guid":{"rendered":"https:\/\/www.charlezz.com\/?p=45272"},"modified":"2021-07-27T09:02:55","modified_gmt":"2021-07-27T00:02:55","slug":"%ec%95%88%eb%93%9c%eb%a1%9c%ec%9d%b4%eb%93%9c%eb%a1%9c-%eb%b0%b0%ec%9a%b0%eb%8a%94-opencv-%ec%9d%b4%eb%af%b8%ec%a7%80%ec%9d%98-%ec%9d%b4%ec%a7%84%ed%99%94","status":"publish","type":"post","link":"https:\/\/charlezz.com\/?p=45272","title":{"rendered":"[\uc548\ub4dc\ub85c\uc774\ub4dc\ub85c \ubc30\uc6b0\ub294 OpenCV] \uc774\ubbf8\uc9c0\uc758 \uc774\uc9c4\ud654"},"content":{"rendered":"<h1><a href=\"https:\/\/www.charlezz.com\/wordpress\/wp-content\/uploads\/2021\/07\/www.charlezz.com-opencv-thresholdinggood.jpg\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/www.charlezz.com\/wordpress\/wp-content\/uploads\/2021\/07\/www.charlezz.com-opencv-thresholdinggood-1024x1024.jpg\" alt=\"\" width=\"750\" height=\"750\" class=\"alignnone size-large wp-image-45280\" srcset=\"https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/07\/www.charlezz.com-opencv-thresholdinggood-1024x1024.jpg 1024w, https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/07\/www.charlezz.com-opencv-thresholdinggood-150x150.jpg 150w, https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/07\/www.charlezz.com-opencv-thresholdinggood-300x300.jpg 300w, https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/07\/www.charlezz.com-opencv-thresholdinggood-768x768.jpg 768w, https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/07\/www.charlezz.com-opencv-thresholdinggood.jpg 1240w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/a><\/h1>\n<h1>\uc774\ubbf8\uc9c0\uc758 \uc774\uc9c4\ud654(Binarization)\ub780?<\/h1>\n<p>\uc774\ubbf8\uc9c0\uc758 \ud53d\uc140 \uac12\uc744 0 \ub610\ub294 255\ub85c \ubcc0\ud658\ud558\ub294 \uc5f0\uc0b0\uc744 \ub9d0\ud55c\ub2e4. \ubcc0\ud658\ub41c \uc774\uc9c4 \uc774\ubbf8\uc9c0\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \ubaa9\uc801\uc744 \uc218\ud589\ud558\ub294\ub370 \uc801\ud569\ud558\ub2e4.<\/p>\n<ul>\n<li><strong>\ubc30\uacbd(Background)<\/strong>\uacfc <strong>\uac1d\uccb4(Object)<\/strong> \uad6c\ubd84\ud558\uae30<\/li>\n<li><strong>\uad00\uc2ec \uc601\uc5ed<\/strong>\uacfc <strong>\ube44\uad00\uc2ec \uc601\uc5ed<\/strong> \uac00\ub974\uae30<\/li>\n<\/ul>\n<p>\uc774\ubbf8\uc9c0\uc758 \uc774\uc9c4\ud654\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \ud68c\uc0c9\uc870(grayscale) \uc774\ubbf8\uc9c0\ub85c \ud558\uba70, \ud53d\uc140\uc758 \uac12\uc744 \uacb0\uc815\ud558\uae30 \uc704\ud574 \uc784\uacc4\uac12(threshold)\uc744 \uc815\ud558\uac8c \ub41c\ub2e4.\u00a0<\/p>\n<h2>Threshold<\/h2>\n<p>\uc784\uacc4\uac12(T)\ub97c \ud1b5\ud574 \uc774\ubbf8\uc9c0(I)\uc758 \ud53d\uc140\uac12\uc744 0 \ub610\ub294 255\ub85c \uacb0\uc815\ud560\ud150\ub370 \uc774\ub97c \ubc29\uc815\uc2dd\uc73c\ub85c \ub098\ud0c0\ub0b4\uba74 \ub2e4\uc74c\uacfc \uac19\ub2e4.<\/p>\n<p><a href=\"https:\/\/www.charlezz.com\/wordpress\/wp-content\/uploads\/2021\/07\/www.charlezz.com-opencv-charlezz-2021-07-26--9.29.19.png\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/www.charlezz.com\/wordpress\/wp-content\/uploads\/2021\/07\/www.charlezz.com-opencv-charlezz-2021-07-26--9.29.19.png\" alt=\"\" width=\"570\" height=\"136\" class=\"alignnone size-full wp-image-45274\" srcset=\"https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/07\/www.charlezz.com-opencv-charlezz-2021-07-26--9.29.19.png 570w, https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/07\/www.charlezz.com-opencv-charlezz-2021-07-26--9.29.19-300x72.png 300w\" sizes=\"(max-width: 570px) 100vw, 570px\" \/><\/a><\/p>\n<p>\uc784\uacc4\uac12\uc5d0\u00a0 \ub530\ub77c \ub2e4\uc74c\uacfc \uac19\uc740 \uc774\uc9c4\ud654\ub41c \uc774\ubbf8\uc9c0 \uacb0\uacfc\ub97c \uc5bb\uac8c \ub41c\ub2e4.<\/p>\n<p>\uc608 ) T1 = 60, T2 = 180<\/p>\n<p><a href=\"https:\/\/www.charlezz.com\/wordpress\/wp-content\/uploads\/2021\/07\/www.charlezz.com-opencv-threshold.png\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/www.charlezz.com\/wordpress\/wp-content\/uploads\/2021\/07\/www.charlezz.com-opencv-threshold.png\" alt=\"\" width=\"741\" height=\"452\" class=\"alignnone size-full wp-image-45275\" srcset=\"https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/07\/www.charlezz.com-opencv-threshold.png 741w, https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/07\/www.charlezz.com-opencv-threshold-300x183.png 300w\" sizes=\"(max-width: 741px) 100vw, 741px\" \/><\/a><\/p>\n<p>OpenCV\uc5d0\uc11c \uc81c\uacf5\ud558\ub294 \uc774\uc9c4\ud654 \ud568\uc218\ub294 \ub2e4\uc74c\uacfc \uac19\ub2e4.<\/p>\n<pre class=\"\"><span>Imgproc.threshold<\/span>(\r\n    Mat src<span>, <\/span>Mat dst<span>, \r\n    double <\/span>thresh<span>, double <\/span>maxval<span>, \r\n    int <\/span>type\r\n)<\/pre>\n<pre class=\"\">src : \uc6d0\ubcf8 \uc774\ubbf8\uc9c0\r\ndst : \ucd9c\ub825 \uc774\ubbf8\uc9c0\r\nthresh : \uc784\uacc4\uac12\r\nmaxval : \ucd5c\ub300 \uc784\uacc4\uac12. \uc77c\ubc18\uc801\uc73c\ub85c \ud68c\uc0c9\uc870 \uc774\ubbf8\uc9c0\uc758 \ud53d\uc140\uac12\uc740 \ucd5c\ub300 255\ub97c \uac00\uc9c0\ubbc0\ub85c \ubcf4\ud1b5 255\ub85c \uc9c0\uc815\ud55c\ub2e4.\r\ntype : \uc784\uacc4\uac12 \ud0c0\uc785<\/pre>\n<p><a href=\"https:\/\/docs.opencv.org\/4.5.2\/d7\/d1b\/group__imgproc__misc.html#gaa9e58d2860d4afa658ef70a9b1115576\">\uc784\uacc4\uac12 \ud0c0\uc785<\/a>\uc73c\ub85c\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \ub0b4\uc6a9\ub4e4\uc744 \uc81c\uacf5\ud558\uace0 \uc788\ub2e4. (\uc704\uc758 \uc608\uc81c\uc5d0\uc11c\ub294 THRESH_BINARY\ub97c \uc0ac\uc6a9\ud568)<\/p>\n<p><a href=\"https:\/\/www.charlezz.com\/wordpress\/wp-content\/uploads\/2021\/07\/www.charlezz.com-opencv-charlezz-2021-07-26--10.33.09.png\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/www.charlezz.com\/wordpress\/wp-content\/uploads\/2021\/07\/www.charlezz.com-opencv-charlezz-2021-07-26--10.33.09-1024x578.png\" alt=\"\" width=\"750\" height=\"423\" class=\"alignnone size-large wp-image-45278\" srcset=\"https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/07\/www.charlezz.com-opencv-charlezz-2021-07-26--10.33.09-1024x578.png 1024w, https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/07\/www.charlezz.com-opencv-charlezz-2021-07-26--10.33.09-300x169.png 300w, https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/07\/www.charlezz.com-opencv-charlezz-2021-07-26--10.33.09-768x433.png 768w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/a><\/p>\n<div style=\"width: 750px;\" class=\"wp-video\"><!--[if lt IE 9]><script>document.createElement('video');<\/script><![endif]--><br \/>\n<video class=\"wp-video-shortcode\" id=\"video-45272-1\" width=\"750\" height=\"1350\" loop=\"1\" preload=\"metadata\" controls=\"controls\"><source type=\"video\/mp4\" src=\"https:\/\/www.charlezz.com\/wordpress\/wp-content\/uploads\/2021\/07\/www.charlezz.com-opencv-threshold.mp4?_=1\" \/><a href=\"https:\/\/www.charlezz.com\/wordpress\/wp-content\/uploads\/2021\/07\/www.charlezz.com-opencv-threshold.mp4\">https:\/\/www.charlezz.com\/wordpress\/wp-content\/uploads\/2021\/07\/www.charlezz.com-opencv-threshold.mp4<\/a><\/video><\/div>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>\uc801\ub2f9\ud55c \uc784\uacc4\uac12\uc744 \uc124\uc815\ud558\uc5ec \uc6d0\ud558\ub294 \uacb0\uacfc(\uac1d\uccb4 \ub610\ub294 \uad00\uc2ec\uc601\uc5ed)\ub97c \uc5bb\ub3c4\ub85d \ud558\uc790.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uc774\ubbf8\uc9c0\uc758 \uc774\uc9c4\ud654(Binarization)\ub780? \uc774\ubbf8\uc9c0\uc758 \ud53d\uc140 \uac12\uc744 0 \ub610\ub294 255\ub85c \ubcc0\ud658\ud558\ub294 \uc5f0\uc0b0\uc744 \ub9d0\ud55c\ub2e4. \ubcc0\ud658\ub41c \uc774\uc9c4 \uc774\ubbf8\uc9c0\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \ubaa9\uc801\uc744 \uc218\ud589\ud558\ub294\ub370 \uc801\ud569\ud558\ub2e4. \ubc30\uacbd(Background)\uacfc \uac1d\uccb4(Object) \uad6c\ubd84\ud558\uae30 \uad00\uc2ec \uc601\uc5ed\uacfc \ube44\uad00\uc2ec \uc601\uc5ed \uac00\ub974\uae30 \uc774\ubbf8\uc9c0\uc758 \uc774\uc9c4\ud654\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \ud68c\uc0c9\uc870(grayscale) \uc774\ubbf8\uc9c0\ub85c \ud558\uba70, \ud53d\uc140\uc758 \uac12\uc744 \uacb0\uc815\ud558\uae30 \uc704\ud574 \uc784\uacc4\uac12(threshold)\uc744 \uc815\ud558\uac8c \ub41c\ub2e4.\u00a0 Threshold \uc784\uacc4\uac12(T)\ub97c \ud1b5\ud574 \uc774\ubbf8\uc9c0(I)\uc758 \ud53d\uc140\uac12\uc744 0 \ub610\ub294 255\ub85c \uacb0\uc815\ud560\ud150\ub370 \uc774\ub97c [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"inline_featured_image":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0},"categories":[27],"tags":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/charlezz.com\/index.php?rest_route=\/wp\/v2\/posts\/45272"}],"collection":[{"href":"https:\/\/charlezz.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/charlezz.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/charlezz.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/charlezz.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=45272"}],"version-history":[{"count":1,"href":"https:\/\/charlezz.com\/index.php?rest_route=\/wp\/v2\/posts\/45272\/revisions"}],"predecessor-version":[{"id":45281,"href":"https:\/\/charlezz.com\/index.php?rest_route=\/wp\/v2\/posts\/45272\/revisions\/45281"}],"wp:attachment":[{"href":"https:\/\/charlezz.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=45272"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/charlezz.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=45272"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/charlezz.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=45272"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}