{"id":45203,"date":"2021-06-18T09:18:07","date_gmt":"2021-06-18T00:18:07","guid":{"rendered":"https:\/\/www.charlezz.com\/?p=45203"},"modified":"2021-06-18T09:18:07","modified_gmt":"2021-06-18T00:18:07","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-%eb%9d%bc%ed%94%8c%eb%9d%bc%ec%8b%9c%ec%95%88-%ed%95%84%ed%84%b0laplacian","status":"publish","type":"post","link":"https:\/\/charlezz.com\/?p=45203","title":{"rendered":"[\uc548\ub4dc\ub85c\uc774\ub4dc\ub85c \ubc30\uc6b0\ub294 OpenCV] \ub77c\ud50c\ub77c\uc2dc\uc548 \ud544\ud130(Laplacian)"},"content":{"rendered":"<h1>\ub77c\ud50c\ub77c\uc2a4 \uc5f0\uc0b0\uc790<\/h1>\n<p>\ub77c\ud50c\ub77c\uc2a4 \ub610\ub294 \ub77c\ud50c\ub77c\uc2dc\uc548 \uc5f0\uc0b0\uc790\ub294 2\ucc28 \ubbf8\ubd84 \uc5f0\uc0b0\uc790\uc758 \uc77c\uc885\uc73c\ub85c, \uae30\uc6b8\uae30\uc758 \ubc1c\uc0b0\uc774\ub2e4.\u00a0<\/p>\n<p>\uc774\uc804 \ud3ec\uc2a4\ud305\uc5d0\uc11c <a href=\"https:\/\/www.charlezz.com\/?p=45153\">\uc18c\ubca8 \uc5f0\uc0b0\uc790<\/a>\uc5d0 \ub300\ud574 \ub2e4\ub8ec\uc801\uc774 \uc788\ub2e4. \uc5e3\uc9c0 \ubd80\uadfc\uc5d0\uc11c \ud53d\uc140\uc758 \uac12\uc774 \ub6f0\ub294 \uac83\uc744 \ud655\uc778\ud560 \uc218 \uc788\uc5c8\ub2e4.<\/p>\n<p><a href=\"https:\/\/www.charlezz.com\/wordpress\/wp-content\/uploads\/2021\/06\/www.charlezz.com-opencv-laplacian-laplace-operator-tutorial-theory-previous.jpg\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/www.charlezz.com\/wordpress\/wp-content\/uploads\/2021\/06\/www.charlezz.com-opencv-laplacian-laplace-operator-tutorial-theory-previous.jpg\" alt=\"\" width=\"500\" height=\"167\" class=\"alignnone size-full wp-image-45204\" srcset=\"https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/06\/www.charlezz.com-opencv-laplacian-laplace-operator-tutorial-theory-previous.jpg 500w, https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/06\/www.charlezz.com-opencv-laplacian-laplace-operator-tutorial-theory-previous-300x100.jpg 300w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/a><\/p>\n<p>\ub9cc\uc57d\uc5d0 \uc5ec\uae30\uc5d0 2\ucc28 \ubbf8\ubd84\uc744 \ucde8\ud558\uba74 \uc5b4\ub5bb\uac8c \ub420\uae4c?<\/p>\n<p><a href=\"https:\/\/www.charlezz.com\/wordpress\/wp-content\/uploads\/2021\/06\/www.charlezz.com-opencv-laplacian-laplace-operator-tutorial-theory-ddintensity.jpg\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/www.charlezz.com\/wordpress\/wp-content\/uploads\/2021\/06\/www.charlezz.com-opencv-laplacian-laplace-operator-tutorial-theory-ddintensity.jpg\" alt=\"\" width=\"300\" height=\"222\" class=\"alignnone size-full wp-image-45205\" \/><\/a><\/p>\n<p><a href=\"https:\/\/ko.wikipedia.org\/wiki\/%EC%9D%B4%EA%B3%84%EB%8F%84%ED%95%A8%EC%88%98\">2\ucc28\ubbf8\ubd84<\/a>\uc740 \ub9d0 \uadf8\ub300\ub85c 1\ucc28 \ubbf8\ubd84\uac12\uc744 \ub2e4\uc2dc \ud55c\ubc88 \ubbf8\ubd84\ud558\ub294 \ubc29\ubc95\uc744 \ub9d0\ud558\ub294\ub370, 2\ucc28\ubbf8\ubd84\uc758 \uc7a5\uc810\uc740 \uc5e3\uc9c0\uc758 \uc911\uc2ec\ubd80\ubd84\uc744 \ucc3e\uc744 \uc218 \uc788\ub2e4\ub294 \uc810\uc774\ub2e4. 2\ucc28 \ubbf8\ubd84\ud55c \uadf8\ub798\ud504\ub97c \ubcf4\uba74 \uc5e3\uc9c0\ubd80\ubd84\uc774 0\uc73c\ub85c \ubd80\ud638\uac00 \ubc14\ub00c\uac8c \ub418\ub294 \uac83\uc744 \ud655\uc778\ud560 \uc218 \uc788\ub2e4. \uc774\ub97c \ubcc0\uace1\uc810 \ub610\ub294 \uc601\uad50\ucc28(zero crossing)\ub77c\uace0 \ud55c\ub2e4. \uc774 \uae30\uc900\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc774\ubbf8\uc9c0\uc758 \uc5e3\uc9c0\ub97c \uac80\ucd9c\ud560 \uc218 \uc788\ub2e4. \uc774 \ub54c,\u00a0 <a href=\"https:\/\/ko.wikipedia.org\/wiki\/%EB%9D%BC%ED%94%8C%EB%9D%BC%EC%8A%A4_%EC%97%B0%EC%82%B0%EC%9E%90\">\ub77c\ud50c\ub77c\uc2dc\uc548 \uc5f0\uc0b0<\/a>\uc744 \uc0ac\uc6a9\ud560 \uc218 \uc788\ub2e4.<\/p>\n<p>\ub77c\ud50c\ub77c\uc2dc\uc548 \ubc29\uc815\uc2dd\uc740 \ub2e4\uc74c\uacfc \uac19\ub2e4.<\/p>\n<p><a href=\"https:\/\/www.charlezz.com\/wordpress\/wp-content\/uploads\/2021\/06\/www.charlezz.com-opencv-laplacian-screenshot.png\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/www.charlezz.com\/wordpress\/wp-content\/uploads\/2021\/06\/www.charlezz.com-opencv-laplacian-screenshot-300x109.png\" alt=\"\" width=\"300\" height=\"109\" class=\"alignnone wp-image-45206 size-medium\" srcset=\"https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/06\/www.charlezz.com-opencv-laplacian-screenshot-300x109.png 300w, https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/06\/www.charlezz.com-opencv-laplacian-screenshot.png 668w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>\uc774 \uc218\uc2dd\uc744 \uc870\uae08 \ub354 \ud3bc\uccd0\uc11c \uc804\uac1c\ud574\ubcf4\uc790\uba74 \ub2e4\uc74c\uacfc \uac19\ub2e4.<a href=\"https:\/\/www.charlezz.com\/wordpress\/wp-content\/uploads\/2021\/06\/www.charlezz.com-opencv-laplacian-screenshot-1.png\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/www.charlezz.com\/wordpress\/wp-content\/uploads\/2021\/06\/www.charlezz.com-opencv-laplacian-screenshot-1-1024x728.png\" alt=\"\" width=\"750\" height=\"533\" class=\"alignnone size-large wp-image-45207\" srcset=\"https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/06\/www.charlezz.com-opencv-laplacian-screenshot-1-1024x728.png 1024w, https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/06\/www.charlezz.com-opencv-laplacian-screenshot-1-300x213.png 300w, https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/06\/www.charlezz.com-opencv-laplacian-screenshot-1-768x546.png 768w, https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/06\/www.charlezz.com-opencv-laplacian-screenshot-1.png 1196w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/a><\/p>\n<p>OpenCV\uc5d0\uc11c \uc81c\uacf5\ud558\ub294 \ub77c\ud50c\ub77c\uc2dc\uc548 \ud568\uc218\ub294 \ub2e4\uc74c\uacfc \uac19\ub2e4.<\/p>\n<pre class=\"\"><span>Imgproc.Laplacian<\/span>(Mat src<span>, <\/span>Mat dst<span>, int <\/span>ddepth<span>, int <\/span>ksize)<\/pre>\n<pre class=\"\">src : \uc785\ub825 \uc601\uc0c1\r\ndst : \uacb0\uacfc \uc601\uc0c1\r\nddepth : \ucd9c\ub825\uc601\uc0c1 \ub370\uc774\ud130 \ud0c0\uc785, -1\uc774\uba74 \uc785\ub825 \uc601\uc0c1\uacfc \uac19\uc740 \ub370\uc774\ud130 \ud0c0\uc785 \uc0ac\uc6a9.<\/pre>\n<p>\ub77c\ud50c\ub77c\uc2dc\uc548 \ud568\uc218\ub294 \ubbf8\ubd84\uc758 \ucc28\uc218\uac00 \ud544\uc694\ud558\uc9c0 \uc54a\ub2e4\ub294 \uc810\uc744 \uc81c\uc678\ud558\uace0\ub294 \uc18c\ubca8 \ud568\uc218\uc640 \ub3d9\uc77c\ud55c \ud30c\ub77c\ubbf8\ud130\ub97c \ucde8\ud55c\ub2e4. \ucee4\ub110\uc5d0 \ub300\ud55c ksize\ub294 \uc18c\ubca8 \ubbf8\ubd84\uc758 \ucee4\ub110\uacfc \uc815\ud655\ud558\uac8c \uac19\uc73c\uba70, \uc0ac\uc2e4\uc0c1 \uadf8 \ud53d\uc140\uc774 2\ucc28 \ubbf8\ubd84\uc758 \uacc4\uc0b0\uc744 \uc704\ud574 \uc0d8\ud50c\ub9c1\ud558\ub294 \uc601\uc5ed\uc758 \ud06c\uae30\ub97c \uc815\ud55c\ub2e4. \uc2e4\uc81c\ub85c \ub77c\ud50c\ub77c\uc2dc\uc548 \uc5d0\uc11c \uc774\ubbf8\uc9c0\uc758 \uae30\uc6b8\uae30\ub97c \uc0ac\uc6a9\ud558\uae30 \ub54c\ubb38\uc5d0 \ub0b4\ubd80\uc801\uc73c\ub85c\ub294 \uc18c\ubca8 \ud568\uc218\ub97c \ud638\ucd9c\ud558\uc5ec \uacc4\uc0b0\uc744 \uc218\ud589\ud55c\ub2e4.<\/p>\n<p>\ub808\ub098 \uc774\ubbf8\uc9c0\ub97c Grayscale\ub85c \ubcc0\uacbd\ud558\uace0 \ub77c\ud50c\ub77c\uc2dc\uc548 \ud544\ud130\ub97c \uc801\uc6a9\ud55c \uacb0\uacfc\ub294 \ub2e4\uc74c\uacfc \uac19\ub2e4.<\/p>\n<p><a href=\"https:\/\/www.charlezz.com\/wordpress\/wp-content\/uploads\/2021\/06\/www.charlezz.com-opencv-laplacian-screenshot-2.png\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/www.charlezz.com\/wordpress\/wp-content\/uploads\/2021\/06\/www.charlezz.com-opencv-laplacian-screenshot-2-437x1024.png\" alt=\"\" width=\"437\" height=\"1024\" class=\"alignnone size-large wp-image-45208\" srcset=\"https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/06\/www.charlezz.com-opencv-laplacian-screenshot-2-437x1024.png 437w, https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/06\/www.charlezz.com-opencv-laplacian-screenshot-2-128x300.png 128w, https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/06\/www.charlezz.com-opencv-laplacian-screenshot-2-768x1800.png 768w, https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/06\/www.charlezz.com-opencv-laplacian-screenshot-2.png 896w\" sizes=\"(max-width: 437px) 100vw, 437px\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\ub77c\ud50c\ub77c\uc2a4 \uc5f0\uc0b0\uc790 \ub77c\ud50c\ub77c\uc2a4 \ub610\ub294 \ub77c\ud50c\ub77c\uc2dc\uc548 \uc5f0\uc0b0\uc790\ub294 2\ucc28 \ubbf8\ubd84 \uc5f0\uc0b0\uc790\uc758 \uc77c\uc885\uc73c\ub85c, \uae30\uc6b8\uae30\uc758 \ubc1c\uc0b0\uc774\ub2e4.\u00a0 \uc774\uc804 \ud3ec\uc2a4\ud305\uc5d0\uc11c \uc18c\ubca8 \uc5f0\uc0b0\uc790\uc5d0 \ub300\ud574 \ub2e4\ub8ec\uc801\uc774 \uc788\ub2e4. \uc5e3\uc9c0 \ubd80\uadfc\uc5d0\uc11c \ud53d\uc140\uc758 \uac12\uc774 \ub6f0\ub294 \uac83\uc744 \ud655\uc778\ud560 \uc218 \uc788\uc5c8\ub2e4. \ub9cc\uc57d\uc5d0 \uc5ec\uae30\uc5d0 2\ucc28 \ubbf8\ubd84\uc744 \ucde8\ud558\uba74 \uc5b4\ub5bb\uac8c \ub420\uae4c? 2\ucc28\ubbf8\ubd84\uc740 \ub9d0 \uadf8\ub300\ub85c 1\ucc28 \ubbf8\ubd84\uac12\uc744 \ub2e4\uc2dc \ud55c\ubc88 \ubbf8\ubd84\ud558\ub294 \ubc29\ubc95\uc744 \ub9d0\ud558\ub294\ub370, 2\ucc28\ubbf8\ubd84\uc758 \uc7a5\uc810\uc740 \uc5e3\uc9c0\uc758 \uc911\uc2ec\ubd80\ubd84\uc744 \ucc3e\uc744 [&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\/45203"}],"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=45203"}],"version-history":[{"count":1,"href":"https:\/\/charlezz.com\/index.php?rest_route=\/wp\/v2\/posts\/45203\/revisions"}],"predecessor-version":[{"id":45209,"href":"https:\/\/charlezz.com\/index.php?rest_route=\/wp\/v2\/posts\/45203\/revisions\/45209"}],"wp:attachment":[{"href":"https:\/\/charlezz.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=45203"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/charlezz.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=45203"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/charlezz.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=45203"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}