{"id":45334,"date":"2021-08-16T10:09:03","date_gmt":"2021-08-16T01:09:03","guid":{"rendered":"https:\/\/www.charlezz.com\/?p=45334"},"modified":"2021-08-16T19:46:25","modified_gmt":"2021-08-16T10:46:25","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%a0%88%ec%9d%b4%eb%b8%94%eb%a7%81labeling","status":"publish","type":"post","link":"https:\/\/charlezz.com\/?p=45334","title":{"rendered":"[\uc548\ub4dc\ub85c\uc774\ub4dc\ub85c \ubc30\uc6b0\ub294 OpenCV] \ub808\uc774\ube14\ub9c1(Labeling)"},"content":{"rendered":"<h1><a href=\"https:\/\/www.charlezz.com\/wordpress\/wp-content\/uploads\/2021\/08\/www.charlezz.com-opencv-labeling-comparison-1.jpg\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/www.charlezz.com\/wordpress\/wp-content\/uploads\/2021\/08\/www.charlezz.com-opencv-labeling-comparison-1.jpg\" alt=\"\" width=\"1024\" height=\"512\" class=\"alignnone size-full wp-image-45350\" srcset=\"https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/08\/www.charlezz.com-opencv-labeling-comparison-1.jpg 1024w, https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/08\/www.charlezz.com-opencv-labeling-comparison-1-300x150.jpg 300w, https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/08\/www.charlezz.com-opencv-labeling-comparison-1-768x384.jpg 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/h1>\n<h1>\ub808\uc774\ube14\ub9c1(Labeling)<\/h1>\n<p>\ub808\uc774\ube14\ub9c1\uc774\ub780 \uc77c\ubc18\uc801\uc73c\ub85c \uc774\uc9c4\ud654 \ub41c \uc774\ubbf8\uc9c0\uc5d0\uc11c \uc5f0\uc18d\ub41c \ud53d\uc140\uc5d0\u00a0 \ub300\ud574 \uace0\uc720\ud55c \ubc88\ud638\ub97c \ub9e4\uae30\ub294 \uc791\uc5c5\uc744 \uc758\ubbf8 \ud55c\ub2e4. \uc774\uc9c4\ud654\uc5d0 \ub300\ud55c \ub0b4\uc6a9\uc740 \uc774\uc804 \ud3ec\uc2a4\ud305\uc5d0\uc11c \ud655\uc778\ud560 \uc218 \uc788\ub2e4.<\/p>\n<ul>\n<li><a href=\"https:\/\/www.charlezz.com\/?p=45272\">\uc774\ubbf8\uc9c0\uc758 \uc774\uc9c4\ud654<\/a><\/li>\n<li><a href=\"https:\/\/www.charlezz.com\/?p=45285\">\uc790\ub3d9 \uc774\uc9c4\ud654 \uc784\uacc4\uac12 \uacb0\uc815(Otsu)<\/a><\/li>\n<li><a href=\"https:\/\/www.charlezz.com\/?p=45309\">\uc9c0\uc5ed \uc774\uc9c4\ud654<\/a><\/li>\n<li><a href=\"https:\/\/www.charlezz.com\/?p=45322\">\uc801\uc751\ud615 \uc774\uc9c4\ud654<\/a><\/li>\n<\/ul>\n<p>\ub808\uc774\ube14\ub9c1\uc744 \uc218\ud589\ud558\uba74 \uac1d\uccb4 \ub2e8\uc704\ub85c \uc774\ubbf8\uc9c0\ub97c \ubd84\uc11d\ud560 \uc218 \uc788\uac8c \ub41c\ub2e4. \uac1d\uccb4\uc758 \uc704\uce58, \ud06c\uae30, ROI \ucd94\ucd9c, \ubaa8\uc591 \ubd84\uc11d\ub4f1\uc774 \uac00\ub2a5\ud574\uc9c4\ub2e4. \uc774 \ud3ec\uc2a4\ud305\uc5d0\uc11c\ub294 \uae30\ubcf8\uc801\uc778 \ub808\uc774\ube14\ub9c1\uc758 \uc6d0\ub9ac\uc640 OpenCV\uc5d0\uc11c \uc81c\uacf5\ud558\ub294 \ud568\uc218\uc5d0 \ub300\ud574 \uc54c\uc544\ubcf4\uace0 \uac04\ub2e8\ud55c \uc608\uc81c\ub97c \ud3ec\ud568\ud55c\ub2e4.<\/p>\n<h2>\ud53d\uc140 \uc5f0\uacb0\uc131(Pixel connectivity)<\/h2>\n<p>2\ucc28\uc6d0 \uc774\ubbf8\uc9c0\uc5d0\uc11c \uac1d\uccb4(\uc11c\ub85c \uc5f0\uacb0 \ub418\uc5b4 \uc788\ub294 \ud53d\uc140)\ub97c \uacb0\uc815 \ud558\ub294 \uac83\uc740 \ud06c\uac8c \ub450\uac00\uc9c0 \ubc29\ubc95\uc73c\ub85c \ub098\ub208\ub2e4.\u00a0<\/p>\n<div id=\"attachment_45335\" style=\"width: 450px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/www.charlezz.com\/wordpress\/wp-content\/uploads\/2021\/08\/www.charlezz.com-opencv-labeling-440px-sasiedztwa-4-8.svg.png\"><img aria-describedby=\"caption-attachment-45335\" decoding=\"async\" loading=\"lazy\" src=\"https:\/\/www.charlezz.com\/wordpress\/wp-content\/uploads\/2021\/08\/www.charlezz.com-opencv-labeling-440px-sasiedztwa-4-8.svg.png\" alt=\"\" width=\"440\" height=\"166\" class=\"size-full wp-image-45335\" srcset=\"https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/08\/www.charlezz.com-opencv-labeling-440px-sasiedztwa-4-8.svg.png 440w, https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/08\/www.charlezz.com-opencv-labeling-440px-sasiedztwa-4-8.svg-300x113.png 300w\" sizes=\"(max-width: 440px) 100vw, 440px\" \/><\/a><\/p>\n<p id=\"caption-attachment-45335\" class=\"wp-caption-text\">(\uc88c) 8-connected pixels, (\uc6b0) 4-connected pixels<\/p>\n<\/div>\n<ul>\n<li>4\ubc29\ud5a5 \uc5f0\uacb0 (4-connected pixels)<\/li>\n<li>8\ubc29\ud5a5 \uc5f0\uacb0 (8-connected pixels)<\/li>\n<\/ul>\n<p>\uc704\uc758 \uc774\ubbf8\uc9c0\ub97c \uc0b4\ud3b4\ubcf4\uba74, \ud558\ub098\uc758 \ud53d\uc140(\uac80\uc815)\uc744 \uc2dc\uc791\uc73c\ub85c \uc778\uc811\ud55c 4\ubc29\ud5a5 \uc5f0\uacb0 \ub610\ub294 8\ubc29\ud5a5\uc73c\ub85c \uc5f0\uacb0\ub418\ub294 \ud53d\uc140\ub4e4(\ud68c\uc0c9)\uc744 \ud558\ub098\uc758 \uac1d\uccb4\ub85c \uac04\uc8fc\ud55c\ub2e4. (\ud770\uc0c9\ud53d\uc140\uc740 \ubc30\uacbd\uc774\uba70, 6-\ubc29\ud5a5 \uc5f0\uacb0\ub3c4 \uc874\uc7ac\ud558\uc9c0\ub9cc \uc0dd\ub7b5)\u00a0<\/p>\n<h2>\ub808\uc774\ube14\ub9c1 \ud568\uc218<\/h2>\n<p>OpenCV\uc5d0\uc11c\ub294 \ub808\uc774\ube14\ub9c1\uc744 \uc218\ud589\ud558\ub294 \ud568\uc218\ub97c \ub2e4\uc74c\uacfc \uac19\uc774 \uc81c\uacf5\ud55c\ub2e4.<\/p>\n<ul>\n<li><strong>connectedComponents<\/strong><\/li>\n<li><strong>connectedComponentsWithStats<\/strong><\/li>\n<\/ul>\n<pre class=\"\"><span>int Imgproc.<\/span><span>connectedComponents<\/span>(\r\n    Mat image<span>, \/\/ 8\ube44\ud2b8 1\ucc44\ub110 \uc601\uc0c1  \r\n<\/span>    Mat labels<span>, \/\/ \ub808\uc774\ube14 \ub9f5 \ud589\ub82c, \uc785\ub825\uc601\uc0c1\uacfc \uac19\uc740 \ud06c\uae30\r\n    int <\/span>connectivity<span>, \/\/ \ud53d\uc140 \uc5f0\uacb0\uc131, 4 \ub610\ub294 8\r\n    int <\/span>ltype \/\/ \ub808\uc774\ube14 \ud0c0\uc785, CV_32S \ub610\ub294 CV_16U\r\n)<\/pre>\n<pre class=\"\"><span>int Imgproc.<\/span><span>connectedComponentsWithStats<\/span>(\r\n    Mat image<span>, \/\/ 8\ube44\ud2b8 1\ucc44\ub110 \uc601\uc0c1 \r\n<\/span>    Mat labels<span>, \/\/ \ub808\uc774\ube14 \ub9f5 \ud589\ub82c, \uc785\ub825\uc601\uc0c1\uacfc \uac19\uc740 \ud06c\uae30\r\n<\/span>    Mat stats<span>, \/\/ \uac01 \uac1d\uccb4\uc758 \ubc14\uc6b4\ub529 \ubc15\uc2a4, \uac1d\uccb4 \uba74\uc801\r\n<\/span>    Mat centroids<span>, \/\/ \uac01 \uac1d\uccb4\uc758 \ubb34\uac8c \uc911\uc2ec \uc704\uce58 \uc815\ubcf4\r\n    int <\/span>connectivity<span>, \/\/ \ud53d\uc140 \uc5f0\uacb0\uc131, 4 \ub610\ub294 8\r\n    int <\/span>ltype \/\/ \ub808\uc774\ube14 \ud0c0\uc785, CV_32S \ub610\ub294 CV_16U\r\n)<\/pre>\n<p>connectedComponents \ub610\ub294 ConnectedComponentsWithtats\ub97c \ud638\ucd9c \ud558\uac8c \ub418\uba74, \ub9e4\uac1c\ubcc0\uc218\ub97c \ud1b5\ud574 \ub808\uc774\ube14\ub9c1 \ub41c \uc815\ubcf4\ub97c \ubc18\ud658\ud558\uac8c \ub41c\ub2e4.<\/p>\n<p>\uc77c\ubc18\uc801\uc73c\ub85c connectedComponentsWithStats\uac00 \ub354 \ub9ce\uc740 \uc815\ubcf4\ub97c \uc81c\uacf5\ud558\uae30 \ub54c\ubb38\uc5d0 \uc774 \ud568\uc218\ub97c \uc0ac\uc6a9\ud55c\ub2e4.<\/p>\n<p>connectedComponentsWithStats \ud568\uc218\ub97c \uc218\ud589\ud55c \uacb0\uacfc\ub97c \uac00\uc2dc\ud654 \ud55c \ub0b4\uc6a9\uc740 \ub2e4\uc74c\uacfc \uac19\ub2e4.<a href=\"https:\/\/www.charlezz.com\/wordpress\/wp-content\/uploads\/2021\/08\/www.charlezz.com-opencv-labeling-charlezz-2021-08-10--10.56.19.png\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/www.charlezz.com\/wordpress\/wp-content\/uploads\/2021\/08\/www.charlezz.com-opencv-labeling-charlezz-2021-08-10--10.56.19.png\" alt=\"\" width=\"960\" height=\"514\" class=\"alignnone size-full wp-image-45336\" srcset=\"https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/08\/www.charlezz.com-opencv-labeling-charlezz-2021-08-10--10.56.19.png 960w, https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/08\/www.charlezz.com-opencv-labeling-charlezz-2021-08-10--10.56.19-300x161.png 300w, https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/08\/www.charlezz.com-opencv-labeling-charlezz-2021-08-10--10.56.19-768x411.png 768w\" sizes=\"(max-width: 960px) 100vw, 960px\" \/><\/a><\/p>\n<p><a href=\"https:\/\/www.charlezz.com\/wordpress\/wp-content\/uploads\/2021\/08\/www.charlezz.com-opencv-labeling-charlezz-2021-08-11--12.10.20.png\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/www.charlezz.com\/wordpress\/wp-content\/uploads\/2021\/08\/www.charlezz.com-opencv-labeling-charlezz-2021-08-11--12.10.20.png\" alt=\"\" width=\"1442\" height=\"466\" class=\"alignnone size-full wp-image-45337\" srcset=\"https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/08\/www.charlezz.com-opencv-labeling-charlezz-2021-08-11--12.10.20.png 1442w, https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/08\/www.charlezz.com-opencv-labeling-charlezz-2021-08-11--12.10.20-300x97.png 300w, https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/08\/www.charlezz.com-opencv-labeling-charlezz-2021-08-11--12.10.20-768x248.png 768w, https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/08\/www.charlezz.com-opencv-labeling-charlezz-2021-08-11--12.10.20-1024x331.png 1024w\" sizes=\"(max-width: 1442px) 100vw, 1442px\" \/><\/a><\/p>\n<h2>\uc300\uc54c \uac2f\uc218 \uce74\uc6b4\ud2b8<\/h2>\n<p>\uc300\uc54c \uc774\ubbf8\uc9c0\uc5d0 \ub300\ud574 \uc9c0\uc5ed\uc774\uc9c4\ud654\uc640 \ub808\uc774\ube14\ub9c1\uc744 \uc218\ud589\ud558\uc5ec, \uac1d\uccb4(\uc300\uc54c)\uac80\ucd9c\uc744 \ud558\uace0\uc790 \ud55c\ub2e4.<\/p>\n<pre class=\"lang: decode:true\">val rows = 4\r\nval columns = 4\r\n\r\n\/\/ grayscale\ub85c \ubcc0\ud658\r\nval graySrc = Mat()\r\nImgproc.cvtColor(src, graySrc, Imgproc.COLOR_BGR2GRAY)\r\nval width = graySrc.width()\r\nval height = graySrc.height()\r\n\r\n\/\/\uc9c0\uc5ed \uc774\uc9c4\ud654\r\nfor (row in 0 until rows) {\r\n    for (column in 0 until columns) {\r\n        val submat = graySrc.submat(\r\n            height \/ rows * row,\r\n            height \/ rows * (row + 1),\r\n            width \/ columns * column,\r\n            width \/ columns * (column + 1)\r\n        )\r\n        Imgproc.threshold(\r\n            submat,\r\n            submat,\r\n            0.0,\r\n            255.0,\r\n            Imgproc.THRESH_BINARY or Imgproc.THRESH_OTSU\r\n        )\r\n    }\r\n}\r\n\r\n\/\/ \uac1d\uccb4\uc5d0 \ub300\ud55c \uc815\ubcf4 \uc800\uc7a5 \ud560 \ud589\ub82c\ub4e4\r\nval labels = Mat()\r\nval stats = Mat()\r\nval centroids = Mat()\r\nval count = Imgproc.connectedComponentsWithStats(\r\n    graySrc,\r\n    labels,\r\n    stats,\r\n    centroids\r\n)\r\n\r\n\/\/ \ucd9c\ub825\ub420 \uc774\ubbf8\uc9c0\r\nval dst = Mat()\r\n\r\n\/\/ \uc0c9\uc0c1 \ubcc0\ud658\r\nImgproc.cvtColor(graySrc, dst, Imgproc.COLOR_GRAY2BGR)\r\n\r\n\/\/ \uac1d\uccb4 \ubc14\uc6b4\ub529 \ubc15\uc2a4 \uadf8\ub9ac\uae30\r\nfor (index in 1 until stats.rows()) {\r\n    val x = stats.row(index).get(0, 0)[0].toInt()\r\n    val y = stats.row(index).get(0, 1)[0].toInt()\r\n    val width = stats.row(index).get(0, 2)[0].toInt()\r\n    val height = stats.row(index).get(0, 3)[0].toInt()\r\n    Imgproc.rectangle(\r\n        dst,\r\n        Rect(x, y, width, height),\r\n        Scalar(0.0, 0.0, 255.0),\r\n        3\r\n    )\r\n}\r\n\r\n\/\/ \ubb34\uac8c\uc911\uc2ec \uc810\ucc0d\uae30\r\nfor (index in 1 until centroids.rows()) {\r\n    val centerX = centroids.row(index).get(0,0)[0].toInt()\r\n    val centerY = centroids.row(index).get(0,1)[0].toInt()\r\n    Imgproc.circle(dst, Point(centerX.toDouble(), centerY.toDouble()), 5, Scalar(255.0,0.0,0.0),5)\r\n}\r\n\r\n\/\/ \uc300\uc54c \uac2f\uc218 \ubc0f \uacb0\uacfc \uc774\ubbf8\uc9c0 \ucd9c\ub825<\/pre>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/www.charlezz.com\/wordpress\/wp-content\/uploads\/2021\/08\/www.charlezz.com-opencv-labeling-screenshot-1629075446.png\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/www.charlezz.com\/wordpress\/wp-content\/uploads\/2021\/08\/www.charlezz.com-opencv-labeling-screenshot-1629075446-576x1024.png\" alt=\"\" width=\"576\" height=\"1024\" class=\"alignnone wp-image-45347 size-large\" srcset=\"https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/08\/www.charlezz.com-opencv-labeling-screenshot-1629075446-576x1024.png 576w, https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/08\/www.charlezz.com-opencv-labeling-screenshot-1629075446-169x300.png 169w, https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/08\/www.charlezz.com-opencv-labeling-screenshot-1629075446-768x1365.png 768w, https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/08\/www.charlezz.com-opencv-labeling-screenshot-1629075446.png 1080w\" sizes=\"(max-width: 576px) 100vw, 576px\" \/><\/a><\/p>\n<p>\uc9c0\uc5ed \uc774\uc9c4\ud654\ub97c \uc218\ud589\ud55c \ub4a4 \ub808\uc774\ube14\ub9c1 \ud55c \uc815\ubcf4\ub97c \ud1a0\ub300\ub85c \uac01 \uc300\uc54c\ub4e4\uc5d0 \ub300\ud574 \ube68\uac04\uc0c9 \ubc14\uc6b4\ub529 \ubc15\uc2a4\ub97c \uadf8\ub9ac\uace0 \ud574\ub2f9 \uac1d\uccb4\uc5d0 \ub300\ud55c \ubb34\uac8c\uc911\uc2ec\uc810\uc744 \ud30c\ub780\uc0c9\uc73c\ub85c \uadf8\ub838\ub2e4. \uac80\ucd9c\ub41c \uac1d\uccb4(\uc300\uc54c)\ub294 110\uac1c\ub85c \ub098\uc624\uc9c0\ub9cc \uc790\uc138\ud788 \uc0b4\ud3b4\ubcf4\uba74 \ub808\uc774\ube14\ub9c1 \ub41c \uac1d\uccb4\uac00 \ud56d\uc0c1 \uc300\uc54c\uc740 \uc544\ub2c8\ub2e4.<\/p>\n<p>\ub2e4\uc74c\uc758 \uacbd\uc6b0\uc5d0 \uac80\ucd9c \ub41c \uac1d\uccb4\uac00 \uc300\uc54c\uc774 \uc544\ub2c8\uc5c8\ub2e4.<\/p>\n<ul>\n<li>\uc300\uc54c \ub450\uac1c\uac00 \uc774\uc5b4\uc838 \uc788\uc5b4 \ud558\ub098\uc758 \uac1d\uccb4\ub85c \uac80\ucd9c\ub418\ub294 \uacbd\uc6b0<\/li>\n<li>\uc300\uc54c\uc774 \uc544\ub2cc \uc791\uc740 \ub178\uc774\uc988 \ud53d\uc140\uc774 \uac80\ucd9c\ub418\ub294 \uacbd\uc6b0<\/li>\n<\/ul>\n<p>\uc791\uc740 \ub178\uc774\uc988 \ud53d\uc140\uc758 \uacbd\uc6b0 stats\uc758 area\ub97c \ud1b5\ud574 \ud544\ud130\ub9c1\uc744 \uc2dc\ub3c4 \ud560 \uc218 \uc788\uc5c8\ub2e4. \ub300\ub7b5 10\ud53d\uc140 \uc774\uc0c1\uc758 \ud06c\uae30\ub97c \uac00\uc9c4 \uac1d\uccb4\ub9cc \uc300\uc54c\uc774\ub77c\uace0 \uc784\uc758\ub85c \ud310\ub2e8\ud574\uc11c \uce74\uc6b4\ud305\ud55c \uacb0\uacfc\ub294 \ub2e4\uc74c\uacfc \uac19\ub2e4.<\/p>\n<p><a href=\"https:\/\/www.charlezz.com\/wordpress\/wp-content\/uploads\/2021\/08\/www.charlezz.com-opencv-labeling-screenshot-1629110673.png\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/www.charlezz.com\/wordpress\/wp-content\/uploads\/2021\/08\/www.charlezz.com-opencv-labeling-screenshot-1629110673-576x1024.png\" alt=\"\" width=\"576\" height=\"1024\" class=\"alignnone wp-image-45354 size-large\" srcset=\"https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/08\/www.charlezz.com-opencv-labeling-screenshot-1629110673-576x1024.png 576w, https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/08\/www.charlezz.com-opencv-labeling-screenshot-1629110673-169x300.png 169w, https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/08\/www.charlezz.com-opencv-labeling-screenshot-1629110673-768x1365.png 768w, https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/08\/www.charlezz.com-opencv-labeling-screenshot-1629110673.png 1080w\" sizes=\"(max-width: 576px) 100vw, 576px\" \/><\/a><\/p>\n<p>\uc300\uc54c \ub450\uac1c\uac00 \ubd99\uc5b4 \uc788\ub294 \uacbd\uc6b0\ub294 <a href=\"https:\/\/www.charlezz.com\/?p=45342\">\ubaa8\ud3f4\ub85c\uc9c0 \uc5f0\uc0b0<\/a>\uc744 \ud1b5\ud574 \ub2e4\uc2dc \uac1d\uccb4\ub97c \ubd84\ub9ac \ud560 \uc218 \uc788\ub2e4.\u00a0<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\ub808\uc774\ube14\ub9c1(Labeling) \ub808\uc774\ube14\ub9c1\uc774\ub780 \uc77c\ubc18\uc801\uc73c\ub85c \uc774\uc9c4\ud654 \ub41c \uc774\ubbf8\uc9c0\uc5d0\uc11c \uc5f0\uc18d\ub41c \ud53d\uc140\uc5d0\u00a0 \ub300\ud574 \uace0\uc720\ud55c \ubc88\ud638\ub97c \ub9e4\uae30\ub294 \uc791\uc5c5\uc744 \uc758\ubbf8 \ud55c\ub2e4. \uc774\uc9c4\ud654\uc5d0 \ub300\ud55c \ub0b4\uc6a9\uc740 \uc774\uc804 \ud3ec\uc2a4\ud305\uc5d0\uc11c \ud655\uc778\ud560 \uc218 \uc788\ub2e4. \uc774\ubbf8\uc9c0\uc758 \uc774\uc9c4\ud654 \uc790\ub3d9 \uc774\uc9c4\ud654 \uc784\uacc4\uac12 \uacb0\uc815(Otsu) \uc9c0\uc5ed \uc774\uc9c4\ud654 \uc801\uc751\ud615 \uc774\uc9c4\ud654 \ub808\uc774\ube14\ub9c1\uc744 \uc218\ud589\ud558\uba74 \uac1d\uccb4 \ub2e8\uc704\ub85c \uc774\ubbf8\uc9c0\ub97c \ubd84\uc11d\ud560 \uc218 \uc788\uac8c \ub41c\ub2e4. \uac1d\uccb4\uc758 \uc704\uce58, \ud06c\uae30, ROI \ucd94\ucd9c, \ubaa8\uc591 \ubd84\uc11d\ub4f1\uc774 \uac00\ub2a5\ud574\uc9c4\ub2e4. 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