{"id":44790,"date":"2021-03-04T23:07:39","date_gmt":"2021-03-04T14:07:39","guid":{"rendered":"https:\/\/www.charlezz.com\/?p=44790"},"modified":"2021-03-24T09:10:59","modified_gmt":"2021-03-24T00:10:59","slug":"opencv-opencv%eb%a1%9c-%ec%84%a0-%ec%82%ac%ea%b0%81%ed%98%95-%ec%9b%90-%ea%b7%b8%eb%a6%ac%ea%b8%b0","status":"publish","type":"post","link":"https:\/\/charlezz.com\/?p=44790","title":{"rendered":"[\uc548\ub4dc\ub85c\uc774\ub4dc\ub85c \ubc30\uc6b0\ub294 OpenCV] \uc120, \uc0ac\uac01\ud615, \uc6d0 \uadf8\ub9ac\uae30"},"content":{"rendered":"

OpenCV\uc5d0\uc11c\ub294 \uba87\uac00\uc9c0 \uadf8\ub9ac\uae30 \ud568\uc218\ub97c \uc81c\uacf5\ud55c\ub2e4. \uac01 \uadf8\ub9ac\uae30 \ud568\uc218\uc5d0 \ub300\ud574\uc11c \uc54c\uc544\ubcf4\uace0 \uc548\ub4dc\ub85c\uc774\ub4dc\uc6a9 \uc608\uc81c\ub97c \ub9cc\ub4e4\uc5b4\ubcf8\ub2e4.<\/p>\n

\uc9c1\uc120 \uadf8\ub9ac\uae30<\/h2>\n
line(img, pt1, pt2, color, thickness, lineType, shift)<\/pre>\n
img: \uadf8\ub9bc\uc744 \uadf8\ub9b4 \uc601\uc0c1
\npt1: \uc2dc\uc791\uc810
\npt2: \ub05d\uc810
\ncolor: \uc120 \uc0c9\uc0c1 (B,G,R)\u00a0
\nthickness: \uc120 \ub450\uaed8
\nlineType: \uc120 \ud0c0\uc785; LINE_8(\uae30\ubcf8\uac12), LINE_4, LINE_AA
\nshift: \uadf8\ub9ac\uae30 \uc88c\ud45c \uac12\uc758 \ucd95\uc18c \ube44\uc728. \uae30\ubcf8\uac12\uc740 0<\/p>\n
\uc120 \ud0c0\uc785<\/h3>\n
\uc120 \ud0c0\uc785 \uc9c0\uc815\uc5d0 \ub530\ub77c \uc120\uc744 \uadf8\ub9ac\ub294 \ubc29\uc2dd\uc774 \ucc28\uc774\uac00 \uc788\ub2e4. \ub2e4\uc74c \uadf8\ub9bc\uc744 \ucc38\uace0\ud558\uc790.<\/p>\n
\"\"<\/a>LINE_4\uc640 LINE_8\uc740 \uc778\uc811 \ud53d\uc140\uc744 4\ubc29\ud5a5 \uc911 \ud558\ub098\ub85c \ucc44\uc6b8\uc9c0 8\ubc29\ud5a5\uc911 \ud558\ub098\ub85c \ucc44\uc6b8\uc9c0 \uacb0\uc815\ud55c\ub2e4.<\/p>\n
\"\"<\/a>AA\ub294 Anti-Aliasing<\/a>(\uacc4\ub2e8 \ud604\uc0c1 \ubc29\uc9c0 \uae30\uc220)\uc758 \uc57d\uc790\ub2e4.\u00a0<\/p>\n
\uc0ac\uac01\ud615 \uadf8\ub9ac\uae30<\/h2>\n
rectangle(img, pt1, pt2, color, thickness, lineType, shift)\r\n\r\nrectangle(img, rec, color, thickness, lineType, shift)<\/pre>\n
\uc0ac\uac01\ud615 \uadf8\ub9ac\uae30 \ud568\uc218\ub294 rectangle\uc774\uba70 \uc9c1\uc120 \uadf8\ub9ac\uae30 \ud568\uc218\uc640 \ube44\uc2b7\ud558\ub2e4.
\n\uaf2d\uc9c0\uc810 \uc88c\ud45c pt1,pt2 \ub300\uc2e0 \uc0ac\uac01\ud615(Rect; (x,y,w,h)) \uc704\uce58 \uc815\ubcf4\ub97c \ub300\uc785\ud560 \uc218 \uc788\ub2e4.<\/p>\n
\uc6d0 \uadf8\ub9ac\uae30<\/h2>\n
circle(img, center, radius, color, thickness, lineType, shift)<\/pre>\n
\uc6d0 \uadf8\ub9ac\uae30 \ud568\uc218\ub294 circle\uc774\uba70 \uc9c1\uc120 \uadf8\ub9ac\uae30 \ud568\uc218\uc640 \ube44\uc2b7\ud558\ub2e4.<\/p>\n
center: \uc6d0\uc758 \uc911\uc2ec \uc88c\ud45c
\nradius: \uc6d0\uc758 \ubc18\uc9c0\ub984<\/p>\n
\ub2e4\uac01\ud615 \uadf8\ub9ac\uae30<\/h2>\n
polylines(img, pts, isClosed, color, thickness, lineType, shift)<\/pre>\n
\ub2e4\uac01\ud615 \uadf8\ub9ac\uae30\ub294 polylines \ud568\uc218\ub97c \uc0ac\uc6a9\ud55c\ub2e4.\u00a0<\/p>\n
pts: \ub2e4\uac01\ud615 \uc678\uacfd\uc810\ub4e4\uc758 \uc88c\ud45c \ubc30\uc5f4
\nisClosed: \ud3d0\uace1\uc120 \uc5ec\ubd80. (Boolean)<\/p>\n
\ub2e4\uc74c\uacfc \uac19\uc740 \uc815\uc810\uc744 \ub2e4\uac01\ud615\uc73c\ub85c \uadf8\ub9b4 \ub54c \ud3d0\uace1\uc120 \uc5ec\ubd80\uc5d0 \ub530\ub978 \ub3c4\ud615\uc758 \ubcc0\ud654<\/p>\n
[250, 200], [300, 200], [350, 300], [250, 300]<\/pre>\n
isClosed\uac00 true\uc77c \ub54c<\/p>\n
\"\"<\/a><\/p>\n
isClosed\uac00 false\uc77c \ub54c<\/p>\n
\"\"<\/a><\/p>\n
\ubb38\uc790\uc5f4 \uadf8\ub9ac\uae30<\/h2>\n
putText(img, text, org, fontFace, fontScale, color, thickness, lineType, bottomLeftOrigin)<\/pre>\n
text: \ucd9c\ub825\ud560 \ubb38\uc790\uc5f4
\norg: \ubb38\uc790\uc5f4\uc744 \ucd9c\ub825\ud560 \uc704\uce58\uc758 \uc88c\uce21 \ud558\ub2e8 \uc88c\ud45c
\nfontFace: \ud3f0\ud2b8 \uc885\ub958
\nfontScale: \ud3f0\ud2b8 \ud06c\uae30 \ube44\uc728
\nbottomLeftOrigin: true\uc774\uba74 \uc88c\uce21 \ud558\ub2e8\uc744 \uc6d0\uc810\uc73c\ub85c \uc9c0\uc815. \uae30\ubcf8\uac12\uc740 false<\/p>\n
\uc548\ub4dc\ub85c\uc774\ub4dc \uc608\uc81c<\/h2>\n
binding.canvas.setOnTouchListener { v, event ->\r\n    when (event.action) {\r\n        MotionEvent.ACTION_DOWN -> {\r\n            initX = event.x\r\n            initY = event.y\r\n        }\r\n        MotionEvent.ACTION_MOVE -> {\r\n            mat = Mat.zeros(\r\n                binding.canvas.measuredHeight,\r\n                binding.canvas.measuredWidth,\r\n                CvType.CV_8UC3\r\n            )\r\n            when (binding.radioGroup.checkedRadioButtonId) {\r\n                R.id.line -> {\r\n                    Imgproc.line(\r\n                        mat,\r\n                        Point(initX.toDouble(), initY.toDouble()),\r\n                        Point(event.x.toDouble(), event.y.toDouble()),\r\n                        Scalar(255.0, 0.0, 0.0)\r\n                    )\r\n                }\r\n                R.id.rectangle -> {\r\n                    Imgproc.rectangle(\r\n                        mat,\r\n                        Point(initX.toDouble(), initY.toDouble()),\r\n                        Point(event.x.toDouble(), event.y.toDouble()),\r\n                        Scalar(255.0, 0.0, 0.0)\r\n                    )\r\n                }\r\n                R.id.circle -> {\r\n                    val absX = abs(initX - event.x)\r\n                    val absY = abs(initY - event.y)\r\n                    Imgproc.circle(\r\n                        mat,\r\n                        Point(initX.toDouble(), initY.toDouble()),\r\n                        sqrt(absX * absX + absY * absY).toInt(),\r\n                        Scalar(255.0, 0.0, 0.0)\r\n                    )\r\n                }\r\n            }\r\n            val bmp = Bitmap.createBitmap(mat.cols(), mat.rows(), Bitmap.Config.ARGB_8888)\r\n            Utils.matToBitmap(mat, bmp)\r\n            binding.canvas.setImageBitmap(bmp)\r\n        }\r\n    }\r\n    true\r\n}<\/pre>\n
View\uc5d0 \ud130\uce58 \uc774\ubca4\ud2b8 \ub9ac\uc2a4\ub108\ub97c \ub4f1\ub85d\ud558\uace0, ACTION_UP\uc5d0\uc11c \uc2dc\uc791\uc810\uc744 \uc9c0\uc815\ud558\uace0, ACTION_MOVE\uc5d0\uc11c \ub05d\uc810\uc744 \uc9c0\uc815\ud55c \ub4a4 \uc120\ud0dd\ub41c \ub77c\ub514\uc624 \ubc84\ud2bc\uc5d0 \ub530\ub77c \uadf8\ub9b4 \ub3c4\ud615\uc744 \uc120\ud0dd\ud558\ub3c4\ub85d \uad6c\ud604\ud588\ub2e4.<\/p>\n

\nhttps:\/\/www.charlezz.com\/wordpress\/wp-content\/uploads\/2021\/03\/www.charlezz.com-opencv-opencv-draw-line.mp4<\/a><\/video><\/div>\n
https:\/\/www.charlezz.com\/wordpress\/wp-content\/uploads\/2021\/03\/www.charlezz.com-opencv-opencv-screencapture-1614866788207.mp4<\/a><\/video><\/div>\n
https:\/\/www.charlezz.com\/wordpress\/wp-content\/uploads\/2021\/03\/www.charlezz.com-opencv-opencv-screencapture-1614866805582.mp4<\/a><\/video><\/div>\n
 <\/p>\n","protected":false},"excerpt":{"rendered":"
OpenCV\uc5d0\uc11c\ub294 \uba87\uac00\uc9c0 \uadf8\ub9ac\uae30 \ud568\uc218\ub97c \uc81c\uacf5\ud55c\ub2e4. \uac01 \uadf8\ub9ac\uae30 \ud568\uc218\uc5d0 \ub300\ud574\uc11c \uc54c\uc544\ubcf4\uace0 \uc548\ub4dc\ub85c\uc774\ub4dc\uc6a9 \uc608\uc81c\ub97c \ub9cc\ub4e4\uc5b4\ubcf8\ub2e4. \uc9c1\uc120 \uadf8\ub9ac\uae30 line(img, pt1, pt2, color, thickness, lineType, shift) img: \uadf8\ub9bc\uc744 \uadf8\ub9b4 \uc601\uc0c1 pt1: \uc2dc\uc791\uc810 pt2: \ub05d\uc810 color: \uc120 \uc0c9\uc0c1 (B,G,R)\u00a0 thickness: \uc120 \ub450\uaed8 lineType: \uc120 \ud0c0\uc785; LINE_8(\uae30\ubcf8\uac12), LINE_4, LINE_AA shift: \uadf8\ub9ac\uae30 \uc88c\ud45c \uac12\uc758 \ucd95\uc18c \ube44\uc728. \uae30\ubcf8\uac12\uc740 […]<\/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\/44790"}],"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=44790"}],"version-history":[{"count":5,"href":"https:\/\/charlezz.com\/index.php?rest_route=\/wp\/v2\/posts\/44790\/revisions"}],"predecessor-version":[{"id":44857,"href":"https:\/\/charlezz.com\/index.php?rest_route=\/wp\/v2\/posts\/44790\/revisions\/44857"}],"wp:attachment":[{"href":"https:\/\/charlezz.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=44790"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/charlezz.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=44790"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/charlezz.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=44790"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}