{"id":194,"date":"2006-11-05T14:39:00","date_gmt":"2006-11-05T14:39:00","guid":{"rendered":"http:\/\/www.gisdeveloper.co.kr\/?p=194"},"modified":"2017-01-29T14:24:26","modified_gmt":"2017-01-29T05:24:26","slug":"opencv%eb%a5%bc-%ec%9d%b4%ec%9a%a9%ed%95%9c-%ec%9b%80%ec%a7%81%ec%9d%b4%eb%8a%94-%eb%ac%bc%ec%b2%b4-%ea%b2%80%ec%b6%9c%ed%95%98%ea%b8%b0","status":"publish","type":"post","link":"http:\/\/www.gisdeveloper.co.kr\/?p=194","title":{"rendered":"OpenCV\ub97c \uc774\uc6a9\ud55c \uc6c0\uc9c1\uc774\ub294 \ubb3c\uccb4 \uac80\ucd9c\ud558\uae30"},"content":{"rendered":"<p>\uc791\ub144 8\uc6d4\ucbe4 (\ud68c\uc0ac \uc785\uc0ac\ub54c\ucbe4\uc774\ub77c \uae30\uc5b5\ud558\uace0 \uc788\uc74c)\uc5d0 \ub9c8\uc18c \uc7a1\uc9c0\ub97c \ub4a4\uc801\uc774\ub358 \uc911\uc5d0 OpenCV\ub77c\ub294 \uc624\ud508\uc18c\uc2a4\uc758 Computer Vision \ub77c\uc774\ube0c\ub7ec\ub9ac\ub97c \uc54c\uac8c \ub418\uc5c8\ub2e4. \uc774\uac8c &#8220;\ubb3c\uac74&#8221;\uc774\uad6c\ub098\ub77c\ub294 \uac83\uc744 \ub290\uaf08\uace0, \ub2e4\uc6b4\ub85c\ub4dc \ubc1b\uc544 \ub300\ucda9\uc774\ub77c\ub3c4 \uc0b4\ud3b4 \ubcf4\uc558\uc9c0\ub9cc, \uc7a0\uc2dc \uc2dc\uac04\uc758 \ud750\ub984\uacfc \ud568\uaed8 \ub0b4 \uad00\uc2ec\ubc16\uc73c\ub85c \ubc00\ub824\ub098\uac14\ub2e4. \uadf8\ub7ec\ub358\uc911\uc5d0&#8230; \uc694\uc998 \uc624\ud508\uc18c\uc2a4\uc778 Ogre3D\ub3c4 \ubd84\uc11d\ud574\ubcf4\uace0 \ud558\ub358\ucc28\uc5d0, OpenCV\uac00 \uc0dd\uac01\ub0ac\ub2e4. GIS\uc5d0\uc11c \uc704\uc131\uc601\uc0c1\uc774\ub098 \ud56d\uacf5\uc601\uc0c1\uc73c\ub85c\ubd80\ud130 \ub370\uc774\ud130\ub97c \ucd94\ucd9c\ud558\ub294 \ub4f1, \uc774\ubbf8\uc9c0 \ucc98\ub9ac \ubd84\uc57c\ub294 \ub9e4\uc6b0 \uc911\uc694\ud558\uace0 \uc55e\uc73c\ub85c \ub354\uc6b1 \uc911\uc694\ud574\uc9c8 \uac83\uc774\ub2e4.<\/p>\n<p>\uba3c\uc800 OpenCV\uac00 \ubb50\uc5d0 \uc4f0\ub294 \ubb3c\uac74\uc778\uc9c0\ub294 \uc54c\uc544\uc11c\ub4e4 \uc54c\uc544\ub0b4\uc2dc\uace0&#8230;(\ub728\ud5c9~ -_-;) \uc774\ubc88\uc5d4 OpenCV\uc758 \uae30\ub2a5\uc911 \ube59\uc0b0\uc758 \uc77c\uac01\uc778 \ud654\uc0c1\uce74\uba54\ub77c\ub85c\ubd80\ud130 \uc601\uc0c1\uc744 \ucde8\ub4dd\ud55c \ud6c4\uc5d0, \ucde8\ub4dd\ud55c \uc601\uc0c1\uc5d0\uc11c \uc6c0\uc9c1\uc774\ub294 \ubb3c\uccb4\ub97c \uac80\ucd9c\ud574\ubcf4\ub294 \uae30\ub2a5\uc744 \uc791\uc131\ud574 \ubcf4\uc558\ub2e4. \ub9e4\uc6b0 \ub2e4\uc591\ud558\uace0 \ud6a8\uc728\uc801\uc778 \ubc29\ubc95\uc774 \ub9ce\uc774 \uc788\uc744\uc9c0 \ubaa8\ub974\uaca0\uc9c0\ub9cc, \ub2f9\uc7a5 \uc0dd\uac01\ub098\ub294 \ubc29\ubc95\uc740 \ud604\uc7ac \ud504\ub808\uc784 \uc601\uc0c1\uacfc \ubc14\ub85c \uc774\uc804 \ud504\ub808\uc784 \uc601\uc0c1\uc5d0 \ub300\ud55c \uac19\uc740 \uc704\uce58\uc758 \ud654\uc18c\uac12\uc744 \ube44\uad50\ud574\uc11c \ub2e4\ub974\uba74 \uc6c0\uc9c1\uc774\ub294 \ubb3c\uccb4\uc5d0 \ub300\ud55c \ud654\uc18c\uc77c \uac83\uc774\ub77c\ub294 \uc544\uc774\ub514\uc5b4\ub85c \uc811\uadfc\ud574 \ubcf4\uc558\ub2e4.<\/p>\n<figure style=\"width: 510px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.gisdeveloper.co.kr\/wp-content\/uploads\/1\/1373763441.jpg\" alt=\"\" width=\"510\" height=\"218\" \/><figcaption class=\"wp-caption-text\">\uc800\uac70 \ub0b4 \uc67c\uc190~<\/figcaption><\/figure>\n<p>\ud558\uc9c0\ub9cc \ub3d9\uc77c\ud55c \uc704\uce58\uc758 \ud654\uc18c\uac12\uc774 \ub450 \ud504\ub808\uc784 \uc774\ubbf8\uc9c0\uac00 \uc815\ud655\ud788 \uc77c\uce58\ub77c\ub294 \ube44\uad50\ub294 \ubb34\ub9ac\uac00 \uc788\uc5c8\ub2e4. \ud654\uc0c1\uce74\uba54\ub77c\uc5d0\uc11c \ucde8\ub4dd\ud558\ub294 \uc601\uc0c1\uc740, \ube44\ub85d \uc6c0\uc9c1\uc774\ub294 \ubb3c\uccb4\uac00 \uc5c6\uc744\uc9c0\ub77c\ub3c4 \ubbf8\uc138\ud558\uac8c\ub098\ub9c8 \uc5f0\uc18d\ub41c \ud504\ub808\uc784\uc77c\uc9c0\ub77c\ub3c4 \ub2e4\ub974\uac8c \ucde8\ub4dd\ub418\uc5c8\ub2e4. \uadf8\ub798\uc11c \ub3d9\uc77c\ud55c \uc704\uce58\uc758 \ud654\uc18c\uac12\uc758 \ucc28\uc774\uac00 \uc5b4\ub290 \uc815\ub3c4\uc758 \ucc28\uc774\uac00 \ub0a0\ub54c \uc6c0\uc9c1\uc774\ub294 \ubb3c\uccb4\ub2e4.. \ub77c\ub294 \uae30\uc900\uc73c\ub85c \uc811\uadfc\uc744 \ud574 \ubcf4\uc558\ub2e4. \uacb0\uacfc\ub294 \ucc98\uc74c\uce58\uace4 \ub9cc\uc871\ud560 \ub9cc\ud588\ub2e4.<\/p>\n<p>\uc544\ub798\ub294 \ud504\ub808\uc784 \uc601\uc0c1\uc744 \ubc1b\uc544\uc11c \uc2e4\uc81c \uc6c0\uc9c1\uc774\ub294 \ubb3c\uccb4\ub97c \uac80\ucd9c\ud574\uc8fc\ub294 \uc18c\uc2a4\ucf54\ub4dc\uc774\ub2e4.<\/p>\n<pre><code class=\"cpp\">void OnFrame(IplImage* image) {\t\r\n    HDC hDC = GetDC(m_hWnd);\r\n    SetDIBitsToDevice(hDC, 0, 0, image->width, image->height, 0, 0, 0, \r\n\timage->height, image->imageData, (BITMAPINFO *)&amp;m_bmpInfo,\r\n         DIB_RGB_COLORS);\t\r\n    SetDIBitsToDevice(hDC, 330, 0, image->width, image->height, 0, 0, 0,\r\n        image->height, image->imageData, (BITMAPINFO *)&amp;m_bmpInfo,\r\n        DIB_RGB_COLORS);\r\n\r\n    IplImage* gray=cvCreateImage(cvGetSize(image), IPL_DEPTH_8U, 1);\r\n    cvCvtColor(image, gray, CV_BGR2GRAY);\r\n\r\n    if(bHasOldImage) {\r\n\tHRGN hRgn = CreateRectRgn(330, 0, 330+320, 240);\r\n\tSelectClipRgn(hDC, hRgn);\r\n\tfloat CriticalValue = 15.0f;\r\n\t    for(int x=0; xwidth; x+=6) {  \r\n\t\tfor(int y=0; yheight; y+=6) {   \r\n\t\t    uchar c1 = ((uchar*)(gray->imageData + \r\n\t\t\tgray->widthStep*y))[x];   \r\n\t\t    uchar c2 = ((uchar*)(m_oldGrayImage->imageData +\r\n                            m_oldGrayImage->widthStep*y))[x];\r\n\t\t\t\r\n\t\t    if(fabs(float((float)c1-(float)c2))>CriticalValue) \r\n\t\t    {\r\n\t\t\tint X = 330+x;    \r\n\t\t\tint Y = image->height-1-y;    \r\n\t\t\tRectangle(hDC, X-3, Y-3, X+3, Y+3);   \r\n\t\t    }  \r\n\t\t}\r\n\t    }\r\n\tDeleteObject(hRgn);\r\n    }\r\n\r\n    m_oldGrayImage=cvCreateImage(cvGetSize(image), IPL_DEPTH_8U, 1);\r\n    cvCvtColor(image, m_oldGrayImage, CV_BGR2GRAY );\r\n    bHasOldImage = true;\r\n    ReleaseDC(m_hWnd, hDC);\r\n}<\/code><\/pre>\n<p>\ub300\ub7b5 \uc124\uba85\ud574 \ubcf8\ub2e4\uba74, \uc6b0\uc120 OnFrame \ud568\uc218\ub294 OpenCV\uc5d0\uc11c \ud654\uc0c1\uce74\uba54\ub77c\ub85c\ubd80\ud130 \uc601\uc0c1\uc774 \ub4e4\uc5b4\uc62c\ub54c \uc2e4\ud589\ub418\ub294 Callback \ud568\uc218\uc774\ub2e4. \uc601\uc0c1\uc740 24\ube44\ud2b8\ub85c \ub4e4\uc5b4\uc624\ub294\ub370 \uc18d\ub3c4\uc640 \uacc4\uc0b0\uc744 \uac04\ub2e8\ud558\uac8c \ud558\uae30 \uc704\ud574\uc11c 8\ube44\ud2b8\uc778 Gray\ub85c \ubcc0\ud658\ud558\uae30 \uc704\ud574 cvGray\ub97c \uc0ac\uc6a9\ud558\uc600\ub2e4. \uc5f0\uc18d\ub418\ub294 \ud504\ub808\uc784 \uc601\uc0c1\uc758 \uac19\uc740 \uc704\uce58\uc758 \ud654\uc18c\uac12\uc744 \ube44\uad50\ud558\uc5ec \uc6c0\uc9c1\uc774\ub294 \ubb3c\uccb4\uc5d0 \ub300\ud55c \ud654\uc18c\uc778\uc9c0\uc758 \ube44\uad50\ud55c \ucc28\uc774\uac12\uc73c\ub85c 15\ub97c \uc0ac\uc6a9\ud558\uc600\uc74c\uc744 \uc54c \uc218 \uc788\ub2e4. \ucc28\uc774\uac12\uc774 15\uc774\uc0c1\uc778 \ud654\uc18c\uc758 \uc704\uce58\uc5d0 White Box\ub97c \uadf8\ub824\uc8fc\uc5c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uc791\ub144 8\uc6d4\ucbe4 (\ud68c\uc0ac \uc785\uc0ac\ub54c\ucbe4\uc774\ub77c \uae30\uc5b5\ud558\uace0 \uc788\uc74c)\uc5d0 \ub9c8\uc18c \uc7a1\uc9c0\ub97c \ub4a4\uc801\uc774\ub358 \uc911\uc5d0 OpenCV\ub77c\ub294 \uc624\ud508\uc18c\uc2a4\uc758 Computer Vision \ub77c\uc774\ube0c\ub7ec\ub9ac\ub97c \uc54c\uac8c \ub418\uc5c8\ub2e4. \uc774\uac8c &#8220;\ubb3c\uac74&#8221;\uc774\uad6c\ub098\ub77c\ub294 \uac83\uc744 \ub290\uaf08\uace0, \ub2e4\uc6b4\ub85c\ub4dc \ubc1b\uc544 \ub300\ucda9\uc774\ub77c\ub3c4 \uc0b4\ud3b4 \ubcf4\uc558\uc9c0\ub9cc, \uc7a0\uc2dc \uc2dc\uac04\uc758 \ud750\ub984\uacfc \ud568\uaed8 \ub0b4 \uad00\uc2ec\ubc16\uc73c\ub85c \ubc00\ub824\ub098\uac14\ub2e4. \uadf8\ub7ec\ub358\uc911\uc5d0&#8230; \uc694\uc998 \uc624\ud508\uc18c\uc2a4\uc778 Ogre3D\ub3c4 \ubd84\uc11d\ud574\ubcf4\uace0 \ud558\ub358\ucc28\uc5d0, OpenCV\uac00 \uc0dd\uac01\ub0ac\ub2e4. GIS\uc5d0\uc11c \uc704\uc131\uc601\uc0c1\uc774\ub098 \ud56d\uacf5\uc601\uc0c1\uc73c\ub85c\ubd80\ud130 \ub370\uc774\ud130\ub97c \ucd94\ucd9c\ud558\ub294 \ub4f1, \uc774\ubbf8\uc9c0 \ucc98\ub9ac \ubd84\uc57c\ub294 \ub9e4\uc6b0 \uc911\uc694\ud558\uace0 \uc55e\uc73c\ub85c \ub354\uc6b1 \uc911\uc694\ud574\uc9c8 &hellip; <\/p>\n<p class=\"link-more\"><a href=\"http:\/\/www.gisdeveloper.co.kr\/?p=194\" class=\"more-link\">\ub354 \ubcf4\uae30<span class=\"screen-reader-text\"> &#8220;OpenCV\ub97c \uc774\uc6a9\ud55c \uc6c0\uc9c1\uc774\ub294 \ubb3c\uccb4 \uac80\ucd9c\ud558\uae30&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[],"class_list":["post-194","post","type-post","status-publish","format-standard","hentry","category-gis-working-history"],"_links":{"self":[{"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=\/wp\/v2\/posts\/194","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=194"}],"version-history":[{"count":1,"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=\/wp\/v2\/posts\/194\/revisions"}],"predecessor-version":[{"id":3709,"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=\/wp\/v2\/posts\/194\/revisions\/3709"}],"wp:attachment":[{"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=194"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=194"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=194"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}