{"id":1113,"date":"2012-08-17T02:17:03","date_gmt":"2012-08-16T17:17:03","guid":{"rendered":"http:\/\/daily.belltail.jp\/?p=1113"},"modified":"2012-08-18T14:35:35","modified_gmt":"2012-08-18T05:35:35","slug":"opencv%e3%81%ae%e4%ba%8c%e5%80%a4%e7%94%bb%e5%83%8f%e3%81%8b%e3%82%89%e3%81%ae%e7%94%bb%e7%b4%a0%e5%80%a4%e3%81%ae%e5%8f%96%e5%be%97%e3%81%a7%e3%83%8f%e3%83%9e%e3%81%a3%e3%81%9f","status":"publish","type":"post","link":"https:\/\/daily.belltail.jp\/?p=1113","title":{"rendered":"OpenCV\u306e\u4e8c\u5024\u753b\u50cf\u304b\u3089\u306e\u753b\u7d20\u5024\u306e\u53d6\u5f97\u3067\u30cf\u30de\u3063\u305f"},"content":{"rendered":"

OpenCV\u306e\u753b\u50cf\u5f62\u5f0fcv::Mat\u306f\u3044\u308d\u3093\u306a\u683c\u7d0d\u65b9\u5f0f\u304c\u3067\u304d\u3066\uff0c\u4e8c\u5024\u753b\u50cf\u3082\u3082\u3061\u308d\u3093\u3044\u3051\u308b\u3093\u3067\u3059\u304c\uff0c\u753b\u7d20\u5024\u3092\u500b\u5225\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3068\u304d\u306e\u3084\u308a\u65b9\u3067\u3046\u3063\u304b\u308a\u3057\u305f\u30df\u30b9\u3067\u30cf\u30de\u3063\u3066\u3057\u307e\u3044\u307e\u3057\u305f\uff0e<\/p>\n

\u3068\u3044\u3046\u3053\u3068\u3067\u81ea\u8650\u3092\u517c\u306d\u3066\u30e1\u30e2\uff0e\uff08\u9006\u3067\u306f<\/p>\n

\r\n\/\/\u753b\u50cf\u3092\u8aad\u307f\u8fbc\u3080\r\ncv::Mat img = cv::imread("fugafuga.png", CV_LOAD_IMAGE_GRAYSCALE);\r\n\r\n\/\/\u5927\u6d25\u306e\u65b9\u6cd5\u3067\u4e8c\u5024\u5316\uff0e\u3053\u3046\u3059\u308b\u3068\u4e8c\u5024\u753b\u50cf\u306e\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3067Mat\u306b\u683c\u7d0d\u3057\u3066\u304f\u308c\u307e\u3059\r\n\/\/src\u3068dst\u304c\u4e00\u7dd2\u3067\u3059\u304c\u4e00\u5fdc\u554f\u984c\u306a\u3044\u3067\u3059\r\ncv::threshold(img, img, 0, 255, CV_THRESH_BINARY | CV_THRESH_OTSU);\r\n\r\n\/\/\u5168\u753b\u7d20\u3092PGM\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3067\u51fa\u3057\u3066\u307f\u308b\r\nstd::cout << "P1" << std::endl;\r\nstd::cout << img.cols << " " << img.rows << std::endl;\r\nfor(int y = 0; y < img.rows; y++)\r\n{\r\n    for(int x = 0; x < img.cols; x++)\r\n    {\r\n        \/\/std::cout << img.at<int>(y, x) << " ";    \/\/\u307e\u3061\u304c\u3044\uff01\uff01\r\n        std::cout << static_cast<int>(img.at<unsigned char>(y, x)) << " ";\r\n    }\r\n    std::cout << std::endl;\r\n}\r\n<\/pre>\n
at<int>()\u306f\u30ab\u30e9\u30fc\u753b\u50cf\u306eBGRA\u3092\u3054\u305d\u3063\u3068\u53d6\u308a\u51fa\u3059\u3068\u304d\u7528\u3060\u3063\u305f\u308a\u3059\u308b\u306e\u3067\uff0c\u4e8c\u5024\u753b\u50cf\u306e\u753b\u7d20\u5024\u3092\u51fa\u3059\u3068\u304d\u306fat<unsigned char>()\u3092\u4f7f\u3044\u307e\u3057\u3087\u3046<\/span>\u3068\u3044\u3046\u304a\u8a71\u3067\u3057\u305f\uff0estatic_cast\u306f\u3079\u3064\u306b\u305b\u3093\u3067\u3082\u3048\u3048\u3067\u3059\uff0e
\n\u3061\u306a\u307f\u306bat<int>()\u3067\u3084\u308b\u3068\u4e8b\u5b9f\u4e0a\u306e\u30b4\u30df\u304c\u51fa\u3066\u304d\u307e\u3059\uff0e
\n\u4f55\u3092\u3044\u307e\u3055\u3089\u3053\u3093\u306a\u3068\u3053\u308d\u3067\u3064\u307e\u3065\u3044\u3066\u308b\u306e\u304b\u5c0f\u4e00\u6642\u9593\u554f\u3044\u8a70\u3081\u305f\u3044\uff0e<\/p>\n","protected":false},"excerpt":{"rendered":"
OpenCV\u306e\u753b\u50cf\u5f62\u5f0fcv::Mat\u306f\u3044\u308d\u3093\u306a\u683c\u7d0d\u65b9\u5f0f\u304c\u3067\u304d\u3066\uff0c\u4e8c\u5024\u753b\u50cf\u3082\u3082\u3061\u308d\u3093\u3044\u3051\u308b\u3093\u3067\u3059\u304c\uff0c\u753b\u7d20\u5024\u3092\u500b\u5225\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3068\u304d\u306e\u3084\u308a\u65b9\u3067\u3046\u3063\u304b\u308a\u3057\u305f\u30df\u30b9\u3067\u30cf\u30de\u3063\u3066\u3057\u307e\u3044\u307e\u3057\u305f\uff0e \u3068\u3044\u3046\u3053\u3068\u3067\u81ea\u8650\u3092\u517c\u306d\u3066\u30e1\u30e2\uff0e\uff08\u9006\u3067\u306f  […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[12,16,17,18],"class_list":["post-1113","post","type-post","status-publish","format-standard","hentry","category-1","tag-c","tag-cv","tag-opencv","tag-18"],"_links":{"self":[{"href":"https:\/\/daily.belltail.jp\/index.php?rest_route=\/wp\/v2\/posts\/1113","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/daily.belltail.jp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/daily.belltail.jp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/daily.belltail.jp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/daily.belltail.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1113"}],"version-history":[{"count":0,"href":"https:\/\/daily.belltail.jp\/index.php?rest_route=\/wp\/v2\/posts\/1113\/revisions"}],"wp:attachment":[{"href":"https:\/\/daily.belltail.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1113"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/daily.belltail.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1113"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/daily.belltail.jp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1113"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}