{"id":2506,"date":"2011-11-25T11:53:43","date_gmt":"2011-11-25T02:53:43","guid":{"rendered":"http:\/\/www.moonmile.net\/blog\/archives\/2506"},"modified":"2011-11-25T17:14:36","modified_gmt":"2011-11-25T08:14:36","slug":"%e7%89%b9%e5%ae%9a%e7%82%b9%e3%81%a7%e3%83%86%e3%83%b3%e3%83%97%e3%83%ac%e3%83%bc%e3%83%88%e3%83%9e%e3%83%83%e3%83%81%e3%83%b3%e3%82%b0%e3%82%92%e8%a1%8c%e3%81%86%e3%81%9f%e3%82%81%e3%81%ae%e8%80%83","status":"publish","type":"post","link":"https:\/\/www.moonmile.net\/blog\/archives\/2506","title":{"rendered":"\u7279\u5b9a\u70b9\u3067\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u30de\u30c3\u30c1\u30f3\u30b0\u3092\u884c\u3046\u305f\u3081\u306e\u8003\u5bdf"},"content":{"rendered":"<p>\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u30de\u30c3\u30c1\u30f3\u30b0\u6cd5\u3092\u4f7f\u3046\u3068\u3001\u6559\u5e2b\u753b\u50cf\u3092\u5b9f\u753b\u50cf\u304b\u3089\u7c21\u5358\u306b\u691c\u7d22\u3067\u304d\u308b\u306e\u3060\u304c\u3001\u76f8\u95a2\u4fc2\u6570\uff08CV_TM_CCOEFF_NORMED\uff09\u3092\u4f7f\u3063\u3066\u63a2\u7d22\u3092\u3059\u308b\u3068\u7d50\u69cb\u9045\u3044&#8230;\u3068\u3044\u3046\u304b\u3001\u3053\u308c\u304c\u76ee\u3067\u99d2\u3092\u8ffd\u3046\u3084\u308a\u65b9\u306a\u306e\u304b\u3069\u3046\u304b\u304c\u7591\u554f\u3060\u3063\u305f\u308a\u3057\u307e\u3059\u3002<\/p>\n<p>\u306a\u306e\u3067\u3001\u4ee5\u4e0b\u306f\u3001\u3061\u3087\u3063\u3068\u8003\u5bdf\u3002<\/p>\n<p>\u306a\u306b\u3082\u3001\u6559\u5e2b\u753b\u50cf\u306e\u3059\u3079\u3066\u3092\u30de\u30c3\u30c1\u30f3\u30b0\u3055\u305b\u308b\u5fc5\u8981\u306f\u306a\u304f\u3066\u3001\u6559\u5e2b\u753b\u50cf\u306e<strong>\u7279\u5fb4\u3092\u63b4\u3093<\/strong>\u3067\u3001\u5b9f\u753b\u50cf\u3068\u30de\u30c3\u30c1\u30f3\u30b0\u3055\u305b\u308c\u3070\u3088\u3044\u306e\u3067\u3059\u3002\u3053\u308c\u3092<strong>\u7279\u5fb4\u91cf<\/strong>\u3068\u3044\u3046\u8a00\u3044\u65b9\u3092\u3059\u308b\u306e\u3067\u3059\u304c\u3001\u3053\u306e\u7279\u5fb4\u91cf\u306e\u5b9a\u7fa9\u3068\u3057\u3066\u8003\u3048\u3089\u308c\u308b\u306e\u304c\u3001<\/p>\n<ul>\n<li>\u6559\u5e2b\u753b\u50cf\u306e\u3001\u8272\u3067\u691c\u51fa\u3059\u308b\u3002<\/li>\n<li>\u6559\u5e2b\u753b\u50cf\u306e\u3001\u5f62\u3067\u691c\u51fa\u3059\u308b\u3002<\/li>\n<li>\u6559\u5e2b\u753b\u50cf\u306e\u3001\u767d\u9ed2\u753b\u50cf\u3067\u691c\u51fa\u3059\u308b\u3002<\/li>\n<li>\u6559\u5e2b\u753b\u50cf\u306e\u3001\u89d2\u3067\u691c\u51fa\u3059\u308b\u3002<\/li>\n<\/ul>\n<p>\u3068\u3044\u3046\u3084\u308a\u65b9\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u753b\u50cf\u51e6\u7406 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href=\"http:\/\/www.moonmile.net\/blog\/wp-content\/uploads\/2011\/11\/wpid-dworkblogimage20111125_01org.jpg\"><img decoding=\"async\" src=\"http:\/\/www.moonmile.net\/blog\/wp-content\/uploads\/2011\/11\/wpid-dworkblogimage20111125_01thum.jpg\" border=\"0\" \/><\/a><br \/>\n<a href=\"http:\/\/www.moonmile.net\/blog\/wp-content\/uploads\/2011\/11\/wpid-dworkblogimage20111125_02org.jpg\"><img decoding=\"async\" src=\"http:\/\/www.moonmile.net\/blog\/wp-content\/uploads\/2011\/11\/wpid-dworkblogimage20111125_02thum.jpg\" border=\"0\" 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\/>\n\u3053\u306e\u77ed\u3044\u9593\u306b\u8a08\u7b97\u3092\u7d42\u3048\u308b\u305f\u3081\u306b\u306f\u3001\u3042\u3089\u304b\u3058\u3081\u3001\u691c\u51fa\u3059\u3079\u304d\u7279\u5fb4\u3092\u982d\u306b\u53e9\u304d\u8fbc\u3093\u3067\u304a\u3044\u3066\u5b9f\u753b\u50cf\u304b\u3089\u7d20\u65e9\u304f\u30d4\u30c3\u30af\u30a2\u30c3\u30d7\u3057\u306a\u3051\u308c\u3070\u3044\u3051\u307e\u305b\u3093\u3002\u4f8b\u3048\u308b\u306a\u3089\u3070\u3001\u30b5\u30c3\u30ab\u30fc\u9078\u624b\u304c\u9996\u3092\u632f\u3063\u305f\u77ac\u9593\u306b\u3001\u30c1\u30fc\u30e0\u30ab\u30e9\u30fc\u3067\u5473\u65b9\u3068\u6575\u306e\u9078\u624b\u306e\u4f4d\u7f6e\u3092\u628a\u63e1\u3059\u308b\u3088\u3046\u306a\u3082\u306e\u3067\u3059\u3002\u306a\u306e\u3067\u3001\u3042\u3089\u304b\u3058\u3081\u6559\u5e2b\u753b\u50cf\u304b\u3089\u7279\u5fb4\u91cf\u3092\u6c7a\u3081\u3066\u304a\u304d\u3001\u691c\u51fa\u3059\u308b\u7b87\u6240\u3082\u6570\u304b\u6240\u304b\u3089\u6570\u5341\u304b\u6240\u306b\u7d5e\u308a\u8fbc\u3093\u3067\u304a\u3044\u3066\u3001\u5b9f\u753b\u50cf\u3068\u30de\u30c3\u30c1\u30f3\u30b0\u3055\u305b\u307e\u3059\u3002\u3053\u306e\u5834\u5408\u3001\u8aa4\u691c\u51fa\u306f\u51fa\u308b\u3067\u3057\u3087\u3046\u304c\u3001\u305d\u308c\u306f 6 \u306e\u518d\u691c\u51fa\u3042\u308b\u3044\u306f\u3001\u7279\u5fb4\u81ea\u4f53\u3092\u6570\u7a2e\u985e\u3067\u53d6\u308a\u8fbc\u3080\u3053\u3068\u3067\u691c\u51fa\u7387\u3092\u4e0a\u3052\u308b\u3088\u3046\u306b\u3057\u307e\u3059\uff08\u691c\u51fa\u7387\u3092\u4e0a\u3052\u308b\u3068\u3044\u3046\u78ba\u7387\u306e\u65b9\u6cd5\u3092\u53d6\u308a\u3001100% \u306e\u5b8c\u5168\u6027\u306f\u6c42\u3081\u306a\u3044\u3068\u3053\u308d\u304c\u30df\u30bd\u3067\u3059\uff09\u3002<\/p>\n<p>\u3067\u3001\u305d\u3093\u306a\u3053\u3093\u306a\u3067\u3001\u7279\u5fb4\u7b87\u6240\u3060\u3051\u3067\u30de\u30c3\u30c1\u30f3\u30b0\u3092\u3059\u308b\u305f\u3081\u306b\u306f\u3001cv::matchTemplate \u95a2\u6570\u306b\u30de\u30b9\u30af\u5024\u304b\u63a2\u7d22\u4f4d\u7f6e\u3092\u6e21\u3059\u5fc5\u8981\u304c\u3042\u308b\u306e\u3067\u3001\u30b3\u30fc\u30c9\u3092\u6539\u9020\u3059\u308b\u3057\u304b\u306a\u3044\u306e\u304b\u306a\u3041\u3001\u3068\u601d\u3063\u3066\u30bd\u30fc\u30b9\u3092\u8ffd\u3063\u3066\u3044\u305f\u3068\u3053\u308d\u3002<\/p>\n<p>templmatch.cpp \u306e 235 \u884c\u76ee\u304b\u3089 cv::matchTemplate \u95a2\u6570\u306e\u8a18\u8ff0\u304c\u3042\u3063\u3066\u3001sum \u90e8\u5206\u306f 269 \u884c\u76ee\u304b\u3089\u30012 \u6b21\u5143\u306e\u7e70\u308a\u8fd4\u3057\u90e8\u5206\u306f\u3001318 \u884c\u76ee\u304b\u3089\u306b\u306a\u3063\u3066\u3044\u308b\u306e\u3067\u3001\u305d\u308c\u306a\u308a\u306b\u6539\u9020\u3067\u304d\u305d\u3046\u304b\u306a\u3068\u3002<\/p>\n<pre class=\"brush: cpp; title: ; notranslate\" title=\"\">\r\n    for( i = 0; i &lt; result.rows; i++ )\r\n    {\r\n        float* rrow = (float*)(result.data + i*result.step);\r\n        int idx = i * sumstep;\r\n        int idx2 = i * sqstep;\r\n\r\n        for( j = 0; j &lt; result.cols; j++, idx += cn, idx2 += cn )\r\n        {\r\n\t\t\t\/\/ \u3053\u3053\u3067 mask \u3092\u6e21\u3057\u3066\u304a\u3044\u3066\u3001\r\n\t\t\t\/\/ if ( mask(i,j) == 0 ) continue ;\r\n\t\t\t\/\/ \u306e\u3088\u3046\u306b skip \u3055\u305b\u308c\u3070 ok ?\r\n\t\t\t\/\/ \u52a0\u3048\u3066\u3001sum \u3092\u8a08\u7b97\u3057\u3066\u3044\u308b\u3068\u3053\u308d\u3082 mask \u3092\u898b\u308b\u3088\u3046\u306b\u4fee\u6b63\uff1f\r\n\r\n            double num = rrow&#x5B;j], t;\r\n            double wndMean2 = 0, wndSum2 = 0;\r\n\r\n            if( numType == 1 )\r\n            {\r\n\t\t\t\t\/\/ CV_TM_CCOEFF CV_TM_CCOEFF_NORMED \u306e\u30eb\u30fc\u30d7\r\n                for( k = 0; k &lt; cn; k++ )\r\n                {\r\n                    t = p0&#x5B;idx+k] - p1&#x5B;idx+k] - p2&#x5B;idx+k] + p3&#x5B;idx+k];\r\n                    wndMean2 += CV_SQR(t);\r\n                    num -= t*templMean&#x5B;k];\r\n                }\r\n\r\n                wndMean2 *= invArea;\r\n            }\r\n\r\n            if( isNormed || numType == 2 )\r\n            {\r\n                for( k = 0; k &lt; cn; k++ )\r\n                {\r\n                    t = q0&#x5B;idx2+k] - q1&#x5B;idx2+k] - q2&#x5B;idx2+k] + q3&#x5B;idx2+k];\r\n                    wndSum2 += t;\r\n                }\r\n\r\n                if( numType == 2 )\r\n                    num = wndSum2 - 2*num + templSum2;\r\n            }\r\n\r\n            if( isNormed )\r\n            {\r\n\t\t\t\t\/\/ CV_TM_CCOEFF_NORMED \u306e\u7b87\u6240\r\n                t = sqrt(MAX(wndSum2 - wndMean2,0))*templNorm;\r\n                if( fabs(num) &lt; t )\r\n                    num \/= t;\r\n                else if( fabs(num) &lt; t*1.125 )\r\n                    num = num &gt; 0 ? 1 : -1;\r\n                else\r\n                    num = method != CV_TM_SQDIFF_NORMED ? 0 : 1;\r\n            }\r\n\r\n            rrow&#x5B;j] = (float)num;\r\n        }\r\n    }\r\n<\/pre>\n<p>\u3053\u308c\u3092\u6d41\u7528\u3057\u3066\u30de\u30b9\u30af\u753b\u50cf\u3092\u6e21\u3059\u65b9\u5f0f\u306b\u3059\u308b\u306e\u304b\u3001x,y \u5ea7\u6a19\u3092\u542b\u3081\u305f 1 \u6b21\u5143\u914d\u5217\u3092\u6e21\u3059\u306e\u304c\u3088\u3044\u306e\u304b\u3001\u601d\u6848\u4e2d\u3002<br \/>\n2 \u6b21\u5143\u306e mask \u3092\u53d6\u308b\u307b\u3046\u304c\u697d\u307f\u305f\u3044\u3060\u304c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u30de\u30c3\u30c1\u30f3\u30b0\u6cd5\u3092\u4f7f\u3046\u3068\u3001\u6559\u5e2b\u753b\u50cf\u3092\u5b9f\u753b\u50cf\u304b\u3089\u7c21\u5358\u306b\u691c\u7d22\u3067\u304d\u308b\u306e\u3060\u304c\u3001\u76f8\u95a2\u4fc2\u6570\uff08CV_TM_CCOEFF_NORMED\uff09\u3092\u4f7f\u3063\u3066\u63a2\u7d22\u3092\u3059\u308b\u3068\u7d50\u69cb\u9045\u3044&#8230;\u3068\u3044\u3046\u304b\u3001\u3053\u308c\u304c\u76ee\u3067\u99d2\u3092\u8ffd\u3046\u3084\u308a\u65b9\u306a\u306e\u304b\u3069\u3046\u304b\u304c\u7591 &hellip; <a href=\"https:\/\/www.moonmile.net\/blog\/archives\/2506\">\u7d9a\u304d\u3092\u8aad\u3080 <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[3,5,35],"tags":[],"class_list":["post-2506","post","type-post","status-publish","format-standard","hentry","category-dev","category-etc","category-opencv"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/posts\/2506","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/comments?post=2506"}],"version-history":[{"count":3,"href":"https:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/posts\/2506\/revisions"}],"predecessor-version":[{"id":2510,"href":"https:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/posts\/2506\/revisions\/2510"}],"wp:attachment":[{"href":"https:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/media?parent=2506"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/categories?post=2506"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/tags?post=2506"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}