{"id":1438,"date":"2016-11-10T12:16:51","date_gmt":"2016-11-10T03:16:51","guid":{"rendered":"http:\/\/www.digifie.jp\/blog\/?p=1438"},"modified":"2016-12-02T17:00:33","modified_gmt":"2016-12-02T08:00:33","slug":"python-cv2-houghcircles-%e3%81%a7%e5%86%86%e6%a4%9c%e5%87%ba","status":"publish","type":"post","link":"https:\/\/www.digifie.jp\/blog\/archives\/1438","title":{"rendered":"Python cv2.HoughCircles \u3067\u5186\u691c\u51fa"},"content":{"rendered":"<div class='wp_social_bookmarking_light'>        <div class=\"wsbl_facebook\"><a href='http:\/\/www.facebook.com\/share.php?u=https%3A%2F%2Fwww.digifie.jp%2Fblog%2Farchives%2F1438&t=Python%20cv2.HoughCircles%20%E3%81%A7%E5%86%86%E6%A4%9C%E5%87%BA' title='Facebook \u306b\u30b7\u30a7\u30a2' rel=nofollow class='wp_social_bookmarking_light_a' target=_blank><img src='https:\/\/www.digifie.jp\/blog\/wp-content\/plugins\/wp-social-bookmarking-light\/public\/images\/facebook.png' alt='Facebook \u306b\u30b7\u30a7\u30a2' title='Facebook \u306b\u30b7\u30a7\u30a2' width='16' height='16' class='wp_social_bookmarking_light_img' \/><\/a><\/div>        <div class=\"wsbl_twitter\"><a href=\"https:\/\/twitter.com\/share\" class=\"twitter-share-button\" data-url=\"https:\/\/www.digifie.jp\/blog\/archives\/1438\" data-text=\"Python cv2.HoughCircles \u3067\u5186\u691c\u51fa\" data-via=\"LLC DigiFie\" data-lang=\"ja\">Tweet<\/a><\/div><\/div>\n<br class='wp_social_bookmarking_light_clear' \/>\n<p>Python + Opencv3.1 \u3067 Web\u30ab\u30e1\u30e9\u304b\u3089\u306e\u6620\u50cf\u3067\u306e\u5186\u691c\u51fa\u3092\u8a66\u3057\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n<p><iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/WccjvEwQvVk\" frameborder=\"0\" allowfullscreen><\/iframe><\/p>\n<p>\u4eca\u56de\u691c\u51fa\u3067\u4f7f\u7528\u3057\u305f\u95a2\u6570\u3067\u306e\u5927\u307e\u304b\u306a\u6d41\u308c\u3068\u3057\u3066\u306f\u7e70\u308a\u8fd4\u3057\u51e6\u7406\u306e\u4e2d\u3067\u3001<\/p>\n<p>1. \u30ab\u30e1\u30e9\u3092\u30ad\u30e3\u30d7\u30c1\u30e3\u3057\u3066\u30b0\u30ec\u30fc\u30b9\u30b1\u30fc\u30eb\u306b\u5909\u63db\u3002<br \/>\n2. \u5e73\u6ed1\u5316\u3059\u308b\u3068\u8a8d\u8b58\u304c\u3088\u304f\u306a\u308b\u3089\u3057\u3044\u306e\u3067\u30ac\u30a6\u30b7\u30a2\u30f3\u30d6\u30e9\u30fc\u3092\u304b\u3051\u308b\u3002<br \/>\n3. \u8868\u793a\u7528\u30a4\u30e1\u30fc\u30b8\u3092\u7528\u610f\u3002<br \/>\n4. cv2.HoughCircles \u3067\u5186\u691c\u51fa\u3002<br \/>\n5. \u5186\u3092\u691c\u51fa\u3057\u305f\u3089\u8868\u793a\u7528\u30a4\u30e1\u30fc\u30b8\u306b\u56f2\u307f\u7dda\u3068\u4e2d\u5fc3\u70b9\u3092\u63cf\u753b<br \/>\n6. \u30d7\u30ec\u30d3\u30e5\u30fc\u753b\u50cf\u8868\u793a<\/p>\n<p>\u3068\u3044\u3063\u305f\u611f\u3058\u3067\u3001\u4e0b\u8a18\u304c\u8a8d\u8b58\u90e8\u5206\u306e\u30b3\u30fc\u30c9\u3067\u3059\u3002<\/p>\n<pre class=\"brush: python; title: ; notranslate\" title=\"\">\r\ndef hougeCircles():\r\n    while(cam.isOpened()):\r\n    \t# \u30ab\u30e1\u30e9\u306e\u30d5\u30ec\u30fc\u30e0\u3092\u30ad\u30e3\u30d7\u30c1\u30e3\r\n        ret, frame = cam.read()\r\n        # \u30df\u30e9\u30fc\r\n        frame = frame[:,::-1]\r\n        # \u5165\u529b\u753b\u50cf\u3092\u30ea\u30b5\u30a4\u30ba\r\n        size = (640, 480)\r\n        frame = cv2.resize(frame, size)\r\n        # \u30b0\u30ec\u30fc\u30b9\u30b1\u30fc\u30eb\u5316\r\n        gray = cv2.cvtColor(frame, cv2.COLOR_RGB2GRAY)\r\n        # \u8a8d\u8b58\u306e\u7cbe\u5ea6\u3092\u4e0a\u3052\u308b\u305f\u3081\u306b\u753b\u50cf\u3092\u5e73\u6ed1\u5316\r\n        gray = cv2.GaussianBlur(gray, (33,33), 1)\r\n\r\n        # \u8868\u793a\u7528\u30a4\u30e1\u30fc\u30b8\r\n        colimg = frame.copy() #cv2.cvtColor(gray, cv2.COLOR_GRAY2BGR)\r\n\r\n        # \u5186\u691c\u51fa\r\n        circles = cv2.HoughCircles(gray, cv2.HOUGH_GRADIENT, 1, 60, param1=10, param2=85, minRadius=10, maxRadius=80)\r\n        if circles != None:\r\n            circles = np.uint16(np.around(circles))\r\n            for i in circles[0,:]:\r\n                # \u56f2\u307f\u7dda\u3092\u63cf\u304f\r\n                cv2.circle(colimg,(i[0],i[1]),i[2],(255,255,0),2)\r\n                # \u4e2d\u5fc3\u70b9\u3092\u63cf\u304f\r\n                cv2.circle(colimg,(i[0],i[1]),2,(0,0,255),3)\r\n\r\n        # \u30d7\u30ec\u30d3\u30e5\u30fc\r\n        cv2.imshow('preview', colimg)\r\n        if cv2.waitKey(33) &gt;= 0:\r\n            break\r\n\r\n    # \u30eb\u30fc\u30d7\u3092\u629c\u3051\u305f\u3089\u7d42\u4e86\r\n    cv2.destroyAllWindows()\r\n<\/pre>\n<p>\u3067\u3082\u3053\u308c\u3001\u691c\u51fa\u306e\u7cbe\u5ea6\u306f\u305d\u3053\u305d\u3053\u3044\u3051\u308b\u3068\u601d\u3046\u306e\u3067\u3059\u304c\u3001\u30ab\u30e1\u30e9\u306e\u30d5\u30ec\u30fc\u30e0\u30ec\u30fc\u30c8\u304c\u51fa\u306a\u3044\u3068\u3061\u3087\u3063\u3068\u6b8b\u5ff5\u306a\u611f\u3058\u306b\u306a\u3063\u3066\u3057\u307e\u3046\u306e\u3067\u3001\u5b9f\u969b\u306b\u3053\u308c\u3067\u4f55\u304b\u3092\u4f5c\u308b\u3068\u304d\u306f\u9ad8\u901f\u306a USB3.0 \u306e\u5de5\u696d\u7528\u30ab\u30e1\u30e9\u3068\u304b\u3001OptiTrack \u306e\u3088\u3046\u306a\u30e2\u30fc\u30b7\u30e7\u30f3\u30ad\u30e3\u30d7\u30c1\u30e3\u7528\u306e\u30ab\u30e1\u30e9\u3092\u4f7f\u7528\u3057\u305f\u307b\u3046\u304c\u3044\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u306d\u3002<\/p>\n<p>&#8212;&#8211; 12\u67082\u65e5 \u8ffd\u8a18 &#8212;&#8211;<\/p>\n<p>\u30ab\u30e1\u30e9\u306e\u30d5\u30ec\u30fc\u30e0\u30ec\u30fc\u30c8\u304c\u9045\u3044\u305b\u3044\u3067\u306e\u8a8d\u8b58\u5916\u308c\u304c\u5c11\u306a\u304f\u306a\u308b\u3088\u3046\u306b\u3001\u4e0a\u8a18 Python \u306e\u30b3\u30fc\u30c9\u3092 C++ \u3067\u66f8\u304d\u76f4\u3057\u3066\u3001\u30ab\u30e1\u30e9\u306b RealSense \u306e\u8d64\u5916\u7dda\u30b9\u30c8\u30ea\u30fc\u30e0\uff08\u6700\u5927 60fps\uff09\u3092\u4f7f\u7528\u3057\u3066\u30c6\u30b9\u30c8\u3057\u3066\u307f\u305f\u3068\u3053\u308d\u3001\u7d50\u69cb\u3044\u3044\u611f\u3058\u3067\u8a8d\u8b58\u3059\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<p><iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/B9gVVvOoo8E\" frameborder=\"0\" allowfullscreen><\/iframe><\/p>\n<div class='wp_social_bookmarking_light'>        <div class=\"wsbl_facebook\"><a href='http:\/\/www.facebook.com\/share.php?u=https%3A%2F%2Fwww.digifie.jp%2Fblog%2Farchives%2F1438&t=Python%20cv2.HoughCircles%20%E3%81%A7%E5%86%86%E6%A4%9C%E5%87%BA' title='Facebook \u306b\u30b7\u30a7\u30a2' rel=nofollow class='wp_social_bookmarking_light_a' target=_blank><img src='https:\/\/www.digifie.jp\/blog\/wp-content\/plugins\/wp-social-bookmarking-light\/public\/images\/facebook.png' alt='Facebook \u306b\u30b7\u30a7\u30a2' title='Facebook \u306b\u30b7\u30a7\u30a2' width='16' height='16' class='wp_social_bookmarking_light_img' \/><\/a><\/div>        <div class=\"wsbl_twitter\"><a href=\"https:\/\/twitter.com\/share\" class=\"twitter-share-button\" data-url=\"https:\/\/www.digifie.jp\/blog\/archives\/1438\" data-text=\"Python cv2.HoughCircles \u3067\u5186\u691c\u51fa\" data-via=\"LLC DigiFie\" data-lang=\"ja\">Tweet<\/a><\/div><\/div>\n<br class='wp_social_bookmarking_light_clear' \/>\n","protected":false},"excerpt":{"rendered":"<p>Python + Opencv3.1 \u3067 Web\u30ab\u30e1\u30e9\u304b\u3089\u306e\u6620\u50cf\u3067\u306e\u5186\u691c\u51fa\u3092\u8a66\u3057\u3066\u307f\u307e\u3057\u305f\u3002 \u4eca\u56de\u691c\u51fa\u3067\u4f7f\u7528\u3057\u305f\u95a2\u6570\u3067\u306e\u5927\u307e\u304b\u306a\u6d41\u308c\u3068\u3057\u3066\u306f\u7e70\u308a\u8fd4\u3057\u51e6\u7406\u306e\u4e2d\u3067\u3001 1. \u30ab\u30e1\u30e9\u3092\u30ad\u30e3\u30d7\u30c1\u30e3\u3057\u3066\u30b0\u30ec\u30fc\u30b9\u30b1\u30fc\u30eb\u306b\u5909\u63db\u3002 2.  [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[50,49,38],"tags":[],"_links":{"self":[{"href":"https:\/\/www.digifie.jp\/blog\/wp-json\/wp\/v2\/posts\/1438"}],"collection":[{"href":"https:\/\/www.digifie.jp\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.digifie.jp\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.digifie.jp\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.digifie.jp\/blog\/wp-json\/wp\/v2\/comments?post=1438"}],"version-history":[{"count":7,"href":"https:\/\/www.digifie.jp\/blog\/wp-json\/wp\/v2\/posts\/1438\/revisions"}],"predecessor-version":[{"id":1503,"href":"https:\/\/www.digifie.jp\/blog\/wp-json\/wp\/v2\/posts\/1438\/revisions\/1503"}],"wp:attachment":[{"href":"https:\/\/www.digifie.jp\/blog\/wp-json\/wp\/v2\/media?parent=1438"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.digifie.jp\/blog\/wp-json\/wp\/v2\/categories?post=1438"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.digifie.jp\/blog\/wp-json\/wp\/v2\/tags?post=1438"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}