{"id":1444,"date":"2016-11-10T12:17:25","date_gmt":"2016-11-10T03:17:25","guid":{"rendered":"http:\/\/www.digifie.jp\/blog\/?p=1444"},"modified":"2016-11-10T15:19:40","modified_gmt":"2016-11-10T06:19:40","slug":"python-opencv-hu%e3%83%a2%e3%83%bc%e3%83%a1%e3%83%b3%e3%83%88%e4%b8%8d%e5%a4%89%e9%87%8f%e3%81%a7%e7%94%bb%e5%83%8f%e3%83%9e%e3%83%83%e3%83%81%e3%83%b3%e3%82%b0","status":"publish","type":"post","link":"https:\/\/www.digifie.jp\/blog\/archives\/1444","title":{"rendered":"Python OpenCV Hu\u30e2\u30fc\u30e1\u30f3\u30c8\u4e0d\u5909\u91cf\u3067\u753b\u50cf\u30de\u30c3\u30c1\u30f3\u30b0"},"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%2F1444&t=Python%20OpenCV%20Hu%E3%83%A2%E3%83%BC%E3%83%A1%E3%83%B3%E3%83%88%E4%B8%8D%E5%A4%89%E9%87%8F%E3%81%A7%E7%94%BB%E5%83%8F%E3%83%9E%E3%83%83%E3%83%81%E3%83%B3%E3%82%B0' 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\/1444\" data-text=\"Python OpenCV Hu\u30e2\u30fc\u30e1\u30f3\u30c8\u4e0d\u5909\u91cf\u3067\u753b\u50cf\u30de\u30c3\u30c1\u30f3\u30b0\" 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 Hu\u30e2\u30fc\u30e1\u30f3\u30c8\u4e0d\u5909\u91cf\u304b\u3089\u985e\u4f3c\u753b\u50cf\u306e\u30de\u30c3\u30c1\u30f3\u30b0\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\/pfgk4KpO9dU\" frameborder=\"0\" allowfullscreen><\/iframe><\/p>\n<p>OpenCV \u3067\u306e\u985e\u4f3c\u753b\u50cf\u6bd4\u8f03\u306f\u3001\u3053\u306e cv2.matchShapes \u3067\u3082\u7c21\u5358\u306b\u6bd4\u8f03\u3067\u304d\u308b\u306e\u3067\u3001\u307e\u305a\u306f\u3053\u308c\u3067\u8a66\u3057\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n<pre class=\"brush: python; title: ; notranslate\" title=\"\">\r\n\r\ndef matchshapes2(img1, img2):\r\n    # \u4e8c\u5024\u5316\r\n    ret, img_dst1 = cv2.threshold(img1, thresh, max_pixel, 0)\r\n    ret, img_dst2 = cv2.threshold(img2, thresh, max_pixel, 0)\r\n    im,contours,hierarchy = cv2.findContours(img_dst1,2,1)\r\n    cnt1 = contours[0]\r\n    im,contours,hierarchy = cv2.findContours(img_dst2,2,1)\r\n    cnt2 = contours[0]\r\n    return cv2.matchShapes(cnt1,cnt2,1,0.0)\r\n\r\n<\/pre>\n<p>\u3057\u304b\u3057\u3053\u306e\u65b9\u6cd5\u3060\u3068\u6bd4\u8f03\u3059\u308b\u753b\u50cf\u304c\u8f2a\u90ed\u4ee5\u5916\u306b\u7279\u5fb4\u304c\u306a\u3044\u30b7\u30eb\u30a8\u30c3\u30c8\u753b\u50cf\u3060\u3063\u305f\u305b\u3044\u304b\u3001\u306a\u3093\u3068\u306a\u304f\u7cbe\u5ea6\u304c\u4eca\u3072\u3068\u3064\u3067\u3057\u305f\u3002<\/p>\n<p>\u305d\u3053\u3067\u3001\u3053\u3061\u3089 (<a href=\"http:\/\/d.hatena.ne.jp\/m-a-o\/20131104\/p2\" target=\"_blank\">http:\/\/d.hatena.ne.jp\/m-a-o\/20131104\/p2<\/a>) \u3092\u53c2\u8003\u306b\u3057\u3066\u3001\u30de\u30c3\u30c1\u30f3\u30b0\u90e8\u5206\u3092\u81ea\u524d\u3067\u66f8\u3044\u3066\u307f\u307e\u3057\u305f\u3002<br \/>\n\u3053\u306e\u30b3\u30fc\u30c9\u306f\u3001\u30de\u30c3\u30c1\u30f3\u30b0\u4ee5\u5916\u306b\u524d\u51e6\u7406\u3068\u3057\u3066\u8f2a\u90ed\u3092\u691c\u51fa\u3057\u305f\u753b\u50cf\u306e\u8f2a\u90ed\u7dda\u306e\u5185\u5074\u3092\u5857\u308a\u3064\u3076\u3057\u3066\u3057\u307e\u3046\u51e6\u7406\u3082\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<pre class=\"brush: python; title: ; notranslate\" title=\"\">\r\n\r\ndef matchshapes(img1, img2, method = 1):\r\n\r\n    # \u6bd4\u8f03\u5143\u753b\u50cf\u306e\u8f2a\u90ed\u3092\u53d6\u3063\u3066\u5857\u308a\u3064\u3076\u3057\r\n    height, width = img2.shape[:2]\r\n    checkImage = np.zeros((height, width, 1), np.uint8)\r\n    checkImage = 255 - checkImage\r\n    ret, th = cv2.threshold(img2, thresh, max_pixel, cv2.THRESH_BINARY_INV)\r\n    im, contours, hierarchy = cv2.findContours(th, cv2.RETR_EXTERNAL, cv2.CHAIN_APPROX_SIMPLE)\r\n    checkImage = cv2.drawContours(checkImage, contours, -1, (0,0,0), -1)\r\n    checkImage = 255 - checkImage\r\n\r\n    # Hu\r\n    m1 = cv2.moments(img1)\r\n    hua = cv2.HuMoments(m1)\r\n    m2 = cv2.moments(checkImage)\r\n    hub = cv2.HuMoments(m2)\r\n\r\n    def h2m(x):\r\n        if x==0:\r\n           return 0.0\r\n        elif x&gt;0:\r\n           return 1.0\/log(x)\r\n        else:\r\n           return -1.0\/log(-x)\r\n\r\n    s = []\r\n    for (x1,x2) in zip(hua.T[0],hub.T[0]):\r\n        s.append(abs(h2m(x1)-h2m(x2)))\r\n\r\n    d = sum(s)\r\n    return d\r\n\r\n<\/pre>\n<p>\u3053\u308c\u3060\u3068\u305f\u307e\u306b\u5909\u306a\u7d50\u679c\u304c\u8fd4\u3063\u3066\u6765\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u304c cv2.matchShapes \u306e\u3068\u304d\u3088\u308a\u306f\u3060\u3044\u3076\u3044\u3044\u611f\u3058\u3067\u691c\u51fa\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u306e\u3067\u3001\u3053\u308c\u3092\u30d9\u30fc\u30b9\u306b\u3082\u3063\u3068\u7cbe\u5ea6\u3092\u4e0a\u3052\u308b\u65b9\u6cd5\u3092\u63a2\u3057\u3066\u3044\u304d\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/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%2F1444&t=Python%20OpenCV%20Hu%E3%83%A2%E3%83%BC%E3%83%A1%E3%83%B3%E3%83%88%E4%B8%8D%E5%A4%89%E9%87%8F%E3%81%A7%E7%94%BB%E5%83%8F%E3%83%9E%E3%83%83%E3%83%81%E3%83%B3%E3%82%B0' 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\/1444\" data-text=\"Python OpenCV Hu\u30e2\u30fc\u30e1\u30f3\u30c8\u4e0d\u5909\u91cf\u3067\u753b\u50cf\u30de\u30c3\u30c1\u30f3\u30b0\" 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 Hu\u30e2\u30fc\u30e1\u30f3\u30c8\u4e0d\u5909\u91cf\u304b\u3089\u985e\u4f3c\u753b\u50cf\u306e\u30de\u30c3\u30c1\u30f3\u30b0\u3092\u8a66\u3057\u3066\u307f\u307e\u3057\u305f\u3002 OpenCV \u3067\u306e\u985e\u4f3c\u753b\u50cf\u6bd4\u8f03\u306f\u3001\u3053\u306e cv2.matchShapes \u3067\u3082\u7c21\u5358\u306b\u6bd4\u8f03\u3067\u304d\u308b\u306e\u3067\u3001\u307e\u305a\u306f\u3053\u308c\u3067\u8a66\u3057 [&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\/1444"}],"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=1444"}],"version-history":[{"count":3,"href":"https:\/\/www.digifie.jp\/blog\/wp-json\/wp\/v2\/posts\/1444\/revisions"}],"predecessor-version":[{"id":1447,"href":"https:\/\/www.digifie.jp\/blog\/wp-json\/wp\/v2\/posts\/1444\/revisions\/1447"}],"wp:attachment":[{"href":"https:\/\/www.digifie.jp\/blog\/wp-json\/wp\/v2\/media?parent=1444"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.digifie.jp\/blog\/wp-json\/wp\/v2\/categories?post=1444"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.digifie.jp\/blog\/wp-json\/wp\/v2\/tags?post=1444"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}