{"id":204677,"date":"2025-05-29T16:12:41","date_gmt":"2025-05-29T08:12:41","guid":{"rendered":"https:\/\/server.hk\/cnblog\/204677\/"},"modified":"2025-05-29T16:12:41","modified_gmt":"2025-05-29T08:12:41","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8-opencv-%e7%bb%9f%e8%ae%a1%e9%bb%91%e8%89%b2%e8%83%8c%e6%99%af%e5%9b%be%e5%83%8f%e4%b8%ad%e7%9a%84%e7%99%bd%e8%89%b2%e5%8c%ba%e5%9f%9f%e6%95%b0%e9%87%8f%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/204677\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528 OpenCV \u7edf\u8ba1\u9ed1\u8272\u80cc\u666f\u56fe\u50cf\u4e2d\u7684\u767d\u8272\u533a\u57df\u6570\u91cf\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>\u5982\u4f55\u4f7f\u7528 OpenCV \u7edf\u8ba1\u9ed1\u8272\u80cc\u666f\u56fe\u50cf\u4e2d\u7684\u767d\u8272\u533a\u57df\u6570\u91cf\uff1f <\/h1>\n<p>\u672c\u7bc7\u6587\u7ae0\u5411\u5927\u5bb6\u4ecb\u7ecd\u300a\u5982\u4f55\u4f7f\u7528 OpenCV \u7edf\u8ba1\u9ed1\u8272\u80cc\u666f\u56fe\u50cf\u4e2d\u7684\u767d\u8272\u533a\u57df\u6570\u91cf\uff1f \u300b\uff0c\u4e3b\u8981\u5305\u62ec\uff0c\u5177\u6709\u4e00\u5b9a\u7684\u53c2\u8003\u4ef7\u503c\uff0c\u9700\u8981\u7684\u670b\u53cb\u53ef\u4ee5\u53c2\u8003\u4e00\u4e0b\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241113\/1731461456673401507b6ab.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u5982\u4f55\u7edf\u8ba1\u4e00\u5f20\u9ed1\u8272\u80cc\u666f\u56fe\u50cf\u4e2d\u7684\u767d\u8272\u533a\u57df\u6570\u91cf\uff1f <\/strong><\/p>\n<p>\u5bf9\u4e8e\u56fe\u50cf\u5206\u6790\u4efb\u52a1\uff0c\u4f8b\u5982\u7edf\u8ba1\u56fe\u50cf\u4e2d\u7684\u767d\u8272\u533a\u57df\u6570\u91cf\uff0c\u53ef\u4ee5\u4f7f\u7528 opencv \u5e93\u7684\u9ad8\u6548\u7b97\u6cd5\u3002 <\/p>\n<p>\u7ed9\u5b9a\u4e00\u5f20\u9ed1\u8272\u80cc\u666f\u7684\u56fe\u50cf\uff0c\u60a8\u53ef\u4ee5\u5728\u56fe\u50cf\u4e8c\u503c\u5316\u540e\u4f7f\u7528 cv2.connectedcomponentswithstats \u51fd\u6570\u3002\u8be5\u51fd\u6570\u5c06\u8fde\u63a5\u7684\u7ec4\u4ef6\uff08\u767d\u8272\u533a\u57df\uff09\u5206\u7ec4\u5e76\u63d0\u53d6\u5176\u7edf\u8ba1\u4fe1\u606f\uff0c\u4f8b\u5982\u9762\u79ef\u3001\u4e2d\u5fc3\u4f4d\u7f6e\u548c\u77e9\u5f62\u8fb9\u754c\u6846\u3002 <\/p>\n<p>\u4ee5\u4e0b\u662f\u5982\u4f55\u4f7f\u7528\u6b64\u51fd\u6570\u7edf\u8ba1\u56fe\u50cf\u4e2d\u767d\u8272\u533a\u57df\u6570\u91cf\u7684\u4ee3\u7801\uff1a<\/p>\n<pre>_, bin_img = cv2.threshold(dilation, 0, 1, cv2.THRESH_BINARY)\n\n# \u641c\u7d22\u56fe\u50cf\u4e2d\u7684\u8fde\u901a\u533a\u57df\nret, labels, stats, centroid = cv2.connectedComponentsWithStats(bin_img, connectivity=4)\n\n# \u904d\u5386\u8fde\u901a\u533a\u57df\uff0c\u8ba1\u7b97\u6570\u91cf\ncount = 0\nfor stat in stats:\n    if (stat[2] - stat[0]) &gt; bin_img.shape[0] \/ 2:\n        continue\n    count += 1\n\nprint(f\"\u767d\u8272\u533a\u57df\u7684\u6570\u91cf\uff1a{count}\")<\/pre>\n<p>\u8fd9\u79cd\u65b9\u6cd5\u6bd4\u9010\u50cf\u7d20\u904d\u5386\u56fe\u50cf\u66f4\u52a0\u9ad8\u6548\uff0c\u5e76\u4e14\u53ef\u4ee5\u51c6\u786e\u5730\u7edf\u8ba1\u56fe\u50cf\u4e2d\u8fde\u63a5\u7684\u767d\u8272\u533a\u57df\u7684\u6570\u91cf\u3002 <\/p>\n<p>\u4eca\u5929\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u5e0c\u671b\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff1b\u5173\u4e8e\u6587\u7ae0\u7684\u6280\u672f\u77e5\u8bc6\u6211\u4eec\u4f1a\u4e00\u70b9\u70b9\u6df1\u5165\u4ecb\u7ecd\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u516c\u4f17\u53f7\uff0c\u4e00\u8d77\u5b66\u4e60\u7f16\u7a0b~<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u4f7f\u7528 OpenCV \u7edf\u8ba1\u9ed1\u8272&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-204677","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204677","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=204677"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204677\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=204677"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=204677"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=204677"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}