{"id":204231,"date":"2025-05-29T12:10:22","date_gmt":"2025-05-29T04:10:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/204231\/"},"modified":"2025-05-29T12:10:22","modified_gmt":"2025-05-29T04:10:22","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8opencv%e5%9c%a8%e7%9f%a9%e5%bd%a2%e5%86%85%e7%bb%98%e5%88%b6%e4%b9%9d%e4%b8%aa%e5%9c%86%e7%82%b9%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/204231\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528OpenCV\u5728\u77e9\u5f62\u5185\u7ed8\u5236\u4e5d\u4e2a\u5706\u70b9\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>\u5982\u4f55\u4f7f\u7528OpenCV\u5728\u77e9\u5f62\u5185\u7ed8\u5236\u4e5d\u4e2a\u5706\u70b9\uff1f<\/h1>\n<p>\u5b66\u4e60\u8981\u52aa\u529b\uff0c\u4f46\u662f\u4e0d\u8981\u6025\uff01\u4eca\u5929\u7684\u8fd9\u7bc7\u6587\u7ae0<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300a\u5982\u4f55\u4f7f\u7528OpenCV\u5728\u77e9\u5f62\u5185\u7ed8\u5236\u4e5d\u4e2a\u5706\u70b9\uff1f\u300b<\/span>\u5c06\u4f1a\u4ecb\u7ecd\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u60f3\u6df1\u5165\u5b66\u4e60<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\uff0c\u53ef\u4ee5\u5173\u6ce8\u6211\uff01\u6211\u4f1a\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u6587\u7ae0\u7684\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u90fd\u80fd\u6709\u6240\u5e2e\u52a9\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241101\/17304672996724d5e3082af.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u6c42\u77e9\u5f62\u5185\u4e5d\u4e2a\u70b9\u7684\u5750\u6807\u5e76\u7528opencv\u753b\u5706<\/strong><\/p>\n<p>\u7ed9\u5b9a\u4e00\u4e2a\u77e9\u5f62\u7684left\u3001top\u3001right\u3001bottom\u5750\u6807\uff0c\u9700\u8981\u5206\u522b\u6c42\u51fa\u77e9\u5f62\u5185\u90e8\u4e5d\u4e2a\u70b9\u7684\u5750\u6807\uff0c\u5206\u522b\u4e3a\uff1a \u043b\u0435\u0432\u044b\u0439\u4e0a\u3001\u4e0a\u4e2d\u3001\u53f3\u4e0a\u3001\u5de6\u4e2d\u3001\u4e2d\u5fc3\u3001\u53f3\u4e2d\u3001\u5de6\u4e0b\u3001\u4e0b\u4e2d\u3001\u53f3\u4e0b\u3002<\/p>\n<p>\u4f7f\u7528python\u548copencv\uff0c\u6211\u4eec\u53ef\u4ee5\u8f7b\u677e\u6c42\u51fa\u8fd9\u4e9b\u70b9\u5750\u6807\u5e76\u5c06\u5176\u7ed8\u5236\u4e3a\u5706\u5708\u3002\u4ee5\u4e0b\u4ee3\u7801\u5c55\u793a\u4e86\u5982\u4f55\u5b9e\u73b0\uff1a<\/p>\n<pre>import cv2\nimport numpy as np\n\n# \u77e9\u5f62\u5750\u6807\nleft, top, right, bottom = 530, 836, 685, 885\n\n# \u521b\u5efa\u4e00\u4e2a\u767d\u8272\u753b\u5e03\nimg = np.ones((1000, 1000), np.uint8) * 255\n\n# \u7ed8\u5236\u77e9\u5f62\u8fb9\u6846\ncv2.rectangle(img, (left, top), (right, bottom), 0)\n\n# \u6c42\u51fa\u4e5d\u4e2a\u70b9\u5750\u6807\nfor y in range(top * 2, bottom * 2 + 1, bottom - top):\n    for x in range(left * 2, right * 2 + 1, right - left):\n        cv2.circle(img, (x, y), 8, 0, cv2.FILLED, cv2.LINE_AA, 1)\n\n# \u663e\u793a\u56fe\u50cf\ncv2.imshow('img', img)\ncv2.waitKey()<\/pre>\n<p>\u4eca\u5929\u5173\u4e8e\u300a\u5982\u4f55\u4f7f\u7528OpenCV\u5728\u77e9\u5f62\u5185\u7ed8\u5236\u4e5d\u4e2a\u5706\u70b9\uff1f\u300b\u7684\u5185\u5bb9\u5c31\u4ecb\u7ecd\u5230\u8fd9\u91cc\u4e86\uff0c\u662f\u4e0d\u662f\u5b66\u8d77\u6765\u4e00\u76ee\u4e86\u7136\uff01\u60f3\u8981\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u7684\u5185\u5bb9\u8bf7\u5173\u6ce8\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u4f7f\u7528OpenCV\u5728\u77e9\u5f62\u5185\u7ed8\u5236&#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-204231","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204231","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=204231"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204231\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=204231"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=204231"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=204231"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}