{"id":81,"date":"2025-08-02T20:13:19","date_gmt":"2025-08-03T04:13:19","guid":{"rendered":"https:\/\/dreamrunrun.com\/blog\/?p=81"},"modified":"2025-08-05T06:22:56","modified_gmt":"2025-08-05T14:22:56","slug":"opencv-%e6%8f%90%e5%8f%96%e4%ba%ba%e8%84%b8%e7%89%b9%e5%be%81","status":"publish","type":"post","link":"https:\/\/dreamrunrun.com\/blog\/?p=81","title":{"rendered":"OpenCV \u63d0\u53d6\u4eba\u8138\u7279\u5f81"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u5728OpenCV\u4e2d\u63d0\u53d6\u4eba\u8138\u7279\u5f81\u53ef\u4ee5\u4f7f\u7528Haar\u7279\u5f81\u6216LBP\u7279\u5f81\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5316\u7684C++\u793a\u4f8b\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528Haar\u7279\u5f81\u8fdb\u884c\u4eba\u8138\u68c0\u6d4b\u548c\u7279\u5f81\u63d0\u53d6\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u73af\u5883\u8bf4\u660e<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u64cd\u4f5c\u7cfb\u7edf\uff1aWindows 10 64\u4f4d<\/li>\n\n\n\n<li>\u5f00\u53d1\u5de5\u5177\uff1aVisual Studio<\/li>\n\n\n\n<li>\u4f9d\u8d56\u5e93\uff1aOpenCV<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u793a\u4f8b\u4ee3\u7801<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>#include &lt;opencv2\/opencv.hpp&gt;\n#include &lt;iostream&gt;\n\nusing namespace cv;\nusing namespace std;\n\nint main() {\n    <em>\/\/ \u52a0\u8f7dHaar\u7ea7\u8054\u5206\u7c7b\u5668<\/em>\n    CascadeClassifier faceCascade;\n    if (!faceCascade.load(\"haarcascade_frontalface_default.xml\")) {\n        cerr &lt;&lt; \"\u65e0\u6cd5\u52a0\u8f7dHaar\u7ea7\u8054\u5206\u7c7b\u5668\u6587\u4ef6\uff01\" &lt;&lt; endl;\n        return -1;\n    }\n\n    <em>\/\/ \u8bfb\u53d6\u8f93\u5165\u56fe\u50cf<\/em>\n    Mat image = imread(\"input.jpg\");\n    if (image.empty()) {\n        cerr &lt;&lt; \"\u65e0\u6cd5\u52a0\u8f7d\u56fe\u50cf\u6587\u4ef6\uff01\" &lt;&lt; endl;\n        return -1;\n    }\n\n    <em>\/\/ \u8f6c\u6362\u4e3a\u7070\u5ea6\u56fe\u50cf<\/em>\n    Mat grayImage;\n    cvtColor(image, grayImage, COLOR_BGR2GRAY);\n\n    <em>\/\/ \u68c0\u6d4b\u4eba\u8138<\/em>\n    vector&lt;Rect&gt; faces;\n    faceCascade.detectMultiScale(grayImage, faces, 1.1, 3, 0, Size(30, 30));\n\n    <em>\/\/ \u7ed8\u5236\u68c0\u6d4b\u5230\u7684\u4eba\u8138\u77e9\u5f62<\/em>\n    for (size_t i = 0; i &lt; faces.size(); i++) {\n        rectangle(image, faces&#91;i], Scalar(255, 0, 0), 2);\n    }\n\n    <em>\/\/ \u663e\u793a\u7ed3\u679c<\/em>\n    imshow(\"\u4eba\u8138\u68c0\u6d4b\u7ed3\u679c\", image);\n    waitKey(0);\n\n    return 0;\n}\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u4ee3\u7801\u8bf4\u660e<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u52a0\u8f7dHaar\u7ea7\u8054\u5206\u7c7b\u5668<\/strong>\uff1a\u4f7f\u7528<code>CascadeClassifier<\/code>\u52a0\u8f7d\u9884\u8bad\u7ec3\u7684Haar\u7279\u5f81\u6a21\u578b\u6587\u4ef6\uff08\u5982<code>haarcascade_frontalface_default.xml<\/code>\uff09\uff0c\u8be5\u6587\u4ef6\u901a\u5e38\u5305\u542b\u5728OpenCV\u5e93\u4e2d\u3002<\/li>\n\n\n\n<li><strong>\u8bfb\u53d6\u8f93\u5165\u56fe\u50cf<\/strong>\uff1a\u901a\u8fc7<code>imread<\/code>\u51fd\u6570\u52a0\u8f7d\u56fe\u50cf\u6587\u4ef6\uff0c\u5e76\u68c0\u67e5\u662f\u5426\u6210\u529f\u3002<\/li>\n\n\n\n<li><strong>\u8f6c\u6362\u4e3a\u7070\u5ea6\u56fe\u50cf<\/strong>\uff1aHaar\u7279\u5f81\u68c0\u6d4b\u901a\u5e38\u5728\u7070\u5ea6\u56fe\u50cf\u4e0a\u8fdb\u884c\uff0c\u56e0\u6b64\u9700\u8981\u5c06\u8f93\u5165\u56fe\u50cf\u8f6c\u6362\u4e3a\u7070\u5ea6\u3002<\/li>\n\n\n\n<li><strong>\u68c0\u6d4b\u4eba\u8138<\/strong>\uff1a\u4f7f\u7528<code>detectMultiScale<\/code>\u65b9\u6cd5\u68c0\u6d4b\u56fe\u50cf\u4e2d\u7684\u4eba\u8138\uff0c\u5e76\u8fd4\u56de\u4eba\u8138\u7684\u8fb9\u754c\u6846\u3002<\/li>\n\n\n\n<li><strong>\u7ed8\u5236\u7ed3\u679c<\/strong>\uff1a\u5728\u68c0\u6d4b\u5230\u7684\u4eba\u8138\u533a\u57df\u7ed8\u5236\u77e9\u5f62\u6846\uff0c\u5e76\u901a\u8fc7<code>imshow<\/code>\u663e\u793a\u7ed3\u679c\u3002<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">\u6ce8\u610f\u4e8b\u9879<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u786e\u4fddOpenCV\u5e93\u5df2\u6b63\u786e\u5b89\u88c5\uff0c\u5e76\u4e14\u73af\u5883\u53d8\u91cf\u914d\u7f6e\u6b63\u786e\u3002<\/li>\n\n\n\n<li>Haar\u7ea7\u8054\u5206\u7c7b\u5668\u6587\u4ef6\uff08\u5982<code>haarcascade_frontalface_default.xml<\/code>\uff09\u9700\u8981\u4e0e\u7a0b\u5e8f\u5728\u540c\u4e00\u76ee\u5f55\u4e0b\uff0c\u6216\u63d0\u4f9b\u5b8c\u6574\u8def\u5f84\u3002<\/li>\n\n\n\n<li>\u5982\u679c\u9700\u8981\u66f4\u9ad8\u7ea7\u7684\u4eba\u8138\u8bc6\u522b\u529f\u80fd\uff0c\u53ef\u4ee5\u7ed3\u5408Dlib\u5e93\u8fdb\u884c\u6df1\u5ea6\u5b66\u4e60\u6a21\u578b\u7684\u4f7f\u7528<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Haar\u7ea7\u8054\u5206\u7c7b\u5668\u6587\u4ef6\uff08\u5982haarcascade_frontalface_default.xml\uff09\u9700\u8981\u4e0e\u7a0b\u5e8f\u5728\u540c\u4e00\u76ee\u5f55\u4e0b\uff0c\u6216\u63d0\u4f9b\u5b8c\u6574\u8def\u5f84\u3002<\/p>\n<p>\u5982\u679c\u9700\u8981\u66f4\u9ad8\u7ea7\u7684\u4eba\u8138\u8bc6\u522b\u529f\u80fd\uff0c\u53ef\u4ee5\u7ed3\u5408Dlib\u5e93\u8fdb\u884c\u6df1\u5ea6\u5b66\u4e60\u6a21\u578b\u7684\u4f7f\u7528<\/p>\n","protected":false},"author":1,"featured_media":213,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kadence_starter_templates_imported_post":false,"footnotes":""},"categories":[4],"tags":[],"class_list":["post-81","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-4"],"_links":{"self":[{"href":"https:\/\/dreamrunrun.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/81","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dreamrunrun.com\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dreamrunrun.com\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dreamrunrun.com\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/dreamrunrun.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=81"}],"version-history":[{"count":3,"href":"https:\/\/dreamrunrun.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/81\/revisions"}],"predecessor-version":[{"id":165,"href":"https:\/\/dreamrunrun.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/81\/revisions\/165"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dreamrunrun.com\/blog\/index.php?rest_route=\/wp\/v2\/media\/213"}],"wp:attachment":[{"href":"https:\/\/dreamrunrun.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=81"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dreamrunrun.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=81"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dreamrunrun.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=81"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}