{"id":69784,"date":"2026-02-01T03:41:10","date_gmt":"2026-01-31T19:41:10","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/69784.html"},"modified":"2026-02-01T03:41:10","modified_gmt":"2026-01-31T19:41:10","slug":"%e5%9f%ba%e4%ba%8edlib%e4%b8%8eopencv%e7%9a%84%e4%ba%ba%e8%84%b8%e6%a3%80%e6%b5%8b%e4%b8%8e%e7%89%b9%e5%be%81%e7%82%b9%e6%a0%87%e5%ae%9a%e6%8a%80%e6%9c%af%e5%ae%9e%e8%b7%b5","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/69784.html","title":{"rendered":"\u57fa\u4e8edlib\u4e0eOpenCV\u7684\u4eba\u8138\u68c0\u6d4b\u4e0e\u7279\u5f81\u70b9\u6807\u5b9a\u6280\u672f\u5b9e\u8df5"},"content":{"rendered":"<\/p>\n<h4>\u6587\u7ae0\u76ee\u5f55<\/h4>\n<ul>\n<li>\n<ul>\n<li>dlib\u5e93\u5b89\u88c5\u65b9\u6cd5<\/li>\n<li>\n<ul>\n<li>1. \u4f7f\u7528pip\u5b89\u88c5&#xff08;Windows\/macOS\/Linux&#xff09;<\/li>\n<\/ul>\n<\/li>\n<li>\u4e00\u3001\u57fa\u7840\u4eba\u8138\u68c0\u6d4b&#xff1a;\u9759\u6001\u56fe\u50cf\u5904\u7406<\/li>\n<li>\u4e8c\u3001\u5b9e\u65f6\u89c6\u9891\u4eba\u8138\u68c0\u6d4b&#xff1a;\u53cc\u68c0\u6d4b\u5668\u5bf9\u6bd4<\/li>\n<li>\u4e09\u3001\u9762\u90e8\u5173\u952e\u70b9\u68c0\u6d4b&#xff1a;68\u70b9\u5b9a\u4f4d<\/li>\n<li>\u56db\u3001\u5b9e\u65f6\u9762\u90e8\u8f6e\u5ed3\u7ed8\u5236&#xff1a;\u51f8\u5305\u4e0e\u8fde\u7ebf<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<hr \/>\n<p>\u5728\u5f00\u59cb\u4e4b\u524d&#xff0c;\u6211\u4eec\u9700\u8981\u786e\u4fdd\u73af\u5883\u914d\u7f6e\u6b63\u786e\u3002dlib\u662f\u4e00\u4e2a\u5f3a\u5927\u7684C&#043;&#043;\u673a\u5668\u5b66\u4e60\u5e93&#xff0c;\u63d0\u4f9b\u4e86\u9ad8\u6548\u7684\u4eba\u8138\u68c0\u6d4b\u548c\u7279\u5f81\u70b9\u6807\u5b9a\u7b97\u6cd5\u3002\u4e0b\u9762\u9996\u5148\u4ecb\u7ecd\u5982\u4f55\u5b89\u88c5dlib\u5e93\u3002<\/p>\n<h3>dlib\u5e93\u5b89\u88c5\u65b9\u6cd5<\/h3>\n<p>\u5728Python\u73af\u5883\u4e2d\u5b89\u88c5dlib&#xff0c;\u63a8\u8350\u4f7f\u7528\u4ee5\u4e0b\u65b9\u5f0f&#xff1a;<\/p>\n<h4>1. \u4f7f\u7528pip\u5b89\u88c5&#xff08;Windows\/macOS\/Linux&#xff09;<\/h4>\n<p>pip <span class=\"token function\">install<\/span> dlib<\/p>\n<p>\u5b89\u88c5\u6ce8\u610f\u4e8b\u9879&#xff1a;<\/p>\n<ul>\n<li>dlib\u9700\u8981CMake\u548cC&#043;&#043;\u7f16\u8bd1\u5668\u652f\u6301<\/li>\n<li>Windows\u7528\u6237\u53ef\u80fd\u9700\u8981\u5b89\u88c5Visual Studio Build Tools<\/li>\n<li>\u5efa\u8bae\u4f7f\u7528Python 3.6\u53ca\u4ee5\u4e0a\u7248\u672c<\/li>\n<li>\u5b89\u88c5\u6210\u529f\u540e\u53ef\u4ee5\u901a\u8fc7import dlib\u9a8c\u8bc1<\/li>\n<\/ul>\n<hr \/>\n<h3>\u4e00\u3001\u57fa\u7840\u4eba\u8138\u68c0\u6d4b&#xff1a;\u9759\u6001\u56fe\u50cf\u5904\u7406<\/h3>\n<p>\u73b0\u5728\u5f00\u59cb\u6211\u4eec\u7684\u7b2c\u4e00\u4e2a\u793a\u4f8b&#xff0c;\u5c55\u793a\u5982\u4f55\u4f7f\u7528dlib\u5e93\u68c0\u6d4b\u56fe\u50cf\u4e2d\u7684\u4eba\u8138\u4f4d\u7f6e\u3002<\/p>\n<p><span class=\"token keyword\">import<\/span> cv2<br \/>\n<span class=\"token keyword\">import<\/span> dlib<\/p>\n<p><span class=\"token comment\"># \u521d\u59cb\u5316dlib\u7684\u4eba\u8138\u68c0\u6d4b\u5668<\/span><br \/>\ndetector <span class=\"token operator\">&#061;<\/span> dlib<span class=\"token punctuation\">.<\/span>get_frontal_face_detector<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token comment\"># \u8bfb\u53d6\u5f85\u68c0\u6d4b\u7684\u56fe\u50cf\u6587\u4ef6<\/span><br \/>\nimg <span class=\"token operator\">&#061;<\/span> cv2<span class=\"token punctuation\">.<\/span>imread<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;people1.png&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token comment\"># \u4f7f\u7528\u68c0\u6d4b\u5668\u5728\u56fe\u50cf\u4e2d\u67e5\u627e\u4eba\u8138&#xff0c;\u53c2\u65701\u8868\u793a\u56fe\u50cf\u91d1\u5b57\u5854\u7684\u653e\u5927\u500d\u6570<\/span><br \/>\nfaces <span class=\"token operator\">&#061;<\/span> detector<span class=\"token punctuation\">(<\/span>img<span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token comment\"># \u904d\u5386\u6240\u6709\u68c0\u6d4b\u5230\u7684\u4eba\u8138\u533a\u57df<\/span><br \/>\n<span class=\"token keyword\">for<\/span> face <span class=\"token keyword\">in<\/span> faces<span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token comment\"># \u83b7\u53d6\u4eba\u8138\u8fb9\u754c\u6846\u7684\u5750\u6807&#xff1a;\u5de6\u4e0a\u89d2(x1, y1)\u548c\u53f3\u4e0b\u89d2(x2, y2)<\/span><br \/>\n    x1 <span class=\"token operator\">&#061;<\/span> face<span class=\"token punctuation\">.<\/span>left<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    y1 <span class=\"token operator\">&#061;<\/span> face<span class=\"token punctuation\">.<\/span>top<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    x2 <span class=\"token operator\">&#061;<\/span> face<span class=\"token punctuation\">.<\/span>right<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    y2 <span class=\"token operator\">&#061;<\/span> face<span class=\"token punctuation\">.<\/span>bottom<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token comment\"># \u5728\u56fe\u50cf\u4e0a\u7ed8\u5236\u7eff\u8272\u77e9\u5f62\u6846\u6807\u8bb0\u4eba\u8138\u533a\u57df&#xff0c;\u7ebf\u5bbd\u4e3a2\u50cf\u7d20<\/span><br \/>\n    cv2<span class=\"token punctuation\">.<\/span>rectangle<span class=\"token punctuation\">(<\/span>img<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span>x1<span class=\"token punctuation\">,<\/span> y1<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span>x2<span class=\"token punctuation\">,<\/span> y2<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">255<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token comment\"># \u5c06\u56fe\u50cf\u7f29\u5c0f\u4e00\u534a\u663e\u793a&#xff0c;\u4fbf\u4e8e\u89c2\u5bdf<\/span><br \/>\ncv2<span class=\"token punctuation\">.<\/span>imshow<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Face Detection Result&#034;<\/span><span class=\"token punctuation\">,<\/span> cv2<span class=\"token punctuation\">.<\/span>resize<span class=\"token punctuation\">(<\/span>img<span class=\"token punctuation\">,<\/span> <span class=\"token boolean\">None<\/span><span class=\"token punctuation\">,<\/span> fx<span class=\"token operator\">&#061;<\/span><span class=\"token number\">0.5<\/span><span class=\"token punctuation\">,<\/span> fy<span class=\"token operator\">&#061;<\/span><span class=\"token number\">0.5<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token comment\"># \u7b49\u5f85\u4efb\u610f\u6309\u952e\u6309\u4e0b<\/span><br \/>\ncv2<span class=\"token punctuation\">.<\/span>waitKey<span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token comment\"># \u5173\u95ed\u6240\u6709OpenCV\u521b\u5efa\u7684\u7a97\u53e3<\/span><br \/>\ncv2<span class=\"token punctuation\">.<\/span>destroyAllWindows<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260131194107-697e5ad322c82.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u5173\u952e\u6280\u672f\u70b9\u5206\u6790&#xff1a;<\/p>\n<li>\n<p>\u4eba\u8138\u68c0\u6d4b\u5668\u521d\u59cb\u5316&#xff1a;dlib.get_frontal_face_detector()\u521b\u5efa\u57fa\u4e8eHOG\u7279\u5f81\u548c\u7ebf\u6027SVM\u5206\u7c7b\u5668\u7684\u4eba\u8138\u68c0\u6d4b\u5668&#xff0c;\u5bf9\u6b63\u9762\u4eba\u8138\u68c0\u6d4b\u6548\u679c\u826f\u597d\u3002<\/p>\n<\/li>\n<li>\n<p>\u68c0\u6d4b\u53c2\u6570\u8bf4\u660e&#xff1a;detector(img, 1)\u4e2d\u7684\u7b2c\u4e8c\u4e2a\u53c2\u6570\u4e3aupsample_num_times&#xff0c;\u8868\u793a\u5bf9\u56fe\u50cf\u8fdb\u884c\u4e0a\u91c7\u6837\u7684\u6b21\u6570\u3002\u9002\u5f53\u7684\u4e0a\u91c7\u6837\u53ef\u4ee5\u5e2e\u52a9\u68c0\u6d4b\u66f4\u5c0f\u7684\u4eba\u8138&#xff0c;\u4f46\u4f1a\u589e\u52a0\u8ba1\u7b97\u65f6\u95f4\u3002<\/p>\n<\/li>\n<li>\n<p>\u5750\u6807\u7cfb\u7edf&#xff1a;OpenCV\u4f7f\u7528\u5de6\u4e0a\u89d2\u4e3a\u539f\u70b9(0,0)&#xff0c;x\u8f74\u5411\u53f3&#xff0c;y\u8f74\u5411\u4e0b\u7684\u5750\u6807\u7cfb\u3002face.left()\u3001face.top()\u5206\u522b\u8fd4\u56de\u8fb9\u754c\u6846\u5de6\u4e0a\u89d2\u7684x\u548cy\u5750\u6807\u3002<\/p>\n<\/li>\n<h3>\u4e8c\u3001\u5b9e\u65f6\u89c6\u9891\u4eba\u8138\u68c0\u6d4b&#xff1a;\u53cc\u68c0\u6d4b\u5668\u5bf9\u6bd4<\/h3>\n<p>\u5728\u5b9e\u9645\u5e94\u7528\u4e2d&#xff0c;\u6211\u4eec\u7ecf\u5e38\u9700\u8981\u5904\u7406\u89c6\u9891\u6d41\u3002\u8fd9\u4e2a\u793a\u4f8b\u540c\u65f6\u4f7f\u7528\u4e86OpenCV\u7684Haar\u7ea7\u8054\u5206\u7c7b\u5668\u548cdlib\u68c0\u6d4b\u5668&#xff0c;\u65b9\u4fbf\u5bf9\u6bd4\u4e24\u79cd\u65b9\u6cd5\u7684\u68c0\u6d4b\u6548\u679c\u3002<\/p>\n<p><span class=\"token keyword\">import<\/span> cv2<br \/>\n<span class=\"token keyword\">import<\/span> dlib<\/p>\n<p><span class=\"token comment\"># \u521d\u59cb\u5316\u6444\u50cf\u5934&#xff0c;\u53c2\u65700\u8868\u793a\u4f7f\u7528\u9ed8\u8ba4\u6444\u50cf\u5934<\/span><br \/>\ncap <span class=\"token operator\">&#061;<\/span> cv2<span class=\"token punctuation\">.<\/span>VideoCapture<span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token comment\"># \u521d\u59cb\u5316dlib\u4eba\u8138\u68c0\u6d4b\u5668<\/span><br \/>\ndetector <span class=\"token operator\">&#061;<\/span> dlib<span class=\"token punctuation\">.<\/span>get_frontal_face_detector<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token comment\"># \u52a0\u8f7dOpenCV\u7684Haar\u7ea7\u8054\u5206\u7c7b\u5668\u6587\u4ef6<\/span><br \/>\nfaceCascade <span class=\"token operator\">&#061;<\/span> cv2<span class=\"token punctuation\">.<\/span>CascadeClassifier<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;haarcascade_frontalface_default.xml&#039;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token keyword\">while<\/span> <span class=\"token boolean\">True<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token comment\"># \u4ece\u6444\u50cf\u5934\u8bfb\u53d6\u4e00\u5e27\u56fe\u50cf&#xff0c;ret\u8868\u793a\u8bfb\u53d6\u662f\u5426\u6210\u529f<\/span><br \/>\n    ret<span class=\"token punctuation\">,<\/span> img <span class=\"token operator\">&#061;<\/span> cap<span class=\"token punctuation\">.<\/span>read<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> ret <span class=\"token keyword\">is<\/span> <span class=\"token boolean\">None<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token keyword\">break<\/span><\/p>\n<p>    <span class=\"token comment\"># \u5c06\u5f69\u8272\u56fe\u50cf\u8f6c\u6362\u4e3a\u7070\u5ea6\u56fe\u50cf&#xff0c;\u5927\u591a\u6570\u68c0\u6d4b\u7b97\u6cd5\u9700\u8981\u7070\u5ea6\u8f93\u5165<\/span><br \/>\n    gray <span class=\"token operator\">&#061;<\/span> cv2<span class=\"token punctuation\">.<\/span>cvtColor<span class=\"token punctuation\">(<\/span>img<span class=\"token punctuation\">,<\/span> cv2<span class=\"token punctuation\">.<\/span>COLOR_BGR2GRAY<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token comment\"># \u4f7f\u7528dlib\u68c0\u6d4b\u7070\u5ea6\u56fe\u50cf\u4e2d\u7684\u4eba\u8138<\/span><br \/>\n    faces <span class=\"token operator\">&#061;<\/span> detector<span class=\"token punctuation\">(<\/span>gray<span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token comment\"># \u4f7f\u7528OpenCV\u7684Haar\u7ea7\u8054\u5206\u7c7b\u5668\u68c0\u6d4b\u4eba\u8138<\/span><br \/>\n    face <span class=\"token operator\">&#061;<\/span> faceCascade<span class=\"token punctuation\">.<\/span>detectMultiScale<span class=\"token punctuation\">(<\/span>gray<span class=\"token punctuation\">,<\/span> scaleFactor<span class=\"token operator\">&#061;<\/span><span class=\"token number\">1.05<\/span><span class=\"token punctuation\">,<\/span> minNeighbors<span class=\"token operator\">&#061;<\/span><span class=\"token number\">15<\/span><span class=\"token punctuation\">,<\/span> minSize<span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">8<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">8<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token comment\"># \u7ed8\u5236OpenCV\u68c0\u6d4b\u5230\u7684\u4eba\u8138\u77e9\u5f62\u6846<\/span><br \/>\n    <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span>x<span class=\"token punctuation\">,<\/span> y<span class=\"token punctuation\">,<\/span> w<span class=\"token punctuation\">,<\/span> h<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">in<\/span> face<span class=\"token punctuation\">:<\/span><br \/>\n        cv2<span class=\"token punctuation\">.<\/span>rectangle<span class=\"token punctuation\">(<\/span>img<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span>x<span class=\"token punctuation\">,<\/span> y<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span>x <span class=\"token operator\">&#043;<\/span> w<span class=\"token punctuation\">,<\/span> y <span class=\"token operator\">&#043;<\/span> h<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">255<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>    cv2<span class=\"token punctuation\">.<\/span>imshow<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;OpenCV Face Detection&#034;<\/span><span class=\"token punctuation\">,<\/span> cv2<span class=\"token punctuation\">.<\/span>resize<span class=\"token punctuation\">(<\/span>img<span class=\"token punctuation\">,<\/span><span class=\"token boolean\">None<\/span><span class=\"token punctuation\">,<\/span>fx<span class=\"token operator\">&#061;<\/span><span class=\"token number\">0.5<\/span><span class=\"token punctuation\">,<\/span>fy<span class=\"token operator\">&#061;<\/span><span class=\"token number\">0.5<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token comment\"># \u7ed8\u5236dlib\u68c0\u6d4b\u5230\u7684\u4eba\u8138\u77e9\u5f62\u6846<\/span><br \/>\n    <span class=\"token keyword\">for<\/span> face <span class=\"token keyword\">in<\/span> faces<span class=\"token punctuation\">:<\/span><br \/>\n        x1 <span class=\"token operator\">&#061;<\/span> face<span class=\"token punctuation\">.<\/span>left<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        y1 <span class=\"token operator\">&#061;<\/span> face<span class=\"token punctuation\">.<\/span>top<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        x2 <span class=\"token operator\">&#061;<\/span> face<span class=\"token punctuation\">.<\/span>right<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        y2 <span class=\"token operator\">&#061;<\/span> face<span class=\"token punctuation\">.<\/span>bottom<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        cv2<span class=\"token punctuation\">.<\/span>rectangle<span class=\"token punctuation\">(<\/span>img<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span>x1<span class=\"token punctuation\">,<\/span> y1<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span>x2<span class=\"token punctuation\">,<\/span> y2<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">255<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>    cv2<span class=\"token punctuation\">.<\/span>imshow<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Dlib Face Detection&#034;<\/span><span class=\"token punctuation\">,<\/span> cv2<span class=\"token punctuation\">.<\/span>resize<span class=\"token punctuation\">(<\/span>img<span class=\"token punctuation\">,<\/span><span class=\"token boolean\">None<\/span><span class=\"token punctuation\">,<\/span>fx<span class=\"token operator\">&#061;<\/span><span class=\"token number\">0.5<\/span><span class=\"token punctuation\">,<\/span>fy<span class=\"token operator\">&#061;<\/span><span class=\"token number\">0.5<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token comment\"># \u68c0\u6d4bESC\u952e\u662f\u5426\u88ab\u6309\u4e0b&#xff08;ASCII\u7801\u4e3a27&#xff09;&#xff0c;\u5982\u679c\u662f\u5219\u9000\u51fa\u5faa\u73af<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> cv2<span class=\"token punctuation\">.<\/span>waitKey<span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">27<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token keyword\">break<\/span><\/p>\n<p><span class=\"token comment\"># \u91ca\u653e\u6444\u50cf\u5934\u8d44\u6e90<\/span><br \/>\ncap<span class=\"token punctuation\">.<\/span>release<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token comment\"># \u5173\u95ed\u6240\u6709OpenCV\u7a97\u53e3<\/span><br \/>\ncv2<span class=\"token punctuation\">.<\/span>destroyAllWindows<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260131194108-697e5ad40c913.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u53c2\u6570\u6df1\u5165\u89e3\u6790&#xff1a;<\/p>\n<li>\n<p>VideoCapture\u53c2\u6570&#xff1a;cv2.VideoCapture(0)\u4e2d\u76840\u4ee3\u8868\u7cfb\u7edf\u9ed8\u8ba4\u6444\u50cf\u5934&#xff0c;\u53ef\u4ee5\u66ff\u6362\u4e3a\u89c6\u9891\u6587\u4ef6\u8def\u5f84\u5904\u7406\u5df2\u5f55\u5236\u7684\u89c6\u9891\u3002<\/p>\n<\/li>\n<li>\n<p>Haar\u7ea7\u8054\u5206\u7c7b\u5668\u53c2\u6570&#xff1a;<\/p>\n<ul>\n<li>scaleFactor&#061;1.05&#xff1a;\u56fe\u50cf\u91d1\u5b57\u5854\u7684\u7f29\u653e\u6bd4\u4f8b&#xff0c;\u51b3\u5b9a\u641c\u7d22\u7a97\u53e3\u7684\u653e\u5927\u6b65\u957f<\/li>\n<li>minNeighbors&#061;15&#xff1a;\u5019\u9009\u6846\u5468\u56f4\u9700\u8981\u6709\u591a\u5c11\u4e2a\u90bb\u5c45\u6846\u624d\u80fd\u88ab\u4fdd\u7559&#xff0c;\u503c\u8d8a\u5927\u68c0\u6d4b\u8d8a\u4e25\u683c<\/li>\n<li>minSize&#061;(8, 8)&#xff1a;\u68c0\u6d4b\u76ee\u6807\u7684\u6700\u5c0f\u5c3a\u5bf8&#xff0c;\u5ffd\u7565\u66f4\u5c0f\u7684\u533a\u57df<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>waitKey\u53c2\u6570&#xff1a;cv2.waitKey(1)\u4e2d\u76841\u8868\u793a\u7b49\u5f851\u6beb\u79d2&#xff0c;\u8fd9\u662f\u89c6\u9891\u6d41\u7545\u64ad\u653e\u7684\u5173\u952e\u3002\u8fd4\u56de\u503c\u4e3a\u6309\u952e\u7684ASCII\u7801\u3002<\/p>\n<\/li>\n<h3>\u4e09\u3001\u9762\u90e8\u5173\u952e\u70b9\u68c0\u6d4b&#xff1a;68\u70b9\u5b9a\u4f4d<\/h3>\n<p>\u4eba\u8138\u7279\u5f81\u70b9\u68c0\u6d4b\u662f\u4eba\u8138\u5206\u6790\u7684\u91cd\u8981\u6b65\u9aa4&#xff0c;\u53ef\u4ee5\u7cbe\u786e\u5b9a\u4f4d\u773c\u775b\u3001\u9f3b\u5b50\u3001\u5634\u5df4\u7b49\u5173\u952e\u90e8\u4f4d\u3002<\/p>\n<p><span class=\"token keyword\">import<\/span> numpy <span class=\"token keyword\">as<\/span> np<br \/>\n<span class=\"token keyword\">import<\/span> cv2<br \/>\n<span class=\"token keyword\">import<\/span> dlib<\/p>\n<p><span class=\"token comment\"># \u8bfb\u53d6\u5f85\u5904\u7406\u7684\u56fe\u50cf<\/span><br \/>\nimg <span class=\"token operator\">&#061;<\/span> cv2<span class=\"token punctuation\">.<\/span>imread<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;lian.jpeg&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token comment\"># \u521d\u59cb\u5316dlib\u4eba\u8138\u68c0\u6d4b\u5668<\/span><br \/>\ndetector <span class=\"token operator\">&#061;<\/span> dlib<span class=\"token punctuation\">.<\/span>get_frontal_face_detector<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token comment\"># \u68c0\u6d4b\u56fe\u50cf\u4e2d\u7684\u4eba\u8138<\/span><br \/>\nfaces <span class=\"token operator\">&#061;<\/span> detector<span class=\"token punctuation\">(<\/span>img<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token comment\"># \u52a0\u8f7d\u9884\u8bad\u7ec3\u7684\u9762\u90e8\u7279\u5f81\u70b9\u9884\u6d4b\u5668<\/span><br \/>\npredictor <span class=\"token operator\">&#061;<\/span> dlib<span class=\"token punctuation\">.<\/span>shape_predictor<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;shape_predictor_68_face_landmarks.dat&#034;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token comment\"># \u904d\u5386\u6240\u6709\u68c0\u6d4b\u5230\u7684\u4eba\u8138<\/span><br \/>\n<span class=\"token keyword\">for<\/span> face <span class=\"token keyword\">in<\/span> faces<span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token comment\"># \u5bf9\u6bcf\u4e2a\u4eba\u8138\u9884\u6d4b68\u4e2a\u7279\u5f81\u70b9\u7684\u4f4d\u7f6e<\/span><br \/>\n    shape <span class=\"token operator\">&#061;<\/span> predictor<span class=\"token punctuation\">(<\/span>img<span class=\"token punctuation\">,<\/span> face<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token comment\"># \u5c06\u7279\u5f81\u70b9\u8f6c\u6362\u4e3anumpy\u6570\u7ec4\u683c\u5f0f&#xff0c;\u4fbf\u4e8e\u5904\u7406<\/span><br \/>\n    landmarks <span class=\"token operator\">&#061;<\/span> np<span class=\"token punctuation\">.<\/span>array<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">[<\/span>p<span class=\"token punctuation\">.<\/span>x<span class=\"token punctuation\">,<\/span> p<span class=\"token punctuation\">.<\/span>y<span class=\"token punctuation\">]<\/span> <span class=\"token keyword\">for<\/span> p <span class=\"token keyword\">in<\/span> shape<span class=\"token punctuation\">.<\/span>parts<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token comment\"># \u904d\u5386\u6240\u6709\u7279\u5f81\u70b9&#xff0c;\u7ed8\u5236\u5e76\u6807\u8bb0\u5e8f\u53f7<\/span><br \/>\n    <span class=\"token keyword\">for<\/span> idx<span class=\"token punctuation\">,<\/span> point <span class=\"token keyword\">in<\/span> <span class=\"token builtin\">enumerate<\/span><span class=\"token punctuation\">(<\/span>landmarks<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token comment\"># \u83b7\u53d6\u7279\u5f81\u70b9\u7684\u5750\u6807\u4f4d\u7f6e<\/span><br \/>\n        pos <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>point<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span> point<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token comment\"># \u5728\u7279\u5f81\u70b9\u4f4d\u7f6e\u7ed8\u5236\u5b9e\u5fc3\u5706\u70b9&#xff0c;\u534a\u5f84\u4e3a2\u50cf\u7d20&#xff0c;\u7eff\u8272<\/span><br \/>\n        cv2<span class=\"token punctuation\">.<\/span>circle<span class=\"token punctuation\">(<\/span>img<span class=\"token punctuation\">,<\/span> pos<span class=\"token punctuation\">,<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">255<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token comment\"># \u5728\u7279\u5f81\u70b9\u65c1\u8fb9\u6807\u8bb0\u5e8f\u53f7<\/span><br \/>\n        cv2<span class=\"token punctuation\">.<\/span>putText<span class=\"token punctuation\">(<\/span>img<span class=\"token punctuation\">,<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">(<\/span>idx<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> pos<span class=\"token punctuation\">,<\/span> cv2<span class=\"token punctuation\">.<\/span>FONT_HERSHEY_SIMPLEX<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0.4<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token number\">255<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">255<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">255<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> cv2<span class=\"token punctuation\">.<\/span>LINE_AA<span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token comment\"># \u663e\u793a\u5904\u7406\u7ed3\u679c&#xff0c;\u56fe\u50cf\u7f29\u653e\u4e3a\u539f\u6765\u768480%<\/span><br \/>\ncv2<span class=\"token punctuation\">.<\/span>imshow<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Facial Landmarks&#034;<\/span><span class=\"token punctuation\">,<\/span> cv2<span class=\"token punctuation\">.<\/span>resize<span class=\"token punctuation\">(<\/span>img<span class=\"token punctuation\">,<\/span> <span class=\"token boolean\">None<\/span><span class=\"token punctuation\">,<\/span> fx<span class=\"token operator\">&#061;<\/span><span class=\"token number\">0.8<\/span><span class=\"token punctuation\">,<\/span> fy<span class=\"token operator\">&#061;<\/span><span class=\"token number\">0.8<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\ncv2<span class=\"token punctuation\">.<\/span>waitKey<span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\ncv2<span class=\"token punctuation\">.<\/span>destroyAllWindows<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260131194108-697e5ad44eed8.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u7279\u5f81\u70b9\u5206\u5e03\u8bf4\u660e&#xff1a;<\/p>\n<p>68\u4e2a\u7279\u5f81\u70b9\u6309\u7167\u4ee5\u4e0b\u65b9\u5f0f\u5206\u5e03&#xff1a;<\/p>\n<ul>\n<li>0-16\u70b9&#xff1a;\u4e0b\u5df4\u8f6e\u5ed3<\/li>\n<li>17-21\u70b9&#xff1a;\u53f3\u7709\u6bdb<\/li>\n<li>22-26\u70b9&#xff1a;\u5de6\u7709\u6bdb<\/li>\n<li>27-35\u70b9&#xff1a;\u9f3b\u6881\u548c\u9f3b\u5c16<\/li>\n<li>36-41\u70b9&#xff1a;\u53f3\u773c\u8f6e\u5ed3<\/li>\n<li>42-47\u70b9&#xff1a;\u5de6\u773c\u8f6e\u5ed3<\/li>\n<li>48-67\u70b9&#xff1a;\u5634\u5507\u5916\u8f6e\u5ed3\u548c\u5185\u8f6e\u5ed3<\/li>\n<\/ul>\n<p>\u5173\u952e\u6280\u672f\u7ec6\u8282&#xff1a;<\/p>\n<li>\n<p>shape_predictor\u521d\u59cb\u5316&#xff1a;\u9700\u8981\u9884\u8bad\u7ec3\u7684\u6a21\u578b\u6587\u4ef6&#xff0c;\u8be5\u6a21\u578b\u57fa\u4e8eiBUG 300-W\u6570\u636e\u96c6\u8bad\u7ec3&#xff0c;\u80fd\u591f\u51c6\u786e\u9884\u6d4b68\u4e2a\u4eba\u8138\u5173\u952e\u70b9\u3002<\/p>\n<\/li>\n<li>\n<p>\u7279\u5f81\u70b9\u53ef\u89c6\u5316&#xff1a;\u4f7f\u7528cv2.circle()\u7ed8\u5236\u5b9e\u5fc3\u5706\u70b9&#xff0c;-1\u53c2\u6570\u8868\u793a\u586b\u5145\u6574\u4e2a\u5706\u3002cv2.putText()\u7528\u4e8e\u6dfb\u52a0\u6587\u672c\u6807\u7b7e&#xff0c;\u53c2\u6570\u4f9d\u6b21\u4e3a&#xff1a;\u56fe\u50cf\u3001\u6587\u672c\u5185\u5bb9\u3001\u4f4d\u7f6e\u3001\u5b57\u4f53\u3001\u5b57\u53f7\u3001\u989c\u8272\u3001\u7ebf\u5bbd\u3001\u7ebf\u578b\u3002<\/p>\n<\/li>\n<h3>\u56db\u3001\u5b9e\u65f6\u9762\u90e8\u8f6e\u5ed3\u7ed8\u5236&#xff1a;\u51f8\u5305\u4e0e\u8fde\u7ebf<\/h3>\n<p>\u8fd9\u4e2a\u793a\u4f8b\u5c06\u7279\u5f81\u70b9\u68c0\u6d4b\u5e94\u7528\u4e8e\u5b9e\u65f6\u89c6\u9891&#xff0c;\u5e76\u7ed8\u5236\u51fa\u9762\u90e8\u7684\u4e3b\u8981\u8f6e\u5ed3\u7ebf&#xff0c;\u5f62\u6210\u66f4\u76f4\u89c2\u7684\u89c6\u89c9\u6548\u679c\u3002<\/p>\n<p><span class=\"token keyword\">import<\/span> numpy <span class=\"token keyword\">as<\/span> np<br \/>\n<span class=\"token keyword\">import<\/span> dlib<br \/>\n<span class=\"token keyword\">import<\/span> cv2<\/p>\n<p><span class=\"token keyword\">def<\/span> <span class=\"token function\">drawLine<\/span><span class=\"token punctuation\">(<\/span>start<span class=\"token punctuation\">,<\/span> end<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token triple-quoted-string string\">&#034;&#034;&#034;\u7ed8\u5236\u4e24\u70b9\u4e4b\u95f4\u7684\u8fde\u7ebf&#034;&#034;&#034;<\/span><br \/>\n    <span class=\"token comment\"># \u83b7\u53d6\u8d77\u59cb\u70b9\u5230\u7ed3\u675f\u70b9\u4e4b\u95f4\u7684\u6240\u6709\u7279\u5f81\u70b9<\/span><br \/>\n    pts <span class=\"token operator\">&#061;<\/span> shape<span class=\"token punctuation\">[<\/span>start<span class=\"token punctuation\">:<\/span>end<span class=\"token punctuation\">]<\/span><br \/>\n    <span class=\"token comment\"># \u904d\u5386\u76f8\u90bb\u70b9\u5bf9&#xff0c;\u7ed8\u5236\u8fde\u63a5\u7ebf<\/span><br \/>\n    <span class=\"token keyword\">for<\/span> l <span class=\"token keyword\">in<\/span> <span class=\"token builtin\">range<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token builtin\">len<\/span><span class=\"token punctuation\">(<\/span>pts<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        ptA <span class=\"token operator\">&#061;<\/span> <span class=\"token builtin\">tuple<\/span><span class=\"token punctuation\">(<\/span>pts<span class=\"token punctuation\">[<\/span>l <span class=\"token operator\">&#8211;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        ptB <span class=\"token operator\">&#061;<\/span> <span class=\"token builtin\">tuple<\/span><span class=\"token punctuation\">(<\/span>pts<span class=\"token punctuation\">[<\/span>l<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        cv2<span class=\"token punctuation\">.<\/span>line<span class=\"token punctuation\">(<\/span>image<span class=\"token punctuation\">,<\/span> ptA<span class=\"token punctuation\">,<\/span> ptB<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">255<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token keyword\">def<\/span> <span class=\"token function\">drawConvexHull<\/span><span class=\"token punctuation\">(<\/span>start<span class=\"token punctuation\">,<\/span> end<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token triple-quoted-string string\">&#034;&#034;&#034;\u7ed8\u5236\u7279\u5f81\u70b9\u7684\u51f8\u5305\u8f6e\u5ed3&#034;&#034;&#034;<\/span><br \/>\n    <span class=\"token comment\"># \u83b7\u53d6\u6307\u5b9a\u8303\u56f4\u5185\u7684\u7279\u5f81\u70b9<\/span><br \/>\n    Facial <span class=\"token operator\">&#061;<\/span> shape<span class=\"token punctuation\">[<\/span>start<span class=\"token punctuation\">:<\/span>end <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><br \/>\n    <span class=\"token comment\"># \u8ba1\u7b97\u51f8\u5305&#xff08;\u6700\u5c0f\u51f8\u591a\u8fb9\u5f62&#xff09;<\/span><br \/>\n    mouthHull <span class=\"token operator\">&#061;<\/span> cv2<span class=\"token punctuation\">.<\/span>convexHull<span class=\"token punctuation\">(<\/span>Facial<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token comment\"># \u7ed8\u5236\u51f8\u5305\u8f6e\u5ed3<\/span><br \/>\n    cv2<span class=\"token punctuation\">.<\/span>drawContours<span class=\"token punctuation\">(<\/span>image<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">[<\/span>mouthHull<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">255<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token comment\"># \u521d\u59cb\u5316\u6444\u50cf\u5934<\/span><br \/>\ncap <span class=\"token operator\">&#061;<\/span> cv2<span class=\"token punctuation\">.<\/span>VideoCapture<span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token comment\"># \u521d\u59cb\u5316dlib\u4eba\u8138\u68c0\u6d4b\u5668<\/span><br \/>\ndetector <span class=\"token operator\">&#061;<\/span> dlib<span class=\"token punctuation\">.<\/span>get_frontal_face_detector<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token keyword\">while<\/span> <span class=\"token boolean\">True<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token comment\"># \u8bfb\u53d6\u4e00\u5e27\u56fe\u50cf<\/span><br \/>\n    ret<span class=\"token punctuation\">,<\/span> image <span class=\"token operator\">&#061;<\/span> cap<span class=\"token punctuation\">.<\/span>read<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> ret <span class=\"token keyword\">is<\/span> <span class=\"token boolean\">None<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token keyword\">break<\/span><\/p>\n<p>    <span class=\"token comment\"># \u68c0\u6d4b\u4eba\u8138<\/span><br \/>\n    faces <span class=\"token operator\">&#061;<\/span> detector<span class=\"token punctuation\">(<\/span>image<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token comment\"># \u52a0\u8f7d\u7279\u5f81\u70b9\u9884\u6d4b\u5668<\/span><br \/>\n    predictor <span class=\"token operator\">&#061;<\/span> dlib<span class=\"token punctuation\">.<\/span>shape_predictor<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;shape_predictor_68_face_landmarks.dat&#034;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token comment\"># \u5904\u7406\u6bcf\u4e2a\u68c0\u6d4b\u5230\u7684\u4eba\u8138<\/span><br \/>\n    <span class=\"token keyword\">for<\/span> face <span class=\"token keyword\">in<\/span> faces<span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token comment\"># \u9884\u6d4b\u7279\u5f81\u70b9<\/span><br \/>\n        shape <span class=\"token operator\">&#061;<\/span> predictor<span class=\"token punctuation\">(<\/span>image<span class=\"token punctuation\">,<\/span> face<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token comment\"># \u8f6c\u6362\u4e3anumpy\u6570\u7ec4<\/span><br \/>\n        shape <span class=\"token operator\">&#061;<\/span> np<span class=\"token punctuation\">.<\/span>array<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">[<\/span>p<span class=\"token punctuation\">.<\/span>x<span class=\"token punctuation\">,<\/span> p<span class=\"token punctuation\">.<\/span>y<span class=\"token punctuation\">]<\/span> <span class=\"token keyword\">for<\/span> p <span class=\"token keyword\">in<\/span> shape<span class=\"token punctuation\">.<\/span>parts<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>        <span class=\"token comment\"># \u7ed8\u5236\u773c\u775b\u548c\u5634\u5df4\u7684\u51f8\u5305\u8f6e\u5ed3<\/span><br \/>\n        drawConvexHull<span class=\"token punctuation\">(<\/span><span class=\"token number\">36<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">41<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u53f3\u773c<\/span><br \/>\n        drawConvexHull<span class=\"token punctuation\">(<\/span><span class=\"token number\">42<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">47<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u5de6\u773c<\/span><br \/>\n        drawConvexHull<span class=\"token punctuation\">(<\/span><span class=\"token number\">48<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">59<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u5916\u5634\u5507<\/span><br \/>\n        drawConvexHull<span class=\"token punctuation\">(<\/span><span class=\"token number\">60<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">67<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u5185\u5634\u5507<\/span><\/p>\n<p>        <span class=\"token comment\"># \u7ed8\u5236\u9762\u90e8\u8f6e\u5ed3\u8fde\u7ebf<\/span><br \/>\n        drawLine<span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">17<\/span><span class=\"token punctuation\">)<\/span>   <span class=\"token comment\"># \u4e0b\u5df4\u5de6\u4fa7<\/span><br \/>\n        drawLine<span class=\"token punctuation\">(<\/span><span class=\"token number\">17<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">22<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u7709\u6bdb\u4e4b\u95f4<\/span><br \/>\n        drawLine<span class=\"token punctuation\">(<\/span><span class=\"token number\">22<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">27<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u7709\u6bdb\u5230\u9f3b\u6881<\/span><br \/>\n        drawLine<span class=\"token punctuation\">(<\/span><span class=\"token number\">27<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">36<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u9f3b\u6881\u5230\u53f3\u773c<\/span><\/p>\n<p>    <span class=\"token comment\"># \u663e\u793a\u5904\u7406\u7ed3\u679c<\/span><br \/>\n    cv2<span class=\"token punctuation\">.<\/span>imshow<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Face Contours&#034;<\/span><span class=\"token punctuation\">,<\/span> image<span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token comment\"># \u68c0\u6d4bESC\u952e\u9000\u51fa<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> cv2<span class=\"token punctuation\">.<\/span>waitKey<span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">27<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token keyword\">break<\/span><\/p>\n<p><span class=\"token comment\"># \u91ca\u653e\u8d44\u6e90<\/span><br \/>\ncap<span class=\"token punctuation\">.<\/span>release<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\ncv2<span class=\"token punctuation\">.<\/span>destroyAllWindows<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260131194109-697e5ad574bb2.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u51f8\u5305\u7b97\u6cd5\u539f\u7406&#xff1a;<\/p>\n<p>cv2.convexHull()\u51fd\u6570\u8ba1\u7b97\u7ed9\u5b9a\u70b9\u96c6\u7684\u6700\u5c0f\u51f8\u591a\u8fb9\u5f62\u3002\u51f8\u5305\u662f\u591a\u8fb9\u5f62\u7684\u4e00\u79cd&#xff0c;\u5176\u5185\u90e8\u4efb\u610f\u4e24\u70b9\u8fde\u7ebf\u90fd\u5728\u591a\u8fb9\u5f62\u5185\u90e8\u3002\u5728\u4eba\u8138\u7279\u5f81\u70b9\u5e94\u7528\u4e2d&#xff1a;<\/p>\n<ul>\n<li>\u773c\u775b\u8f6e\u5ed3&#xff1a;\u70b936-41\u548c42-47\u5206\u522b\u5f62\u6210\u5de6\u53f3\u773c\u7684\u51f8\u5305<\/li>\n<li>\u5634\u5507\u8f6e\u5ed3&#xff1a;\u70b948-59\u5f62\u6210\u5916\u5634\u5507\u51f8\u5305&#xff0c;\u70b960-67\u5f62\u6210\u5185\u5634\u5507\u51f8\u5305<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u76ee\u5f55 dlib\u5e93\u5b89\u88c5\u65b9\u6cd51. \u4f7f\u7528pip\u5b89\u88c5&#xff08;Windows\/macOS\/Linux&#xff09; \u4e00\u3001\u57fa\u7840\u4eba\u8138\u68c0\u6d4b&#xff1a;\u9759\u6001\u56fe\u50cf\u5904\u7406\u4e8c\u3001\u5b9e\u65f6\u89c6\u9891\u4eba\u8138\u68c0\u6d4b&#xff1a;\u53cc\u68c0\u6d4b\u5668\u5bf9\u6bd4\u4e09\u3001\u9762\u90e8\u5173\u952e\u70b9\u68c0\u6d4b&#xff1a;68\u70b9\u5b9a\u4f4d\u56db\u3001\u5b9e\u65f6\u9762\u90e8\u8f6e\u5ed3\u7ed8\u5236&#xff1a;\u51f8\u5305\u4e0e\u8fde\u7ebf \u5728\u5f00\u59cb\u4e4b\u524d&#xff0c;\u6211\u4eec\u9700\u8981\u786e\u4fdd\u73af\u5883\u914d\u7f6e\u6b63\u786e\u3002dlib\u662f\u4e00\u4e2a\u5f3a\u5927\u7684C\u673a\u5668\u5b66\u4e60\u5e93&#xff0c;\u63d0\u4f9b\u4e86\u9ad8\u6548\u7684\u4eba\u8138\u68c0\u6d4b\u548c\u7279\u5f81\u70b9\u6807\u5b9a\u7b97\u6cd5\u3002\u4e0b\u9762\u9996\u5148\u4ecb\u7ecd\u5982\u4f55\u5b89\u88c5dlib\u5e93\u3002<br \/>\nd<\/p>\n","protected":false},"author":2,"featured_media":69780,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[1460,50,523],"topic":[],"class_list":["post-69784","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-opencv","tag-50","tag-523"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u57fa\u4e8edlib\u4e0eOpenCV\u7684\u4eba\u8138\u68c0\u6d4b\u4e0e\u7279\u5f81\u70b9\u6807\u5b9a\u6280\u672f\u5b9e\u8df5 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/69784.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" 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