{"id":53892,"date":"2025-08-12T18:20:16","date_gmt":"2025-08-12T10:20:16","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/53892.html"},"modified":"2025-08-12T18:20:16","modified_gmt":"2025-08-12T10:20:16","slug":"%e6%80%8e%e4%b9%88%e5%b0%86%e7%9b%ae%e6%a0%87%e8%af%86%e5%88%ab%e7%9a%84%e5%9d%90%e6%a0%87%e6%a1%86%e5%ba%94%e7%94%a8%e7%9f%ab%e6%ad%a3%e7%9a%84%e7%9f%a9%e9%98%b5%e7%94%bb%e5%88%b0%e6%a3%80%e6%b5%8b","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/53892.html","title":{"rendered":"\u600e\u4e48\u5c06\u76ee\u6807\u8bc6\u522b\u7684\u5750\u6807\u6846\u5e94\u7528\u77eb\u6b63\u7684\u77e9\u9635\u753b\u5230\u68c0\u6d4b\u56fe\u4e0a\uff1f\u5982\u4f55\u5b9e\u73b0\uff1f"},"content":{"rendered":"<p>&#x1f3c6;\u672c\u6587\u6536\u5f55\u4e8e \u300a\u5168\u6808Bug\u8c03\u4f18(\u5b9e\u6218\u7248)\u300b \u4e13\u680f&#xff0c;\u8be5\u4e13\u680f\u4e13\u6ce8\u4e8e\u5206\u4eab\u6211\u5728\u771f\u5b9e\u9879\u76ee\u5f00\u53d1\u4e2d\u9047\u5230\u7684\u5404\u7c7b\u7591\u96beBug\u53ca\u5176\u6df1\u5c42\u6210\u56e0&#xff0c;\u5e76\u7cfb\u7edf\u63d0\u4f9b\u9ad8\u6548\u3001\u53ef\u590d\u73b0\u7684\u89e3\u51b3\u601d\u8def\u548c\u5b9e\u64cd\u65b9\u6848\u3002\u65e0\u8bba\u4f60\u662f\u521a\u5165\u884c\u7684\u65b0\u624b\u5f00\u53d1\u8005&#xff0c;\u8fd8\u662f\u62e5\u6709\u591a\u5e74\u9879\u76ee\u7ecf\u9a8c\u7684\u8d44\u6df1\u5de5\u7a0b\u5e08&#xff0c;\u672c\u4e13\u680f\u90fd\u5c06\u4e3a\u4f60\u63d0\u4f9b\u4e00\u6761\u7cfb\u7edf\u5316\u3001\u9ad8\u8d28\u91cf\u7684\u95ee\u9898\u6392\u67e5\u4e0e\u4f18\u5316\u8def\u5f84&#xff0c;\u52a9\u529b\u4f60\u52a0\u901f\u6210\u957f&#xff0c;\u653b\u514b\u6280\u672f\u58c1\u5792&#xff0c;\u8fc8\u5411\u6280\u672f\u4ef7\u503c\u6700\u5927\u5316\u4e0e\u804c\u4e1a\u53d1\u5c55\u7684\u66f4\u9ad8\u5cf0&#x1f680;&#xff01; \u2003\u2003 &#x1f4cc; \u7279\u522b\u8bf4\u660e&#xff1a; \u6587\u4e2d\u90e8\u5206\u6280\u672f\u95ee\u9898\u6765\u6e90\u4e8e\u771f\u5b9e\u751f\u4ea7\u73af\u5883\u53ca\u7f51\u7edc\u516c\u5f00\u6848\u4f8b&#xff0c;\u5747\u7ecf\u8fc7\u7cbe\u6311\u7ec6\u9009\u4e0e\u7cfb\u7edf\u5316\u6574\u7406&#xff0c;\u5e76\u7ed3\u5408\u591a\u4f4d\u4e00\u7ebf\u8d44\u6df1\u67b6\u6784\u5e08\u548c\u5de5\u7a0b\u5e08\u591a\u5e74\u5b9e\u6218\u7ecf\u9a8c\u6c89\u6dc0&#xff0c;\u63d0\u70bc\u51fa\u591a\u79cd\u7ecf\u8fc7\u9a8c\u8bc1\u7684\u9ad8\u53ef\u884c\u6027\u89e3\u51b3\u65b9\u6848&#xff0c;\u4f9b\u5f00\u53d1\u8005\u4eec\u53c2\u8003\u4e0e\u501f\u9274\u3002 \u2003\u2003 \u6b22\u8fce \u5173\u6ce8\u3001\u6536\u85cf\u5e76\u8ba2\u9605\u672c\u4e13\u680f&#xff0c;\u6301\u7eed\u66f4\u65b0\u7684\u5e72\u8d27\u5185\u5bb9\u5c06\u4e0e\u60a8\u540c\u884c&#xff0c;\u8ba9\u6211\u4eec\u643a\u624b\u7cbe\u8fdb&#xff0c;\u6280\u672f\u8dc3\u8fc1&#xff0c;\u6b65\u6b65\u9ad8\u5347&#xff01;<\/p>\n<p> <img decoding=\"async\" width=\"180\" height=\"\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/08\/20250812102014-689b155e5ce73.png\" \/><\/p>\n<h4>\u5168\u6587\u76ee\u5f55&#xff1a;<\/h4>\n<ul>\n<li>\n<ul>\n<li>&#x1f4e2; \u95ee\u9898\u63cf\u8ff0<\/li>\n<li>&#x1f4e3; \u8bf7\u77e5\u6089&#xff1a;\u5982\u4e0b\u65b9\u6848\u4e0d\u4fdd\u8bc1\u4e00\u5b9a\u9002\u914d\u4f60\u7684\u95ee\u9898&#xff01;<\/li>\n<li>\n<ul>\n<li>\u2705\ufe0f\u95ee\u9898\u7406\u89e3<\/li>\n<li>\u2705\ufe0f\u95ee\u9898\u89e3\u51b3\u65b9\u6848<\/li>\n<li>\n<ul>\n<li>1. \u5b8c\u6574\u7684\u89e3\u51b3\u65b9\u6848\u67b6\u6784<\/li>\n<li>2. \u8be6\u7ec6\u4ee3\u7801\u5b9e\u73b0<\/li>\n<li>3. \u9ad8\u7ea7\u4f18\u5316\u7248\u672c<\/li>\n<\/ul>\n<\/li>\n<li>\u2705\ufe0f\u95ee\u9898\u5ef6\u4f38<\/li>\n<li>\n<ul>\n<li>1. \u7cbe\u5ea6\u4f18\u5316\u7b56\u7565<\/li>\n<li>\n<ul>\n<li>\u4e9a\u50cf\u7d20\u7ea7\u7cbe\u5ea6\u63d0\u5347&#xff1a;<\/li>\n<li>\u591a\u5e27\u878d\u5408\u68c0\u6d4b&#xff1a;<\/li>\n<\/ul>\n<\/li>\n<li>2. \u5b9e\u65f6\u6027\u80fd\u4f18\u5316<\/li>\n<li>\n<ul>\n<li>\u7279\u5f81\u70b9\u7f13\u5b58\u673a\u5236&#xff1a;<\/li>\n<li>ROI\u611f\u5174\u8da3\u533a\u57df\u4f18\u5316&#xff1a;<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li>\u2705\ufe0f\u95ee\u9898\u9884\u6d4b<\/li>\n<li>\n<ul>\n<li>1. \u6f5c\u5728\u95ee\u9898\u53ca\u9884\u9632\u63aa\u65bd<\/li>\n<li>\n<ul>\n<li>\u5149\u7167\u53d8\u5316\u654f\u611f\u6027&#xff1a;<\/li>\n<li>\u51e0\u4f55\u7578\u53d8\u5904\u7406&#xff1a;<\/li>\n<\/ul>\n<\/li>\n<li>2. \u6269\u5c55\u5e94\u7528\u573a\u666f<\/li>\n<li>\n<ul>\n<li>\u591a\u76ee\u6807\u7c7b\u522b\u652f\u6301&#xff1a;<\/li>\n<li>\u5b9e\u65f6\u89c6\u9891\u6d41\u5904\u7406&#xff1a;<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li>\u2705\ufe0f\u5c0f\u7ed3<\/li>\n<\/ul>\n<\/li>\n<li>&#x1f9e7;&#x1f9e7; \u6587\u672b\u798f\u5229&#xff0c;\u7b49\u4f60\u6765\u62ff&#xff01;&#x1f9e7;&#x1f9e7;<\/li>\n<li>&#x1faf5; Who am I?<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3>&#x1f4e2; \u95ee\u9898\u63cf\u8ff0<\/h3>\n<p>\u95ee\u9898\u6765\u6e90&#xff1a;https:\/\/ask.csdn.net\/questions\/8587309<\/p>\n<p>\u95ee\u9898\u63cf\u8ff0&#xff1a;python&#043;fastrcnn\u76ee\u6807\u8bc6\u522b&#xff0c;\u6a21\u677f\u56fe\u6839\u636e\u76ee\u6807\u8bc6\u522b\u5230\u786c\u76d8\u548c\u7535\u8bdd\u5361\u7684boxes\u6846&#xff0c;\u68c0\u6d4b\u56fe1\u30012\u4e5f\u6709\u786c\u76d8\u548c\u7535\u8bdd\u5361&#xff0c;\u4f46\u662f\u68c0\u6d4b\u56fe\u7684\u4f4d\u7f6e\u662f\u4f1a\u52a8\u7684&#xff0c;\u4e0a\u4e0b\u5de6\u53f3\u52a8&#xff0c;\u53ef\u4ee5\u503e\u659c\u653e\u7f6e&#xff0c;\u68c0\u6d4b\u56fe\u548c\u6a21\u677f\u56fe\u4f7f\u7528sift\u7279\u5f81\u5339\u914d\u77eb\u6b63\u5f97\u5230\u4e00\u4e2a\u77e9\u9635&#xff0c;\u600e\u4e48\u6839\u636e\u6a21\u677f\u56fe\u786c\u76d8\u548c\u7535\u8bdd\u5361\u8bc6\u522b\u7684boxes\u6846\u548c\u8fd9\u4e2a\u77eb\u6b63\u77e9\u9635\u628a\u4f4d\u7f6e\u753b\u5230\u68c0\u6d4b\u56fe1\u30012\u4e2d\u786c\u76d8\u548c\u7535\u8bdd\u5361\u7684\u4f4d\u7f6e\u4e0a<\/p>\n<p>\u6a21\u677f\u56fe&#xff1a;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/08\/20250812102014-689b155e7ec19.png\" alt=\"\" \/><\/p>\n<p>\u68c0\u6d4b\u56fe1&#xff1a; \u00b7 <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/08\/20250812102014-689b155eac3f8.png\" alt=\"\" \/><\/p>\n<p>\u68c0\u6d4b\u56fe2&#xff1a;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/08\/20250812102014-689b155ee3fa2.png\" alt=\"\" \/><\/p>\n<p> <img decoding=\"async\" width=\"150\" height=\"\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/08\/20250812102015-689b155f1df92.jpg\" \/> <\/p>\n<h3>&#x1f4e3; \u8bf7\u77e5\u6089&#xff1a;\u5982\u4e0b\u65b9\u6848\u4e0d\u4fdd\u8bc1\u4e00\u5b9a\u9002\u914d\u4f60\u7684\u95ee\u9898&#xff01;<\/h3>\n<p>\u2003\u2003\u5982\u4e0b\u662f\u9488\u5bf9\u4e0a\u8ff0\u95ee\u9898\u8fdb\u884c\u4e13\u4e1a\u89d2\u5ea6\u5256\u6790\u7b54\u7591&#xff0c;\u4e0d\u559c\u52ff\u55b7&#xff0c;\u4ec5\u4f9b\u53c2\u8003&#xff1a;<\/p>\n<p> <img decoding=\"async\" width=\"150\" height=\"\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/08\/20250812102015-689b155f3e78e.png\" \/> <\/p>\n<h4>\u2705\ufe0f\u95ee\u9898\u7406\u89e3<\/h4>\n<p>\u9898\u4e3b\u9047\u5230\u7684\u662f\u4e00\u4e2a\u5178\u578b\u7684\u8ba1\u7b97\u673a\u89c6\u89c9\u4e2d\u7684\u591a\u6a21\u6001\u76ee\u6807\u68c0\u6d4b\u4e0e\u5750\u6807\u6620\u5c04\u95ee\u9898&#xff0c;\u5177\u4f53\u5305\u542b\u4ee5\u4e0b\u51e0\u4e2a\u5173\u952e\u70b9&#xff1a;<\/p>\n<li>\u76ee\u6807\u68c0\u6d4b\u90e8\u5206&#xff1a;\u4f7f\u7528FastRCNN\u5728\u6a21\u677f\u56fe\u4e2d\u68c0\u6d4b\u786c\u76d8\u548c\u7535\u8bdd\u5361&#xff0c;\u83b7\u5f97\u51c6\u786e\u7684bounding boxes\u5750\u6807<\/li>\n<li>\u51e0\u4f55\u53d8\u6362\u90e8\u5206&#xff1a;\u68c0\u6d4b\u56fe\u76f8\u5bf9\u4e8e\u6a21\u677f\u56fe\u5b58\u5728\u5e73\u79fb\u3001\u65cb\u8f6c\u3001\u7f29\u653e\u7b49\u51e0\u4f55\u53d8\u6362<\/li>\n<li>\u7279\u5f81\u5339\u914d\u90e8\u5206&#xff1a;\u901a\u8fc7SIFT\u7b97\u6cd5\u8fdb\u884c\u7279\u5f81\u70b9\u5339\u914d&#xff0c;\u8ba1\u7b97\u5355\u5e94\u6027\u77e9\u9635&#xff08;Homography Matrix&#xff09;<\/li>\n<li>\u5750\u6807\u6620\u5c04\u90e8\u5206&#xff1a;\u5c06\u6a21\u677f\u56fe\u4e2d\u7684\u68c0\u6d4b\u6846\u901a\u8fc7\u53d8\u6362\u77e9\u9635\u6620\u5c04\u5230\u68c0\u6d4b\u56fe\u7684\u76f8\u5e94\u4f4d\u7f6e<\/li>\n<p>\u8fd9\u4e2a\u95ee\u9898\u7684\u6838\u5fc3\u96be\u70b9\u5728\u4e8e\u5982\u4f55\u51c6\u786e\u5730\u5c06\u4e8c\u7ef4\u5e73\u9762\u4e0a\u7684\u77e9\u5f62\u5750\u6807\u6846\u901a\u8fc7\u900f\u89c6\u53d8\u6362\u77e9\u9635\u8fdb\u884c\u7a7a\u95f4\u6620\u5c04&#xff0c;\u540c\u65f6\u4fdd\u6301\u68c0\u6d4b\u7cbe\u5ea6\u3002<\/p>\n<h4>\u2705\ufe0f\u95ee\u9898\u89e3\u51b3\u65b9\u6848<\/h4>\n<h5>1. \u5b8c\u6574\u7684\u89e3\u51b3\u65b9\u6848\u67b6\u6784<\/h5>\n<p>  #mermaid-svg-DbAYdehi1SOTUd1Y {font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;font-size:16px;fill:#333;}#mermaid-svg-DbAYdehi1SOTUd1Y .error-icon{fill:#552222;}#mermaid-svg-DbAYdehi1SOTUd1Y .error-text{fill:#552222;stroke:#552222;}#mermaid-svg-DbAYdehi1SOTUd1Y 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circle,#mermaid-svg-DbAYdehi1SOTUd1Y .node ellipse,#mermaid-svg-DbAYdehi1SOTUd1Y .node polygon,#mermaid-svg-DbAYdehi1SOTUd1Y .node path{fill:#ECECFF;stroke:#9370DB;stroke-width:1px;}#mermaid-svg-DbAYdehi1SOTUd1Y .node .label{text-align:center;}#mermaid-svg-DbAYdehi1SOTUd1Y .node.clickable{cursor:pointer;}#mermaid-svg-DbAYdehi1SOTUd1Y .arrowheadPath{fill:#333333;}#mermaid-svg-DbAYdehi1SOTUd1Y .edgePath .path{stroke:#333333;stroke-width:2.0px;}#mermaid-svg-DbAYdehi1SOTUd1Y .flowchart-link{stroke:#333333;fill:none;}#mermaid-svg-DbAYdehi1SOTUd1Y .edgeLabel{background-color:#e8e8e8;text-align:center;}#mermaid-svg-DbAYdehi1SOTUd1Y .edgeLabel rect{opacity:0.5;background-color:#e8e8e8;fill:#e8e8e8;}#mermaid-svg-DbAYdehi1SOTUd1Y .cluster rect{fill:#ffffde;stroke:#aaaa33;stroke-width:1px;}#mermaid-svg-DbAYdehi1SOTUd1Y .cluster text{fill:#333;}#mermaid-svg-DbAYdehi1SOTUd1Y .cluster span{color:#333;}#mermaid-svg-DbAYdehi1SOTUd1Y div.mermaidTooltip{position:absolute;text-align:center;max-width:200px;padding:2px;font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;font-size:12px;background:hsl(80, 100%, 96.2745098039%);border:1px solid #aaaa33;border-radius:2px;pointer-events:none;z-index:100;}#mermaid-svg-DbAYdehi1SOTUd1Y :root{&#8211;mermaid-font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;}<\/p>\n<p>         <span id=\"L-L-A-B\" class=\"edgeLabel L-LS-A&#039; L-LE-B\"><\/span><\/p>\n<p>         <span id=\"L-L-B-C\" class=\"edgeLabel L-LS-B&#039; L-LE-C\"><\/span><\/p>\n<p>         <span id=\"L-L-D-E\" class=\"edgeLabel L-LS-D&#039; L-LE-E\"><\/span><\/p>\n<p>         <span id=\"L-L-A-F\" class=\"edgeLabel L-LS-A&#039; L-LE-F\"><\/span><\/p>\n<p>         <span id=\"L-L-E-G\" class=\"edgeLabel L-LS-E&#039; L-LE-G\"><\/span><\/p>\n<p>         <span id=\"L-L-F-G\" class=\"edgeLabel L-LS-F&#039; L-LE-G\"><\/span><\/p>\n<p>         <span id=\"L-L-G-H\" class=\"edgeLabel L-LS-G&#039; L-LE-H\"><\/span><\/p>\n<p>         <span id=\"L-L-C-I\" class=\"edgeLabel L-LS-C&#039; L-LE-I\"><\/span><\/p>\n<p>         <span id=\"L-L-H-I\" class=\"edgeLabel L-LS-H&#039; L-LE-I\"><\/span><\/p>\n<p>         <span id=\"L-L-I-J\" class=\"edgeLabel L-LS-I&#039; L-LE-J\"><\/span><\/p>\n<p>         <span id=\"L-L-D-J\" class=\"edgeLabel L-LS-D&#039; L-LE-J\"><\/span><\/p>\n<p>         <span id=\"L-L-J-K\" class=\"edgeLabel L-LS-J&#039; L-LE-K\"><\/span><\/p>\n<p>          \u6a21\u677f\u56fe<\/p>\n<p>          FastRCNN\u76ee\u6807\u68c0\u6d4b<\/p>\n<p>          \u83b7\u53d6\u786c\u76d8\/\u7535\u8bdd\u5361boxes<\/p>\n<p>          \u68c0\u6d4b\u56fe1\/2<\/p>\n<p>          SIFT\u7279\u5f81\u63d0\u53d6<\/p>\n<p>          SIFT\u7279\u5f81\u63d0\u53d6<\/p>\n<p>          \u7279\u5f81\u5339\u914d<\/p>\n<p>          \u8ba1\u7b97\u5355\u5e94\u6027\u77e9\u9635H<\/p>\n<p>          \u5750\u6807\u53d8\u6362<\/p>\n<p>          \u7ed8\u5236\u53d8\u6362\u540e\u7684boxes<\/p>\n<p>          \u6700\u7ec8\u68c0\u6d4b\u7ed3\u679c<\/p>\n<h5>2. \u8be6\u7ec6\u4ee3\u7801\u5b9e\u73b0<\/h5>\n<p><span class=\"token keyword\">import<\/span> cv2<br \/>\n<span class=\"token keyword\">import<\/span> numpy <span class=\"token keyword\">as<\/span> np<br \/>\n<span class=\"token keyword\">from<\/span> typing <span class=\"token keyword\">import<\/span> List<span class=\"token punctuation\">,<\/span> Tuple<span class=\"token punctuation\">,<\/span> Dict<br \/>\n<span class=\"token keyword\">import<\/span> matplotlib<span class=\"token punctuation\">.<\/span>pyplot <span class=\"token keyword\">as<\/span> plt<\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">TargetDetectionMapper<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token keyword\">def<\/span> <span class=\"token function\">__init__<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>sift <span class=\"token operator\">&#061;<\/span> cv2<span class=\"token punctuation\">.<\/span>SIFT_create<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>matcher <span class=\"token operator\">&#061;<\/span> cv2<span class=\"token punctuation\">.<\/span>BFMatcher<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">extract_and_match_features<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> template_img<span class=\"token punctuation\">:<\/span> np<span class=\"token punctuation\">.<\/span>ndarray<span class=\"token punctuation\">,<\/span><br \/>\n                                 detection_img<span class=\"token punctuation\">:<\/span> np<span class=\"token punctuation\">.<\/span>ndarray<span class=\"token punctuation\">,<\/span><br \/>\n                                 ratio_threshold<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">float<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0.75<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> Tuple<span class=\"token punctuation\">[<\/span>np<span class=\"token punctuation\">.<\/span>ndarray<span class=\"token punctuation\">,<\/span> np<span class=\"token punctuation\">.<\/span>ndarray<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token triple-quoted-string string\">&#034;&#034;&#034;<br \/>\n        \u63d0\u53d6SIFT\u7279\u5f81\u5e76\u8fdb\u884c\u5339\u914d<br \/>\n        &#034;&#034;&#034;<\/span><br \/>\n        <span class=\"token comment\"># \u8f6c\u6362\u4e3a\u7070\u5ea6\u56fe<\/span><br \/>\n        template_gray <span class=\"token operator\">&#061;<\/span> cv2<span class=\"token punctuation\">.<\/span>cvtColor<span class=\"token punctuation\">(<\/span>template_img<span class=\"token punctuation\">,<\/span> cv2<span class=\"token punctuation\">.<\/span>COLOR_BGR2GRAY<span class=\"token punctuation\">)<\/span><br \/>\n        detection_gray <span class=\"token operator\">&#061;<\/span> cv2<span class=\"token punctuation\">.<\/span>cvtColor<span class=\"token punctuation\">(<\/span>detection_img<span class=\"token punctuation\">,<\/span> cv2<span class=\"token punctuation\">.<\/span>COLOR_BGR2GRAY<span class=\"token punctuation\">)<\/span><\/p>\n<p>        <span class=\"token comment\"># \u63d0\u53d6\u5173\u952e\u70b9\u548c\u63cf\u8ff0\u7b26<\/span><br \/>\n        kp1<span class=\"token punctuation\">,<\/span> des1 <span class=\"token operator\">&#061;<\/span> self<span class=\"token punctuation\">.<\/span>sift<span class=\"token punctuation\">.<\/span>detectAndCompute<span class=\"token punctuation\">(<\/span>template_gray<span class=\"token punctuation\">,<\/span> <span class=\"token boolean\">None<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        kp2<span class=\"token punctuation\">,<\/span> des2 <span class=\"token operator\">&#061;<\/span> self<span class=\"token punctuation\">.<\/span>sift<span class=\"token punctuation\">.<\/span>detectAndCompute<span class=\"token punctuation\">(<\/span>detection_gray<span class=\"token punctuation\">,<\/span> <span class=\"token boolean\">None<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>        <span class=\"token comment\"># \u7279\u5f81\u5339\u914d<\/span><br \/>\n        matches <span class=\"token operator\">&#061;<\/span> self<span class=\"token punctuation\">.<\/span>matcher<span class=\"token punctuation\">.<\/span>knnMatch<span class=\"token punctuation\">(<\/span>des1<span class=\"token punctuation\">,<\/span> des2<span class=\"token punctuation\">,<\/span> k<span class=\"token operator\">&#061;<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>        <span class=\"token comment\"># \u5e94\u7528\u6bd4\u7387\u6d4b\u8bd5\u8fc7\u6ee4\u826f\u597d\u5339\u914d<\/span><br \/>\n        good_matches <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><br \/>\n        <span class=\"token keyword\">for<\/span> match_pair <span class=\"token keyword\">in<\/span> matches<span class=\"token punctuation\">:<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token builtin\">len<\/span><span class=\"token punctuation\">(<\/span>match_pair<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">:<\/span><br \/>\n                m<span class=\"token punctuation\">,<\/span> n <span class=\"token operator\">&#061;<\/span> match_pair<br \/>\n                <span class=\"token keyword\">if<\/span> m<span class=\"token punctuation\">.<\/span>distance <span class=\"token operator\">&lt;<\/span> ratio_threshold <span class=\"token operator\">*<\/span> n<span class=\"token punctuation\">.<\/span>distance<span class=\"token punctuation\">:<\/span><br \/>\n                    good_matches<span class=\"token punctuation\">.<\/span>append<span class=\"token punctuation\">(<\/span>m<span class=\"token punctuation\">)<\/span><\/p>\n<p>        <span class=\"token comment\"># \u63d0\u53d6\u5339\u914d\u70b9\u5750\u6807<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token builtin\">len<\/span><span class=\"token punctuation\">(<\/span>good_matches<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&gt;&#061;<\/span> <span class=\"token number\">4<\/span><span class=\"token punctuation\">:<\/span>  <span class=\"token comment\"># \u81f3\u5c11\u9700\u89814\u4e2a\u70b9\u6765\u8ba1\u7b97\u5355\u5e94\u6027\u77e9\u9635<\/span><br \/>\n            src_pts <span class=\"token operator\">&#061;<\/span> np<span class=\"token punctuation\">.<\/span>float32<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span>kp1<span class=\"token punctuation\">[<\/span>m<span class=\"token punctuation\">.<\/span>queryIdx<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span>pt <span class=\"token keyword\">for<\/span> m <span class=\"token keyword\">in<\/span> good_matches<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>reshape<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 number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            dst_pts <span class=\"token operator\">&#061;<\/span> np<span class=\"token punctuation\">.<\/span>float32<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span>kp2<span class=\"token punctuation\">[<\/span>m<span class=\"token punctuation\">.<\/span>trainIdx<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span>pt <span class=\"token keyword\">for<\/span> m <span class=\"token keyword\">in<\/span> good_matches<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>reshape<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 number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> src_pts<span class=\"token punctuation\">,<\/span> dst_pts<br \/>\n        <span class=\"token keyword\">else<\/span><span class=\"token punctuation\">:<\/span><br \/>\n            <span class=\"token keyword\">raise<\/span> ValueError<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u5339\u914d\u70b9\u6570\u91cf\u4e0d\u8db3&#xff0c;\u65e0\u6cd5\u8ba1\u7b97\u5355\u5e94\u6027\u77e9\u9635&#034;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">calculate_homography_matrix<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> src_pts<span class=\"token punctuation\">:<\/span> np<span class=\"token punctuation\">.<\/span>ndarray<span class=\"token punctuation\">,<\/span><br \/>\n                                  dst_pts<span class=\"token punctuation\">:<\/span> np<span class=\"token punctuation\">.<\/span>ndarray<span class=\"token punctuation\">,<\/span><br \/>\n                                  method<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">int<\/span> <span class=\"token operator\">&#061;<\/span> cv2<span class=\"token punctuation\">.<\/span>RANSAC<span class=\"token punctuation\">,<\/span><br \/>\n                                  ransac_threshold<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">float<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">5.0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> np<span class=\"token punctuation\">.<\/span>ndarray<span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token triple-quoted-string string\">&#034;&#034;&#034;<br \/>\n        \u8ba1\u7b97\u5355\u5e94\u6027\u77e9\u9635<br \/>\n        &#034;&#034;&#034;<\/span><br \/>\n        homography_matrix<span class=\"token punctuation\">,<\/span> mask <span class=\"token operator\">&#061;<\/span> cv2<span class=\"token punctuation\">.<\/span>findHomography<span class=\"token punctuation\">(<\/span><br \/>\n            src_pts<span class=\"token punctuation\">,<\/span> dst_pts<span class=\"token punctuation\">,<\/span><br \/>\n            method<span class=\"token operator\">&#061;<\/span>method<span class=\"token punctuation\">,<\/span><br \/>\n            ransacReprojThreshold<span class=\"token operator\">&#061;<\/span>ransac_threshold<br \/>\n        <span class=\"token punctuation\">)<\/span><\/p>\n<p>        <span class=\"token keyword\">if<\/span> homography_matrix <span class=\"token keyword\">is<\/span> <span class=\"token boolean\">None<\/span><span class=\"token punctuation\">:<\/span><br \/>\n            <span class=\"token keyword\">raise<\/span> ValueError<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u65e0\u6cd5\u8ba1\u7b97\u6709\u6548\u7684\u5355\u5e94\u6027\u77e9\u9635&#034;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>        <span class=\"token keyword\">return<\/span> homography_matrix<\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">transform_bounding_boxes<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> boxes<span class=\"token punctuation\">:<\/span> List<span class=\"token punctuation\">[<\/span>List<span class=\"token punctuation\">[<\/span><span class=\"token builtin\">int<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                               homography_matrix<span class=\"token punctuation\">:<\/span> np<span class=\"token punctuation\">.<\/span>ndarray<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> List<span class=\"token punctuation\">[<\/span>np<span class=\"token punctuation\">.<\/span>ndarray<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token triple-quoted-string string\">&#034;&#034;&#034;<br \/>\n        \u5c06\u8fb9\u754c\u6846\u5750\u6807\u901a\u8fc7\u5355\u5e94\u6027\u77e9\u9635\u8fdb\u884c\u53d8\u6362<br \/>\n        &#034;&#034;&#034;<\/span><br \/>\n        transformed_boxes <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><\/p>\n<p>        <span class=\"token keyword\">for<\/span> box <span class=\"token keyword\">in<\/span> boxes<span class=\"token punctuation\">:<\/span><br \/>\n            <span class=\"token comment\"># box\u683c\u5f0f: [x_min, y_min, x_max, y_max]<\/span><br \/>\n            x_min<span class=\"token punctuation\">,<\/span> y_min<span class=\"token punctuation\">,<\/span> x_max<span class=\"token punctuation\">,<\/span> y_max <span class=\"token operator\">&#061;<\/span> box<\/p>\n<p>            <span class=\"token comment\"># \u6784\u5efa\u77e9\u5f62\u7684\u56db\u4e2a\u89d2\u70b9<\/span><br \/>\n            corners <span class=\"token operator\">&#061;<\/span> np<span class=\"token punctuation\">.<\/span>array<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span><br \/>\n                <span class=\"token punctuation\">[<\/span>x_min<span class=\"token punctuation\">,<\/span> y_min<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span>  <span class=\"token comment\"># \u5de6\u4e0a\u89d2<\/span><br \/>\n                <span class=\"token punctuation\">[<\/span>x_max<span class=\"token punctuation\">,<\/span> y_min<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span>  <span class=\"token comment\"># \u53f3\u4e0a\u89d2<\/span><br \/>\n                <span class=\"token punctuation\">[<\/span>x_max<span class=\"token punctuation\">,<\/span> y_max<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span>  <span class=\"token comment\"># \u53f3\u4e0b\u89d2<\/span><br \/>\n                <span class=\"token punctuation\">[<\/span>x_min<span class=\"token punctuation\">,<\/span> y_max<span class=\"token punctuation\">]<\/span>   <span class=\"token comment\"># \u5de6\u4e0b\u89d2<\/span><br \/>\n            <span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span> dtype<span class=\"token operator\">&#061;<\/span>np<span class=\"token punctuation\">.<\/span>float32<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>reshape<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 number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>            <span class=\"token comment\"># \u5e94\u7528\u5355\u5e94\u6027\u53d8\u6362<\/span><br \/>\n            transformed_corners <span class=\"token operator\">&#061;<\/span> cv2<span class=\"token punctuation\">.<\/span>perspectiveTransform<span class=\"token punctuation\">(<\/span>corners<span class=\"token punctuation\">,<\/span> homography_matrix<span class=\"token punctuation\">)<\/span><br \/>\n            transformed_boxes<span class=\"token punctuation\">.<\/span>append<span class=\"token punctuation\">(<\/span>transformed_corners<span class=\"token punctuation\">)<\/span><\/p>\n<p>        <span class=\"token keyword\">return<\/span> transformed_boxes<\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">draw_transformed_boxes<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> image<span class=\"token punctuation\">:<\/span> np<span class=\"token punctuation\">.<\/span>ndarray<span class=\"token punctuation\">,<\/span><br \/>\n                             transformed_boxes<span class=\"token punctuation\">:<\/span> List<span class=\"token punctuation\">[<\/span>np<span class=\"token punctuation\">.<\/span>ndarray<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                             labels<span class=\"token punctuation\">:<\/span> List<span class=\"token punctuation\">[<\/span><span class=\"token builtin\">str<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">None<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                             colors<span class=\"token punctuation\">:<\/span> List<span class=\"token punctuation\">[<\/span>Tuple<span class=\"token punctuation\">[<\/span><span class=\"token builtin\">int<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token builtin\">int<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token builtin\">int<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">None<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> np<span class=\"token punctuation\">.<\/span>ndarray<span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token triple-quoted-string string\">&#034;&#034;&#034;<br \/>\n        \u5728\u68c0\u6d4b\u56fe\u4e0a\u7ed8\u5236\u53d8\u6362\u540e\u7684\u8fb9\u754c\u6846<br \/>\n        &#034;&#034;&#034;<\/span><br \/>\n        result_img <span class=\"token operator\">&#061;<\/span> image<span class=\"token punctuation\">.<\/span>copy<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>        <span class=\"token keyword\">if<\/span> colors <span class=\"token keyword\">is<\/span> <span class=\"token boolean\">None<\/span><span class=\"token punctuation\">:<\/span><br \/>\n            colors <span class=\"token operator\">&#061;<\/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 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 number\">0<\/span><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\">0<\/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 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\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">]<\/span><\/p>\n<p>        <span class=\"token keyword\">for<\/span> i<span class=\"token punctuation\">,<\/span> box_corners <span class=\"token keyword\">in<\/span> <span class=\"token builtin\">enumerate<\/span><span class=\"token punctuation\">(<\/span>transformed_boxes<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n            <span class=\"token comment\"># \u7ed8\u5236\u591a\u8fb9\u5f62\u6846<\/span><br \/>\n            pts <span class=\"token operator\">&#061;<\/span> np<span class=\"token punctuation\">.<\/span>int32<span class=\"token punctuation\">(<\/span>box_corners<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>reshape<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 number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            cv2<span class=\"token punctuation\">.<\/span>polylines<span class=\"token punctuation\">(<\/span>result_img<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">[<\/span>pts<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span> isClosed<span class=\"token operator\">&#061;<\/span><span class=\"token boolean\">True<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                         color<span class=\"token operator\">&#061;<\/span>colors<span class=\"token punctuation\">[<\/span>i <span class=\"token operator\">%<\/span> <span class=\"token builtin\">len<\/span><span class=\"token punctuation\">(<\/span>colors<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span> thickness<span class=\"token operator\">&#061;<\/span><span class=\"token number\">3<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>            <span class=\"token comment\"># \u6dfb\u52a0\u6807\u7b7e<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> labels <span class=\"token keyword\">and<\/span> i <span class=\"token operator\">&lt;<\/span> <span class=\"token builtin\">len<\/span><span class=\"token punctuation\">(<\/span>labels<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n                <span class=\"token comment\"># \u8ba1\u7b97\u6587\u672c\u4f4d\u7f6e&#xff08;\u4f7f\u7528\u53d8\u6362\u540e\u7684\u5de6\u4e0a\u89d2&#xff09;<\/span><br \/>\n                text_pos <span class=\"token operator\">&#061;<\/span> <span class=\"token builtin\">tuple<\/span><span class=\"token punctuation\">(<\/span><span class=\"token builtin\">map<\/span><span class=\"token punctuation\">(<\/span><span class=\"token builtin\">int<\/span><span class=\"token punctuation\">,<\/span> box_corners<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\">0<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                cv2<span class=\"token punctuation\">.<\/span>putText<span class=\"token punctuation\">(<\/span>result_img<span class=\"token punctuation\">,<\/span> labels<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span> text_pos<span class=\"token punctuation\">,<\/span><br \/>\n                           cv2<span class=\"token punctuation\">.<\/span>FONT_HERSHEY_SIMPLEX<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0.8<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                           colors<span class=\"token punctuation\">[<\/span>i <span class=\"token operator\">%<\/span> <span class=\"token builtin\">len<\/span><span class=\"token punctuation\">(<\/span>colors<span class=\"token punctuation\">)<\/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\">return<\/span> result_img<\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">process_detection_mapping<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> template_img_path<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                                detection_img_path<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                                template_boxes<span class=\"token punctuation\">:<\/span> List<span class=\"token punctuation\">[<\/span>List<span class=\"token punctuation\">[<\/span><span class=\"token builtin\">int<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                                box_labels<span class=\"token punctuation\">:<\/span> List<span class=\"token punctuation\">[<\/span><span class=\"token builtin\">str<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">None<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> np<span class=\"token punctuation\">.<\/span>ndarray<span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token triple-quoted-string string\">&#034;&#034;&#034;<br \/>\n        \u5b8c\u6574\u7684\u68c0\u6d4b\u6620\u5c04\u6d41\u7a0b<br \/>\n        &#034;&#034;&#034;<\/span><br \/>\n        <span class=\"token comment\"># \u8bfb\u53d6\u56fe\u50cf<\/span><br \/>\n        template_img <span class=\"token operator\">&#061;<\/span> cv2<span class=\"token punctuation\">.<\/span>imread<span class=\"token punctuation\">(<\/span>template_img_path<span class=\"token punctuation\">)<\/span><br \/>\n        detection_img <span class=\"token operator\">&#061;<\/span> cv2<span class=\"token punctuation\">.<\/span>imread<span class=\"token punctuation\">(<\/span>detection_img_path<span class=\"token punctuation\">)<\/span><\/p>\n<p>        <span class=\"token keyword\">if<\/span> template_img <span class=\"token keyword\">is<\/span> <span class=\"token boolean\">None<\/span> <span class=\"token keyword\">or<\/span> detection_img <span class=\"token keyword\">is<\/span> <span class=\"token boolean\">None<\/span><span class=\"token punctuation\">:<\/span><br \/>\n            <span class=\"token keyword\">raise<\/span> ValueError<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u65e0\u6cd5\u8bfb\u53d6\u56fe\u50cf\u6587\u4ef6&#034;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>        <span class=\"token keyword\">try<\/span><span class=\"token punctuation\">:<\/span><br \/>\n            <span class=\"token comment\"># 1. \u7279\u5f81\u5339\u914d<\/span><br \/>\n            src_pts<span class=\"token punctuation\">,<\/span> dst_pts <span class=\"token operator\">&#061;<\/span> self<span class=\"token punctuation\">.<\/span>extract_and_match_features<span class=\"token punctuation\">(<\/span>template_img<span class=\"token punctuation\">,<\/span> detection_img<span class=\"token punctuation\">)<\/span><\/p>\n<p>            <span class=\"token comment\"># 2. \u8ba1\u7b97\u5355\u5e94\u6027\u77e9\u9635<\/span><br \/>\n            homography_matrix <span class=\"token operator\">&#061;<\/span> self<span class=\"token punctuation\">.<\/span>calculate_homography_matrix<span class=\"token punctuation\">(<\/span>src_pts<span class=\"token punctuation\">,<\/span> dst_pts<span class=\"token punctuation\">)<\/span><\/p>\n<p>            <span class=\"token comment\"># 3. \u53d8\u6362\u8fb9\u754c\u6846<\/span><br \/>\n            transformed_boxes <span class=\"token operator\">&#061;<\/span> self<span class=\"token punctuation\">.<\/span>transform_bounding_boxes<span class=\"token punctuation\">(<\/span>template_boxes<span class=\"token punctuation\">,<\/span> homography_matrix<span class=\"token punctuation\">)<\/span><\/p>\n<p>            <span class=\"token comment\"># 4. \u7ed8\u5236\u7ed3\u679c<\/span><br \/>\n            result_img <span class=\"token operator\">&#061;<\/span> self<span class=\"token punctuation\">.<\/span>draw_transformed_boxes<span class=\"token punctuation\">(<\/span>detection_img<span class=\"token punctuation\">,<\/span> transformed_boxes<span class=\"token punctuation\">,<\/span> box_labels<span class=\"token punctuation\">)<\/span><\/p>\n<p>            <span class=\"token keyword\">return<\/span> result_img<span class=\"token punctuation\">,<\/span> homography_matrix<\/p>\n<p>        <span class=\"token keyword\">except<\/span> Exception <span class=\"token keyword\">as<\/span> e<span class=\"token punctuation\">:<\/span><br \/>\n            <span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-interpolation\"><span class=\"token string\">f&#034;\u5904\u7406\u8fc7\u7a0b\u4e2d\u51fa\u73b0\u9519\u8bef: <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>e<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> detection_img<span class=\"token punctuation\">,<\/span> <span class=\"token boolean\">None<\/span><\/p>\n<p><span class=\"token comment\"># \u4f7f\u7528\u793a\u4f8b<\/span><br \/>\n<span class=\"token keyword\">def<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token comment\"># \u521d\u59cb\u5316\u68c0\u6d4b\u6620\u5c04\u5668<\/span><br \/>\n    mapper <span class=\"token operator\">&#061;<\/span> TargetDetectionMapper<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token comment\"># \u6a21\u677f\u56fe\u4e2dFastRCNN\u68c0\u6d4b\u5230\u7684\u786c\u76d8\u548c\u7535\u8bdd\u5361\u7684boxes<\/span><br \/>\n    <span class=\"token comment\"># \u683c\u5f0f: [x_min, y_min, x_max, y_max]<\/span><br \/>\n    template_boxes <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><br \/>\n        <span class=\"token punctuation\">[<\/span><span class=\"token number\">100<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">150<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">300<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">250<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span>  <span class=\"token comment\"># \u786c\u76d8\u7684\u8fb9\u754c\u6846<\/span><br \/>\n        <span class=\"token punctuation\">[<\/span><span class=\"token number\">350<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">100<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">450<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">200<\/span><span class=\"token punctuation\">]<\/span>   <span class=\"token comment\"># \u7535\u8bdd\u5361\u7684\u8fb9\u754c\u6846<\/span><br \/>\n    <span class=\"token punctuation\">]<\/span><\/p>\n<p>    box_labels <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;\u786c\u76d8&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;\u7535\u8bdd\u5361&#034;<\/span><span class=\"token punctuation\">]<\/span><\/p>\n<p>    <span class=\"token comment\"># \u5904\u7406\u68c0\u6d4b\u56fe1<\/span><br \/>\n    result_img1<span class=\"token punctuation\">,<\/span> homography1 <span class=\"token operator\">&#061;<\/span> mapper<span class=\"token punctuation\">.<\/span>process_detection_mapping<span class=\"token punctuation\">(<\/span><br \/>\n        <span class=\"token string\">&#034;template_image.jpg&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token string\">&#034;detection_image1.jpg&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        template_boxes<span class=\"token punctuation\">,<\/span><br \/>\n        box_labels<br \/>\n    <span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token comment\"># \u5904\u7406\u68c0\u6d4b\u56fe2<\/span><br \/>\n    result_img2<span class=\"token punctuation\">,<\/span> homography2 <span class=\"token operator\">&#061;<\/span> mapper<span class=\"token punctuation\">.<\/span>process_detection_mapping<span class=\"token punctuation\">(<\/span><br \/>\n        <span class=\"token string\">&#034;template_image.jpg&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token string\">&#034;detection_image2.jpg&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        template_boxes<span class=\"token punctuation\">,<\/span><br \/>\n        box_labels<br \/>\n    <span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token comment\"># \u663e\u793a\u7ed3\u679c<\/span><br \/>\n    cv2<span class=\"token punctuation\">.<\/span>imshow<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Detection Result 1&#034;<\/span><span class=\"token punctuation\">,<\/span> result_img1<span class=\"token punctuation\">)<\/span><br \/>\n    cv2<span class=\"token punctuation\">.<\/span>imshow<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Detection Result 2&#034;<\/span><span class=\"token punctuation\">,<\/span> result_img2<span class=\"token punctuation\">)<\/span><br \/>\n    cv2<span class=\"token punctuation\">.<\/span>waitKey<span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    cv2<span class=\"token punctuation\">.<\/span>destroyAllWindows<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token comment\"># \u4fdd\u5b58\u7ed3\u679c<\/span><br \/>\n    cv2<span class=\"token punctuation\">.<\/span>imwrite<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;result_detection1.jpg&#034;<\/span><span class=\"token punctuation\">,<\/span> result_img1<span class=\"token punctuation\">)<\/span><br \/>\n    cv2<span class=\"token punctuation\">.<\/span>imwrite<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;result_detection2.jpg&#034;<\/span><span class=\"token punctuation\">,<\/span> result_img2<span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token keyword\">if<\/span> __name__ <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token string\">&#034;__main__&#034;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    main<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<h5>3. \u9ad8\u7ea7\u4f18\u5316\u7248\u672c<\/h5>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">AdvancedDetectionMapper<\/span><span class=\"token punctuation\">(<\/span>TargetDetectionMapper<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token keyword\">def<\/span> <span class=\"token function\">__init__<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token builtin\">super<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>__init__<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>feature_cache <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">adaptive_feature_matching<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> template_img<span class=\"token punctuation\">:<\/span> np<span class=\"token punctuation\">.<\/span>ndarray<span class=\"token punctuation\">,<\/span><br \/>\n                                detection_img<span class=\"token punctuation\">:<\/span> np<span class=\"token punctuation\">.<\/span>ndarray<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> Tuple<span class=\"token punctuation\">[<\/span>np<span class=\"token punctuation\">.<\/span>ndarray<span class=\"token punctuation\">,<\/span> np<span class=\"token punctuation\">.<\/span>ndarray<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token triple-quoted-string string\">&#034;&#034;&#034;<br \/>\n        \u81ea\u9002\u5e94\u7279\u5f81\u5339\u914d&#xff0c;\u63d0\u9ad8\u9c81\u68d2\u6027<br \/>\n        &#034;&#034;&#034;<\/span><br \/>\n        <span class=\"token comment\"># \u591a\u5c3a\u5ea6\u7279\u5f81\u63d0\u53d6<\/span><br \/>\n        scales <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token number\">1.0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0.8<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1.2<\/span><span class=\"token punctuation\">]<\/span><br \/>\n        best_matches <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><br \/>\n        best_count <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><\/p>\n<p>        <span class=\"token keyword\">for<\/span> scale <span class=\"token keyword\">in<\/span> scales<span class=\"token punctuation\">:<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> scale <span class=\"token operator\">!&#061;<\/span> <span class=\"token number\">1.0<\/span><span class=\"token punctuation\">:<\/span><br \/>\n                h<span class=\"token punctuation\">,<\/span> w <span class=\"token operator\">&#061;<\/span> template_img<span class=\"token punctuation\">.<\/span>shape<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">:<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">]<\/span><br \/>\n                template_scaled <span class=\"token operator\">&#061;<\/span> cv2<span class=\"token punctuation\">.<\/span>resize<span class=\"token punctuation\">(<\/span>template_img<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token builtin\">int<\/span><span class=\"token punctuation\">(<\/span>w<span class=\"token operator\">*<\/span>scale<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token builtin\">int<\/span><span class=\"token punctuation\">(<\/span>h<span class=\"token operator\">*<\/span>scale<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token keyword\">else<\/span><span class=\"token punctuation\">:<\/span><br \/>\n                template_scaled <span class=\"token operator\">&#061;<\/span> template_img<\/p>\n<p>            <span class=\"token keyword\">try<\/span><span class=\"token punctuation\">:<\/span><br \/>\n                src_pts<span class=\"token punctuation\">,<\/span> dst_pts <span class=\"token operator\">&#061;<\/span> self<span class=\"token punctuation\">.<\/span>extract_and_match_features<span class=\"token punctuation\">(<\/span>template_scaled<span class=\"token punctuation\">,<\/span> detection_img<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token keyword\">if<\/span> <span class=\"token builtin\">len<\/span><span class=\"token punctuation\">(<\/span>src_pts<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&gt;<\/span> best_count<span class=\"token punctuation\">:<\/span><br \/>\n                    best_count <span class=\"token operator\">&#061;<\/span> <span class=\"token builtin\">len<\/span><span class=\"token punctuation\">(<\/span>src_pts<span class=\"token punctuation\">)<\/span><br \/>\n                    best_matches <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>src_pts<span class=\"token punctuation\">,<\/span> dst_pts<span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token keyword\">if<\/span> scale <span class=\"token operator\">!&#061;<\/span> <span class=\"token number\">1.0<\/span><span class=\"token punctuation\">:<\/span><br \/>\n                        <span class=\"token comment\"># \u7f29\u653e\u5750\u6807\u56de\u539f\u59cb\u5c3a\u5bf8<\/span><br \/>\n                        best_matches <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>src_pts <span class=\"token operator\">\/<\/span> scale<span class=\"token punctuation\">,<\/span> dst_pts<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token keyword\">except<\/span><span class=\"token punctuation\">:<\/span><br \/>\n                <span class=\"token keyword\">continue<\/span><\/p>\n<p>        <span class=\"token keyword\">if<\/span> best_count <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">:<\/span><br \/>\n            <span class=\"token keyword\">raise<\/span> ValueError<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u6240\u6709\u5c3a\u5ea6\u4e0b\u90fd\u65e0\u6cd5\u627e\u5230\u8db3\u591f\u7684\u5339\u914d\u70b9&#034;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>        <span class=\"token keyword\">return<\/span> best_matches<\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">validate_homography<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> homography_matrix<span class=\"token punctuation\">:<\/span> np<span class=\"token punctuation\">.<\/span>ndarray<span class=\"token punctuation\">,<\/span><br \/>\n                          src_pts<span class=\"token punctuation\">:<\/span> np<span class=\"token punctuation\">.<\/span>ndarray<span class=\"token punctuation\">,<\/span> dst_pts<span class=\"token punctuation\">:<\/span> np<span class=\"token punctuation\">.<\/span>ndarray<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token builtin\">bool<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token triple-quoted-string string\">&#034;&#034;&#034;<br \/>\n        \u9a8c\u8bc1\u5355\u5e94\u6027\u77e9\u9635\u7684\u6709\u6548\u6027<br \/>\n        &#034;&#034;&#034;<\/span><br \/>\n        <span class=\"token comment\"># \u68c0\u67e5\u77e9\u9635\u6761\u4ef6\u6570<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> np<span class=\"token punctuation\">.<\/span>linalg<span class=\"token punctuation\">.<\/span>cond<span class=\"token punctuation\">(<\/span>homography_matrix<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">1e12<\/span><span class=\"token punctuation\">:<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">False<\/span><\/p>\n<p>        <span class=\"token comment\"># \u68c0\u67e5\u53d8\u6362\u540e\u7684\u70b9\u662f\u5426\u5728\u5408\u7406\u8303\u56f4\u5185<\/span><br \/>\n        transformed_pts <span class=\"token operator\">&#061;<\/span> cv2<span class=\"token punctuation\">.<\/span>perspectiveTransform<span class=\"token punctuation\">(<\/span>src_pts<span class=\"token punctuation\">,<\/span> homography_matrix<span class=\"token punctuation\">)<\/span><\/p>\n<p>        <span class=\"token comment\"># \u8ba1\u7b97\u91cd\u6295\u5f71\u8bef\u5dee<\/span><br \/>\n        reprojection_errors <span class=\"token operator\">&#061;<\/span> np<span class=\"token punctuation\">.<\/span>linalg<span class=\"token punctuation\">.<\/span>norm<span class=\"token punctuation\">(<\/span>transformed_pts <span class=\"token operator\">&#8211;<\/span> dst_pts<span class=\"token punctuation\">,<\/span> axis<span class=\"token operator\">&#061;<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        mean_error <span class=\"token operator\">&#061;<\/span> np<span class=\"token punctuation\">.<\/span>mean<span class=\"token punctuation\">(<\/span>reprojection_errors<span class=\"token punctuation\">)<\/span><\/p>\n<p>        <span class=\"token keyword\">return<\/span> mean_error <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">10.0<\/span>  <span class=\"token comment\"># \u50cf\u7d20\u8bef\u5dee\u9608\u503c<\/span><\/p>\n<h4>\u2705\ufe0f\u95ee\u9898\u5ef6\u4f38<\/h4>\n<h5>1. \u7cbe\u5ea6\u4f18\u5316\u7b56\u7565<\/h5>\n<h6>\u4e9a\u50cf\u7d20\u7ea7\u7cbe\u5ea6\u63d0\u5347&#xff1a;<\/h6>\n<p><span class=\"token keyword\">def<\/span> <span class=\"token function\">subpixel_corner_refinement<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> corners<span class=\"token punctuation\">:<\/span> np<span class=\"token punctuation\">.<\/span>ndarray<span class=\"token punctuation\">,<\/span> image<span class=\"token punctuation\">:<\/span> np<span class=\"token punctuation\">.<\/span>ndarray<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> np<span class=\"token punctuation\">.<\/span>ndarray<span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token triple-quoted-string string\">&#034;&#034;&#034;<br \/>\n    \u4e9a\u50cf\u7d20\u7ea7\u89d2\u70b9\u7cbe\u5316<br \/>\n    &#034;&#034;&#034;<\/span><br \/>\n    gray <span class=\"token operator\">&#061;<\/span> cv2<span class=\"token punctuation\">.<\/span>cvtColor<span class=\"token punctuation\">(<\/span>image<span class=\"token punctuation\">,<\/span> cv2<span class=\"token punctuation\">.<\/span>COLOR_BGR2GRAY<span class=\"token punctuation\">)<\/span><br \/>\n    criteria <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>cv2<span class=\"token punctuation\">.<\/span>TERM_CRITERIA_EPS <span class=\"token operator\">&#043;<\/span> cv2<span class=\"token punctuation\">.<\/span>TERM_CRITERIA_MAX_ITER<span class=\"token punctuation\">,<\/span> <span class=\"token number\">30<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0.001<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>    refined_corners <span class=\"token operator\">&#061;<\/span> cv2<span class=\"token punctuation\">.<\/span>cornerSubPix<span class=\"token punctuation\">(<\/span><br \/>\n        gray<span class=\"token punctuation\">,<\/span> corners<span class=\"token punctuation\">.<\/span>reshape<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 number\">2<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>astype<span class=\"token punctuation\">(<\/span>np<span class=\"token punctuation\">.<\/span>float32<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token punctuation\">(<\/span><span class=\"token number\">11<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">11<\/span><span class=\"token punctuation\">)<\/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> <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> criteria<br \/>\n    <span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token keyword\">return<\/span> refined_corners<span class=\"token punctuation\">.<\/span>reshape<span class=\"token punctuation\">(<\/span>corners<span class=\"token punctuation\">.<\/span>shape<span class=\"token punctuation\">)<\/span><\/p>\n<h6>\u591a\u5e27\u878d\u5408\u68c0\u6d4b&#xff1a;<\/h6>\n<p><span class=\"token keyword\">def<\/span> <span class=\"token function\">multi_frame_detection_fusion<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> template_boxes<span class=\"token punctuation\">:<\/span> List<span class=\"token punctuation\">[<\/span>List<span class=\"token punctuation\">[<\/span><span class=\"token builtin\">int<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                               detection_images<span class=\"token punctuation\">:<\/span> List<span class=\"token punctuation\">[<\/span>np<span class=\"token punctuation\">.<\/span>ndarray<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> Dict<span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token triple-quoted-string string\">&#034;&#034;&#034;<br \/>\n    \u591a\u5e27\u68c0\u6d4b\u7ed3\u679c\u878d\u5408&#xff0c;\u63d0\u9ad8\u7a33\u5b9a\u6027<br \/>\n    &#034;&#034;&#034;<\/span><br \/>\n    all_transformations <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><br \/>\n    confidence_scores <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><\/p>\n<p>    <span class=\"token keyword\">for<\/span> detection_img <span class=\"token keyword\">in<\/span> detection_images<span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token keyword\">try<\/span><span class=\"token punctuation\">:<\/span><br \/>\n            result_img<span class=\"token punctuation\">,<\/span> homography <span class=\"token operator\">&#061;<\/span> self<span class=\"token punctuation\">.<\/span>process_detection_mapping<span class=\"token punctuation\">(<\/span><br \/>\n                template_img<span class=\"token punctuation\">,<\/span> detection_img<span class=\"token punctuation\">,<\/span> template_boxes<br \/>\n            <span class=\"token punctuation\">)<\/span><\/p>\n<p>            <span class=\"token comment\"># \u8ba1\u7b97\u53d8\u6362\u7f6e\u4fe1\u5ea6<\/span><br \/>\n            confidence <span class=\"token operator\">&#061;<\/span> self<span class=\"token punctuation\">.<\/span>calculate_transformation_confidence<span class=\"token punctuation\">(<\/span>homography<span class=\"token punctuation\">)<\/span><br \/>\n            all_transformations<span class=\"token punctuation\">.<\/span>append<span class=\"token punctuation\">(<\/span>homography<span class=\"token punctuation\">)<\/span><br \/>\n            confidence_scores<span class=\"token punctuation\">.<\/span>append<span class=\"token punctuation\">(<\/span>confidence<span class=\"token punctuation\">)<\/span><\/p>\n<p>        <span class=\"token keyword\">except<\/span> Exception<span class=\"token punctuation\">:<\/span><br \/>\n            <span class=\"token keyword\">continue<\/span><\/p>\n<p>    <span class=\"token comment\"># \u52a0\u6743\u5e73\u5747\u878d\u5408<\/span><br \/>\n    weights <span class=\"token operator\">&#061;<\/span> np<span class=\"token punctuation\">.<\/span>array<span class=\"token punctuation\">(<\/span>confidence_scores<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">\/<\/span> np<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">sum<\/span><span class=\"token punctuation\">(<\/span>confidence_scores<span class=\"token punctuation\">)<\/span><br \/>\n    fused_homography <span class=\"token operator\">&#061;<\/span> np<span class=\"token punctuation\">.<\/span>average<span class=\"token punctuation\">(<\/span>all_transformations<span class=\"token punctuation\">,<\/span> axis<span class=\"token operator\">&#061;<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> weights<span class=\"token operator\">&#061;<\/span>weights<span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token string\">&#034;homography&#034;<\/span><span class=\"token punctuation\">:<\/span> fused_homography<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;confidence&#034;<\/span><span class=\"token punctuation\">:<\/span> np<span class=\"token punctuation\">.<\/span>mean<span class=\"token punctuation\">(<\/span>confidence_scores<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">}<\/span><\/p>\n<h5>2. \u5b9e\u65f6\u6027\u80fd\u4f18\u5316<\/h5>\n<h6>\u7279\u5f81\u70b9\u7f13\u5b58\u673a\u5236&#xff1a;<\/h6>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">CachedFeatureDetector<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token keyword\">def<\/span> <span class=\"token function\">__init__<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> cache_size<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">int<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">100<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>feature_cache <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>cache_size <span class=\"token operator\">&#061;<\/span> cache_size<\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">get_features_with_cache<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> image_hash<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">,<\/span> image<span class=\"token punctuation\">:<\/span> np<span class=\"token punctuation\">.<\/span>ndarray<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> image_hash <span class=\"token keyword\">in<\/span> self<span class=\"token punctuation\">.<\/span>feature_cache<span class=\"token punctuation\">:<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> self<span class=\"token punctuation\">.<\/span>feature_cache<span class=\"token punctuation\">[<\/span>image_hash<span class=\"token punctuation\">]<\/span><\/p>\n<p>        features <span class=\"token operator\">&#061;<\/span> self<span class=\"token punctuation\">.<\/span>sift<span class=\"token punctuation\">.<\/span>detectAndCompute<span class=\"token punctuation\">(<\/span>image<span class=\"token punctuation\">,<\/span> <span class=\"token boolean\">None<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>        <span class=\"token keyword\">if<\/span> <span class=\"token builtin\">len<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">.<\/span>feature_cache<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&gt;&#061;<\/span> self<span class=\"token punctuation\">.<\/span>cache_size<span class=\"token punctuation\">:<\/span><br \/>\n            <span class=\"token comment\"># LRU\u7f13\u5b58\u6e05\u7406<\/span><br \/>\n            oldest_key <span class=\"token operator\">&#061;<\/span> <span class=\"token builtin\">next<\/span><span class=\"token punctuation\">(<\/span><span class=\"token builtin\">iter<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">.<\/span>feature_cache<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token keyword\">del<\/span> self<span class=\"token punctuation\">.<\/span>feature_cache<span class=\"token punctuation\">[<\/span>oldest_key<span class=\"token punctuation\">]<\/span><\/p>\n<p>        self<span class=\"token punctuation\">.<\/span>feature_cache<span class=\"token punctuation\">[<\/span>image_hash<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> features<br \/>\n        <span class=\"token keyword\">return<\/span> features<\/p>\n<h6>ROI\u611f\u5174\u8da3\u533a\u57df\u4f18\u5316&#xff1a;<\/h6>\n<p><span class=\"token keyword\">def<\/span> <span class=\"token function\">roi_based_matching<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> template_img<span class=\"token punctuation\">:<\/span> np<span class=\"token punctuation\">.<\/span>ndarray<span class=\"token punctuation\">,<\/span><br \/>\n                      detection_img<span class=\"token punctuation\">:<\/span> np<span class=\"token punctuation\">.<\/span>ndarray<span class=\"token punctuation\">,<\/span><br \/>\n                      expected_regions<span class=\"token punctuation\">:<\/span> List<span class=\"token punctuation\">[<\/span>Tuple<span class=\"token punctuation\">[<\/span><span class=\"token builtin\">int<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token builtin\">int<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token builtin\">int<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token builtin\">int<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> np<span class=\"token punctuation\">.<\/span>ndarray<span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token triple-quoted-string string\">&#034;&#034;&#034;<br \/>\n    \u57fa\u4e8eROI\u7684\u5c40\u90e8\u7279\u5f81\u5339\u914d<br \/>\n    &#034;&#034;&#034;<\/span><br \/>\n    best_homography <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">None<\/span><br \/>\n    max_matches <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><\/p>\n<p>    <span class=\"token keyword\">for<\/span> roi <span class=\"token keyword\">in<\/span> expected_regions<span class=\"token punctuation\">:<\/span><br \/>\n        x<span class=\"token punctuation\">,<\/span> y<span class=\"token punctuation\">,<\/span> w<span class=\"token punctuation\">,<\/span> h <span class=\"token operator\">&#061;<\/span> roi<br \/>\n        roi_detection <span class=\"token operator\">&#061;<\/span> detection_img<span class=\"token punctuation\">[<\/span>y<span class=\"token punctuation\">:<\/span>y<span class=\"token operator\">&#043;<\/span>h<span class=\"token punctuation\">,<\/span> x<span class=\"token punctuation\">:<\/span>x<span class=\"token operator\">&#043;<\/span>w<span class=\"token punctuation\">]<\/span><\/p>\n<p>        <span class=\"token keyword\">try<\/span><span class=\"token punctuation\">:<\/span><br \/>\n            src_pts<span class=\"token punctuation\">,<\/span> dst_pts <span class=\"token operator\">&#061;<\/span> self<span class=\"token punctuation\">.<\/span>extract_and_match_features<span class=\"token punctuation\">(<\/span>template_img<span class=\"token punctuation\">,<\/span> roi_detection<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token comment\"># \u8c03\u6574\u5750\u6807\u5230\u5168\u56fe\u5750\u6807\u7cfb<\/span><br \/>\n            dst_pts<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">:<\/span><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 operator\">&#043;&#061;<\/span> x<br \/>\n            dst_pts<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">:<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">:<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#043;&#061;<\/span> y<\/p>\n<p>            <span class=\"token keyword\">if<\/span> <span class=\"token builtin\">len<\/span><span class=\"token punctuation\">(<\/span>src_pts<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&gt;<\/span> max_matches<span class=\"token punctuation\">:<\/span><br \/>\n                max_matches <span class=\"token operator\">&#061;<\/span> <span class=\"token builtin\">len<\/span><span class=\"token punctuation\">(<\/span>src_pts<span class=\"token punctuation\">)<\/span><br \/>\n                homography <span class=\"token operator\">&#061;<\/span> self<span class=\"token punctuation\">.<\/span>calculate_homography_matrix<span class=\"token punctuation\">(<\/span>src_pts<span class=\"token punctuation\">,<\/span> dst_pts<span class=\"token punctuation\">)<\/span><br \/>\n                best_homography <span class=\"token operator\">&#061;<\/span> homography<\/p>\n<p>        <span class=\"token keyword\">except<\/span> Exception<span class=\"token punctuation\">:<\/span><br \/>\n            <span class=\"token keyword\">continue<\/span><\/p>\n<p>    <span class=\"token keyword\">return<\/span> best_homography<\/p>\n<h4>\u2705\ufe0f\u95ee\u9898\u9884\u6d4b<\/h4>\n<h5>1. \u6f5c\u5728\u95ee\u9898\u53ca\u9884\u9632\u63aa\u65bd<\/h5>\n<h6>\u5149\u7167\u53d8\u5316\u654f\u611f\u6027&#xff1a;<\/h6>\n<ul>\n<li>\u95ee\u9898&#xff1a;\u4e0d\u540c\u5149\u7167\u6761\u4ef6\u4e0bSIFT\u7279\u5f81\u5339\u914d\u53ef\u80fd\u5931\u6548<\/li>\n<li>\u89e3\u51b3\u65b9\u6848&#xff1a;\u4f7f\u7528\u5149\u7167\u4e0d\u53d8\u7279\u5f81\u63cf\u8ff0\u7b26&#xff08;\u5982ORB\u3001AKAZE&#xff09;\u6216\u56fe\u50cf\u9884\u5904\u7406<\/li>\n<\/ul>\n<p><span class=\"token keyword\">def<\/span> <span class=\"token function\">illumination_robust_preprocessing<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> image<span class=\"token punctuation\">:<\/span> np<span class=\"token punctuation\">.<\/span>ndarray<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> np<span class=\"token punctuation\">.<\/span>ndarray<span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token triple-quoted-string string\">&#034;&#034;&#034;<br \/>\n    \u5149\u7167\u9c81\u68d2\u6027\u9884\u5904\u7406<br \/>\n    &#034;&#034;&#034;<\/span><br \/>\n    <span class=\"token comment\"># CLAHE\u76f4\u65b9\u56fe\u5747\u8861\u5316<\/span><br \/>\n    clahe <span class=\"token operator\">&#061;<\/span> cv2<span class=\"token punctuation\">.<\/span>createCLAHE<span class=\"token punctuation\">(<\/span>clipLimit<span class=\"token operator\">&#061;<\/span><span class=\"token number\">3.0<\/span><span class=\"token punctuation\">,<\/span> tileGridSize<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><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token builtin\">len<\/span><span class=\"token punctuation\">(<\/span>image<span class=\"token punctuation\">.<\/span>shape<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        lab <span class=\"token operator\">&#061;<\/span> cv2<span class=\"token punctuation\">.<\/span>cvtColor<span class=\"token punctuation\">(<\/span>image<span class=\"token punctuation\">,<\/span> cv2<span class=\"token punctuation\">.<\/span>COLOR_BGR2LAB<span class=\"token punctuation\">)<\/span><br \/>\n        lab<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">:<\/span><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 operator\">&#061;<\/span> clahe<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">apply<\/span><span class=\"token punctuation\">(<\/span>lab<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">:<\/span><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 punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> cv2<span class=\"token punctuation\">.<\/span>cvtColor<span class=\"token punctuation\">(<\/span>lab<span class=\"token punctuation\">,<\/span> cv2<span class=\"token punctuation\">.<\/span>COLOR_LAB2BGR<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">else<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> clahe<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">apply<\/span><span class=\"token punctuation\">(<\/span>image<span class=\"token punctuation\">)<\/span><\/p>\n<h6>\u51e0\u4f55\u7578\u53d8\u5904\u7406&#xff1a;<\/h6>\n<p><span class=\"token keyword\">def<\/span> <span class=\"token function\">handle_perspective_distortion<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> homography<span class=\"token punctuation\">:<\/span> np<span class=\"token punctuation\">.<\/span>ndarray<span class=\"token punctuation\">,<\/span><br \/>\n                                image_shape<span class=\"token punctuation\">:<\/span> Tuple<span class=\"token punctuation\">[<\/span><span class=\"token builtin\">int<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token builtin\">int<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token builtin\">bool<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token triple-quoted-string string\">&#034;&#034;&#034;<br \/>\n    \u68c0\u6d4b\u548c\u5904\u7406\u900f\u89c6\u7578\u53d8<br \/>\n    &#034;&#034;&#034;<\/span><br \/>\n    <span class=\"token comment\"># \u8ba1\u7b97\u56fe\u50cf\u56db\u89d2\u7684\u53d8\u6362<\/span><br \/>\n    h<span class=\"token punctuation\">,<\/span> w <span class=\"token operator\">&#061;<\/span> image_shape<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">:<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">]<\/span><br \/>\n    corners <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><span class=\"token number\">0<\/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 punctuation\">[<\/span>w<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">[<\/span>w<span class=\"token punctuation\">,<\/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> h<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span> dtype<span class=\"token operator\">&#061;<\/span>np<span class=\"token punctuation\">.<\/span>float32<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>reshape<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 number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    transformed_corners <span class=\"token operator\">&#061;<\/span> cv2<span class=\"token punctuation\">.<\/span>perspectiveTransform<span class=\"token punctuation\">(<\/span>corners<span class=\"token punctuation\">,<\/span> homography<span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token comment\"># \u68c0\u67e5\u53d8\u6362\u540e\u7684\u5f62\u72b6\u662f\u5426\u5408\u7406<\/span><br \/>\n    area_original <span class=\"token operator\">&#061;<\/span> w <span class=\"token operator\">*<\/span> h<br \/>\n    area_transformed <span class=\"token operator\">&#061;<\/span> cv2<span class=\"token punctuation\">.<\/span>contourArea<span class=\"token punctuation\">(<\/span>transformed_corners<span class=\"token punctuation\">)<\/span><\/p>\n<p>    ratio <span class=\"token operator\">&#061;<\/span> area_transformed <span class=\"token operator\">\/<\/span> area_original<br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token number\">0.1<\/span> <span class=\"token operator\">&lt;<\/span> ratio <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">10.0<\/span>  <span class=\"token comment\"># \u9762\u79ef\u53d8\u5316\u5728\u5408\u7406\u8303\u56f4\u5185<\/span><\/p>\n<h5>2. \u6269\u5c55\u5e94\u7528\u573a\u666f<\/h5>\n<h6>\u591a\u76ee\u6807\u7c7b\u522b\u652f\u6301&#xff1a;<\/h6>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">MultiClassDetectionMapper<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token keyword\">def<\/span> <span class=\"token function\">__init__<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> class_configs<span class=\"token punctuation\">:<\/span> Dict<span class=\"token punctuation\">[<\/span><span class=\"token builtin\">str<\/span><span class=\"token punctuation\">,<\/span> Dict<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>class_configs <span class=\"token operator\">&#061;<\/span> class_configs  <span class=\"token comment\"># \u6bcf\u4e2a\u7c7b\u522b\u7684\u7279\u5b9a\u914d\u7f6e<\/span><\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">class_specific_matching<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> class_name<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">,<\/span> template_boxes<span class=\"token punctuation\">:<\/span> List<span class=\"token punctuation\">[<\/span>List<span class=\"token punctuation\">[<\/span><span class=\"token builtin\">int<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token triple-quoted-string string\">&#034;&#034;&#034;<br \/>\n        \u9488\u5bf9\u4e0d\u540c\u76ee\u6807\u7c7b\u522b\u4f7f\u7528\u4e0d\u540c\u7684\u5339\u914d\u7b56\u7565<br \/>\n        &#034;&#034;&#034;<\/span><br \/>\n        config <span class=\"token operator\">&#061;<\/span> self<span class=\"token punctuation\">.<\/span>class_configs<span class=\"token punctuation\">.<\/span>get<span class=\"token punctuation\">(<\/span>class_name<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\"># \u6839\u636e\u76ee\u6807\u7279\u6027\u8c03\u6574\u53c2\u6570<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> class_name <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token string\">&#034;\u786c\u76d8&#034;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n            <span class=\"token comment\"># \u786c\u76d8\u901a\u5e38\u6709\u660e\u663e\u7684\u8fb9\u7f18\u7279\u5f81<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> self<span class=\"token punctuation\">.<\/span>edge_enhanced_matching<span class=\"token punctuation\">(<\/span>template_boxes<span class=\"token punctuation\">,<\/span> config<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">elif<\/span> class_name <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token string\">&#034;\u7535\u8bdd\u5361&#034;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n            <span class=\"token comment\"># \u7535\u8bdd\u5361\u53ef\u80fd\u9700\u8981\u66f4\u7cbe\u7ec6\u7684\u7279\u5f81\u5339\u914d<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> self<span class=\"token punctuation\">.<\/span>fine_grain_matching<span class=\"token punctuation\">(<\/span>template_boxes<span class=\"token punctuation\">,<\/span> config<span class=\"token punctuation\">)<\/span><\/p>\n<h6>\u5b9e\u65f6\u89c6\u9891\u6d41\u5904\u7406&#xff1a;<\/h6>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">RealTimeDetectionMapper<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token keyword\">def<\/span> <span class=\"token function\">__init__<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>frame_buffer <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>tracking_state <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">process_video_stream<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> video_source<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token triple-quoted-string string\">&#034;&#034;&#034;<br \/>\n        \u5b9e\u65f6\u89c6\u9891\u6d41\u5904\u7406<br \/>\n        &#034;&#034;&#034;<\/span><br \/>\n        cap <span class=\"token operator\">&#061;<\/span> cv2<span class=\"token punctuation\">.<\/span>VideoCapture<span class=\"token punctuation\">(<\/span>video_source<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            ret<span class=\"token punctuation\">,<\/span> frame <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> <span class=\"token keyword\">not<\/span> ret<span class=\"token punctuation\">:<\/span><br \/>\n                <span class=\"token keyword\">break<\/span><\/p>\n<p>            <span class=\"token comment\"># \u4f7f\u7528\u5361\u5c14\u66fc\u6ee4\u6ce2\u8fdb\u884c\u8fd0\u52a8\u9884\u6d4b<\/span><br \/>\n            predicted_boxes <span class=\"token operator\">&#061;<\/span> self<span class=\"token punctuation\">.<\/span>predict_box_positions<span class=\"token punctuation\">(<\/span>frame<span class=\"token punctuation\">)<\/span><\/p>\n<p>            <span class=\"token comment\"># \u4ec5\u5728\u5fc5\u8981\u65f6\u8fdb\u884c\u5b8c\u6574\u7684\u7279\u5f81\u5339\u914d<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> self<span class=\"token punctuation\">.<\/span>should_full_detection<span class=\"token punctuation\">(<\/span>frame<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n                detected_boxes <span class=\"token operator\">&#061;<\/span> self<span class=\"token punctuation\">.<\/span>full_detection_pipeline<span class=\"token punctuation\">(<\/span>frame<span class=\"token punctuation\">)<\/span><br \/>\n                self<span class=\"token punctuation\">.<\/span>update_tracking_state<span class=\"token punctuation\">(<\/span>detected_boxes<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token keyword\">else<\/span><span class=\"token punctuation\">:<\/span><br \/>\n                detected_boxes <span class=\"token operator\">&#061;<\/span> predicted_boxes<\/p>\n<p>            <span class=\"token comment\"># \u7ed8\u5236\u7ed3\u679c<\/span><br \/>\n            result_frame <span class=\"token operator\">&#061;<\/span> self<span class=\"token punctuation\">.<\/span>draw_boxes<span class=\"token punctuation\">(<\/span>frame<span class=\"token punctuation\">,<\/span> detected_boxes<span class=\"token punctuation\">)<\/span><br \/>\n            cv2<span class=\"token punctuation\">.<\/span>imshow<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Real-time Detection&#034;<\/span><span class=\"token punctuation\">,<\/span> result_frame<span class=\"token punctuation\">)<\/span><\/p>\n<p>            <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\">&amp;<\/span> <span class=\"token number\">0xFF<\/span> <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token builtin\">ord<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;q&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n                <span class=\"token keyword\">break<\/span><\/p>\n<p>        cap<span class=\"token punctuation\">.<\/span>release<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        cv2<span class=\"token punctuation\">.<\/span>destroyAllWindows<span class=\"token punctuation\">(<\/span><span class=\"token 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