{"id":54160,"date":"2025-08-12T22:59:57","date_gmt":"2025-08-12T14:59:57","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/54160.html"},"modified":"2025-08-12T22:59:57","modified_gmt":"2025-08-12T14:59:57","slug":"%e3%80%90%e5%9b%be%e5%83%8f%e7%ae%97%e6%b3%95-13%e3%80%91%e5%9f%ba%e4%ba%8e-yolo12-%e4%b8%8e-opencv-%e7%9a%84%e5%ae%9e%e6%97%b6%e7%9b%ae%e6%a0%87%e7%82%b9%e5%87%bb%e8%b7%9f%e8%b8%aa%e7%b3%bb","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/54160.html","title":{"rendered":"\u3010\u56fe\u50cf\u7b97\u6cd5 - 13\u3011\u57fa\u4e8e YOLO12 \u4e0e OpenCV \u7684\u5b9e\u65f6\u76ee\u6807\u70b9\u51fb\u8ddf\u8e2a\u7cfb\u7edf\uff08\u7cfb\u7edf\u4ecb\u7ecd + \u6e90\u7801\u8be6\u7ec6\uff09"},"content":{"rendered":"<h2>\u57fa\u4e8e YOLO12 \u4e0e OpenCV \u7684\u5b9e\u65f6\u70b9\u51fb\u76ee\u6807\u8ddf\u8e2a\u7cfb\u7edf<\/h2>\n<p>\u5728\u8ba1\u7b97\u673a\u89c6\u89c9\u9886\u57df&#xff0c;\u76ee\u6807\u68c0\u6d4b\u4e0e\u8ddf\u8e2a\u662f\u4e24\u4e2a\u6838\u5fc3\u4efb\u52a1\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u4e00\u4e2a\u7ed3\u5408 YOLO \u76ee\u6807\u68c0\u6d4b\u6a21\u578b\u4e0e OpenCV \u8ddf\u8e2a\u7b97\u6cd5\u7684\u5b9e\u65f6\u76ee\u6807\u8ddf\u8e2a\u7cfb\u7edf&#xff0c;\u8be5\u7cfb\u7edf\u5141\u8bb8\u7528\u6237\u901a\u8fc7\u9f20\u6807\u4ea4\u4e92\u9009\u62e9\u7279\u5b9a\u76ee\u6807\u8fdb\u884c\u6301\u7eed\u8ddf\u8e2a&#xff0c;\u652f\u6301\u591a\u79cd\u8ddf\u8e2a\u7b97\u6cd5\u5207\u6362&#xff0c;\u9002\u7528\u4e8e\u89c6\u9891\u76d1\u63a7\u3001\u884c\u4e3a\u5206\u6790\u7b49\u573a\u666f\u3002<\/p>\n<\/p>\n<p>\u3010\u56fe\u50cf\u7b97\u6cd5 &#8211; 13\u3011\u57fa\u4e8e YOLO12 \u4e0e OpenCV \u7684\u5b9e\u65f6\u76ee\u6807\u70b9\u51fb\u8ddf\u8e2a\u7cfb\u7edf<\/p>\n<\/p>\n<h3>\u7cfb\u7edf\u529f\u80fd\u6982\u8ff0<\/h3>\n<p>\u8be5\u7cfb\u7edf\u4e3b\u8981\u5b9e\u73b0\u4ee5\u4e0b\u529f\u80fd&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u4f7f\u7528 YOLO \u6a21\u578b\u5bf9\u89c6\u9891\u5e27\u8fdb\u884c\u76ee\u6807\u68c0\u6d4b&#xff0c;\u8bc6\u522b\u51fa\u753b\u9762\u4e2d\u7684\u5404\u7c7b\u7269\u4f53<\/p>\n<\/li>\n<li>\n<p>\u652f\u6301\u7528\u6237\u901a\u8fc7\u5de6\u952e\u70b9\u51fb\u9009\u62e9\u7279\u5b9a\u76ee\u6807\u8fdb\u884c\u8ddf\u8e2a<\/p>\n<\/li>\n<li>\n<p>\u63d0\u4f9b MOSSE\u3001CSRT\u3001KCF \u4e09\u79cd\u7ecf\u5178\u8ddf\u8e2a\u7b97\u6cd5\u4f9b\u9009\u62e9<\/p>\n<\/li>\n<li>\n<p>\u5b9e\u65f6\u663e\u793a\u8ddf\u8e2a\u72b6\u6001\u3001\u76ee\u6807\u7c7b\u522b\u53ca FPS \u7b49\u4fe1\u606f<\/p>\n<\/li>\n<li>\n<p>\u652f\u6301\u53f3\u952e\u70b9\u51fb\u505c\u6b62\u8ddf\u8e2a&#xff0c;\u56de\u5230\u76ee\u6807\u68c0\u6d4b\u6a21\u5f0f<\/p>\n<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/08\/20250812145953-689b56e9f1e91.png\" alt=\"\u70b9\u51fb\u8ddf\u8e2a\" \/><\/p>\n<h3>\u6280\u672f\u539f\u7406<\/h3>\n<p>\u7cfb\u7edf\u91c7\u7528 \u201c\u68c0\u6d4b &#043; \u8ddf\u8e2a\u201d \u7684\u6df7\u5408\u67b6\u6784&#xff1a;<\/p>\n<li>\u9996\u5148\u5229\u7528 YOLO \u6a21\u578b\u8fdb\u884c\u76ee\u6807\u68c0\u6d4b&#xff0c;\u83b7\u53d6\u753b\u9762\u4e2d\u6240\u6709\u76ee\u6807\u7684\u8fb9\u754c\u6846\u548c\u7c7b\u522b\u4fe1\u606f<\/li>\n<li>\u5f53\u7528\u6237\u9009\u62e9\u7279\u5b9a\u76ee\u6807\u540e&#xff0c;\u542f\u52a8\u9009\u5b9a\u7684\u8ddf\u8e2a\u7b97\u6cd5\u5bf9\u8be5\u76ee\u6807\u8fdb\u884c\u6301\u7eed\u8ddf\u8e2a<\/li>\n<li>\u8ddf\u8e2a\u8fc7\u7a0b\u4e2d\u5b9e\u65f6\u66f4\u65b0\u76ee\u6807\u4f4d\u7f6e&#xff0c;\u82e5\u8ddf\u8e2a\u5931\u8d25\u5219\u63d0\u793a \u201cLost\u201d<\/li>\n<li>\u6574\u4e2a\u8fc7\u7a0b\u901a\u8fc7\u53ef\u89c6\u5316\u754c\u9762\u5c55\u793a&#xff0c;\u652f\u6301\u7528\u6237\u4ea4\u4e92\u64cd\u4f5c<\/li>\n<p>\u8fd9\u79cd\u67b6\u6784\u7ed3\u5408\u4e86 YOLO \u68c0\u6d4b\u7cbe\u5ea6\u9ad8\u548c\u4f20\u7edf\u8ddf\u8e2a\u7b97\u6cd5\u901f\u5ea6\u5feb\u7684\u4f18\u70b9&#xff0c;\u5728\u4fdd\u8bc1\u4e00\u5b9a\u7cbe\u5ea6\u7684\u540c\u65f6\u517c\u987e\u4e86\u5b9e\u65f6\u6027\u3002<\/p>\n<h3>\u4ee3\u7801\u89e3\u6790<\/h3>\n<h4>\u6838\u5fc3\u4f9d\u8d56\u5e93<\/h4>\n<p><span class=\"token keyword\">import<\/span> cv2          <span class=\"token comment\"># \u7528\u4e8e\u89c6\u9891\u5904\u7406\u548c\u8ddf\u8e2a\u7b97\u6cd5<\/span><br \/>\n<span class=\"token keyword\">import<\/span> numpy <span class=\"token keyword\">as<\/span> np  <span class=\"token comment\"># \u7528\u4e8e\u6570\u503c\u8ba1\u7b97<\/span><br \/>\n<span class=\"token keyword\">import<\/span> argparse     <span class=\"token comment\"># \u7528\u4e8e\u547d\u4ee4\u884c\u53c2\u6570\u89e3\u6790<\/span><br \/>\n<span class=\"token keyword\">from<\/span> ultralytics <span class=\"token keyword\">import<\/span> YOLO  <span class=\"token comment\"># \u7528\u4e8eYOLO\u76ee\u6807\u68c0\u6d4b<\/span><\/p>\n<h4>\u5168\u5c40\u53d8\u91cf\u4e0e\u4ea4\u4e92\u8bbe\u8ba1<\/h4>\n<p>\u5b9a\u4e49\u5168\u5c40\u53d8\u91cf\u5b58\u50a8\u8ddf\u8e2a\u72b6\u6001\u548c\u7528\u6237\u4ea4\u4e92\u4fe1\u606f&#xff1a;<\/p>\n<p>selected_box <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">None<\/span>  <span class=\"token comment\"># \u9009\u4e2d\u7684\u76ee\u6807\u8fb9\u754c\u6846<\/span><br \/>\ntracking <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">False<\/span>     <span class=\"token comment\"># \u8ddf\u8e2a\u72b6\u6001\u6807\u5fd7<\/span><br \/>\ntarget_class <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">None<\/span>  <span class=\"token comment\"># \u76ee\u6807\u7c7b\u522b<\/span><br \/>\nclick_x<span class=\"token punctuation\">,<\/span> click_y <span class=\"token operator\">&#061;<\/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 comment\"># \u9f20\u6807\u70b9\u51fb\u5750\u6807<\/span><br \/>\nmouse_clicked <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">False<\/span>      <span class=\"token comment\"># \u9f20\u6807\u70b9\u51fb\u6807\u5fd7<\/span><br \/>\ndebug <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">False<\/span>              <span class=\"token comment\"># \u8c03\u8bd5\u6a21\u5f0f\u6807\u5fd7<\/span><\/p>\n<p>\u9f20\u6807\u56de\u8c03\u51fd\u6570\u5904\u7406\u7528\u6237\u4ea4\u4e92&#xff1a;<\/p>\n<p><span class=\"token keyword\">def<\/span> <span class=\"token function\">mouse_callback<\/span><span class=\"token punctuation\">(<\/span>event<span class=\"token punctuation\">,<\/span> x<span class=\"token punctuation\">,<\/span> y<span class=\"token punctuation\">,<\/span> flags<span class=\"token punctuation\">,<\/span> param<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token keyword\">global<\/span> click_x<span class=\"token punctuation\">,<\/span> click_y<span class=\"token punctuation\">,<\/span> mouse_clicked<span class=\"token punctuation\">,<\/span> tracking<br \/>\n    <span class=\"token keyword\">if<\/span> event <span class=\"token operator\">&#061;&#061;<\/span> cv2<span class=\"token punctuation\">.<\/span>EVENT_LBUTTONDOWN<span class=\"token punctuation\">:<\/span>  <span class=\"token comment\"># \u5de6\u952e\u70b9\u51fb\u9009\u62e9\u76ee\u6807<\/span><br \/>\n        click_x<span class=\"token punctuation\">,<\/span> click_y <span class=\"token operator\">&#061;<\/span> x<span class=\"token punctuation\">,<\/span> y<br \/>\n        mouse_clicked <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">True<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> debug<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;Left click at: (<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>x<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">, <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>y<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">)&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">elif<\/span> event <span class=\"token operator\">&#061;&#061;<\/span> cv2<span class=\"token punctuation\">.<\/span>EVENT_RBUTTONDOWN<span class=\"token punctuation\">:<\/span>  <span class=\"token comment\"># \u53f3\u952e\u70b9\u51fb\u505c\u6b62\u8ddf\u8e2a<\/span><br \/>\n        tracking <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">False<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> debug<span class=\"token punctuation\">:<\/span><br \/>\n            <span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Tracking stopped&#034;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<h4>\u8ddf\u8e2a\u5668\u521b\u5efa<\/h4>\n<p>\u9488\u5bf9\u4e0d\u540c\u7684\u8ddf\u8e2a\u7b97\u6cd5&#xff0c;\u521b\u5efa\u5bf9\u5e94\u7684\u8ddf\u8e2a\u5668\u5b9e\u4f8b&#xff08;\u6ce8\u610f OpenCV \u65b0\u7248\u672c\u4e2d\u8ddf\u8e2a\u5668\u4f4d\u4e8e legacy \u6a21\u5757&#xff09;&#xff1a;<\/p>\n<p><span class=\"token keyword\">def<\/span> <span class=\"token function\">create_tracker<\/span><span class=\"token punctuation\">(<\/span>tracker_type<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token triple-quoted-string string\">&#034;&#034;&#034;\u4f7f\u7528cv2.legacy\u6a21\u5757\u521b\u5efa\u8ddf\u8e2a\u5668&#xff0c;\u517c\u5bb9\u65b0\u7248OpenCV&#034;&#034;&#034;<\/span><br \/>\n    <span class=\"token keyword\">try<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> tracker_type <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token string\">&#034;mosse&#034;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> cv2<span class=\"token punctuation\">.<\/span>legacy<span class=\"token punctuation\">.<\/span>TrackerMOSSE_create<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">elif<\/span> tracker_type <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token string\">&#034;csrt&#034;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> cv2<span class=\"token punctuation\">.<\/span>legacy<span class=\"token punctuation\">.<\/span>TrackerCSRT_create<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">elif<\/span> tracker_type <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token string\">&#034;kcf&#034;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> cv2<span class=\"token punctuation\">.<\/span>legacy<span class=\"token punctuation\">.<\/span>TrackerKCF_create<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            <span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-interpolation\"><span class=\"token string\">f&#034;Unsupported tracker: <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>tracker_type<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">, using MOSSE&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> cv2<span class=\"token punctuation\">.<\/span>legacy<span class=\"token punctuation\">.<\/span>TrackerMOSSE_create<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">except<\/span> AttributeError <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;Failed to create tracker: <\/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\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Please check OpenCV installation (must include opencv-contrib-python)&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">None<\/span><\/p>\n<h5>OpenCV \u8ddf\u8e2ademo\u6e90\u7801<\/h5>\n<p><span class=\"token comment\">#!\/usr\/bin\/env python<\/span><br \/>\n<span class=\"token triple-quoted-string string\">&#039;&#039;&#039;<br \/>\nTracker demo<\/p>\n<p>For usage download models by following links<br \/>\nFor GOTURN:<br \/>\n    goturn.prototxt and goturn.caffemodel: https:\/\/github.com\/opencv\/opencv_extra\/tree\/c4219d5eb3105ed8e634278fad312a1a8d2c182d\/testdata\/tracking<br \/>\nFor DaSiamRPN:<br \/>\n    network:     https:\/\/www.dropbox.com\/s\/rr1lk9355vzolqv\/dasiamrpn_model.onnx?dl&#061;0<br \/>\n    kernel_r1:   https:\/\/www.dropbox.com\/s\/999cqx5zrfi7w4p\/dasiamrpn_kernel_r1.onnx?dl&#061;0<br \/>\n    kernel_cls1: https:\/\/www.dropbox.com\/s\/qvmtszx5h339a0w\/dasiamrpn_kernel_cls1.onnx?dl&#061;0<br \/>\nFor NanoTrack:<br \/>\n    nanotrack_backbone: https:\/\/github.com\/HonglinChu\/SiamTrackers\/blob\/master\/NanoTrack\/models\/nanotrackv2\/nanotrack_backbone_sim.onnx<br \/>\n    nanotrack_headneck: https:\/\/github.com\/HonglinChu\/SiamTrackers\/blob\/master\/NanoTrack\/models\/nanotrackv2\/nanotrack_head_sim.onnx<\/p>\n<p>USAGE:<br \/>\n    tracker.py [-h] [&#8211;input INPUT_VIDEO]<br \/>\n                    [&#8211;tracker_algo TRACKER_ALGO (mil, goturn, dasiamrpn, nanotrack, vittrack)]<br \/>\n                    [&#8211;goturn GOTURN_PROTOTXT]<br \/>\n                    [&#8211;goturn_model GOTURN_MODEL]<br \/>\n                    [&#8211;dasiamrpn_net DASIAMRPN_NET]<br \/>\n                    [&#8211;dasiamrpn_kernel_r1 DASIAMRPN_KERNEL_R1]<br \/>\n                    [&#8211;dasiamrpn_kernel_cls1 DASIAMRPN_KERNEL_CLS1]<br \/>\n                    [&#8211;nanotrack_backbone NANOTRACK_BACKBONE]<br \/>\n                    [&#8211;nanotrack_headneck NANOTRACK_TARGET]<br \/>\n                    [&#8211;vittrack_net VITTRACK_MODEL]<br \/>\n                    [&#8211;vittrack_net VITTRACK_MODEL]<br \/>\n                    [&#8211;tracking_score_threshold TRACKING SCORE THRESHOLD FOR ONLY VITTRACK]<br \/>\n                    [&#8211;backend CHOOSE ONE OF COMPUTATION BACKEND]<br \/>\n                    [&#8211;target CHOOSE ONE OF COMPUTATION TARGET]<br \/>\n&#039;&#039;&#039;<\/span><\/p>\n<p><span class=\"token comment\"># Python 2\/3 compatibility<\/span><br \/>\n<span class=\"token keyword\">from<\/span> __future__ <span class=\"token keyword\">import<\/span> print_function<\/p>\n<p><span class=\"token keyword\">import<\/span> sys<\/p>\n<p><span class=\"token keyword\">import<\/span> numpy <span class=\"token keyword\">as<\/span> np<br \/>\n<span class=\"token keyword\">import<\/span> cv2 <span class=\"token keyword\">as<\/span> cv<br \/>\n<span class=\"token keyword\">import<\/span> argparse<\/p>\n<p><span class=\"token keyword\">from<\/span> video <span class=\"token keyword\">import<\/span> create_capture<span class=\"token punctuation\">,<\/span> presets<\/p>\n<p>backends <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>cv<span class=\"token punctuation\">.<\/span>dnn<span class=\"token punctuation\">.<\/span>DNN_BACKEND_DEFAULT<span class=\"token punctuation\">,<\/span> cv<span class=\"token punctuation\">.<\/span>dnn<span class=\"token punctuation\">.<\/span>DNN_BACKEND_HALIDE<span class=\"token punctuation\">,<\/span> cv<span class=\"token punctuation\">.<\/span>dnn<span class=\"token punctuation\">.<\/span>DNN_BACKEND_INFERENCE_ENGINE<span class=\"token punctuation\">,<\/span> cv<span class=\"token punctuation\">.<\/span>dnn<span class=\"token punctuation\">.<\/span>DNN_BACKEND_OPENCV<span class=\"token punctuation\">,<\/span><br \/>\n            cv<span class=\"token punctuation\">.<\/span>dnn<span class=\"token punctuation\">.<\/span>DNN_BACKEND_VKCOM<span class=\"token punctuation\">,<\/span> cv<span class=\"token punctuation\">.<\/span>dnn<span class=\"token punctuation\">.<\/span>DNN_BACKEND_CUDA<span class=\"token punctuation\">)<\/span><br \/>\ntargets <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>cv<span class=\"token punctuation\">.<\/span>dnn<span class=\"token punctuation\">.<\/span>DNN_TARGET_CPU<span class=\"token punctuation\">,<\/span> cv<span class=\"token punctuation\">.<\/span>dnn<span class=\"token punctuation\">.<\/span>DNN_TARGET_OPENCL<span class=\"token punctuation\">,<\/span> cv<span class=\"token punctuation\">.<\/span>dnn<span class=\"token punctuation\">.<\/span>DNN_TARGET_OPENCL_FP16<span class=\"token punctuation\">,<\/span> cv<span class=\"token punctuation\">.<\/span>dnn<span class=\"token punctuation\">.<\/span>DNN_TARGET_MYRIAD<span class=\"token punctuation\">,<\/span><br \/>\n           cv<span class=\"token punctuation\">.<\/span>dnn<span class=\"token punctuation\">.<\/span>DNN_TARGET_VULKAN<span class=\"token punctuation\">,<\/span> cv<span class=\"token punctuation\">.<\/span>dnn<span class=\"token punctuation\">.<\/span>DNN_TARGET_CUDA<span class=\"token punctuation\">,<\/span> cv<span class=\"token punctuation\">.<\/span>dnn<span class=\"token punctuation\">.<\/span>DNN_TARGET_CUDA_FP16<span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">App<\/span><span class=\"token punctuation\">(<\/span><span class=\"token builtin\">object<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">__init__<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> args<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>args <span class=\"token operator\">&#061;<\/span> args<br \/>\n        self<span class=\"token punctuation\">.<\/span>trackerAlgorithm <span class=\"token operator\">&#061;<\/span> args<span class=\"token punctuation\">.<\/span>tracker_algo<br \/>\n        self<span class=\"token punctuation\">.<\/span>tracker <span class=\"token operator\">&#061;<\/span> self<span class=\"token punctuation\">.<\/span>createTracker<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">createTracker<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> self<span class=\"token punctuation\">.<\/span>trackerAlgorithm <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token string\">&#039;mil&#039;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n            tracker <span class=\"token operator\">&#061;<\/span> cv<span class=\"token punctuation\">.<\/span>TrackerMIL_create<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">elif<\/span> self<span class=\"token punctuation\">.<\/span>trackerAlgorithm <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token string\">&#039;goturn&#039;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n            params <span class=\"token operator\">&#061;<\/span> cv<span class=\"token punctuation\">.<\/span>TrackerGOTURN_Params<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            params<span class=\"token punctuation\">.<\/span>modelTxt <span class=\"token operator\">&#061;<\/span> self<span class=\"token punctuation\">.<\/span>args<span class=\"token punctuation\">.<\/span>goturn<br \/>\n            params<span class=\"token punctuation\">.<\/span>modelBin <span class=\"token operator\">&#061;<\/span> self<span class=\"token punctuation\">.<\/span>args<span class=\"token punctuation\">.<\/span>goturn_model<br \/>\n            tracker <span class=\"token operator\">&#061;<\/span> cv<span class=\"token punctuation\">.<\/span>TrackerGOTURN_create<span class=\"token punctuation\">(<\/span>params<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">elif<\/span> self<span class=\"token punctuation\">.<\/span>trackerAlgorithm <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token string\">&#039;dasiamrpn&#039;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n            params <span class=\"token operator\">&#061;<\/span> cv<span class=\"token punctuation\">.<\/span>TrackerDaSiamRPN_Params<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            params<span class=\"token punctuation\">.<\/span>model <span class=\"token operator\">&#061;<\/span> self<span class=\"token punctuation\">.<\/span>args<span class=\"token punctuation\">.<\/span>dasiamrpn_net<br \/>\n            params<span class=\"token punctuation\">.<\/span>kernel_cls1 <span class=\"token operator\">&#061;<\/span> self<span class=\"token punctuation\">.<\/span>args<span class=\"token punctuation\">.<\/span>dasiamrpn_kernel_cls1<br \/>\n            params<span class=\"token punctuation\">.<\/span>kernel_r1 <span class=\"token operator\">&#061;<\/span> self<span class=\"token punctuation\">.<\/span>args<span class=\"token punctuation\">.<\/span>dasiamrpn_kernel_r1<br \/>\n            params<span class=\"token punctuation\">.<\/span>backend <span class=\"token operator\">&#061;<\/span> args<span class=\"token punctuation\">.<\/span>backend<br \/>\n            params<span class=\"token punctuation\">.<\/span>target <span class=\"token operator\">&#061;<\/span> args<span class=\"token punctuation\">.<\/span>target<br \/>\n            tracker <span class=\"token operator\">&#061;<\/span> cv<span class=\"token punctuation\">.<\/span>TrackerDaSiamRPN_create<span class=\"token punctuation\">(<\/span>params<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">elif<\/span> self<span class=\"token punctuation\">.<\/span>trackerAlgorithm <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token string\">&#039;nanotrack&#039;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n            params <span class=\"token operator\">&#061;<\/span> cv<span class=\"token punctuation\">.<\/span>TrackerNano_Params<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            params<span class=\"token punctuation\">.<\/span>backbone <span class=\"token operator\">&#061;<\/span> args<span class=\"token punctuation\">.<\/span>nanotrack_backbone<br \/>\n            params<span class=\"token punctuation\">.<\/span>neckhead <span class=\"token operator\">&#061;<\/span> args<span class=\"token punctuation\">.<\/span>nanotrack_headneck<br \/>\n            params<span class=\"token punctuation\">.<\/span>backend <span class=\"token operator\">&#061;<\/span> args<span class=\"token punctuation\">.<\/span>backend<br \/>\n            params<span class=\"token punctuation\">.<\/span>target <span class=\"token operator\">&#061;<\/span> args<span class=\"token punctuation\">.<\/span>target<br \/>\n            tracker <span class=\"token operator\">&#061;<\/span> cv<span class=\"token punctuation\">.<\/span>TrackerNano_create<span class=\"token punctuation\">(<\/span>params<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">elif<\/span> self<span class=\"token punctuation\">.<\/span>trackerAlgorithm <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token string\">&#039;vittrack&#039;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n            params <span class=\"token operator\">&#061;<\/span> cv<span class=\"token punctuation\">.<\/span>TrackerVit_Params<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            params<span class=\"token punctuation\">.<\/span>net <span class=\"token operator\">&#061;<\/span> args<span class=\"token punctuation\">.<\/span>vittrack_net<br \/>\n            params<span class=\"token punctuation\">.<\/span>tracking_score_threshold <span class=\"token operator\">&#061;<\/span> args<span class=\"token punctuation\">.<\/span>tracking_score_threshold<br \/>\n            params<span class=\"token punctuation\">.<\/span>backend <span class=\"token operator\">&#061;<\/span> args<span class=\"token punctuation\">.<\/span>backend<br \/>\n            params<span class=\"token punctuation\">.<\/span>target <span class=\"token operator\">&#061;<\/span> args<span class=\"token punctuation\">.<\/span>target<br \/>\n            tracker <span class=\"token operator\">&#061;<\/span> cv<span class=\"token punctuation\">.<\/span>TrackerVit_create<span class=\"token punctuation\">(<\/span>params<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">else<\/span><span class=\"token punctuation\">:<\/span><br \/>\n            sys<span class=\"token punctuation\">.<\/span>exit<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Tracker {} is not recognized. Please use one of three available: mil, goturn, dasiamrpn, nanotrack.&#034;<\/span><span class=\"token punctuation\">.<\/span><span class=\"token builtin\">format<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">.<\/span>trackerAlgorithm<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> tracker<\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">initializeTracker<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> image<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token keyword\">while<\/span> <span class=\"token boolean\">True<\/span><span class=\"token punctuation\">:<\/span><br \/>\n            <span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;&#061;&#061;&gt; Select object ROI for tracker &#8230;&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            bbox <span class=\"token operator\">&#061;<\/span> cv<span class=\"token punctuation\">.<\/span>selectROI<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;tracking&#039;<\/span><span class=\"token punctuation\">,<\/span> image<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;ROI: {}&#039;<\/span><span class=\"token punctuation\">.<\/span><span class=\"token builtin\">format<\/span><span class=\"token punctuation\">(<\/span>bbox<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> bbox<span class=\"token punctuation\">[<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&lt;&#061;<\/span> <span class=\"token number\">0<\/span> <span class=\"token keyword\">or<\/span> bbox<span class=\"token punctuation\">[<\/span><span class=\"token number\">3<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&lt;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">:<\/span><br \/>\n                sys<span class=\"token punctuation\">.<\/span>exit<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;ROI selection cancelled. Exiting&#8230;&#034;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>            <span class=\"token keyword\">try<\/span><span class=\"token punctuation\">:<\/span><br \/>\n                self<span class=\"token punctuation\">.<\/span>tracker<span class=\"token punctuation\">.<\/span>init<span class=\"token punctuation\">(<\/span>image<span class=\"token punctuation\">,<\/span> bbox<span class=\"token punctuation\">)<\/span><br \/>\n            <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\">&#039;Unable to initialize tracker with requested bounding box. Is there any object?&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span>e<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;Try again &#8230;&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token keyword\">continue<\/span><\/p>\n<p>            <span class=\"token keyword\">return<\/span><\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">run<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        videoPath <span class=\"token operator\">&#061;<\/span> self<span class=\"token punctuation\">.<\/span>args<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">input<\/span><br \/>\n        <span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;Using video: {}&#039;<\/span><span class=\"token punctuation\">.<\/span><span class=\"token builtin\">format<\/span><span class=\"token punctuation\">(<\/span>videoPath<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        camera <span class=\"token operator\">&#061;<\/span> create_capture<span class=\"token punctuation\">(<\/span>cv<span class=\"token punctuation\">.<\/span>samples<span class=\"token punctuation\">.<\/span>findFileOrKeep<span class=\"token punctuation\">(<\/span>videoPath<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> presets<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#039;cube&#039;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token keyword\">not<\/span> camera<span class=\"token punctuation\">.<\/span>isOpened<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n            sys<span class=\"token punctuation\">.<\/span>exit<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Can&#039;t open video stream: {}&#034;<\/span><span class=\"token punctuation\">.<\/span><span class=\"token builtin\">format<\/span><span class=\"token punctuation\">(<\/span>videoPath<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>        ok<span class=\"token punctuation\">,<\/span> image <span class=\"token operator\">&#061;<\/span> camera<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> ok<span class=\"token punctuation\">:<\/span><br \/>\n            sys<span class=\"token punctuation\">.<\/span>exit<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Can&#039;t read first frame&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">assert<\/span> image <span class=\"token keyword\">is<\/span> <span class=\"token keyword\">not<\/span> <span class=\"token boolean\">None<\/span><\/p>\n<p>        cv<span class=\"token punctuation\">.<\/span>namedWindow<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;tracking&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>initializeTracker<span class=\"token punctuation\">(<\/span>image<span class=\"token punctuation\">)<\/span><\/p>\n<p>        <span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;&#061;&#061;&gt; Tracking is started. Press &#039;SPACE&#039; to re-initialize tracker or &#039;ESC&#039; for exit&#8230;&#034;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>        <span class=\"token keyword\">while<\/span> camera<span class=\"token punctuation\">.<\/span>isOpened<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n            ok<span class=\"token punctuation\">,<\/span> image <span class=\"token operator\">&#061;<\/span> camera<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> ok<span class=\"token punctuation\">:<\/span><br \/>\n                <span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Can&#039;t read frame&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token keyword\">break<\/span><\/p>\n<p>            ok<span class=\"token punctuation\">,<\/span> newbox <span class=\"token operator\">&#061;<\/span> self<span class=\"token punctuation\">.<\/span>tracker<span class=\"token punctuation\">.<\/span>update<span class=\"token punctuation\">(<\/span>image<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token comment\">#print(ok, newbox)<\/span><\/p>\n<p>            <span class=\"token keyword\">if<\/span> ok<span class=\"token punctuation\">:<\/span><br \/>\n                cv<span class=\"token punctuation\">.<\/span>rectangle<span class=\"token punctuation\">(<\/span>image<span class=\"token punctuation\">,<\/span> newbox<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token number\">200<\/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><\/p>\n<p>            cv<span class=\"token punctuation\">.<\/span>imshow<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;tracking&#034;<\/span><span class=\"token punctuation\">,<\/span> image<span class=\"token punctuation\">)<\/span><br \/>\n            k <span class=\"token operator\">&#061;<\/span> cv<span class=\"token punctuation\">.<\/span>waitKey<span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> k <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">32<\/span><span class=\"token punctuation\">:<\/span>  <span class=\"token comment\"># SPACE<\/span><br \/>\n                self<span class=\"token punctuation\">.<\/span>initializeTracker<span class=\"token punctuation\">(<\/span>image<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> k <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">27<\/span><span class=\"token punctuation\">:<\/span>  <span class=\"token comment\"># ESC<\/span><br \/>\n                <span class=\"token keyword\">break<\/span><\/p>\n<p>        <span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;Done&#039;<\/span><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\">&#039;__main__&#039;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span>__doc__<span class=\"token punctuation\">)<\/span><br \/>\n    parser <span class=\"token operator\">&#061;<\/span> argparse<span class=\"token punctuation\">.<\/span>ArgumentParser<span class=\"token punctuation\">(<\/span>description<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;Run tracker&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    parser<span class=\"token punctuation\">.<\/span>add_argument<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;&#8211;input&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token builtin\">type<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token builtin\">str<\/span><span class=\"token punctuation\">,<\/span> default<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;vtest.avi&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token builtin\">help<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;Path to video source&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    parser<span class=\"token punctuation\">.<\/span>add_argument<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;&#8211;tracker_algo&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token builtin\">type<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token builtin\">str<\/span><span class=\"token punctuation\">,<\/span> default<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;nanotrack&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token builtin\">help<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;One of available tracking algorithms: mil, goturn, dasiamrpn, nanotrack, vittrack&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    parser<span class=\"token punctuation\">.<\/span>add_argument<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;&#8211;goturn&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token builtin\">type<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token builtin\">str<\/span><span class=\"token punctuation\">,<\/span> default<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;goturn.prototxt&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token builtin\">help<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;Path to GOTURN architecture&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    parser<span class=\"token punctuation\">.<\/span>add_argument<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;&#8211;goturn_model&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token builtin\">type<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token builtin\">str<\/span><span class=\"token punctuation\">,<\/span> default<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;goturn.caffemodel&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token builtin\">help<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;Path to GOTERN model&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    parser<span class=\"token punctuation\">.<\/span>add_argument<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;&#8211;dasiamrpn_net&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token builtin\">type<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token builtin\">str<\/span><span class=\"token punctuation\">,<\/span> default<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;dasiamrpn_model.onnx&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token builtin\">help<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;Path to onnx model of DaSiamRPN net&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    parser<span class=\"token punctuation\">.<\/span>add_argument<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;&#8211;dasiamrpn_kernel_r1&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token builtin\">type<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token builtin\">str<\/span><span class=\"token punctuation\">,<\/span> default<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;dasiamrpn_kernel_r1.onnx&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token builtin\">help<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;Path to onnx model of DaSiamRPN kernel_r1&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    parser<span class=\"token punctuation\">.<\/span>add_argument<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;&#8211;dasiamrpn_kernel_cls1&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token builtin\">type<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token builtin\">str<\/span><span class=\"token punctuation\">,<\/span> default<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;dasiamrpn_kernel_cls1.onnx&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token builtin\">help<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;Path to onnx model of DaSiamRPN kernel_cls1&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    parser<span class=\"token punctuation\">.<\/span>add_argument<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;&#8211;nanotrack_backbone&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token builtin\">type<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token builtin\">str<\/span><span class=\"token punctuation\">,<\/span> default<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;nanotrack_backbone_sim.onnx&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token builtin\">help<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;Path to onnx model of NanoTrack backBone&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    parser<span class=\"token punctuation\">.<\/span>add_argument<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;&#8211;nanotrack_headneck&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token builtin\">type<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token builtin\">str<\/span><span class=\"token punctuation\">,<\/span> default<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;nanotrack_head_sim.onnx&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token builtin\">help<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;Path to onnx model of NanoTrack headNeck&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    parser<span class=\"token punctuation\">.<\/span>add_argument<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;&#8211;vittrack_net&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token builtin\">type<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token builtin\">str<\/span><span class=\"token punctuation\">,<\/span> default<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;vitTracker.onnx&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token builtin\">help<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;Path to onnx model of  vittrack&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    parser<span class=\"token punctuation\">.<\/span>add_argument<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;&#8211;tracking_score_threshold&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token builtin\">type<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token builtin\">float<\/span><span class=\"token punctuation\">,<\/span>  <span class=\"token builtin\">help<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;Tracking score threshold. If a bbox of score &gt;&#061; 0.3, it is considered as found &#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    parser<span class=\"token punctuation\">.<\/span>add_argument<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;&#8211;backend&#039;<\/span><span class=\"token punctuation\">,<\/span> choices<span class=\"token operator\">&#061;<\/span>backends<span class=\"token punctuation\">,<\/span> default<span class=\"token operator\">&#061;<\/span>cv<span class=\"token punctuation\">.<\/span>dnn<span class=\"token punctuation\">.<\/span>DNN_BACKEND_DEFAULT<span class=\"token punctuation\">,<\/span> <span class=\"token builtin\">type<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token builtin\">int<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                <span class=\"token builtin\">help<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;Choose one of computation backends: &#034;<\/span><br \/>\n                        <span class=\"token string\">&#034;%d: automatically (by default), &#034;<\/span><br \/>\n                        <span class=\"token string\">&#034;%d: Halide language (http:\/\/halide-lang.org\/), &#034;<\/span><br \/>\n                        <span class=\"token string\">&#034;%d: Intel&#039;s Deep Learning Inference Engine (https:\/\/software.intel.com\/openvino-toolkit), &#034;<\/span><br \/>\n                        <span class=\"token string\">&#034;%d: OpenCV implementation, &#034;<\/span><br \/>\n                        <span class=\"token string\">&#034;%d: VKCOM, &#034;<\/span><br \/>\n                        <span class=\"token string\">&#034;%d: CUDA&#034;<\/span><span class=\"token operator\">%<\/span> backends<span class=\"token punctuation\">)<\/span><br \/>\n    parser<span class=\"token punctuation\">.<\/span>add_argument<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;&#8211;target&#034;<\/span><span class=\"token punctuation\">,<\/span> choices<span class=\"token operator\">&#061;<\/span>targets<span class=\"token punctuation\">,<\/span> default<span class=\"token operator\">&#061;<\/span>cv<span class=\"token punctuation\">.<\/span>dnn<span class=\"token punctuation\">.<\/span>DNN_TARGET_CPU<span class=\"token punctuation\">,<\/span> <span class=\"token builtin\">type<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token builtin\">int<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                <span class=\"token builtin\">help<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;Choose one of target computation devices: &#034;<\/span><br \/>\n                        <span class=\"token string\">&#039;%d: CPU target (by default), &#039;<\/span><br \/>\n                        <span class=\"token string\">&#039;%d: OpenCL, &#039;<\/span><br \/>\n                        <span class=\"token string\">&#039;%d: OpenCL fp16 (half-float precision), &#039;<\/span><br \/>\n                        <span class=\"token string\">&#039;%d: VPU, &#039;<\/span><br \/>\n                        <span class=\"token string\">&#039;%d: VULKAN, &#039;<\/span><br \/>\n                        <span class=\"token string\">&#039;%d: CUDA, &#039;<\/span><br \/>\n                        <span class=\"token string\">&#039;%d: CUDA fp16 (half-float preprocess)&#039;<\/span><span class=\"token operator\">%<\/span> targets<span class=\"token punctuation\">)<\/span><\/p>\n<p>    args <span class=\"token operator\">&#061;<\/span> parser<span class=\"token punctuation\">.<\/span>parse_args<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    App<span class=\"token punctuation\">(<\/span>args<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>run<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    cv<span class=\"token punctuation\">.<\/span>destroyAllWindows<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<h4>\u76ee\u6807\u68c0\u6d4b\u4e0e\u5904\u7406<\/h4>\n<p>\u4f7f\u7528 YOLO \u6a21\u578b\u8fdb\u884c\u76ee\u6807\u68c0\u6d4b&#xff0c;\u5e76\u5c06\u7ed3\u679c\u8f6c\u6362\u4e3a\u4fbf\u4e8e\u5904\u7406\u7684\u683c\u5f0f&#xff1a;<\/p>\n<p><span class=\"token keyword\">def<\/span> <span class=\"token function\">detect_objects<\/span><span class=\"token punctuation\">(<\/span>frame<span class=\"token punctuation\">,<\/span> model<span class=\"token punctuation\">,<\/span> confidence<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    results <span class=\"token operator\">&#061;<\/span> model<span class=\"token punctuation\">(<\/span>frame<span class=\"token punctuation\">,<\/span> conf<span class=\"token operator\">&#061;<\/span>confidence<span class=\"token punctuation\">)<\/span><br \/>\n    boxes <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span>  <span class=\"token comment\"># \u5b58\u50a8\u8fb9\u754c\u6846 (x, y, w, h)<\/span><br \/>\n    class_names <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span>  <span class=\"token comment\"># \u5b58\u50a8\u76ee\u6807\u7c7b\u522b<\/span><br \/>\n    <span class=\"token keyword\">for<\/span> result <span class=\"token keyword\">in<\/span> results<span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token keyword\">for<\/span> box <span class=\"token keyword\">in<\/span> result<span class=\"token punctuation\">.<\/span>boxes<span class=\"token punctuation\">:<\/span><br \/>\n            x1<span class=\"token punctuation\">,<\/span> y1<span class=\"token punctuation\">,<\/span> x2<span class=\"token punctuation\">,<\/span> y2 <span class=\"token operator\">&#061;<\/span> box<span class=\"token punctuation\">.<\/span>xyxy<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span>tolist<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            boxes<span class=\"token punctuation\">.<\/span>append<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token builtin\">int<\/span><span class=\"token punctuation\">(<\/span>x1<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token builtin\">int<\/span><span class=\"token punctuation\">(<\/span>y1<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token builtin\">int<\/span><span class=\"token punctuation\">(<\/span>x2 <span class=\"token operator\">&#8211;<\/span> x1<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token builtin\">int<\/span><span class=\"token punctuation\">(<\/span>y2 <span class=\"token operator\">&#8211;<\/span> y1<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            class_names<span class=\"token punctuation\">.<\/span>append<span class=\"token punctuation\">(<\/span>model<span class=\"token punctuation\">.<\/span>names<span class=\"token punctuation\">[<\/span><span class=\"token builtin\">int<\/span><span class=\"token punctuation\">(<\/span>box<span class=\"token punctuation\">.<\/span>cls<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 punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> boxes<span class=\"token punctuation\">,<\/span> class_names<\/p>\n<p>\u5224\u65ad\u9f20\u6807\u70b9\u51fb\u662f\u5426\u5728\u67d0\u4e2a\u76ee\u6807\u6846\u5185&#xff1a;<\/p>\n<p><span class=\"token keyword\">def<\/span> <span class=\"token function\">point_in_box<\/span><span class=\"token punctuation\">(<\/span>x<span class=\"token punctuation\">,<\/span> y<span class=\"token punctuation\">,<\/span> box<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    bx<span class=\"token punctuation\">,<\/span> by<span class=\"token punctuation\">,<\/span> bw<span class=\"token punctuation\">,<\/span> bh <span class=\"token operator\">&#061;<\/span> box<br \/>\n    <span class=\"token keyword\">return<\/span> bx <span class=\"token operator\">&lt;&#061;<\/span> x <span class=\"token operator\">&lt;&#061;<\/span> bx <span class=\"token operator\">&#043;<\/span> bw <span class=\"token keyword\">and<\/span> by <span class=\"token operator\">&lt;&#061;<\/span> y <span class=\"token operator\">&lt;&#061;<\/span> by <span class=\"token operator\">&#043;<\/span> bh<\/p>\n<h4>\u4e3b\u7a0b\u5e8f\u903b\u8f91<\/h4>\n<p>\u4e3b\u51fd\u6570\u534f\u8c03\u6574\u4e2a\u7cfb\u7edf\u7684\u5de5\u4f5c\u6d41\u7a0b&#xff1a;<\/p>\n<p><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 keyword\">global<\/span> selected_box<span class=\"token punctuation\">,<\/span> tracking<span class=\"token punctuation\">,<\/span> target_class<span class=\"token punctuation\">,<\/span> mouse_clicked<span class=\"token punctuation\">,<\/span> debug<\/p>\n<p>    args <span class=\"token operator\">&#061;<\/span> parse_args<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    debug <span class=\"token operator\">&#061;<\/span> args<span class=\"token punctuation\">.<\/span>debug<\/p>\n<p>    <span class=\"token comment\"># \u9a8c\u8bc1\u8ddf\u8e2a\u5668\u662f\u5426\u53ef\u7528<\/span><br \/>\n    test_tracker <span class=\"token operator\">&#061;<\/span> create_tracker<span class=\"token punctuation\">(<\/span>args<span class=\"token punctuation\">.<\/span>tracker<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> test_tracker <span class=\"token keyword\">is<\/span> <span class=\"token boolean\">None<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token keyword\">return<\/span><br \/>\n    <span class=\"token keyword\">del<\/span> test_tracker<\/p>\n<p>    <span class=\"token comment\"># \u52a0\u8f7dYOLO\u6a21\u578b<\/span><br \/>\n    <span class=\"token keyword\">try<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        model <span class=\"token operator\">&#061;<\/span> YOLO<span class=\"token punctuation\">(<\/span>args<span class=\"token punctuation\">.<\/span>model<span class=\"token punctuation\">)<\/span><br \/>\n    <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;Failed to load YOLO model: <\/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><\/p>\n<p>    <span class=\"token comment\"># \u6253\u5f00\u89c6\u9891\u6e90<\/span><br \/>\n    cap <span class=\"token operator\">&#061;<\/span> cv2<span class=\"token punctuation\">.<\/span>VideoCapture<span class=\"token punctuation\">(<\/span>args<span class=\"token punctuation\">.<\/span>video<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token keyword\">not<\/span> cap<span class=\"token punctuation\">.<\/span>isOpened<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><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;Cannot open video source: <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>args<span class=\"token punctuation\">.<\/span>video<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><\/p>\n<p>    <span class=\"token comment\"># \u521b\u5efa\u7a97\u53e3\u548c\u9f20\u6807\u56de\u8c03<\/span><br \/>\n    window_name <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;Tracker&#034;<\/span><br \/>\n    cv2<span class=\"token punctuation\">.<\/span>namedWindow<span class=\"token punctuation\">(<\/span>window_name<span class=\"token punctuation\">)<\/span><br \/>\n    cv2<span class=\"token punctuation\">.<\/span>setMouseCallback<span class=\"token punctuation\">(<\/span>window_name<span class=\"token punctuation\">,<\/span> mouse_callback<span class=\"token punctuation\">)<\/span><\/p>\n<p>    tracker <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">None<\/span><br \/>\n    font <span class=\"token operator\">&#061;<\/span> cv2<span class=\"token punctuation\">.<\/span>FONT_HERSHEY_SIMPLEX<\/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\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;End of video&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token keyword\">break<\/span><\/p>\n<p>        <span class=\"token comment\"># \u68c0\u6d4b\u76ee\u6807<\/span><br \/>\n        boxes<span class=\"token punctuation\">,<\/span> class_names <span class=\"token operator\">&#061;<\/span> detect_objects<span class=\"token punctuation\">(<\/span>frame<span class=\"token punctuation\">,<\/span> model<span class=\"token punctuation\">,<\/span> args<span class=\"token punctuation\">.<\/span>confidence<span class=\"token punctuation\">)<\/span><\/p>\n<p>        <span class=\"token comment\"># \u5904\u7406\u70b9\u51fb\u9009\u62e9\u76ee\u6807<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> mouse_clicked <span class=\"token keyword\">and<\/span> <span class=\"token keyword\">not<\/span> tracking<span class=\"token punctuation\">:<\/span><br \/>\n            <span class=\"token keyword\">for<\/span> i<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span>box<span class=\"token punctuation\">,<\/span> cls<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">in<\/span> <span class=\"token builtin\">enumerate<\/span><span class=\"token punctuation\">(<\/span><span class=\"token builtin\">zip<\/span><span class=\"token punctuation\">(<\/span>boxes<span class=\"token punctuation\">,<\/span> class_names<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n                <span class=\"token keyword\">if<\/span> point_in_box<span class=\"token punctuation\">(<\/span>click_x<span class=\"token punctuation\">,<\/span> click_y<span class=\"token punctuation\">,<\/span> box<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n                    selected_box <span class=\"token operator\">&#061;<\/span> box<br \/>\n                    target_class <span class=\"token operator\">&#061;<\/span> cls<br \/>\n                    tracker <span class=\"token operator\">&#061;<\/span> create_tracker<span class=\"token punctuation\">(<\/span>args<span class=\"token punctuation\">.<\/span>tracker<span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token keyword\">if<\/span> tracker<span class=\"token punctuation\">:<\/span><br \/>\n                        tracker<span class=\"token punctuation\">.<\/span>init<span class=\"token punctuation\">(<\/span>frame<span class=\"token punctuation\">,<\/span> selected_box<span class=\"token punctuation\">)<\/span><br \/>\n                        tracking <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">True<\/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;Tracking <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>target_class<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\"> with <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>args<span class=\"token punctuation\">.<\/span>tracker<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token keyword\">break<\/span><br \/>\n            mouse_clicked <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">False<\/span><\/p>\n<p>        <span class=\"token comment\"># \u8ddf\u8e2a\u903b\u8f91<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> tracking <span class=\"token keyword\">and<\/span> tracker<span class=\"token punctuation\">:<\/span><br \/>\n            ok<span class=\"token punctuation\">,<\/span> bbox <span class=\"token operator\">&#061;<\/span> tracker<span class=\"token punctuation\">.<\/span>update<span class=\"token punctuation\">(<\/span>frame<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> ok<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> <span class=\"token punctuation\">[<\/span><span class=\"token builtin\">int<\/span><span class=\"token punctuation\">(<\/span>v<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">for<\/span> v <span class=\"token keyword\">in<\/span> bbox<span class=\"token punctuation\">]<\/span><br \/>\n                cv2<span class=\"token punctuation\">.<\/span>rectangle<span class=\"token punctuation\">(<\/span>frame<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span>x<span class=\"token punctuation\">,<\/span> y<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span>x <span class=\"token operator\">&#043;<\/span> w<span class=\"token punctuation\">,<\/span> y <span class=\"token operator\">&#043;<\/span> h<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">255<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                cv2<span class=\"token punctuation\">.<\/span>putText<span class=\"token punctuation\">(<\/span>frame<span class=\"token punctuation\">,<\/span> <span class=\"token string-interpolation\"><span class=\"token string\">f&#034;Track: <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>target_class<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#034;<\/span><\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span>x<span class=\"token punctuation\">,<\/span> y <span class=\"token operator\">&#8211;<\/span> <span class=\"token number\">10<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                            font<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0.5<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">255<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token keyword\">else<\/span><span class=\"token punctuation\">:<\/span><br \/>\n                cv2<span class=\"token punctuation\">.<\/span>putText<span class=\"token punctuation\">(<\/span>frame<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;Lost&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token number\">10<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">30<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> font<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0.7<\/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 number\">2<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                tracking <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">False<\/span><\/p>\n<p>        <span class=\"token comment\"># \u672a\u8ddf\u8e2a\u65f6\u663e\u793a\u6240\u6709\u76ee\u6807<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token keyword\">not<\/span> tracking<span class=\"token punctuation\">:<\/span><br \/>\n            <span class=\"token keyword\">for<\/span> box<span class=\"token punctuation\">,<\/span> cls <span class=\"token keyword\">in<\/span> <span class=\"token builtin\">zip<\/span><span class=\"token punctuation\">(<\/span>boxes<span class=\"token punctuation\">,<\/span> class_names<span class=\"token punctuation\">)<\/span><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> box<br \/>\n                cv2<span class=\"token punctuation\">.<\/span>rectangle<span class=\"token punctuation\">(<\/span>frame<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span>x<span class=\"token punctuation\">,<\/span> y<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span>x <span class=\"token operator\">&#043;<\/span> w<span class=\"token punctuation\">,<\/span> y <span class=\"token operator\">&#043;<\/span> h<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token number\">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 number\">2<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                cv2<span class=\"token punctuation\">.<\/span>putText<span class=\"token punctuation\">(<\/span>frame<span class=\"token punctuation\">,<\/span> cls<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span>x<span class=\"token punctuation\">,<\/span> y <span class=\"token operator\">&#8211;<\/span> <span class=\"token number\">10<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> font<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0.5<\/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 number\">2<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>        <span class=\"token comment\"># \u663e\u793a\u63d0\u793a\u4fe1\u606f<\/span><br \/>\n        hint <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;Right click to stop&#034;<\/span> <span class=\"token keyword\">if<\/span> tracking <span class=\"token keyword\">else<\/span> <span class=\"token string\">&#034;Left click to select&#034;<\/span><br \/>\n        cv2<span class=\"token punctuation\">.<\/span>putText<span class=\"token punctuation\">(<\/span>frame<span class=\"token punctuation\">,<\/span> hint<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token number\">10<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">30<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> font<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0.7<\/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\">255<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        cv2<span class=\"token punctuation\">.<\/span>putText<span class=\"token punctuation\">(<\/span>frame<span class=\"token punctuation\">,<\/span> <span class=\"token string-interpolation\"><span class=\"token string\">f&#034;Tracker: <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>args<span class=\"token punctuation\">.<\/span>tracker<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#034;<\/span><\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token number\">10<\/span><span class=\"token punctuation\">,<\/span> frame<span class=\"token punctuation\">.<\/span>shape<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#8211;<\/span> <span class=\"token number\">30<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                    font<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0.5<\/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> <span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        cv2<span class=\"token punctuation\">.<\/span>putText<span class=\"token punctuation\">(<\/span>frame<span class=\"token punctuation\">,<\/span> <span class=\"token string-interpolation\"><span class=\"token string\">f&#034;FPS: <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token builtin\">int<\/span><span class=\"token punctuation\">(<\/span>cap<span class=\"token punctuation\">.<\/span>get<span class=\"token punctuation\">(<\/span>cv2<span class=\"token punctuation\">.<\/span>CAP_PROP_FPS<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#034;<\/span><\/span><span class=\"token punctuation\">,<\/span><br \/>\n                    <span class=\"token punctuation\">(<\/span><span class=\"token number\">10<\/span><span class=\"token punctuation\">,<\/span> frame<span class=\"token punctuation\">.<\/span>shape<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#8211;<\/span> <span class=\"token number\">10<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> font<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0.5<\/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> <span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>        <span class=\"token comment\"># \u663e\u793a\u7a97\u53e3<\/span><br \/>\n        cv2<span class=\"token punctuation\">.<\/span>imshow<span class=\"token punctuation\">(<\/span>window_name<span class=\"token punctuation\">,<\/span> frame<span class=\"token punctuation\">)<\/span><\/p>\n<p>        <span class=\"token comment\"># \u9000\u51fa\u6761\u4ef6<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> cv2<span class=\"token punctuation\">.<\/span>waitKey<span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&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 punctuation\">)<\/span><\/p>\n<h3>\u4f7f\u7528\u65b9\u6cd5<\/h3>\n<h4>\u73af\u5883\u914d\u7f6e<\/h4>\n<p>\u9996\u5148\u5b89\u88c5\u5fc5\u8981\u7684\u4f9d\u8d56\u5e93&#xff1a;<\/p>\n<p>pip <span class=\"token function\">install<\/span> opencv-python opencv-contrib-python ultralytics numpy<\/p>\n<h4>\u8fd0\u884c\u53c2\u6570<\/h4>\n<p>\u7a0b\u5e8f\u652f\u6301\u4ee5\u4e0b\u547d\u4ee4\u884c\u53c2\u6570&#xff1a;<\/p>\n<ul>\n<li>&#8211;video&#xff1a;\u89c6\u9891\u6e90\u8def\u5f84&#xff0c;\u9ed8\u8ba4\u4e3a \u201cxxxxx.mp4\u201d&#xff0c;\u4f7f\u7528 \u201c0\u201d \u53ef\u8c03\u7528\u6444\u50cf\u5934<\/li>\n<li>&#8211;confidence&#xff1a;\u76ee\u6807\u68c0\u6d4b\u7f6e\u4fe1\u5ea6\u9608\u503c&#xff0c;\u9ed8\u8ba4 0.5<\/li>\n<li>&#8211;model&#xff1a;YOLO \u6a21\u578b\u8def\u5f84&#xff0c;\u9ed8\u8ba4 \u201cyolo12n.pt\u201d&#xff08;\u4f1a\u81ea\u52a8\u4e0b\u8f7d&#xff09;<\/li>\n<li>&#8211;tracker&#xff1a;\u8ddf\u8e2a\u7b97\u6cd5\u9009\u62e9&#xff0c;\u53ef\u9009 \u201cmosse\u201d\u3001\u201ccsrt\u201d\u3001\u201ckcf\u201d&#xff0c;\u9ed8\u8ba4 \u201cmosse\u201d<\/li>\n<li>&#8211;debug&#xff1a;\u542f\u7528\u8c03\u8bd5\u6a21\u5f0f&#xff0c;\u6253\u5370\u989d\u5916\u4fe1\u606f<\/li>\n<\/ul>\n<h4>\u64cd\u4f5c\u6307\u5357<\/h4>\n<li>\u8fd0\u884c\u7a0b\u5e8f\u540e&#xff0c;\u7cfb\u7edf\u9ed8\u8ba4\u5904\u4e8e\u76ee\u6807\u68c0\u6d4b\u6a21\u5f0f&#xff0c;\u6240\u6709\u68c0\u6d4b\u5230\u7684\u76ee\u6807\u7528\u84dd\u8272\u6846\u6807\u8bb0<\/li>\n<li>\u5de6\u952e\u70b9\u51fb\u67d0\u4e2a\u76ee\u6807\u6846&#xff0c;\u7cfb\u7edf\u5c06\u5f00\u59cb\u7528\u7eff\u8272\u6846\u8ddf\u8e2a\u8be5\u76ee\u6807<\/li>\n<li>\u53f3\u952e\u70b9\u51fb\u53ef\u505c\u6b62\u8ddf\u8e2a&#xff0c;\u56de\u5230\u76ee\u6807\u68c0\u6d4b\u6a21\u5f0f<\/li>\n<li>\u6309 \u201cq\u201d 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