{"id":445,"date":"2026-01-28T22:07:01","date_gmt":"2026-01-28T14:07:01","guid":{"rendered":"https:\/\/blog.itsmygo.uk\/2026\/01\/28\/%e3%80%90yolo-%e7%89%a9%e4%bb%b6%e5%81%b5%e6%b8%ac%e6%95%99%e5%ad%b8%e3%80%9102-%e7%92%b0%e5%a2%83%e5%bb%ba%e7%bd%ae%ef%bc%9a%e7%94%a8-ultralytics-%e8%b7%91%e4%bd%a0%e7%9a%84%e7%ac%ac%e4%b8%80\/"},"modified":"2026-01-28T22:24:20","modified_gmt":"2026-01-28T14:24:20","slug":"%e3%80%90yolo-%e7%89%a9%e4%bb%b6%e5%81%b5%e6%b8%ac%e6%95%99%e5%ad%b8%e3%80%9102-%e7%92%b0%e5%a2%83%e5%bb%ba%e7%bd%ae%ef%bc%9a%e7%94%a8-ultralytics-%e8%b7%91%e4%bd%a0%e7%9a%84%e7%ac%ac%e4%b8%80","status":"publish","type":"post","link":"https:\/\/blog.itsmygo.uk\/wordpress\/2026\/01\/28\/%e3%80%90yolo-%e7%89%a9%e4%bb%b6%e5%81%b5%e6%b8%ac%e6%95%99%e5%ad%b8%e3%80%9102-%e7%92%b0%e5%a2%83%e5%bb%ba%e7%bd%ae%ef%bc%9a%e7%94%a8-ultralytics-%e8%b7%91%e4%bd%a0%e7%9a%84%e7%ac%ac%e4%b8%80\/","title":{"rendered":"\u3010YOLO \u7269\u4ef6\u5075\u6e2c\u6559\u5b78\u3011#02 \u74b0\u5883\u5efa\u7f6e\uff1a\u7528 Ultralytics \u8dd1\u4f60\u7684\u7b2c\u4e00\u500b YOLO \u6a21\u578b"},"content":{"rendered":"\n<div id=\"quiz-45f0d865\">\n<style>\n#quiz-45f0d865 .question {\n        background: white;\n        border-radius: 8px;\n        padding: 20px;\n        margin: 20px 0;\n        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);\n      }#quiz-45f0d865 .question h3 {\n        margin-top: 0;\n        color: #333;\n      }#quiz-45f0d865 .options {\n        list-style: none;\n        padding: 0;\n      }#quiz-45f0d865 .options li {\n        padding: 12px 15px;\n        margin: 8px 0;\n        border: 2px solid #ddd;\n        border-radius: 6px;\n        cursor: pointer;\n        transition: all 0.2s;\n      }#quiz-45f0d865 .options li:hover:not(.disabled) {\n        border-color: #4caf50;\n        background: #f0fff0;\n      }#quiz-45f0d865 .options li.correct {\n        border-color: #4caf50;\n        background: #e8f5e9;\n      }#quiz-45f0d865 .options li.wrong {\n        border-color: #f44336;\n        background: #ffebee;\n      }#quiz-45f0d865 .options li.disabled {\n        cursor: default;\n        opacity: 0.7;\n      }#quiz-45f0d865 .options li.show-answer {\n        border-color: #4caf50;\n        background: #e8f5e9;\n      }#quiz-45f0d865 .feedback {\n        margin-top: 15px;\n        padding: 12px;\n        border-radius: 6px;\n        display: none;\n      }#quiz-45f0d865 .feedback.correct {\n        background: #e8f5e9;\n        color: #2e7d32;\n        display: block;\n      }#quiz-45f0d865 .feedback.wrong {\n        background: #ffebee;\n        color: #c62828;\n        display: block;\n      }#quiz-45f0d865 .score {\n        text-align: center;\n        font-size: 1.5em;\n        padding: 20px;\n        background: white;\n        border-radius: 8px;\n        margin-top: 20px;\n      }#quiz-45f0d865 .code-block {\n        background: #1e1e1e;\n        color: #d4d4d4;\n        padding: 14px;\n        border-radius: 6px;\n        font-family: \"Monaco\", \"Consolas\", \"Courier New\", monospace;\n        font-size: 0.9em;\n        overflow-x: auto;\n        margin: 12px 0;\n        white-space: pre-wrap;\n      }\n<\/style>\n<h1>\u6e2c\u9a57\uff1aYOLO \u74b0\u5883\u5efa\u7f6e\u8207\u7b2c\u4e00\u500b\u6a21\u578b<\/h1>\n    <p>\u5171 5 \u984c\uff0c\u9ede\u9078\u7b54\u6848\u5f8c\u6703\u7acb\u5373\u986f\u793a\u7d50\u679c<\/p>\n\n    <div class=\"question\" id=\"q1\">\n      <h3>1. \u5b89\u88dd Ultralytics \u5957\u4ef6\u6642\uff0c\u6703\u81ea\u52d5\u5b89\u88dd\u54ea\u4e9b\u4f9d\u8cf4\uff1f<\/h3>\n      <ul class=\"options\">\n        <li onclick=\"checkAnswer(1, 'A', 'B')\">A. torch\u3001tensorflow\u3001numpy<\/li>\n        <li onclick=\"checkAnswer(1, 'B', 'B')\">B. torch\u3001opencv-python\u3001numpy<\/li>\n        <li onclick=\"checkAnswer(1, 'C', 'B')\">C. keras\u3001opencv-python\u3001pandas<\/li>\n        <li onclick=\"checkAnswer(1, 'D', 'B')\">D. torch\u3001pillow\u3001scipy<\/li>\n      <\/ul>\n      <div class=\"feedback\" id=\"fb1\"><\/div>\n    <\/div>\n\n    <div class=\"question\" id=\"q2\">\n      <h3>2. YOLOv8 \u6a21\u578b\u540d\u7a31\u4e2d\u7684\u5b57\u6bcd\u4ee3\u8868\u4ec0\u9ebc\u610f\u7fa9\uff1f\u4f8b\u5982 yolov8n\u3001yolov8s\u3001yolov8m<\/h3>\n      <ul class=\"options\">\n        <li onclick=\"checkAnswer(2, 'A', 'C')\">A. \u8a13\u7df4\u8cc7\u6599\u96c6\u7684\u7248\u672c\u7de8\u865f<\/li>\n        <li onclick=\"checkAnswer(2, 'B', 'C')\">B. \u6a21\u578b\u7684\u767c\u5e03\u65e5\u671f\u4ee3\u78bc<\/li>\n        <li onclick=\"checkAnswer(2, 'C', 'C')\">C. \u6a21\u578b\u5927\u5c0f\uff0cn=nano, s=small, m=medium \u7b49<\/li>\n        <li onclick=\"checkAnswer(2, 'D', 'C')\">D. \u652f\u63f4\u7684\u5f71\u50cf\u89e3\u6790\u5ea6\u7b49\u7d1a<\/li>\n      <\/ul>\n      <div class=\"feedback\" id=\"fb2\"><\/div>\n    <\/div>\n\n    <div class=\"question\" id=\"q3\">\n      <h3>3. \u4f7f\u7528 Python API \u53d6\u5f97\u5075\u6e2c\u7d50\u679c\u6642\uff0c<code>box.xyxy<\/code> \u7684\u5ea7\u6a19\u683c\u5f0f\u4ee3\u8868\u4ec0\u9ebc\uff1f<\/h3>\n      <ul class=\"options\">\n        <li onclick=\"checkAnswer(3, 'A', 'A')\">A. \u5de6\u4e0a\u89d2 (x1, y1) \u548c\u53f3\u4e0b\u89d2 (x2, y2) \u5ea7\u6a19<\/li>\n        <li onclick=\"checkAnswer(3, 'B', 'A')\">B. \u4e2d\u5fc3\u9ede (cx, cy) \u548c\u5bec\u9ad8 (w, h)<\/li>\n        <li onclick=\"checkAnswer(3, 'C', 'A')\">C. \u56db\u500b\u89d2\u843d\u7684 x \u5ea7\u6a19<\/li>\n        <li onclick=\"checkAnswer(3, 'D', 'A')\">D. \u76f8\u5c0d\u65bc\u5716\u7247\u7684\u767e\u5206\u6bd4\u4f4d\u7f6e<\/li>\n      <\/ul>\n      <div class=\"feedback\" id=\"fb3\"><\/div>\n    <\/div>\n\n    <div class=\"question\" id=\"q4\">\n      <h3>4. YOLOv8 \u9810\u8a13\u7df4\u6a21\u578b\u4f7f\u7528\u54ea\u500b\u8cc7\u6599\u96c6\u8a13\u7df4\uff0c\u53ef\u4ee5\u8fa8\u8b58\u591a\u5c11\u7a2e\u7269\u4ef6\uff1f<\/h3>\n      <ul class=\"options\">\n        <li onclick=\"checkAnswer(4, 'A', 'B')\">A. ImageNet\uff0c1000 \u7a2e\u7269\u4ef6<\/li>\n        <li onclick=\"checkAnswer(4, 'B', 'B')\">B. COCO\uff0c80 \u7a2e\u7269\u4ef6<\/li>\n        <li onclick=\"checkAnswer(4, 'C', 'B')\">C. PASCAL VOC\uff0c20 \u7a2e\u7269\u4ef6<\/li>\n        <li onclick=\"checkAnswer(4, 'D', 'B')\">D. Open Images\uff0c500 \u7a2e\u7269\u4ef6<\/li>\n      <\/ul>\n      <div class=\"feedback\" id=\"fb4\"><\/div>\n    <\/div>\n\n    <div class=\"question\" id=\"q5\">\n      <h3>5. \u7576\u4fe1\u5fc3\u5ea6\uff08confidence\uff09\u70ba 0.72 \u6642\uff0c\u9019\u4ee3\u8868\u6a21\u578b\u5c0d\u9019\u500b\u5075\u6e2c\u7684\u628a\u63e1\u7a0b\u5ea6\u5982\u4f55\uff1f<\/h3>\n      <ul class=\"options\">\n        <li onclick=\"checkAnswer(5, 'A', 'B')\">A. \u5f88\u78ba\u5b9a\uff080.9 \u4ee5\u4e0a\uff09<\/li>\n        <li onclick=\"checkAnswer(5, 'B', 'B')\">B. \u9084\u883b\u78ba\u5b9a\uff080.7-0.9\uff09<\/li>\n        <li onclick=\"checkAnswer(5, 'C', 'B')\">C. \u6709\u9ede\u4e0d\u78ba\u5b9a\uff080.5-0.7\uff09<\/li>\n        <li onclick=\"checkAnswer(5, 'D', 'B')\">D. \u53ef\u80fd\u662f\u8aa4\u5224\uff080.5 \u4ee5\u4e0b\uff09<\/li>\n      <\/ul>\n      <div class=\"feedback\" id=\"fb5\"><\/div>\n    <\/div>\n\n    <div class=\"score\" id=\"score\" style=\"display:none;\"><\/div>\n<script>\n\n      let answered = 0;\n      let correct = 0;\n      const total = 5;\n      const explanations = {\n        1: \"\u6839\u64da\u6587\u4ef6\u8aaa\u660e\uff0c\u5b89\u88dd Ultralytics \u6703\u81ea\u52d5\u5b89\u88dd torch\uff08PyTorch \u6df1\u5ea6\u5b78\u7fd2\u6846\u67b6\uff09\u3001opencv-python\uff08\u5f71\u50cf\u8655\u7406\uff09\u548c numpy\uff08\u6578\u503c\u904b\u7b97\uff09\u9019\u4e09\u500b\u4e3b\u8981\u4f9d\u8cf4\u3002\",\n        2: \"YOLOv8 \u6a21\u578b\u540d\u7a31\u7684\u5b57\u6bcd\u4ee3\u8868\u6a21\u578b\u5927\u5c0f\uff1an\uff08nano\uff09\u3001s\uff08small\uff09\u3001m\uff08medium\uff09\u3001l\uff08large\uff09\u3001x\uff08extra large\uff09\u3002\u6a21\u578b\u8d8a\u5927\u6e96\u78ba\u5ea6\u8d8a\u9ad8\u4f46\u901f\u5ea6\u8d8a\u6162\u3002\",\n        3: \"xyxy \u683c\u5f0f\u8868\u793a\u908a\u754c\u6846\u7684\u5de6\u4e0a\u89d2 (x1, y1) \u548c\u53f3\u4e0b\u89d2 (x2, y2) \u5ea7\u6a19\u3002\u53e6\u4e00\u7a2e xywh \u683c\u5f0f\u5247\u662f\u4e2d\u5fc3\u9ede\u5ea7\u6a19\u52a0\u4e0a\u5bec\u9ad8\u3002\",\n        4: \"YOLOv8 \u9810\u8a13\u7df4\u6a21\u578b\u4f7f\u7528 COCO \u8cc7\u6599\u96c6\u8a13\u7df4\uff0c\u80fd\u8fa8\u8b58 80 \u7a2e\u5e38\u898b\u7269\u4ef6\uff0c\u5305\u62ec person\u3001car\u3001dog\u3001cat \u7b49\u3002\",\n        5: \"\u6839\u64da\u6587\u4ef6\u7684\u4fe1\u5fc3\u5ea6\u5206\u7d1a\uff1a0.9 \u4ee5\u4e0a\u662f\u5f88\u78ba\u5b9a\u30010.7-0.9 \u662f\u9084\u883b\u78ba\u5b9a\u30010.5-0.7 \u662f\u6709\u9ede\u4e0d\u78ba\u5b9a\u30010.5 \u4ee5\u4e0b\u53ef\u80fd\u662f\u8aa4\u5224\u30020.72 \u843d\u5728 0.7-0.9 \u7684\u7bc4\u570d\u5167\u3002\"\n      };\n\n      function checkAnswer(qNum, selected, correctAns) {\n        const question = document.getElementById(\"q\" + qNum);\n        if (question.classList.contains(\"answered\")) return;\n\n        question.classList.add(\"answered\");\n        answered++;\n\n        const options = question.querySelectorAll(\".options li\");\n        options.forEach((opt) => {\n          opt.classList.add(\"disabled\");\n          if (opt.textContent.startsWith(correctAns + \".\")) {\n            opt.classList.add(\"show-answer\");\n          }\n        });\n\n        const feedback = document.getElementById(\"fb\" + qNum);\n        if (selected === correctAns) {\n          correct++;\n          feedback.className = \"feedback correct\";\n          feedback.innerHTML = \"\u2713 \u6b63\u78ba\uff01\" + explanations[qNum];\n        } else {\n          feedback.className = \"feedback wrong\";\n          feedback.innerHTML =\n            \"\u2717 \u932f\u8aa4\u3002\u6b63\u78ba\u7b54\u6848\u662f \" + correctAns + \"\u3002\" + explanations[qNum];\n          options.forEach((opt) => {\n            if (opt.textContent.startsWith(selected + \".\")) {\n              opt.classList.add(\"wrong\");\n            }\n          });\n        }\n\n        if (answered === total) {\n          const scoreDiv = document.getElementById(\"score\");\n          scoreDiv.style.display = \"block\";\n          scoreDiv.innerHTML =\n            \"\u6e2c\u9a57\u5b8c\u6210\uff01\u5f97\u5206\uff1a\" +\n            correct +\n            \" \/ \" +\n            total +\n            (correct === total\n              ? \" \ud83c\udf89 \u5168\u5c0d\uff01\"\n              : correct >= Math.ceil(total * 0.6)\n                ? \" \ud83d\udc4d \u4e0d\u932f\uff01\"\n                : \" \ud83d\udcda \u518d\u8907\u7fd2\u4e00\u4e0b\u5427\");\n        }\n      }\n    \n<\/script>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">\u524d\u8a00<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0a\u4e00\u7bc7\u6211\u5011\u8a8d\u8b58\u4e86 YOLO \u7684\u6838\u5fc3\u6982\u5ff5\uff0c\u4e86\u89e3\u5b83\u5982\u4f55\u4e00\u6b21\u770b\u5b8c\u6574\u5f35\u5716\u7247\u4f86\u5075\u6e2c\u7269\u4ef6\u3002\u9019\u7bc7\u8981\u52d5\u624b\u505a\u4e86\u2014\u2014\u5b89\u88dd Ultralytics \u5957\u4ef6\uff0c\u7136\u5f8c\u7528\u9810\u8a13\u7df4\u6a21\u578b\u8dd1\u4e00\u5f35\u5716\u7247\uff0c\u770b\u770b YOLO \u80fd\u5075\u6e2c\u51fa\u4ec0\u9ebc\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8b80\u5b8c\u9019\u7bc7\uff0c\u4f60\u6703\u5b78\u5230\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5b89\u88dd Ultralytics \u5957\u4ef6\u548c\u76f8\u95dc\u4f9d\u8cf4<\/li>\n<li>\u4f7f\u7528\u9810\u8a13\u7df4\u6a21\u578b\u9032\u884c\u7269\u4ef6\u5075\u6e2c<\/li>\n<li>\u7406\u89e3 YOLO \u7684\u8f38\u5165\u8f38\u51fa\u683c\u5f0f<\/li>\n<li>\u7528 Python \u548c CLI \u5169\u7a2e\u65b9\u5f0f\u57f7\u884c\u5075\u6e2c<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u74b0\u5883\u9700\u6c42<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u958b\u59cb\u4e4b\u524d\uff0c\u5148\u78ba\u8a8d\u4f60\u7684\u74b0\u5883\u7b26\u5408\u4ee5\u4e0b\u689d\u4ef6\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Python \u7248\u672c<\/h3>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-1\" data-shcb-language-name=\"CSS\" data-shcb-language-slug=\"css\"><span><code class=\"hljs language-css\"><span class=\"hljs-selector-tag\">Python<\/span> 3<span class=\"hljs-selector-class\">.8<\/span> \u4ee5\u4e0a\uff08\u5efa\u8b70 3<span class=\"hljs-selector-class\">.10<\/span> \u6216 3<span class=\"hljs-selector-class\">.11<\/span>\uff09\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-1\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">CSS<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">css<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\">\u6aa2\u67e5\u4f60\u7684 Python \u7248\u672c\uff1a<\/p>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-2\" data-shcb-language-name=\"CSS\" data-shcb-language-slug=\"css\"><span><code class=\"hljs language-css\"><span class=\"hljs-selector-tag\">python<\/span> <span class=\"hljs-selector-tag\">--version<\/span>\n# \u8f38\u51fa\u7bc4\u4f8b\uff1a<span class=\"hljs-selector-tag\">Python<\/span> 3<span class=\"hljs-selector-class\">.11<\/span><span class=\"hljs-selector-class\">.4<\/span>\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-2\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">CSS<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">css<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">GPU \u652f\u63f4\uff08\u53ef\u9078\u4f46\u5efa\u8b70\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">YOLO \u53ef\u4ee5\u7d14 CPU \u8dd1\uff0c\u4f46 GPU \u6703\u5feb\u5f88\u591a\u3002\u5982\u679c\u4f60\u6709 NVIDIA \u986f\u5361\uff0c\u78ba\u8a8d\u5df2\u5b89\u88dd CUDA\uff1a<\/p>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\"><span><code class=\"hljs\">nvidia-smi\n<\/code><\/span><\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\">\u770b\u5230\u985e\u4f3c\u9019\u6a23\u7684\u8f38\u51fa\u5c31\u8868\u793a GPU \u53ef\u7528\uff1a<\/p>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\"><span><code class=\"hljs\">+-----------------------------------------------------------------------------+\n| NVIDIA-SMI 535.104.05   Driver Version: 535.104.05   CUDA Version: 12.2    |\n|-------------------------------+----------------------+----------------------+\n| GPU  Name        Persistence-M| Bus-Id        Disp.A | Volatile Uncorr. ECC |\n| Fan  Temp  Perf  Pwr:Usage\/Cap|         Memory-Usage | GPU-Util  Compute M. |\n|===============================+======================+======================|\n|   0  NVIDIA GeForce ...  Off  | 00000000:01:00.0  On |                  N\/A |\n+-------------------------------+----------------------+----------------------+\n<\/code><\/span><\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\">\u6c92\u6709 GPU \u4e5f\u6c92\u95dc\u4fc2\uff0cUltralytics \u6703\u81ea\u52d5\u5075\u6e2c\u4e26\u4f7f\u7528 CPU\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5b89\u88dd Ultralytics<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u57fa\u672c\u5b89\u88dd<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6700\u7c21\u55ae\u7684\u65b9\u5f0f\uff0c\u4e00\u884c\u641e\u5b9a\uff1a<\/p>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\"><span><code class=\"hljs\">pip install ultralytics\n<\/code><\/span><\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\">\u9019\u6703\u5b89\u88dd Ultralytics \u5957\u4ef6\u548c\u6240\u6709\u5fc5\u8981\u7684\u4f9d\u8cf4\uff0c\u5305\u62ec\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>torch<\/code>\uff08PyTorch\uff0c\u6df1\u5ea6\u5b78\u7fd2\u6846\u67b6\uff09<\/li>\n<li><code>opencv-python<\/code>\uff08\u5f71\u50cf\u8655\u7406\uff09<\/li>\n<li><code>numpy<\/code>\uff08\u6578\u503c\u904b\u7b97\uff09<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u9a57\u8b49\u5b89\u88dd<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b89\u88dd\u5b8c\u6210\u5f8c\uff0c\u78ba\u8a8d\u53ef\u4ee5\u6b63\u5e38 import\uff1a<\/p>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-3\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\"><span class=\"hljs-keyword\">from<\/span> ultralytics <span class=\"hljs-keyword\">import<\/span> YOLO\nprint(<span class=\"hljs-string\">\"Ultralytics \u5b89\u88dd\u6210\u529f\uff01\"<\/span>)\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-3\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\">\u6216\u7528 CLI \u6aa2\u67e5\u7248\u672c\uff1a<\/p>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-4\" data-shcb-language-name=\"CSS\" data-shcb-language-slug=\"css\"><span><code class=\"hljs language-css\"><span class=\"hljs-selector-tag\">yolo<\/span> <span class=\"hljs-selector-tag\">version<\/span>\n# \u8f38\u51fa\u7bc4\u4f8b\uff1a8<span class=\"hljs-selector-class\">.0<\/span><span class=\"hljs-selector-class\">.200<\/span>\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-4\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">CSS<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">css<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<h2 class=\"wp-block-heading\">\u4e0b\u8f09\u9810\u8a13\u7df4\u6a21\u578b<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ultralytics \u63d0\u4f9b\u591a\u7a2e\u9810\u8a13\u7df4\u6a21\u578b\uff0c\u5dee\u5225\u5728\u65bc\u5927\u5c0f\u548c\u6e96\u78ba\u5ea6\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table>\n<thead>\n<tr>\n<th>\u6a21\u578b<\/th>\n<th>\u53c3\u6578\u91cf<\/th>\n<th>\u901f\u5ea6<\/th>\n<th>\u6e96\u78ba\u5ea6<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>YOLOv8n<\/td>\n<td>3.2M<\/td>\n<td>\u6700\u5feb<\/td>\n<td>\u8f03\u4f4e<\/td>\n<\/tr>\n<tr>\n<td>YOLOv8s<\/td>\n<td>11.2M<\/td>\n<td>\u5feb<\/td>\n<td>\u4e2d\u7b49<\/td>\n<\/tr>\n<tr>\n<td>YOLOv8m<\/td>\n<td>25.9M<\/td>\n<td>\u4e2d\u7b49<\/td>\n<td>\u8f03\u9ad8<\/td>\n<\/tr>\n<tr>\n<td>YOLOv8l<\/td>\n<td>43.7M<\/td>\n<td>\u6162<\/td>\n<td>\u9ad8<\/td>\n<\/tr>\n<tr>\n<td>YOLOv8x<\/td>\n<td>68.2M<\/td>\n<td>\u6700\u6162<\/td>\n<td>\u6700\u9ad8<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b57\u6bcd\u4ee3\u8868\u5927\u5c0f\uff1an\uff08nano\uff09\u3001s\uff08small\uff09\u3001m\uff08medium\uff09\u3001l\uff08large\uff09\u3001x\uff08extra large\uff09\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u65b0\u624b\u5efa\u8b70\u5f9e <code>yolov8n<\/code> \u958b\u59cb\uff0c\u8f15\u91cf\u53c8\u5feb\u901f\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6a21\u578b\u6703\u81ea\u52d5\u4e0b\u8f09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u7b2c\u4e00\u6b21\u4f7f\u7528\u6642\uff0cUltralytics \u6703\u81ea\u52d5\u4e0b\u8f09\u6a21\u578b\u5230 <code>~\/.cache\/ultralytics\/<\/code> \u76ee\u9304\uff1a<\/p>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-5\" data-shcb-language-name=\"PHP\" data-shcb-language-slug=\"php\"><span><code class=\"hljs language-php\">from ultralytics import YOLO\n\n<span class=\"hljs-comment\"># \u7b2c\u4e00\u6b21\u57f7\u884c\u6703\u81ea\u52d5\u4e0b\u8f09 yolov8n.pt<\/span>\nmodel = YOLO(<span class=\"hljs-string\">\"yolov8n.pt\"<\/span>)\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-5\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">PHP<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">php<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\">\u4f60\u4e5f\u53ef\u4ee5\u624b\u52d5\u4e0b\u8f09\uff1a<\/p>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-6\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\">yolo predict model=yolov8n.pt source=https:<span class=\"hljs-comment\">\/\/ultralytics.com\/images\/bus.jpg<\/span>\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-6\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<h2 class=\"wp-block-heading\">CLI \u4f7f\u7528\u65b9\u5f0f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ultralytics \u63d0\u4f9b\u4e86\u65b9\u4fbf\u7684\u547d\u4ee4\u5217\u5de5\u5177\uff0c\u4e0d\u7528\u5beb\u7a0b\u5f0f\u5c31\u80fd\u8dd1\u5075\u6e2c\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u57fa\u672c\u8a9e\u6cd5<\/h3>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\"><span><code class=\"hljs\">yolo predict model=\u6a21\u578b\u6a94 source=\u8f38\u5165\u4f86\u6e90\n<\/code><\/span><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u5075\u6e2c\u5716\u7247<\/h3>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\"><span><code class=\"hljs\">yolo predict model=yolov8n.pt source=image.jpg\n<\/code><\/span><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u5075\u6e2c\u8cc7\u6599\u593e\u5167\u6240\u6709\u5716\u7247<\/h3>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\"><span><code class=\"hljs\">yolo predict model=yolov8n.pt source=.\/images\/\n<\/code><\/span><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u5075\u6e2c\u5f71\u7247<\/h3>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\"><span><code class=\"hljs\">yolo predict model=yolov8n.pt source=video.mp4\n<\/code><\/span><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u4f7f\u7528\u7db2\u8def\u651d\u5f71\u6a5f<\/h3>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\"><span><code class=\"hljs\">yolo predict model=yolov8n.pt source=0\n<\/code><\/span><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u8abf\u6574\u4fe1\u5fc3\u95be\u503c<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u53ea\u986f\u793a\u4fe1\u5fc3\u5ea6\u8d85\u904e 0.5 \u7684\u5075\u6e2c\u7d50\u679c\uff1a<\/p>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\"><span><code class=\"hljs\">yolo predict model=yolov8n.pt source=image.jpg conf=0.5\n<\/code><\/span><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u8f38\u51fa\u7d50\u679c<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u9810\u8a2d\u7d50\u679c\u6703\u5b58\u5230 <code>runs\/detect\/predict\/<\/code> \u76ee\u9304\u3002\u4f60\u53ef\u4ee5\u6307\u5b9a\u8f38\u51fa\u4f4d\u7f6e\uff1a<\/p>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\"><span><code class=\"hljs\">yolo predict model=yolov8n.pt source=image.jpg project=output name=my_result\n<\/code><\/span><\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\">\u7d50\u679c\u6703\u5b58\u5230 <code>output\/my_result\/<\/code>\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Python API \u4f7f\u7528\u65b9\u5f0f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u4f60\u60f3\u5728\u7a0b\u5f0f\u4e2d\u4f7f\u7528 YOLO\uff0cPython API \u66f4\u9748\u6d3b\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6700\u7c21\u55ae\u7684\u7bc4\u4f8b<\/h3>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-7\" data-shcb-language-name=\"PHP\" data-shcb-language-slug=\"php\"><span><code class=\"hljs language-php\">from ultralytics import YOLO\n\n<span class=\"hljs-comment\"># \u8f09\u5165\u9810\u8a13\u7df4\u6a21\u578b<\/span>\nmodel = YOLO(<span class=\"hljs-string\">\"yolov8n.pt\"<\/span>)\n\n<span class=\"hljs-comment\"># \u57f7\u884c\u5075\u6e2c<\/span>\nresults = model(<span class=\"hljs-string\">\"image.jpg\"<\/span>)\n\n<span class=\"hljs-comment\"># \u986f\u793a\u7d50\u679c<\/span>\nresults&#91;<span class=\"hljs-number\">0<\/span>].show()\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-7\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">PHP<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">php<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u5132\u5b58\u7d50\u679c\u5716\u7247<\/h3>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-8\" data-shcb-language-name=\"PHP\" data-shcb-language-slug=\"php\"><span><code class=\"hljs language-php\">from ultralytics import YOLO\n\nmodel = YOLO(<span class=\"hljs-string\">\"yolov8n.pt\"<\/span>)\nresults = model(<span class=\"hljs-string\">\"image.jpg\"<\/span>)\n\n<span class=\"hljs-comment\"># \u5132\u5b58\u6a19\u8a3b\u5f8c\u7684\u5716\u7247<\/span>\nresults&#91;<span class=\"hljs-number\">0<\/span>].save(<span class=\"hljs-string\">\"output.jpg\"<\/span>)\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-8\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">PHP<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">php<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u53d6\u5f97\u5075\u6e2c\u8cc7\u8a0a<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u9019\u662f\u6700\u91cd\u8981\u7684\u90e8\u5206\u2014\u2014\u5982\u4f55\u8b80\u61c2\u5075\u6e2c\u7d50\u679c\uff1a<\/p>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-9\" data-shcb-language-name=\"PHP\" data-shcb-language-slug=\"php\"><span><code class=\"hljs language-php\">from ultralytics import YOLO\n\nmodel = YOLO(<span class=\"hljs-string\">\"yolov8n.pt\"<\/span>)\nresults = model(<span class=\"hljs-string\">\"image.jpg\"<\/span>)\n\n<span class=\"hljs-comment\"># \u53d6\u5f97\u7b2c\u4e00\u5f35\u5716\u7684\u7d50\u679c<\/span>\nresult = results&#91;<span class=\"hljs-number\">0<\/span>]\n\n<span class=\"hljs-comment\"># \u904d\u6b77\u6bcf\u500b\u5075\u6e2c\u5230\u7684\u7269\u4ef6<\/span>\n<span class=\"hljs-keyword\">for<\/span> box in result.boxes:\n    <span class=\"hljs-comment\"># \u53d6\u5f97 bounding box \u5ea7\u6a19 (x1, y1, x2, y2)<\/span>\n    coords = box.xyxy&#91;<span class=\"hljs-number\">0<\/span>].tolist()\n    x1, y1, x2, y2 = coords\n\n    <span class=\"hljs-comment\"># \u53d6\u5f97\u4fe1\u5fc3\u5ea6\uff080-1 \u4e4b\u9593\uff09<\/span>\n    confidence = box.conf&#91;<span class=\"hljs-number\">0<\/span>].item()\n\n    <span class=\"hljs-comment\"># \u53d6\u5f97\u985e\u5225 ID<\/span>\n    class_id = int(box.cls&#91;<span class=\"hljs-number\">0<\/span>].item())\n\n    <span class=\"hljs-comment\"># \u53d6\u5f97\u985e\u5225\u540d\u7a31<\/span>\n    class_name = result.names&#91;class_id]\n\n    <span class=\"hljs-keyword\">print<\/span>(f<span class=\"hljs-string\">\"\u5075\u6e2c\u5230\uff1a{class_name}\"<\/span>)\n    <span class=\"hljs-keyword\">print<\/span>(f<span class=\"hljs-string\">\"  \u4f4d\u7f6e\uff1a({x1:.0f}, {y1:.0f}) \u5230 ({x2:.0f}, {y2:.0f})\"<\/span>)\n    <span class=\"hljs-keyword\">print<\/span>(f<span class=\"hljs-string\">\"  \u4fe1\u5fc3\u5ea6\uff1a{confidence:.2%}\"<\/span>)\n    <span class=\"hljs-keyword\">print<\/span>()\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-9\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">PHP<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">php<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\">\u8f38\u51fa\u7bc4\u4f8b\uff1a<\/p>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-10\" data-shcb-language-name=\"CSS\" data-shcb-language-slug=\"css\"><span><code class=\"hljs language-css\">\u5075\u6e2c\u5230\uff1a<span class=\"hljs-selector-tag\">person<\/span>\n  \u4f4d\u7f6e\uff1a(42, 85) \u5230 (198, 520)\n  \u4fe1\u5fc3\u5ea6\uff1a92<span class=\"hljs-selector-class\">.34<\/span>%\n\n\u5075\u6e2c\u5230\uff1a<span class=\"hljs-selector-tag\">car<\/span>\n  \u4f4d\u7f6e\uff1a(320, 200) \u5230 (580, 380)\n  \u4fe1\u5fc3\u5ea6\uff1a87<span class=\"hljs-selector-class\">.65<\/span>%\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-10\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">CSS<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">css<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<h2 class=\"wp-block-heading\">\u89e3\u8b80\u5075\u6e2c\u7d50\u679c<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u8b93\u6211\u5011\u6df1\u5165\u7406\u89e3 YOLO \u7684\u8f38\u51fa\u683c\u5f0f\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Bounding Box\uff08\u908a\u754c\u6846\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">YOLO \u7528\u77e9\u5f62\u6846\u4f4f\u5075\u6e2c\u5230\u7684\u7269\u4ef6\u3002\u5ea7\u6a19\u6709\u5169\u7a2e\u683c\u5f0f\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>xyxy \u683c\u5f0f<\/strong>\uff08\u5de6\u4e0a\u89d2\u548c\u53f3\u4e0b\u89d2\uff09\uff1a<\/p>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-11\" data-shcb-language-name=\"CSS\" data-shcb-language-slug=\"css\"><span><code class=\"hljs language-css\"><span class=\"hljs-selector-tag\">box<\/span><span class=\"hljs-selector-class\">.xyxy<\/span>  # <span class=\"hljs-selector-tag\">tensor<\/span>(<span class=\"hljs-selector-attr\">&#91;&#91;x1, y1, x2, y2]<\/span>])\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-11\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">CSS<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">css<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<ul class=\"wp-block-list\">\n<li><code>(x1, y1)<\/code>\uff1a\u5de6\u4e0a\u89d2\u5ea7\u6a19<\/li>\n<li><code>(x2, y2)<\/code>\uff1a\u53f3\u4e0b\u89d2\u5ea7\u6a19<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>xywh \u683c\u5f0f<\/strong>\uff08\u4e2d\u5fc3\u9ede\u548c\u5bec\u9ad8\uff09\uff1a<\/p>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-12\" data-shcb-language-name=\"CSS\" data-shcb-language-slug=\"css\"><span><code class=\"hljs language-css\"><span class=\"hljs-selector-tag\">box<\/span><span class=\"hljs-selector-class\">.xywh<\/span>  # <span class=\"hljs-selector-tag\">tensor<\/span>(<span class=\"hljs-selector-attr\">&#91;&#91;cx, cy, w, h]<\/span>])\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-12\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">CSS<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">css<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<ul class=\"wp-block-list\">\n<li><code>(cx, cy)<\/code>\uff1a\u4e2d\u5fc3\u9ede\u5ea7\u6a19<\/li>\n<li><code>(w, h)<\/code>\uff1a\u5bec\u5ea6\u548c\u9ad8\u5ea6<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Confidence\uff08\u4fe1\u5fc3\u5ea6\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u8868\u793a\u6a21\u578b\u5c0d\u9019\u500b\u5075\u6e2c\u7684\u628a\u63e1\u7a0b\u5ea6\uff0c\u7bc4\u570d 0 \u5230 1\uff1a<\/p>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-13\" data-shcb-language-name=\"CSS\" data-shcb-language-slug=\"css\"><span><code class=\"hljs language-css\"><span class=\"hljs-selector-tag\">box<\/span><span class=\"hljs-selector-class\">.conf<\/span>  # <span class=\"hljs-selector-tag\">tensor<\/span>(<span class=\"hljs-selector-attr\">&#91;0.9234]<\/span>)\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-13\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">CSS<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">css<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<ul class=\"wp-block-list\">\n<li>0.9 \u4ee5\u4e0a\uff1a\u5f88\u78ba\u5b9a<\/li>\n<li>0.7-0.9\uff1a\u9084\u883b\u78ba\u5b9a<\/li>\n<li>0.5-0.7\uff1a\u6709\u9ede\u4e0d\u78ba\u5b9a<\/li>\n<li>0.5 \u4ee5\u4e0b\uff1a\u53ef\u80fd\u662f\u8aa4\u5224<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Class\uff08\u985e\u5225\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">YOLOv8 \u9810\u8a13\u7df4\u6a21\u578b\u4f7f\u7528 COCO \u8cc7\u6599\u96c6\uff0c\u80fd\u8fa8\u8b58 80 \u7a2e\u7269\u4ef6\uff1a<\/p>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-14\" data-shcb-language-name=\"PHP\" data-shcb-language-slug=\"php\"><span><code class=\"hljs language-php\"><span class=\"hljs-comment\"># \u985e\u5225 ID\uff08\u6574\u6578\uff09<\/span>\nbox.cls  <span class=\"hljs-comment\"># tensor(&#91;0])  # 0 = person<\/span>\n\n<span class=\"hljs-comment\"># \u67e5\u8a62\u985e\u5225\u540d\u7a31<\/span>\nresult.names&#91;<span class=\"hljs-number\">0<\/span>]  <span class=\"hljs-comment\"># 'person'<\/span>\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-14\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">PHP<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">php<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\">\u5e38\u898b\u985e\u5225\u5c0d\u7167\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>0: person<\/li>\n<li>1: bicycle<\/li>\n<li>2: car<\/li>\n<li>3: motorcycle<\/li>\n<li>5: bus<\/li>\n<li>7: truck<\/li>\n<li>16: dog<\/li>\n<li>17: cat<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b8c\u6574\u5217\u8868\u53ef\u4ee5\u9019\u6a23\u67e5\u770b\uff1a<\/p>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-15\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\"><span class=\"hljs-keyword\">from<\/span> ultralytics <span class=\"hljs-keyword\">import<\/span> YOLO\nmodel = YOLO(<span class=\"hljs-string\">\"yolov8n.pt\"<\/span>)\nprint(model.names)\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-15\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<h2 class=\"wp-block-heading\">\u5b8c\u6574\u7bc4\u4f8b\uff1a\u5075\u6e2c\u5716\u7247\u4e2d\u7684\u6240\u6709\u7269\u4ef6<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u628a\u4ee5\u4e0a\u5b78\u5230\u7684\u4e32\u8d77\u4f86\uff1a<\/p>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-16\" data-shcb-language-name=\"PHP\" data-shcb-language-slug=\"php\"><span><code class=\"hljs language-php\">from ultralytics import YOLO\n\ndef detect_objects(image_path, conf_threshold=<span class=\"hljs-number\">0.5<\/span>):\n    <span class=\"hljs-string\">\"\"<\/span><span class=\"hljs-string\">\"\u5075\u6e2c\u5716\u7247\u4e2d\u7684\u7269\u4ef6\u4e26\u5217\u51fa\u7d50\u679c\"<\/span><span class=\"hljs-string\">\"\"<\/span>\n\n    <span class=\"hljs-comment\"># \u8f09\u5165\u6a21\u578b<\/span>\n    model = YOLO(<span class=\"hljs-string\">\"yolov8n.pt\"<\/span>)\n\n    <span class=\"hljs-comment\"># \u57f7\u884c\u5075\u6e2c\uff0c\u8a2d\u5b9a\u4fe1\u5fc3\u95be\u503c<\/span>\n    results = model(image_path, conf=conf_threshold)\n\n    <span class=\"hljs-comment\"># \u53d6\u5f97\u7d50\u679c<\/span>\n    result = results&#91;<span class=\"hljs-number\">0<\/span>]\n\n    <span class=\"hljs-comment\"># \u7d71\u8a08\u5404\u985e\u5225\u6578\u91cf<\/span>\n    counts = {}\n\n    <span class=\"hljs-keyword\">for<\/span> box in result.boxes:\n        class_id = int(box.cls&#91;<span class=\"hljs-number\">0<\/span>].item())\n        class_name = result.names&#91;class_id]\n        confidence = box.conf&#91;<span class=\"hljs-number\">0<\/span>].item()\n\n        <span class=\"hljs-comment\"># \u7d71\u8a08<\/span>\n        counts&#91;class_name] = counts.get(class_name, <span class=\"hljs-number\">0<\/span>) + <span class=\"hljs-number\">1<\/span>\n\n        <span class=\"hljs-comment\"># \u5370\u51fa\u8a73\u7d30\u8cc7\u8a0a<\/span>\n        coords = box.xyxy&#91;<span class=\"hljs-number\">0<\/span>].tolist()\n        <span class=\"hljs-keyword\">print<\/span>(f<span class=\"hljs-string\">\"{class_name}: {confidence:.1%} @ {&#91;int(c) for c in coords]}\"<\/span>)\n\n    <span class=\"hljs-keyword\">print<\/span>(f<span class=\"hljs-string\">\"\\n\u7e3d\u5171\u5075\u6e2c\u5230 {len(result.boxes)} \u500b\u7269\u4ef6\"<\/span>)\n    <span class=\"hljs-keyword\">print<\/span>(<span class=\"hljs-string\">\"\u5404\u985e\u5225\u6578\u91cf:\"<\/span>, counts)\n\n    <span class=\"hljs-comment\"># \u5132\u5b58\u6a19\u8a3b\u5f8c\u7684\u5716\u7247<\/span>\n    result.save(<span class=\"hljs-string\">\"detected.jpg\"<\/span>)\n    <span class=\"hljs-keyword\">print<\/span>(<span class=\"hljs-string\">\"\u7d50\u679c\u5df2\u5132\u5b58\u5230 detected.jpg\"<\/span>)\n\n<span class=\"hljs-comment\"># \u4f7f\u7528\u7bc4\u4f8b<\/span>\ndetect_objects(<span class=\"hljs-string\">\"street.jpg\"<\/span>)\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-16\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">PHP<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">php<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<h2 class=\"wp-block-heading\">\u5e38\u898b\u554f\u984c<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Q: \u7b2c\u4e00\u6b21\u57f7\u884c\u5f88\u6162\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A: \u7b2c\u4e00\u6b21\u6703\u4e0b\u8f09\u6a21\u578b\u548c\u7de8\u8b6f CUDA kernel\uff0c\u4e4b\u5f8c\u5c31\u5feb\u4e86\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q: \u51fa\u73fe CUDA out of memory\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A: \u8a66\u8a66\u8f03\u5c0f\u7684\u6a21\u578b\uff08\u5982 yolov8n\uff09\u6216\u964d\u4f4e\u5716\u7247\u5927\u5c0f\uff1a<\/p>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-17\" data-shcb-language-name=\"PHP\" data-shcb-language-slug=\"php\"><span><code class=\"hljs language-php\">results = model(<span class=\"hljs-string\">\"image.jpg\"<\/span>, imgsz=<span class=\"hljs-number\">640<\/span>)  <span class=\"hljs-comment\"># \u9810\u8a2d 640\uff0c\u53ef\u4ee5\u6539\u5c0f<\/span>\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-17\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">PHP<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">php<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">Q: \u5075\u6e2c\u4e0d\u5230\u60f3\u8981\u7684\u7269\u4ef6\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A: \u9810\u8a13\u7df4\u6a21\u578b\u53ea\u80fd\u8fa8\u8b58 COCO \u8cc7\u6599\u96c6\u7684 80 \u7a2e\u7269\u4ef6\u3002\u5982\u679c\u4f60\u8981\u5075\u6e2c\u5176\u4ed6\u7269\u4ef6\uff08\u5982\u7279\u5b9a\u96f6\u4ef6\u3001\u7522\u54c1\uff09\uff0c\u9700\u8981\u81ea\u5df1\u8a13\u7df4\u6a21\u578b\uff0c\u9019\u662f\u5f8c\u7e8c\u6587\u7ae0\u7684\u5167\u5bb9\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q: \u5982\u4f55\u63d0\u9ad8\u5075\u6e2c\u6e96\u78ba\u5ea6\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A: \u63db\u7528\u8f03\u5927\u7684\u6a21\u578b\uff08\u5982 yolov8m \u6216 yolov8l\uff09\uff0c\u4f46\u901f\u5ea6\u6703\u8b8a\u6162\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5c0f\u7d50<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u9019\u7bc7\u6211\u5011\u5b78\u6703\u4e86\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u5b89\u88dd Ultralytics<\/strong>\uff1a\u4e00\u884c <code>pip install ultralytics<\/code> \u641e\u5b9a<\/li>\n<li><strong>\u9078\u64c7\u6a21\u578b<\/strong>\uff1an\/s\/m\/l\/x \u4ee3\u8868\u4e0d\u540c\u5927\u5c0f\uff0c\u8d8a\u5927\u8d8a\u6e96\u4f46\u8d8a\u6162<\/li>\n<li><strong>CLI \u7528\u6cd5<\/strong>\uff1a<code>yolo predict model=\u6a21\u578b source=\u4f86\u6e90<\/code> \u5feb\u901f\u6e2c\u8a66<\/li>\n<li><strong>Python API<\/strong>\uff1a\u8f09\u5165\u6a21\u578b\u3001\u57f7\u884c\u5075\u6e2c\u3001\u89e3\u8b80\u7d50\u679c<\/li>\n<li><strong>\u8f38\u51fa\u683c\u5f0f<\/strong>\uff1abounding box \u5ea7\u6a19\u3001confidence \u4fe1\u5fc3\u5ea6\u3001class \u985e\u5225<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0b\u4e00\u7bc7\uff0c\u6211\u5011\u6703\u5b78\u7fd2\u5982\u4f55\u6e96\u5099\u81ea\u5df1\u7684\u8a13\u7df4\u8cc7\u6599\u96c6\uff0c\u70ba\u8a13\u7df4\u81ea\u8a02\u6a21\u578b\u505a\u6e96\u5099\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u5ef6\u4f38\u8cc7\u6e90<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/docs.ultralytics.com\/\">Ultralytics \u5b98\u65b9\u6587\u4ef6<\/a><\/li>\n<li><a href=\"https:\/\/docs.ultralytics.com\/datasets\/detect\/coco\/\">COCO \u8cc7\u6599\u96c6\u985e\u5225\u5217\u8868<\/a><\/li>\n<li><a href=\"https:\/\/github.com\/ultralytics\/ultralytics\">YOLOv8 GitHub<\/a><\/li>\n<\/ul>\n\n\n\n<div id=\"quiz-f336644f\">\n<style>\n#quiz-f336644f .badge {\n        display: inline-block;\n        padding: 4px 10px;\n        border-radius: 12px;\n        font-size: 0.75em;\n        font-weight: bold;\n        margin-left: 8px;\n      }#quiz-f336644f .badge.scenario {\n        background: #ebf8ff;\n        color: #2b6cb0;\n      }#quiz-f336644f .badge.debug {\n        background: #fef3c7;\n        color: #92400e;\n      }#quiz-f336644f .question-adv {\n        background: white;\n        border-radius: 10px;\n        padding: 24px;\n        margin: 20px 0;\n        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);\n        border-left: 4px solid #ed8936;\n      }#quiz-f336644f .question-adv h3 {\n        margin-top: 0;\n        color: #2d3748;\n      }#quiz-f336644f .code-block {\n        background: #1e1e1e;\n        color: #d4d4d4;\n        padding: 14px;\n        border-radius: 6px;\n        font-family: \"Menlo\", \"Monaco\", \"Courier New\", monospace;\n        font-size: 0.9em;\n        overflow-x: auto;\n        margin: 12px 0;\n        white-space: pre-wrap;\n      }#quiz-f336644f .options-adv {\n        list-style: none;\n        padding: 0;\n      }#quiz-f336644f .options-adv li {\n        padding: 14px 16px;\n        margin: 10px 0;\n        border: 2px solid #e2e8f0;\n        border-radius: 8px;\n        cursor: pointer;\n        transition: all 0.2s;\n      }#quiz-f336644f .options-adv li:hover:not(.disabled) {\n        border-color: #ed8936;\n        background: #fffaf0;\n      }#quiz-f336644f .options-adv li.disabled {\n        cursor: default;\n        opacity: 0.7;\n      }#quiz-f336644f .options-adv li.show-answer {\n        border-color: #48bb78;\n        background: #f0fff4;\n      }#quiz-f336644f .options-adv li.wrong {\n        border-color: #fc8181;\n        background: #fff5f5;\n      }#quiz-f336644f .feedback-adv {\n        margin-top: 16px;\n        padding: 14px;\n        border-radius: 8px;\n        display: none;\n        line-height: 1.6;\n      }#quiz-f336644f .feedback-adv.correct {\n        background: #f0fff4;\n        color: #276749;\n        display: block;\n      }#quiz-f336644f .feedback-adv.wrong {\n        background: #fff5f5;\n        color: #c53030;\n        display: block;\n      }#quiz-f336644f .feedback-adv \n      .score-adv {\n        text-align: center;\n        font-size: 1.4em;\n        padding: 24px;\n        background: white;\n        border-radius: 10px;\n        margin-top: 24px;\n        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);\n      }#quiz-f336644f .intro {\n        background: #ebf8ff;\n        padding: 16px;\n        border-radius: 8px;\n        margin-bottom: 20px;\n        color: #2c5282;\n      }\n<\/style>\n<h1>\u9032\u968e\u6e2c\u9a57\uff1aYOLO \u74b0\u5883\u5efa\u7f6e\u8207\u7b2c\u4e00\u500b\u6a21\u578b<\/h1>\n    <div class=\"intro\">\n      <strong>\u6e2c\u9a57\u76ee\u6a19\uff1a<\/strong>\u9a57\u8b49\u4f60\u662f\u5426\u80fd\u5728\u5be6\u969b\u60c5\u5883\u4e2d\u61c9\u7528\u6240\u5b78\u3002<br \/>\n      \u5171 5 \u984c\uff0c\u5305\u542b\u60c5\u5883\u984c\u8207\u932f\u8aa4\u8a3a\u65b7\u984c\u3002\n    <\/div>\n\n    <div class=\"question-adv\" id=\"qAdv1\">\n      <h3>1. \u4f60\u9700\u8981\u5728\u4e00\u500b\u8cc7\u6e90\u6709\u9650\u7684\u5d4c\u5165\u5f0f\u88dd\u7f6e\u4e0a\u90e8\u7f72\u7269\u4ef6\u5075\u6e2c\u529f\u80fd\uff0c\u9700\u8981\u5728\u901f\u5ea6\u548c\u6e96\u78ba\u5ea6\u4e4b\u9593\u53d6\u5f97\u5e73\u8861\u3002\u4f60\u61c9\u8a72\u9078\u64c7\u54ea\u500b\u6a21\u578b\uff1f <span class=\"badge scenario\">\u60c5\u5883\u984c<\/span><\/h3>\n      <ul class=\"options-adv\">\n        <li onclick=\"checkAnswerAdv(1, 'A', 'B')\">A. yolov8x &#8211; \u8ffd\u6c42\u6700\u9ad8\u6e96\u78ba\u5ea6<\/li>\n        <li onclick=\"checkAnswerAdv(1, 'B', 'B')\">B. yolov8n &#8211; \u6700\u8f15\u91cf\u5feb\u901f\uff0c\u9069\u5408\u8cc7\u6e90\u53d7\u9650\u74b0\u5883<\/li>\n        <li onclick=\"checkAnswerAdv(1, 'C', 'B')\">C. yolov8l &#8211; \u5927\u6a21\u578b\u901a\u5e38\u66f4\u7a69\u5b9a<\/li>\n        <li onclick=\"checkAnswerAdv(1, 'D', 'B')\">D. yolov8m &#8211; \u4e2d\u7b49\u5927\u5c0f\u4e00\u5b9a\u662f\u6700\u4f73\u9078\u64c7<\/li>\n      <\/ul>\n      <div class=\"feedback-adv\" id=\"fbAdv1\"><\/div>\n    <\/div>\n\n    <div class=\"question-adv\" id=\"qAdv2\">\n      <h3>2. \u5c0f\u83ef\u57f7\u884c\u5075\u6e2c\u7a0b\u5f0f\u6642\u51fa\u73fe\u4ee5\u4e0b\u932f\u8aa4\u8a0a\u606f\uff0c\u6700\u53ef\u80fd\u7684\u539f\u56e0\u662f\u4ec0\u9ebc\uff1f <span class=\"badge debug\">\u932f\u8aa4\u8a3a\u65b7<\/span><\/h3>\n      <div class=\"code-block\">RuntimeError: CUDA out of memory. Tried to allocate 256.00 MiB<\/div>\n      <ul class=\"options-adv\">\n        <li onclick=\"checkAnswerAdv(2, 'A', 'C')\">A. Python \u7248\u672c\u4e0d\u76f8\u5bb9<\/li>\n        <li onclick=\"checkAnswerAdv(2, 'B', 'C')\">B. Ultralytics \u5957\u4ef6\u5b89\u88dd\u4e0d\u5b8c\u6574<\/li>\n        <li onclick=\"checkAnswerAdv(2, 'C', 'C')\">C. GPU \u8a18\u61b6\u9ad4\u4e0d\u8db3\uff0c\u61c9\u63db\u7528\u8f03\u5c0f\u7684\u6a21\u578b\u6216\u964d\u4f4e\u5716\u7247\u5927\u5c0f<\/li>\n        <li onclick=\"checkAnswerAdv(2, 'D', 'C')\">D. \u8f38\u5165\u7684\u5716\u7247\u683c\u5f0f\u4e0d\u652f\u63f4<\/li>\n      <\/ul>\n      <div class=\"feedback-adv\" id=\"fbAdv2\"><\/div>\n    <\/div>\n\n    <div class=\"question-adv\" id=\"qAdv3\">\n      <h3>3. \u4f60\u60f3\u5f9e\u5075\u6e2c\u7d50\u679c\u4e2d\u7be9\u9078\u51fa\u6240\u6709\u4fe1\u5fc3\u5ea6\u8d85\u904e 80% \u7684\u300cperson\u300d\u985e\u5225\u3002\u6839\u64da\u6587\u4ef6\u5167\u5bb9\uff0c\u4ee5\u4e0b\u54ea\u6bb5\u7a0b\u5f0f\u78bc\u7684\u908f\u8f2f\u662f\u6b63\u78ba\u7684\uff1f <span class=\"badge scenario\">\u60c5\u5883\u984c<\/span><\/h3>\n      <div class=\"code-block\">for box in result.boxes:\n    class_id = int(box.cls[0].item())\n    class_name = result.names[class_id]\n    confidence = box.conf[0].item()\n\n    # \u7be9\u9078\u689d\u4ef6\u5beb\u5728\u9019\u88e1<\/div>\n      <ul class=\"options-adv\">\n        <li onclick=\"checkAnswerAdv(3, 'A', 'B')\">A. if class_name == &#8220;person&#8221; and confidence > 80:<\/li>\n        <li onclick=\"checkAnswerAdv(3, 'B', 'B')\">B. if class_name == &#8220;person&#8221; and confidence > 0.8:<\/li>\n        <li onclick=\"checkAnswerAdv(3, 'C', 'B')\">C. if class_id == &#8220;person&#8221; and confidence > 0.8:<\/li>\n        <li onclick=\"checkAnswerAdv(3, 'D', 'B')\">D. if result.names == &#8220;person&#8221; and box.conf > 80:<\/li>\n      <\/ul>\n      <div class=\"feedback-adv\" id=\"fbAdv3\"><\/div>\n    <\/div>\n\n    <div class=\"question-adv\" id=\"qAdv4\">\n      <h3>4. \u5c0f\u660e\u60f3\u5075\u6e2c\u5de5\u5ee0\u7522\u7dda\u4e0a\u7684\u7279\u5b9a\u96f6\u4ef6\u7455\u75b5\uff0c\u4f46\u57f7\u884c\u9810\u8a13\u7df4\u6a21\u578b\u5f8c\u5b8c\u5168\u5075\u6e2c\u4e0d\u5230\u4efb\u4f55\u7269\u4ef6\u3002\u6839\u64da\u6587\u4ef6\u5167\u5bb9\uff0c\u6700\u53ef\u80fd\u7684\u539f\u56e0\u662f\u4ec0\u9ebc\uff1f <span class=\"badge debug\">\u932f\u8aa4\u8a3a\u65b7<\/span><\/h3>\n      <ul class=\"options-adv\">\n        <li onclick=\"checkAnswerAdv(4, 'A', 'B')\">A. \u5716\u7247\u89e3\u6790\u5ea6\u592a\u4f4e<\/li>\n        <li onclick=\"checkAnswerAdv(4, 'B', 'B')\">B. \u9810\u8a13\u7df4\u6a21\u578b\u53ea\u80fd\u8fa8\u8b58 COCO \u8cc7\u6599\u96c6\u7684 80 \u7a2e\u7269\u4ef6\uff0c\u7279\u5b9a\u96f6\u4ef6\u4e0d\u5728\u5176\u4e2d<\/li>\n        <li onclick=\"checkAnswerAdv(4, 'C', 'B')\">C. \u9700\u8981\u5148\u57f7\u884c nvidia-smi \u555f\u7528 GPU<\/li>\n        <li onclick=\"checkAnswerAdv(4, 'D', 'B')\">D. \u4fe1\u5fc3\u95be\u503c\u8a2d\u5b9a\u592a\u4f4e\u5c0e\u81f4\u904e\u6ffe\u6389\u6240\u6709\u7d50\u679c<\/li>\n      <\/ul>\n      <div class=\"feedback-adv\" id=\"fbAdv4\"><\/div>\n    <\/div>\n\n    <div class=\"question-adv\" id=\"qAdv5\">\n      <h3>5. \u4f60\u9700\u8981\u7528 CLI \u5075\u6e2c images \u8cc7\u6599\u593e\u4e2d\u7684\u6240\u6709\u5716\u7247\uff0c\u53ea\u986f\u793a\u4fe1\u5fc3\u5ea6\u8d85\u904e 0.6 \u7684\u7d50\u679c\uff0c\u4e26\u5c07\u8f38\u51fa\u5b58\u5230 results\/test1 \u76ee\u9304\u3002\u4ee5\u4e0b\u54ea\u500b\u6307\u4ee4\u662f\u6b63\u78ba\u7684\uff1f <span class=\"badge scenario\">\u60c5\u5883\u984c<\/span><\/h3>\n      <ul class=\"options-adv\">\n        <li onclick=\"checkAnswerAdv(5, 'A', 'D')\">A. yolo predict model=yolov8n.pt source=images conf=60 output=results\/test1<\/li>\n        <li onclick=\"checkAnswerAdv(5, 'B', 'D')\">B. yolo detect model=yolov8n.pt source=.\/images\/ conf=0.6 save=results\/test1<\/li>\n        <li onclick=\"checkAnswerAdv(5, 'C', 'D')\">C. yolo predict model=yolov8n.pt source=.\/images\/ threshold=0.6 project=results name=test1<\/li>\n        <li onclick=\"checkAnswerAdv(5, 'D', 'D')\">D. yolo predict model=yolov8n.pt source=.\/images\/ conf=0.6 project=results name=test1<\/li>\n      <\/ul>\n      <div class=\"feedback-adv\" id=\"fbAdv5\"><\/div>\n    <\/div>\n\n    <div class=\"score-adv\" id=\"scoreAdv\" style=\"display:none;\"><\/div>\n<script>\n\n      let answeredAdv = 0;\n      let correctAdv = 0;\n      const totalAdv = 5;\n      const explanationsAdv = {\n        1: \"\u5728\u8cc7\u6e90\u6709\u9650\u7684\u5d4c\u5165\u5f0f\u88dd\u7f6e\u4e0a\uff0cyolov8n\uff08nano\uff09\u662f\u6700\u4f73\u9078\u64c7\u3002\u5b83\u662f\u6240\u6709 YOLOv8 \u6a21\u578b\u4e2d\u6700\u8f15\u91cf\u3001\u6700\u5feb\u901f\u7684\uff0c\u96d6\u7136\u6e96\u78ba\u5ea6\u76f8\u5c0d\u8f03\u4f4e\uff0c\u4f46\u5728\u8cc7\u6e90\u53d7\u9650\u7684\u74b0\u5883\u4e0b\u662f\u552f\u4e00\u53ef\u884c\u7684\u9078\u9805\u3002\u6587\u4ef6\u4e5f\u5efa\u8b70\u65b0\u624b\u5f9e yolov8n \u958b\u59cb\u3002\",\n        2: \"CUDA out of memory \u932f\u8aa4\u8868\u793a GPU \u8a18\u61b6\u9ad4\u4e0d\u8db3\u3002\u6587\u4ef6\u4e2d\u660e\u78ba\u63d0\u5230\u89e3\u6c7a\u65b9\u6cd5\uff1a\u53ef\u4ee5\u63db\u7528\u8f03\u5c0f\u7684\u6a21\u578b\uff08\u5982 yolov8n\uff09\u6216\u964d\u4f4e\u5716\u7247\u5927\u5c0f\uff08\u4f7f\u7528 <code>imgsz=640<\/code> \u53c3\u6578\uff0c\u9810\u8a2d 640 \u53ef\u4ee5\u6539\u66f4\u5c0f\uff09\u3002\",\n        3: \"\u4fe1\u5fc3\u5ea6\uff08confidence\uff09\u7684\u7bc4\u570d\u662f 0 \u5230 1\uff0c\u4e0d\u662f 0 \u5230 100\u3002\u56e0\u6b64 80% \u61c9\u8a72\u5beb\u6210 0.8 \u800c\u4e0d\u662f 80\u3002\u540c\u6642 class_name \u662f\u5b57\u4e32\u6bd4\u8f03\uff0cclass_id \u662f\u6574\u6578\u3002\u6b63\u78ba\u7684\u7be9\u9078\u689d\u4ef6\u662f <code>class_name == \\\"person\\\" and confidence > 0.8<\/code>\u3002\",\n        4: \"YOLOv8 \u9810\u8a13\u7df4\u6a21\u578b\u4f7f\u7528 COCO \u8cc7\u6599\u96c6\uff0c\u53ea\u80fd\u8fa8\u8b58\u5176\u4e2d\u7684 80 \u7a2e\u7269\u4ef6\uff08\u5982 person\u3001car\u3001dog \u7b49\uff09\u3002\u7279\u5b9a\u5de5\u5ee0\u96f6\u4ef6\u7455\u75b5\u4e0d\u5728\u9019 80 \u7a2e\u4e4b\u4e2d\uff0c\u6240\u4ee5\u5b8c\u5168\u5075\u6e2c\u4e0d\u5230\u3002\u8981\u5075\u6e2c\u81ea\u8a02\u7269\u4ef6\uff0c\u9700\u8981\u81ea\u5df1\u8a13\u7df4\u6a21\u578b\u3002\",\n        5: \"\u6839\u64da\u6587\u4ef6\u7684 CLI \u8a9e\u6cd5\uff1a\u4f7f\u7528 <code>yolo predict<\/code> \u9032\u884c\u5075\u6e2c\u3001<code>conf=0.6<\/code> \u8a2d\u5b9a\u4fe1\u5fc3\u95be\u503c\uff08\u6ce8\u610f\u662f 0-1 \u7684\u5c0f\u6578\uff09\u3001<code>project=results name=test1<\/code> \u6307\u5b9a\u8f38\u51fa\u76ee\u9304\u3002\u9078\u9805 A \u7684 conf=60 \u662f\u932f\u8aa4\u7684\u6578\u503c\u683c\u5f0f\uff0c\u9078\u9805 B \u4f7f\u7528\u4e86\u4e0d\u5b58\u5728\u7684 save \u53c3\u6578\uff0c\u9078\u9805 C \u4f7f\u7528\u4e86\u4e0d\u5b58\u5728\u7684 threshold \u53c3\u6578\u3002\"\n      };\n\n      function checkAnswerAdv(qNum, selected, correctAns) {\n        const question = document.getElementById(\"qAdv\" + qNum);\n        if (question.classList.contains(\"answered\")) return;\n\n        question.classList.add(\"answered\");\n        answeredAdv++;\n\n        const options = question.querySelectorAll(\".options-adv li\");\n        options.forEach((opt) => {\n          opt.classList.add(\"disabled\");\n          if (opt.textContent.startsWith(correctAns + \".\")) {\n            opt.classList.add(\"show-answer\");\n          }\n        });\n\n        const feedback = document.getElementById(\"fbAdv\" + qNum);\n        if (selected === correctAns) {\n          correctAdv++;\n          feedback.className = \"feedback-adv correct\";\n          feedback.innerHTML = \"\u2713 \u6b63\u78ba\uff01\" + explanationsAdv[qNum];\n        } else {\n          feedback.className = \"feedback-adv wrong\";\n          feedback.innerHTML =\n            \"\u2717 \u932f\u8aa4\u3002\u6b63\u78ba\u7b54\u6848\u662f \" + correctAns + \"\u3002\" + explanationsAdv[qNum];\n          options.forEach((opt) => {\n            if (opt.textContent.startsWith(selected + \".\")) {\n              opt.classList.add(\"wrong\");\n            }\n          });\n        }\n\n        if (answeredAdv === totalAdv) {\n          const scoreDiv = document.getElementById(\"scoreAdv\");\n          scoreDiv.style.display = \"block\";\n          let msg = \"\";\n          if (correctAdv === totalAdv) msg = \"\ud83c\udfaf \u5b8c\u7f8e\uff01\u4f60\u5df2\u7d93\u6e96\u5099\u597d\u5be6\u6230\u4e86\uff01\";\n          else if (correctAdv >= Math.ceil(totalAdv * 0.8))\n            msg = \"\ud83d\udcaa \u5f88\u68d2\uff01\u518d\u8907\u7fd2\u4e00\u4e0b\u932f\u7684\u984c\u76ee\";\n          else if (correctAdv >= Math.ceil(totalAdv * 0.6))\n            msg = \"\ud83d\udcd6 \u5efa\u8b70\u91cd\u8b80\u76f8\u95dc\u6bb5\u843d\u5f8c\u518d\u8a66\u4e00\u6b21\";\n          else msg = \"\ud83d\udd04 \u5efa\u8b70\u91cd\u65b0\u95b1\u8b80\u6587\u4ef6\uff0c\u7279\u5225\u6ce8\u610f\u64cd\u4f5c\u6d41\u7a0b\";\n          scoreDiv.innerHTML =\n            \"\u6e2c\u9a57\u5b8c\u6210\uff01\u5f97\u5206\uff1a\" + correctAdv + \" \/ \" + totalAdv + \"<br>\" + msg;\n        }\n      }\n    \n<\/script>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u6e2c\u9a57\uff1aYOLO \u74b0\u5883\u5efa\u7f6e\u8207\u7b2c\u4e00\u500b\u6a21\u578b \u5171 5 \u984c\uff0c\u9ede\u9078\u7b54\u6848\u5f8c\u6703\u7acb\u5373\u986f\u793a\u7d50\u679c 1. \u5b89\u88dd Ultralytics [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"rolpb_likes":0,"footnotes":""},"categories":[215,206,405,404],"tags":[406,409,407,408],"class_list":["post-445","post","type-post","status-publish","format-standard","hentry","category-ai-ml","category-l3-","category-yolo","category-404","tag-yolo","tag-409","tag-407","tag-408"],"blocksy_meta":{"styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":7}},"_links":{"self":[{"href":"https:\/\/blog.itsmygo.uk\/wordpress\/wp-json\/wp\/v2\/posts\/445","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.itsmygo.uk\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.itsmygo.uk\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.itsmygo.uk\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.itsmygo.uk\/wordpress\/wp-json\/wp\/v2\/comments?post=445"}],"version-history":[{"count":1,"href":"https:\/\/blog.itsmygo.uk\/wordpress\/wp-json\/wp\/v2\/posts\/445\/revisions"}],"predecessor-version":[{"id":449,"href":"https:\/\/blog.itsmygo.uk\/wordpress\/wp-json\/wp\/v2\/posts\/445\/revisions\/449"}],"wp:attachment":[{"href":"https:\/\/blog.itsmygo.uk\/wordpress\/wp-json\/wp\/v2\/media?parent=445"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.itsmygo.uk\/wordpress\/wp-json\/wp\/v2\/categories?post=445"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.itsmygo.uk\/wordpress\/wp-json\/wp\/v2\/tags?post=445"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}