{"id":91383,"date":"2026-08-07T19:56:41","date_gmt":"2026-08-07T11:56:41","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/91383.html"},"modified":"2026-08-07T19:56:41","modified_gmt":"2026-08-07T11:56:41","slug":"01-%e8%ae%a1%e7%ae%97%e6%9c%ba%e8%a7%86%e8%a7%89%e6%95%b4%e4%bd%93%e9%93%be%e8%b7%af%e8%a7%a3%e6%9e%90%ef%bc%9a%e5%9b%be%e5%83%8f%e9%87%87%e9%9b%86%e3%80%81%e9%a2%84%e5%a4%84%e7%90%86%e3%80%81","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/91383.html","title":{"rendered":"01-\u8ba1\u7b97\u673a\u89c6\u89c9\u6574\u4f53\u94fe\u8def\u89e3\u6790\uff1a\u56fe\u50cf\u91c7\u96c6\u3001\u9884\u5904\u7406\u3001\u63a8\u7406\u3001\u843d\u5730\u5168\u6d41\u7a0b"},"content":{"rendered":"

\u8ba1\u7b97\u673a\u89c6\u89c9\u6574\u4f53\u94fe\u8def\u89e3\u6790：\u56fe\u50cf\u91c7\u96c6\u3001\u9884\u5904\u7406\u3001\u63a8\u7406\u3001\u843d\u5730\u5168\u6d41\u7a0b<\/h2>\n

\u4f5c\u8005：\u9ed2\u6f02\u6280\u672f\u4f6c
\n\u9002\u7528\u4eba\u7fa4：\u96f6\u57fa\u7840\u5c0f\u767d，\u5bf9\u8ba1\u7b97\u673a\u89c6\u89c9\u611f\u5174\u8da3\u4f46\u4e0d\u77e5\u9053\u4ece\u4f55\u5165\u624b\u7684\u540c\u5b66<\/p>\n

\u4e00\u3001\u8ba1\u7b97\u673a\u89c6\u89c9\u5230\u5e95\u662f\u4e2a\u5565？<\/h3>\n

\u4f60\u5237\u8138\u89e3\u9501\u624b\u673a\u7684\u65f6\u5019，\u8d85\u5e02\u81ea\u52a9\u7ed3\u8d26\u8bc6\u522b\u5546\u54c1\u7684\u65f6\u5019，\u5de5\u5382\u673a\u68b0\u81c2\u6293\u53d6\u96f6\u4ef6\u7684\u65f6\u5019\u2014\u2014\u80cc\u540e\u90fd\u6709\u540c\u4e00\u4e2a\u4e1c\u897f\u5728\u5e72\u6d3b：\u8ba1\u7b97\u673a\u89c6\u89c9（Computer Vision，\u7b80\u79f0CV）\u3002<\/p>\n

\u8bf4\u767d\u4e86，\u8ba1\u7b97\u673a\u89c6\u89c9\u5c31\u662f\u8ba9\u8ba1\u7b97\u673a"\u770b\u61c2"\u56fe\u7247\u548c\u89c6\u9891\u3002\u4eba\u773c\u770b\u5230\u4e00\u74f6\u53ef\u4e50，\u77ac\u95f4\u77e5\u9053"\u8fd9\u662f\u53ef\u4e50"；\u8ba1\u7b97\u673a\u770b\u5230\u7684\u662f\u4e00\u5806\u6570\u5b57（\u50cf\u7d20\u503c），\u5b83\u9700\u8981\u4e00\u5957\u6d41\u7a0b\u628a\u8fd9\u4e9b\u6570\u5b57\u53d8\u6210"\u8fd9\u662f\u4e00\u74f6\u53ef\u4e50"\u8fd9\u4e2a\u7ed3\u8bba\u3002<\/p>\n

\u8fd9\u5957\u6d41\u7a0b，\u5c31\u662f\u6211\u4eec\u4eca\u5929\u8981\u804a\u7684\u5b8c\u6574\u94fe\u8def\u3002<\/p>\n

\u4e8c\u3001\u5b8c\u6574\u94fe\u8def\u5168\u666f\u56fe<\/h3>\n

\u4e00\u4e2a\u5de5\u4e1a\u7ea7\u8ba1\u7b97\u673a\u89c6\u89c9\u7cfb\u7edf，\u4ece\u56fe\u50cf\u8f93\u5165\u5230\u6700\u7ec8\u843d\u5730，\u901a\u5e38\u7ecf\u8fc7\u4ee5\u4e0b\u51e0\u4e2a\u73af\u8282：<\/p>\n

\u56fe\u50cf\u91c7\u96c6 \u2192 \u9884\u5904\u7406 \u2192 \u6a21\u578b\u63a8\u7406 \u2192 \u540e\u5904\u7406 \u2192 \u4e1a\u52a1\u903b\u8f91\u843d\u5730<\/p>\n

\u522b\u770b\u53ea\u6709\u4e94\u6b65，\u6bcf\u4e00\u6b65\u90fd\u6709\u5751\u3002\u4e0b\u9762\u9010\u4e2a\u62c6\u89e3\u3002<\/p>\n

\u4e09\u3001\u7b2c\u4e00\u6b65：\u56fe\u50cf\u91c7\u96c6<\/h3>\n

\u56fe\u50cf\u91c7\u96c6\u662f\u6574\u4e2a\u94fe\u8def\u7684\u8d77\u70b9，\u8bf4\u767d\u4e86\u5c31\u662f\u600e\u4e48\u628a\u73b0\u5b9e\u4e16\u754c\u7684\u753b\u9762\u53d8\u6210\u8ba1\u7b97\u673a\u80fd\u5904\u7406\u7684\u6570\u5b57\u56fe\u50cf\u3002<\/p>\n

\u91c7\u96c6\u8bbe\u5907\u6709\u54ea\u4e9b？<\/h4>\n\n\u8bbe\u5907\u7c7b\u578b\u7279\u70b9\u5178\u578b\u573a\u666f<\/tr>\n\n\n\n\n\n
USB\u6444\u50cf\u5934<\/td>\n\u4fbf\u5b9c\u3001\u5373\u63d2\u5373\u7528\u3001\u5206\u8fa8\u7387\u4e00\u822c<\/td>\n\u5b9e\u9a8c\u5ba4\u539f\u578b\u3001\u65e0\u4eba\u552e\u8d27\u67dc<\/td>\n<\/tr>\n
\u5de5\u4e1a\u76f8\u673a（GigE\/USB3.0）<\/td>\n\u9ad8\u5e27\u7387\u3001\u9ad8\u5206\u8fa8\u7387\u3001\u53ef\u89e6\u53d1<\/td>\n\u4ea7\u7ebf\u68c0\u6d4b\u3001\u673a\u68b0\u81c2\u89c6\u89c9<\/td>\n<\/tr>\n
\u6df1\u5ea6\u76f8\u673a（RGB-D）<\/td>\n\u540c\u65f6\u83b7\u53d6\u5f69\u8272\u56fe+\u6df1\u5ea6\u4fe1\u606f<\/td>\n\u673a\u5668\u4eba\u907f\u969c\u30013D\u6293\u53d6<\/td>\n<\/tr>\n
\u7f51\u7edc\u6444\u50cf\u5934（IP Camera）<\/td>\n\u8fdc\u7a0b\u4f20\u8f93\u3001\u5e03\u7ebf\u7075\u6d3b<\/td>\n\u667a\u6167\u519c\u4e1a\u5927\u68da\u76d1\u63a7<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u5173\u952e\u53c2\u6570<\/h4>\n
    \n
  • \u5206\u8fa8\u7387：\u56fe\u50cf\u7684\u50cf\u7d20\u5c3a\u5bf8，\u59821920\u00d71080\u3002\u5206\u8fa8\u7387\u8d8a\u9ad8，\u7ec6\u8282\u8d8a\u4e30\u5bcc，\u4f46\u8ba1\u7b97\u91cf\u4e5f\u8d8a\u5927\u3002<\/li>\n
  • \u5e27\u7387（FPS）：\u6bcf\u79d2\u91c7\u96c6\u591a\u5c11\u5e27\u56fe\u50cf\u3002\u65e0\u4eba\u552e\u8d27\u67dc\u4e00\u822c15-30fps\u5c31\u591f\u4e86，\u5de5\u4e1a\u68c0\u6d4b\u53ef\u80fd\u9700\u898160fps\u4ee5\u4e0a\u3002<\/li>\n
  • \u66dd\u5149\u65f6\u95f4：\u51b3\u5b9a\u56fe\u50cf\u4eae\u4e0d\u4eae\u3002\u592a\u6697\u770b\u4e0d\u6e05，\u592a\u4eae\u4f1a\u8fc7\u66dd\u3002<\/li>\n<\/ul>\n

    \u5b9e\u6218\u63d0\u9192：\u5f88\u591a\u65b0\u624b\u4ee5\u4e3a\u6a21\u578b\u4e0d\u884c，\u5176\u5b9e\u662f\u56fe\u50cf\u91c7\u96c6\u73af\u8282\u51fa\u4e86\u95ee\u9898\u2014\u2014\u5149\u7ebf\u4e0d\u8db3\u3001\u6444\u50cf\u5934\u6296\u52a8\u3001\u5206\u8fa8\u7387\u592a\u4f4e，\u518d\u597d\u7684\u6a21\u578b\u4e5f\u767d\u642d\u3002\u5783\u573e\u8fdb，\u5783\u573e\u51fa（Garbage In, Garbage Out），\u8fd9\u662fCV\u9886\u57df\u7684\u94c1\u5f8b\u3002<\/p>\n

    \u56db\u3001\u7b2c\u4e8c\u6b65：\u56fe\u50cf\u9884\u5904\u7406<\/h3>\n

    \u91c7\u96c6\u5230\u7684\u539f\u59cb\u56fe\u50cf，\u901a\u5e38\u4e0d\u80fd\u76f4\u63a5\u4e22\u7ed9\u6a21\u578b，\u9700\u8981\u5148"\u6536\u62fe\u4e00\u4e0b"\u3002<\/p>\n

    \u5e38\u89c1\u9884\u5904\u7406\u64cd\u4f5c<\/h4>\n

    1. \u7f29\u653e（Resize）<\/p>\n

    \u6a21\u578b\u901a\u5e38\u8981\u6c42\u56fa\u5b9a\u5c3a\u5bf8\u7684\u8f93\u5165，\u6bd4\u5982640\u00d7640\u3002\u4f46\u6444\u50cf\u5934\u62cd\u51fa\u6765\u7684\u662f1920\u00d71080，\u600e\u4e48\u529e？\u7f29\u653e\u3002<\/p>\n

    import<\/span> cv2<\/p>\n

    # \u8bfb\u53d6\u539f\u56fe<\/span>
    \nimg =<\/span> cv2.<\/span>imread(<\/span>"product.jpg"<\/span>)<\/span>
    \n# \u7f29\u653e\u5230\u6a21\u578b\u9700\u8981\u7684\u5c3a\u5bf8<\/span>
    \nimg_resized =<\/span> cv2.<\/span>resize(<\/span>img,<\/span> (<\/span>640<\/span>,<\/span> 640<\/span>)<\/span>)<\/span><\/p>\n

    2. \u5f52\u4e00\u5316（Normalization）<\/p>\n

    \u50cf\u7d20\u503c\u8303\u56f4\u662f0-255，\u4f46\u6a21\u578b\u559c\u6b220-1\u6216\u8005-1\u52301\u4e4b\u95f4\u7684\u5c0f\u6570\u3002\u5f52\u4e00\u5316\u5c31\u662f\u628a\u50cf\u7d20\u503c\u9664\u4ee5255（\u6216\u505a\u66f4\u590d\u6742\u7684\u6807\u51c6\u5316），\u8ba9\u6570\u503c\u8303\u56f4\u53d8\u5c0f，\u6a21\u578b\u8bad\u7ec3\u66f4\u7a33\u5b9a\u3002<\/p>\n

    # \u5f52\u4e00\u5316\u5230 0~1<\/span>
    \nimg_normalized =<\/span> img_resized \/<\/span> 255.0<\/span><\/p>\n

    3. \u989c\u8272\u7a7a\u95f4\u8f6c\u6362<\/p>\n

    OpenCV\u9ed8\u8ba4\u8bfb\u53d6\u662fBGR\u987a\u5e8f，\u4f46\u5f88\u591a\u6a21\u578b\u8bad\u7ec3\u65f6\u7528\u7684\u662fRGB，\u4e0d\u8f6c\u6362\u7684\u8bdd\u989c\u8272\u5c31\u4e71\u4e86\u3002<\/p>\n

    img_rgb =<\/span> cv2.<\/span>cvtColor(<\/span>img_resized,<\/span> cv2.<\/span>COLOR_BGR2RGB)<\/span><\/p>\n

    4. \u5176\u4ed6\u589e\u5f3a\u64cd\u4f5c<\/p>\n

    \u5728\u8bad\u7ec3\u9636\u6bb5\u8fd8\u4f1a\u7528\u5230：\u7ffb\u8f6c\u3001\u65cb\u8f6c\u3001\u88c1\u526a\u3001\u8272\u5f69\u6296\u52a8\u7b49\u6570\u636e\u589e\u5f3a\u624b\u6bb5，\u76ee\u7684\u662f\u8ba9\u6a21\u578b\u89c1\u591a\u8bc6\u5e7f，\u63d0\u9ad8\u6cdb\u5316\u80fd\u529b\u3002\u4e0d\u8fc7\u63a8\u7406\u9636\u6bb5\u4e00\u822c\u4e0d\u505a\u8fd9\u4e9b\u3002<\/p>\n

    \u4e94\u3001\u7b2c\u4e09\u6b65：\u6a21\u578b\u63a8\u7406<\/h3>\n

    \u8fd9\u662f\u6574\u4e2a\u94fe\u8def\u7684\u6838\u5fc3\u73af\u8282\u2014\u2014\u628a\u9884\u5904\u7406\u540e\u7684\u56fe\u50cf\u5582\u7ed9\u8bad\u7ec3\u597d\u7684\u6a21\u578b，\u8ba9\u6a21\u578b\u8f93\u51fa\u68c0\u6d4b\u7ed3\u679c\u3002<\/p>\n

    \u63a8\u7406\u8fc7\u7a0b\u53d1\u751f\u4e86\u4ec0\u4e48？<\/h4>\n

    \u6a21\u578b\u672c\u8d28\u4e0a\u662f\u4e00\u4e2a\u8d85\u590d\u6742\u7684\u6570\u5b66\u51fd\u6570\u3002\u8f93\u5165\u662f\u4e00\u5f20\u56fe\u50cf（\u591a\u7ef4\u6570\u7ec4），\u8f93\u51fa\u662f\u68c0\u6d4b\u7ed3\u679c\u2014\u2014\u901a\u5e38\u5305\u62ec\u6bcf\u4e2a\u76ee\u6807\u7684\u7c7b\u522b\u3001\u4f4d\u7f6e\u5750\u6807\u3001\u7f6e\u4fe1\u5ea6\u3002<\/p>\n

    \u8f93\u5165\u56fe\u50cf (1, 3, 640, 640)
    \n \u2193
    \n \u795e\u7ecf\u7f51\u7edc\u6a21\u578b
    \n \u2193
    \n\u8f93\u51fa: [\u7c7b\u522b=\u53ef\u4e50, \u5750\u6807=(100,50,200,300), \u7f6e\u4fe1\u5ea6=0.92]
    \n [\u7c7b\u522b=\u85af\u7247, \u5750\u6807=(300,50,450,280), \u7f6e\u4fe1\u5ea6=0.87]<\/p>\n

    \u63a8\u7406\u6846\u67b6\u9009\u62e9<\/h4>\n\n\u6846\u67b6\u7279\u70b9\u9002\u7528\u573a\u666f<\/tr>\n\n\n\n\n\n
    PyTorch<\/td>\n\u7075\u6d3b\u3001\u6613\u8c03\u8bd5<\/td>\n\u7814\u53d1\u3001\u8bad\u7ec3<\/td>\n<\/tr>\n
    ONNX Runtime<\/td>\n\u8de8\u5e73\u53f0\u3001\u90e8\u7f72\u53cb\u597d<\/td>\n\u670d\u52a1\u7aef\u63a8\u7406<\/td>\n<\/tr>\n
    TensorRT<\/td>\nNVIDIA GPU\u6781\u901f\u63a8\u7406<\/td>\n\u9ad8\u6027\u80fd\u670d\u52a1\u7aef<\/td>\n<\/tr>\n
    NCNN\/MNN<\/td>\n\u79fb\u52a8\u7aef\u8f7b\u91cf<\/td>\n\u5d4c\u5165\u5f0f\u3001\u624b\u673a<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    \u65e0\u4eba\u552e\u8d27\u67dc\u573a\u666f\u4e3e\u4f8b：\u67dc\u5b50\u91cc\u901a\u5e38\u90e8\u7f72\u4e00\u4e2a\u8fb9\u7f18\u8ba1\u7b97\u76d2\u5b50（\u5982RK3588），\u672c\u5730\u8fd0\u884cYOLO\u6a21\u578b，\u5b9e\u65f6\u8bc6\u522b\u987e\u5ba2\u62ff\u53d6\u7684\u5546\u54c1\u3002\u4e0d\u9700\u8981\u4e0a\u4f20\u4e91\u7aef，\u5ef6\u8fdf\u4f4e\u3001\u9690\u79c1\u597d\u3002<\/p>\n

    \u516d\u3001\u7b2c\u56db\u6b65：\u540e\u5904\u7406<\/h3>\n

    \u6a21\u578b\u76f4\u63a5\u5410\u51fa\u6765\u7684\u7ed3\u679c\u901a\u5e38\u662f"\u7c97\u7cd9"\u7684\u2014\u2014\u540c\u4e00\u4e2a\u5546\u54c1\u53ef\u80fd\u88ab\u68c0\u6d4b\u51fa\u597d\u51e0\u4e2a\u91cd\u53e0\u7684\u6846，\u8fd8\u6709\u4e9b\u4f4e\u7f6e\u4fe1\u5ea6\u7684\u8bef\u68c0\u3002\u540e\u5904\u7406\u5c31\u662f\u628a\u8fd9\u4e9b\u7c97\u7cd9\u7ed3\u679c\u53d8\u6210\u5e72\u51c0\u53ef\u7528\u7684\u7ed3\u679c\u3002<\/p>\n

    \u6700\u6838\u5fc3\u7684\u540e\u5904\u7406：NMS（\u975e\u6781\u5927\u503c\u6291\u5236）<\/h4>\n

    \u5f53\u6a21\u578b\u5bf9\u540c\u4e00\u4e2a\u5546\u54c1\u9884\u6d4b\u4e863\u4e2a\u91cd\u53e0\u7684\u6846\u65f6，NMS\u4f1a\u4fdd\u7559\u7f6e\u4fe1\u5ea6\u6700\u9ad8\u7684\u90a3\u4e2a，\u628a\u5176\u4f59\u91cd\u53e0\u5ea6\u9ad8\u7684\u6846\u5e72\u6389\u3002<\/p>\n

    NMS\u524d: 3\u4e2a\u6846\u90fd\u6846\u7740\u540c\u4e00\u74f6\u53ef\u4e50
    \n \u2193 NMS\u5904\u7406
    \nNMS\u540e: \u53ea\u4fdd\u75591\u4e2a\u6700\u9760\u8c31\u7684\u6846<\/p>\n

    NMS\u7684\u539f\u7406\u7ec6\u8282\u6211\u4eec\u4f1a\u5728\u540e\u7eed\u6587\u7ae0\u4e2d\u4e13\u95e8\u8bb2\u89e3，\u8fd9\u91cc\u5148\u77e5\u9053\u5b83\u7684\u4f5c\u7528\u5c31\u884c\u3002<\/p>\n

    \u5176\u4ed6\u540e\u5904\u7406<\/h4>\n
      \n
    • \u7f6e\u4fe1\u5ea6\u8fc7\u6ee4：\u628a\u7f6e\u4fe1\u5ea6\u4f4e\u4e8e\u9608\u503c（\u59820.5）\u7684\u68c0\u6d4b\u7ed3\u679c\u76f4\u63a5\u4e22\u5f03\u3002<\/li>\n
    • \u5750\u6807\u8f6c\u6362：\u628a\u6a21\u578b\u8f93\u51fa\u7684\u5f52\u4e00\u5316\u5750\u6807\u8f6c\u56de\u539f\u56fe\u50cf\u7d20\u5750\u6807\u3002<\/li>\n
    • \u4e1a\u52a1\u8fc7\u6ee4：\u6bd4\u5982\u65e0\u4eba\u552e\u8d27\u67dc\u53ea\u5173\u5fc3\u5546\u54c1\u7c7b\u522b，\u68c0\u6d4b\u5230"\u4eba\u624b"\u53ef\u4ee5\u5ffd\u7565\u3002<\/li>\n<\/ul>\n

      \u4e03\u3001\u7b2c\u4e94\u6b65：\u4e1a\u52a1\u903b\u8f91\u843d\u5730<\/h3>\n

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