{"id":959978,"date":"2024-12-27T03:45:35","date_gmt":"2024-12-26T19:45:35","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/959978.html"},"modified":"2024-12-27T03:45:37","modified_gmt":"2024-12-26T19:45:37","slug":"python%e5%a6%82%e4%bd%95%e6%90%ad%e5%bb%baopencv%e7%8e%af%e5%a2%83","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/959978.html","title":{"rendered":"Python\u5982\u4f55\u642d\u5efaopencv\u73af\u5883"},"content":{"rendered":"

\"Python\u5982\u4f55\u642d\u5efaopencv\u73af\u5883\"<\/p>\n

\u642d\u5efaOpenCV\u73af\u5883\u662f\u8fdb\u884c\u8ba1\u7b97\u673a\u89c6\u89c9\u548c\u56fe\u50cf\u5904\u7406\u9879\u76ee\u7684\u7b2c\u4e00\u6b65\u3002Python\u5b89\u88c5OpenCV\u7684\u57fa\u672c\u6b65\u9aa4\u5305\u62ec\uff1a\u5b89\u88c5Python\u3001\u4f7f\u7528pip\u5b89\u88c5OpenCV\u3001\u9a8c\u8bc1\u5b89\u88c5\u3001\u914d\u7f6e\u5f00\u53d1\u73af\u5883\u3002<\/strong> \u5176\u4e2d\uff0c\u4f7f\u7528pip\u5b89\u88c5OpenCV\u662f\u6700\u7b80\u5355\u548c\u6700\u5e38\u7528\u7684\u65b9\u6cd5\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u6bcf\u4e2a\u6b65\u9aa4\u3002<\/p>\n<\/p>\n

\u4e00\u3001Python\u73af\u5883\u51c6\u5907<\/p>\n<\/p>\n

\u5728\u642d\u5efaOpenCV\u73af\u5883\u4e4b\u524d\uff0c\u786e\u4fdd\u60a8\u7684\u8ba1\u7b97\u673a\u4e0a\u5df2\u7ecf\u5b89\u88c5\u4e86Python\u3002Python\u7684\u5b89\u88c5\u975e\u5e38\u7b80\u5355\uff0c\u53ef\u4ee5\u4ecePython\u7684\u5b98\u65b9\u7f51\u7ad9\u4e0b\u8f7d\u6700\u65b0\u7684\u7248\u672c\u3002\u4e0b\u8f7d\u5e76\u8fd0\u884c\u5b89\u88c5\u7a0b\u5e8f\u65f6\uff0c\u786e\u4fdd\u52fe\u9009\u201cAdd Python to PATH\u201d\u9009\u9879\uff0c\u8fd9\u6837\u53ef\u4ee5\u65b9\u4fbf\u540e\u7eed\u7684\u547d\u4ee4\u884c\u64cd\u4f5c\u3002<\/p>\n<\/p>\n

Python\u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u5efa\u8bae\u5b89\u88c5\u4e00\u4e2a\u865a\u62df\u73af\u5883\u7ba1\u7406\u5de5\u5177\uff0c\u5982virtualenv<\/code>\u6216conda<\/code>\u3002\u8fd9\u6837\u53ef\u4ee5\u5728\u4e0d\u540c\u9879\u76ee\u4e2d\u4f7f\u7528\u4e0d\u540c\u7684Python\u5e93\u7248\u672c\uff0c\u800c\u4e0d\u4f1a\u53d1\u751f\u51b2\u7a81\u3002<\/p>\n<\/p>\n

\u4e8c\u3001\u4f7f\u7528pip\u5b89\u88c5OpenCV<\/p>\n<\/p>\n

    \n
  1. \n

    \u5b89\u88c5pip<\/strong><\/p>\n<\/p>\n

    \u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0cPython\u5b89\u88c5\u7a0b\u5e8f\u4f1a\u81ea\u52a8\u5b89\u88c5pip\u3002\u5982\u679c\u6ca1\u6709\uff0c\u53ef\u4ee5\u5728\u547d\u4ee4\u884c\u4e2d\u8f93\u5165\u4ee5\u4e0b\u547d\u4ee4\u6765\u5b89\u88c5pip\uff1a<\/p>\n<\/p>\n

    python -m ensurepip --upgrade<\/p>\n
    <\/code><\/pre>\n<\/p>\n<\/li>\n
  2. \n
    \u5b89\u88c5OpenCV\u5e93<\/strong><\/p>\n<\/p>\n
    \u5728\u547d\u4ee4\u884c\u4e2d\uff0c\u4f7f\u7528pip\u5b89\u88c5OpenCV\u5e93\uff1a<\/p>\n<\/p>\n
    pip install opencv-python<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u540c\u65f6\uff0c\u5b89\u88c5opencv-contrib-python\u5305\u4ee5\u83b7\u53d6\u4e00\u4e9b\u989d\u5916\u7684\u529f\u80fd\u548c\u6a21\u5757\uff1a<\/p>\n<\/p>\n
    pip install opencv-contrib-python<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    pip\u662fPython\u7684\u5305\u7ba1\u7406\u5de5\u5177\uff0c\u4f7f\u7528\u5b83\u53ef\u4ee5\u8f7b\u677e\u5b89\u88c5\u548c\u7ba1\u7406Python\u5e93\u3002<\/strong> \u5b89\u88c5\u65f6\uff0c\u8bf7\u786e\u4fdd\u7f51\u7edc\u8fde\u63a5\u6b63\u5e38\uff0c\u56e0\u4e3apip\u9700\u8981\u4ece\u7f51\u4e0a\u4e0b\u8f7d\u5e93\u6587\u4ef6\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n
    \u4e09\u3001\u9a8c\u8bc1\u5b89\u88c5<\/p>\n<\/p>\n
    \u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u901a\u8fc7\u7b80\u5355\u7684\u6d4b\u8bd5\u6765\u9a8c\u8bc1OpenCV\u662f\u5426\u5b89\u88c5\u6210\u529f\u3002\u6253\u5f00Python\u4ea4\u4e92\u5f0f\u73af\u5883\uff08\u5728\u547d\u4ee4\u884c\u4e2d\u8f93\u5165python<\/code>\uff09\uff0c\u7136\u540e\u8f93\u5165\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p>\n<\/p>\n
    import cv2<\/p>\n
    print(cv2.__version__)<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u5982\u679c\u6ca1\u6709\u9519\u8bef\uff0c\u5e76\u4e14\u8f93\u51fa\u4e86OpenCV\u7684\u7248\u672c\u53f7\uff0c\u8bf4\u660eOpenCV\u5df2\u7ecf\u6210\u529f\u5b89\u88c5\u3002<\/p>\n<\/p>\n
    \u56db\u3001\u914d\u7f6e\u5f00\u53d1\u73af\u5883<\/p>\n<\/p>\n
      \n
    1. \n
      \u9009\u62e9IDE<\/strong><\/p>\n<\/p>\n
      \u9009\u62e9\u4e00\u4e2a\u9002\u5408\u7684\u96c6\u6210\u5f00\u53d1\u73af\u5883\uff08IDE\uff09\u80fd\u591f\u63d0\u9ad8\u5f00\u53d1\u6548\u7387\u3002\u5e38\u7528\u7684Python IDE\u5305\u62ecPyCharm\u3001VS Code\u548cJupyter Notebook\u7b49\u3002<\/p>\n<\/p>\n<\/li>\n
    2. \n
      \u914d\u7f6eIDE<\/strong><\/p>\n<\/p>\n
      \u5728IDE\u4e2d\u8bbe\u7f6ePython\u89e3\u91ca\u5668\u8def\u5f84\u4e3a\u865a\u62df\u73af\u5883\u4e2d\u7684Python\u89e3\u91ca\u5668\u8def\u5f84\uff0c\u786e\u4fdd\u5728\u6b63\u786e\u7684\u73af\u5883\u4e2d\u8fd0\u884c\u4ee3\u7801\u3002<\/p>\n<\/p>\n
      \u5728PyCharm\u4e2d\uff0c\u60a8\u53ef\u4ee5\u901a\u8fc7\u201cFile -> Settings -> Project:  -> Python Interpreter\u201d\u6765\u8bbe\u7f6ePython\u89e3\u91ca\u5668\u3002<\/p>\n<\/p>\n<\/li>\n
    3. \n
      \u5b89\u88c5\u5176\u4ed6\u4f9d\u8d56\u5e93<\/strong><\/p>\n<\/p>\n
      \u6839\u636e\u9879\u76ee\u9700\u6c42\uff0c\u53ef\u80fd\u9700\u8981\u5b89\u88c5\u5176\u4ed6\u76f8\u5173\u7684Python\u5e93\uff0c\u4f8b\u5982NumPy\u3001Matplotlib\u7b49\u3002\u8fd9\u4e9b\u5e93\u53ef\u4ee5\u901a\u8fc7pip\u5b89\u88c5\uff1a<\/p>\n<\/p>\n
      pip install numpy matplotlib<\/p>\n
      <\/code><\/pre>\n<\/p>\n<\/li>\n<\/ol>\n
      \u4e94\u3001OpenCV\u7684\u57fa\u672c\u4f7f\u7528<\/p>\n<\/p>\n
        \n
      1. \n
        \u8bfb\u53d6\u548c\u663e\u793a\u56fe\u50cf<\/strong><\/p>\n<\/p>\n
        \u4f7f\u7528OpenCV\u8bfb\u53d6\u548c\u663e\u793a\u56fe\u50cf\u662f\u56fe\u50cf\u5904\u7406\u7684\u57fa\u672c\u64cd\u4f5c\uff1a<\/p>\n<\/p>\n
        import cv2<\/p>\n
        \u8bfb\u53d6\u56fe\u50cf<\/strong><\/h2>\n
        image = cv2.imread('path_to_image.jpg')<\/p>\n
        \u663e\u793a\u56fe\u50cf<\/strong><\/h2>\n
        cv2.imshow('Image', image)<\/p>\n
        \u7b49\u5f85\u6309\u952e\uff0c\u5173\u95ed\u7a97\u53e3<\/strong><\/h2>\n
        cv2.wAI<\/a>tKey(0)<\/p>\n
        cv2.destroyAllWindows()<\/p>\n
        <\/code><\/pre>\n<\/p>\n<\/li>\n
      2. \n
        \u56fe\u50cf\u5904\u7406<\/strong><\/p>\n<\/p>\n
        OpenCV\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u56fe\u50cf\u5904\u7406\u529f\u80fd\uff0c\u4f8b\u5982\u7070\u5ea6\u8f6c\u6362\u3001\u8fb9\u7f18\u68c0\u6d4b\u3001\u56fe\u50cf\u5e73\u6ed1\u7b49\u3002\u4f8b\u5982\uff0c\u5c06\u56fe\u50cf\u8f6c\u6362\u4e3a\u7070\u5ea6\u56fe\uff1a<\/p>\n<\/p>\n
        gray_image = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY)<\/p>\n
        cv2.imshow('Gray Image', gray_image)<\/p>\n
        cv2.waitKey(0)<\/p>\n
        cv2.destroyAllWindows()<\/p>\n
        <\/code><\/pre>\n<\/p>\n<\/li>\n
      3. \n
        \u6444\u50cf\u5934\u64cd\u4f5c<\/strong><\/p>\n<\/p>\n
        \u4f7f\u7528OpenCV\u53ef\u4ee5\u8f7b\u677e\u8bbf\u95ee\u548c\u64cd\u4f5c\u6444\u50cf\u5934\uff1a<\/p>\n<\/p>\n
        cap = cv2.VideoCapture(0)<\/p>\n
        while True:<\/p>\n
            ret, frame = cap.read()<\/p>\n
            cv2.imshow('Video Frame', frame)<\/p>\n
            if cv2.waitKey(1) & 0xFF == ord('q'):<\/p>\n
                break<\/p>\n
        cap.release()<\/p>\n
        cv2.destroyAllWindows()<\/p>\n
        <\/code><\/pre>\n<\/p>\n<\/li>\n<\/ol>\n
        \u516d\u3001\u89e3\u51b3\u5e38\u89c1\u95ee\u9898<\/p>\n<\/p>\n
          \n
        1. \n
          \u7248\u672c\u517c\u5bb9\u6027<\/strong><\/p>\n<\/p>\n
          \u4e0d\u540c\u7248\u672c\u7684OpenCV\u53ef\u80fd\u4f1a\u5bfc\u81f4\u529f\u80fd\u4e0d\u517c\u5bb9\u7684\u95ee\u9898\u3002\u786e\u4fdd\u6240\u4f7f\u7528\u7684OpenCV\u7248\u672c\u4e0e\u5176\u4ed6\u5e93\u7248\u672c\u517c\u5bb9\u3002<\/p>\n<\/p>\n<\/li>\n
        2. \n
          \u8def\u5f84\u95ee\u9898<\/strong><\/p>\n<\/p>\n
          \u5728\u8bfb\u53d6\u56fe\u50cf\u6216\u89c6\u9891\u6587\u4ef6\u65f6\uff0c\u786e\u4fdd\u6587\u4ef6\u8def\u5f84\u6b63\u786e\u3002\u5982\u679c\u6587\u4ef6\u5728\u5f53\u524d\u5de5\u4f5c\u76ee\u5f55\u4e4b\u5916\uff0c\u8bf7\u4f7f\u7528\u7edd\u5bf9\u8def\u5f84\u3002<\/p>\n<\/p>\n<\/li>\n
        3. \n
          \u6444\u50cf\u5934\u6743\u9650<\/strong><\/p>\n<\/p>\n
          \u5728\u4f7f\u7528\u6444\u50cf\u5934\u65f6\uff0c\u786e\u4fdd\u5e94\u7528\u7a0b\u5e8f\u6709\u6743\u9650\u8bbf\u95ee\u6444\u50cf\u5934\u3002\u67d0\u4e9b\u64cd\u4f5c\u7cfb\u7edf\u53ef\u80fd\u4f1a\u963b\u6b62\u672a\u7ecf\u6388\u6743\u7684\u5e94\u7528\u7a0b\u5e8f\u4f7f\u7528\u6444\u50cf\u5934\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n
          \u4e03\u3001\u8fdb\u4e00\u6b65\u5b66\u4e60OpenCV<\/p>\n<\/p>\n
            \n
          1. \n
            \u6587\u6863\u5b66\u4e60<\/strong><\/p>\n<\/p>\n
            \u5b98\u65b9\u6587\u6863\u662f\u6700\u597d\u7684\u5b66\u4e60\u8d44\u6e90\uff0c\u8be6\u7ec6\u4ecb\u7ecd\u4e86OpenCV\u7684\u6240\u6709\u529f\u80fd\u548c\u4f7f\u7528\u65b9\u6cd5\u3002<\/p>\n<\/p>\n<\/li>\n
          2. \n
            \u6559\u7a0b\u548c\u793a\u4f8b<\/strong><\/p>\n<\/p>\n
            \u5728\u7ebf\u6709\u5f88\u591a\u5173\u4e8eOpenCV\u7684\u6559\u7a0b\u548c\u4ee3\u7801\u793a\u4f8b\uff0c\u53ef\u4ee5\u5e2e\u52a9\u60a8\u5feb\u901f\u4e0a\u624b\u5e76\u638c\u63e1\u57fa\u672c\u64cd\u4f5c\u3002<\/p>\n<\/p>\n<\/li>\n
          3. \n
            \u793e\u533a\u652f\u6301<\/strong><\/p>\n<\/p>\n
            \u52a0\u5165OpenCV\u7684\u793e\u533a\u548c\u8bba\u575b\uff0c\u60a8\u53ef\u4ee5\u4e0e\u5176\u4ed6\u5f00\u53d1\u8005\u4ea4\u6d41\u7ecf\u9a8c\u3001\u89e3\u51b3\u95ee\u9898\uff0c\u5e76\u83b7\u53d6\u6700\u65b0\u7684\u5f00\u53d1\u8d44\u8baf\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n
            \u901a\u8fc7\u672c\u6587\u7684\u8be6\u7ec6\u4ecb\u7ecd\uff0c\u60a8\u5e94\u8be5\u80fd\u591f\u987a\u5229\u642d\u5efaPython\u7684OpenCV\u73af\u5883\uff0c\u5e76\u8fdb\u884c\u4e00\u4e9b\u57fa\u672c\u7684\u56fe\u50cf\u5904\u7406\u64cd\u4f5c\u3002\u968f\u7740\u5b66\u4e60\u7684\u6df1\u5165\uff0c\u60a8\u5c06\u53ef\u4ee5\u4f7f\u7528OpenCV\u5b9e\u73b0\u66f4\u590d\u6742\u7684\u8ba1\u7b97\u673a\u89c6\u89c9\u4efb\u52a1\u3002<\/p>\n<\/p>\n
            \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
             \u5982\u4f55\u5728Python\u4e2d\u5b89\u88c5OpenCV\u5e93\uff1f<\/strong>
            \u8981\u5728Python\u4e2d\u5b89\u88c5OpenCV\u5e93\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528Python\u7684\u5305\u7ba1\u7406\u5de5\u5177pip\u3002\u5728\u7ec8\u7aef\u6216\u547d\u4ee4\u63d0\u793a\u7b26\u4e2d\u8f93\u5165\u4ee5\u4e0b\u547d\u4ee4\uff1a  <\/p>\n
            pip install opencv-python\n<\/code><\/pre>\n
            \u5982\u679c\u9700\u8981\u989d\u5916\u7684\u529f\u80fd\uff0c\u6bd4\u5982\u5bf9\u89c6\u9891\u5904\u7406\u7684\u652f\u6301\uff0c\u53ef\u4ee5\u5b89\u88c5\u989d\u5916\u7684\u5305\uff1a  <\/p>\n
            pip install opencv-python-headless\n<\/code><\/pre>\n
            \u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u60a8\u53ef\u4ee5\u5728Python\u4ee3\u7801\u4e2d\u901a\u8fc7import cv2<\/code>\u6765\u5bfc\u5165OpenCV\u5e93\u8fdb\u884c\u56fe\u50cf\u5904\u7406\u3002<\/p>\n
            \u5728\u642d\u5efaOpenCV\u73af\u5883\u65f6\u5e38\u89c1\u7684\u95ee\u9898\u6709\u54ea\u4e9b\uff1f<\/strong>
            \u5728\u642d\u5efaOpenCV\u73af\u5883\u65f6\uff0c\u7528\u6237\u53ef\u80fd\u4f1a\u9047\u5230\u4e00\u4e9b\u5e38\u89c1\u95ee\u9898\uff0c\u4f8b\u5982\u4f9d\u8d56\u9879\u7f3a\u5931\u3001\u7248\u672c\u4e0d\u517c\u5bb9\u6216\u6743\u9650\u95ee\u9898\u3002\u786e\u4fdd\u60a8\u7684Python\u73af\u5883\u5df2\u7ecf\u66f4\u65b0\uff0c\u5e76\u4e14pip\u4e5f\u662f\u6700\u65b0\u7248\u672c\u3002\u53ef\u4ee5\u901a\u8fc7\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\u6765\u66f4\u65b0pip\uff1a  <\/p>\n
            pip install --upgrade pip\n<\/code><\/pre>\n
            \u82e5\u9047\u5230\u6743\u9650\u95ee\u9898\uff0c\u53ef\u4ee5\u5c1d\u8bd5\u5728\u547d\u4ee4\u524d\u52a0\u4e0asudo<\/code>\uff08\u5bf9\u4e8eLinux\u548cMac\u7528\u6237\uff09\uff0c\u6216\u4f7f\u7528\u7ba1\u7406\u5458\u6743\u9650\u8fd0\u884c\u547d\u4ee4\u63d0\u793a\u7b26\uff08Windows\u7528\u6237\uff09\u3002<\/p>\n
            \u5982\u4f55\u786e\u8ba4OpenCV\u662f\u5426\u6210\u529f\u5b89\u88c5\uff1f<\/strong>
            \u5b89\u88c5OpenCV\u540e\uff0c\u53ef\u4ee5\u901a\u8fc7\u8fd0\u884c\u7b80\u5355\u7684\u4ee3\u7801\u6765\u786e\u8ba4\u5176\u662f\u5426\u6210\u529f\u5b89\u88c5\u3002\u5728Python\u73af\u5883\u4e2d\u8f93\u5165\u4ee5\u4e0b\u4ee3\u7801\uff1a  <\/p>\n
            import cv2\nprint(cv2.__version__)\n<\/code><\/pre>\n
            \u5982\u679c\u663e\u793a\u51faOpenCV\u7684\u7248\u672c\u53f7\uff0c\u8bf4\u660e\u5b89\u88c5\u6210\u529f\u3002\u60a8\u53ef\u4ee5\u8fdb\u4e00\u6b65\u5c1d\u8bd5\u52a0\u8f7d\u4e00\u5f20\u56fe\u7247\u5e76\u663e\u793a\uff0c\u4ee5\u9a8c\u8bc1\u5e93\u7684\u529f\u80fd\u662f\u5426\u6b63\u5e38\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u642d\u5efaOpenCV\u73af\u5883\u662f\u8fdb\u884c\u8ba1\u7b97\u673a\u89c6\u89c9\u548c\u56fe\u50cf\u5904\u7406\u9879\u76ee\u7684\u7b2c\u4e00\u6b65\u3002Python\u5b89\u88c5OpenCV\u7684\u57fa\u672c\u6b65\u9aa4\u5305\u62ec\uff1a\u5b89\u88c5P […]","protected":false},"author":3,"featured_media":959985,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/959978"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=959978"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/959978\/revisions"}],"predecessor-version":[{"id":959986,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/959978\/revisions\/959986"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/959985"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=959978"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=959978"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=959978"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}