{"id":925498,"date":"2024-12-26T15:31:56","date_gmt":"2024-12-26T07:31:56","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/925498.html"},"modified":"2024-12-26T15:31:58","modified_gmt":"2024-12-26T07:31:58","slug":"python%e5%a6%82%e4%bd%95opencv","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/925498.html","title":{"rendered":"python\u5982\u4f55opencv"},"content":{"rendered":"

\"python\u5982\u4f55opencv\"<\/p>\n

\u4f7f\u7528Python\u8fdb\u884cOpenCV\u7f16\u7a0b\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\uff1a\u5b89\u88c5OpenCV\u5e93\u3001\u5bfc\u5165OpenCV\u6a21\u5757\u3001\u52a0\u8f7d\u56fe\u50cf\u6216\u89c6\u9891\u3001\u8fdb\u884c\u56fe\u50cf\u5904\u7406\u3001\u663e\u793a\u7ed3\u679c\u3002<\/strong> \u5176\u4e2d\uff0c\u5b89\u88c5OpenCV\u5e93<\/strong>\u662f\u7b2c\u4e00\u6b65\u3002\u53ef\u4ee5\u901a\u8fc7Python\u7684\u5305\u7ba1\u7406\u5de5\u5177pip\u8fdb\u884c\u5b89\u88c5\uff0c\u5982pip install opencv-python<\/code>\u3002\u63a5\u4e0b\u6765\uff0c\u5bfc\u5165OpenCV\u6a21\u5757cv2<\/code>\uff0c\u7136\u540e\u52a0\u8f7d\u56fe\u50cf\u6216\u89c6\u9891\u6570\u636e\uff0c\u4f7f\u7528OpenCV\u63d0\u4f9b\u7684\u4e30\u5bcc\u51fd\u6570\u8fdb\u884c\u56fe\u50cf\u5904\u7406\u548c\u5206\u6790\uff0c\u6700\u540e\u5c06\u5904\u7406\u7ed3\u679c\u53ef\u89c6\u5316\u663e\u793a\u51fa\u6765\u3002\u8be6\u7ec6\u6b65\u9aa4\u5982\u4e0b\uff1a<\/p>\n<\/p>\n

\u4e00\u3001\u5b89\u88c5\u4e0e\u73af\u5883\u914d\u7f6e<\/p>\n<\/p>\n

\u8981\u5728Python\u4e2d\u4f7f\u7528OpenCV\uff0c\u9996\u5148\u9700\u8981\u786e\u4fddPython\u73af\u5883\u5df2\u7ecf\u5b89\u88c5\uff0c\u5e76\u4e14\u5df2\u7ecf\u5b89\u88c5\u4e86OpenCV\u5e93\u3002\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u5b8c\u6210\u8fd9\u4e00\u8fc7\u7a0b\uff1a<\/p>\n<\/p>\n

    \n
  1. \n

    \u5b89\u88c5Python\u548cpip<\/strong><\/p>\n<\/p>\n

    \u5982\u679c\u4f60\u8fd8\u6ca1\u6709\u5b89\u88c5Python\uff0c\u53ef\u4ee5\u4ecePython\u7684\u5b98\u65b9\u7f51\u7ad9\u4e0b\u8f7d\u5e76\u5b89\u88c5\u6700\u65b0\u7248\u672c\u3002\u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u786e\u4fddpip\uff08Python\u5305\u7ba1\u7406\u5de5\u5177\uff09\u4e5f\u4e00\u540c\u5b89\u88c5\u3002<\/p>\n<\/p>\n<\/li>\n

  2. \n

    \u5b89\u88c5OpenCV\u5e93<\/strong><\/p>\n<\/p>\n

    \u4f7f\u7528pip\u547d\u4ee4\u5b89\u88c5OpenCV\u5e93\u3002\u901a\u5e38\uff0c\u5b89\u88c5\u7684\u5e93\u6709\u4e24\u4e2a\uff1aopencv-python<\/code>\u548copencv-python-headless<\/code>\uff0c\u540e\u8005\u7528\u4e8e\u6ca1\u6709GUI\u7684\u73af\u5883\u4e2d\u3002<\/p>\n<\/p>\n

    pip install opencv-python<\/p>\n
    pip install opencv-python-headless<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u53ef\u80fd\u8fd8\u9700\u8981\u5b89\u88c5opencv-contrib-python<\/code>\u4ee5\u83b7\u5f97\u4e00\u4e9b\u9644\u52a0\u6a21\u5757\uff1a<\/p>\n<\/p>\n
    pip install opencv-contrib-python<\/p>\n
    <\/code><\/pre>\n<\/p>\n<\/li>\n
  3. \n
    \u9a8c\u8bc1\u5b89\u88c5<\/strong><\/p>\n<\/p>\n
    \u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u53ef\u4ee5\u901a\u8fc7Python\u4ea4\u4e92\u73af\u5883\u9a8c\u8bc1\u5b89\u88c5\u662f\u5426\u6210\u529f\uff1a<\/p>\n<\/p>\n
    import cv2<\/p>\n
    print(cv2.__version__)<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u8fd9\u5c06\u8f93\u51faOpenCV\u7684\u7248\u672c\u53f7\uff0c\u5982\u679c\u6ca1\u6709\u9519\u8bef\u5219\u8868\u793a\u5b89\u88c5\u6210\u529f\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n
    \u4e8c\u3001\u5bfc\u5165OpenCV\u6a21\u5757<\/p>\n<\/p>\n
    \u5728\u6210\u529f\u5b89\u88c5OpenCV\u5e93\u4e4b\u540e\uff0c\u63a5\u4e0b\u6765\u9700\u8981\u5728Python\u811a\u672c\u4e2d\u5bfc\u5165OpenCV\u6a21\u5757\u3002\u901a\u5e38\u5bfc\u5165cv2<\/code>\u6a21\u5757\u5373\u53ef\uff1a<\/p>\n<\/p>\n
    import cv2<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u4e09\u3001\u56fe\u50cf\u548c\u89c6\u9891\u7684\u52a0\u8f7d<\/p>\n<\/p>\n
    OpenCV\u63d0\u4f9b\u4e86\u7b80\u5355\u7684\u65b9\u6cd5\u6765\u52a0\u8f7d\u548c\u5904\u7406\u56fe\u50cf\u548c\u89c6\u9891\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u4f7f\u7528OpenCV\u52a0\u8f7d\u56fe\u50cf\u548c\u89c6\u9891\u7684\u57fa\u672c\u6b65\u9aa4\uff1a<\/p>\n<\/p>\n
      \n
    1. \n
      \u52a0\u8f7d\u56fe\u50cf<\/strong><\/p>\n<\/p>\n
      \u4f7f\u7528cv2.imread()<\/code>\u51fd\u6570\u6765\u52a0\u8f7d\u56fe\u50cf\u3002\u8be5\u51fd\u6570\u8fd4\u56de\u4e00\u4e2a\u591a\u7ef4\u6570\u7ec4\uff0c\u8868\u793a\u56fe\u50cf\u7684\u50cf\u7d20\u503c\u3002<\/p>\n<\/p>\n
      image = cv2.imread('path_to_image.jpg')<\/p>\n
      <\/code><\/pre>\n<\/p>\n
      \u5982\u679c\u60f3\u8981\u68c0\u67e5\u56fe\u50cf\u52a0\u8f7d\u662f\u5426\u6210\u529f\uff0c\u53ef\u4ee5\u6253\u5370\u56fe\u50cf\u7684\u5f62\u72b6\uff1a<\/p>\n<\/p>\n
      print(image.shape)<\/p>\n
      <\/code><\/pre>\n<\/p>\n<\/li>\n
    2. \n
      \u52a0\u8f7d\u89c6\u9891<\/strong><\/p>\n<\/p>\n
      \u5bf9\u4e8e\u89c6\u9891\uff0c\u53ef\u4ee5\u4f7f\u7528cv2.VideoCapture()<\/code>\u51fd\u6570\u3002\u8fd9\u4e2a\u51fd\u6570\u8fd4\u56de\u4e00\u4e2a\u89c6\u9891\u6355\u83b7\u5bf9\u8c61\uff0c\u53ef\u4ee5\u7528\u4e8e\u9010\u5e27\u8bfb\u53d6\u89c6\u9891\u3002<\/p>\n<\/p>\n
      cap = cv2.VideoCapture('path_to_video.mp4')<\/p>\n
      <\/code><\/pre>\n<\/p>\n
      \u8bfb\u53d6\u89c6\u9891\u7684\u6bcf\u4e00\u5e27\u53ef\u4ee5\u4f7f\u7528cap.read()<\/code>\u51fd\u6570\uff1a<\/p>\n<\/p>\n
      while True:<\/p>\n
          ret, frame = cap.read()<\/p>\n
          if not ret:<\/p>\n
              break<\/p>\n
          # \u5bf9frame\u8fdb\u884c\u5904\u7406<\/p>\n
      <\/code><\/pre>\n<\/p>\n<\/li>\n<\/ol>\n
      \u56db\u3001\u57fa\u672c\u56fe\u50cf\u5904\u7406\u64cd\u4f5c<\/p>\n<\/p>\n
      OpenCV\u63d0\u4f9b\u4e86\u8bb8\u591a\u56fe\u50cf\u5904\u7406\u529f\u80fd\uff0c\u5305\u62ec\u4f46\u4e0d\u9650\u4e8e\u56fe\u50cf\u8f6c\u6362\u3001\u8fc7\u6ee4\u3001\u8fb9\u7f18\u68c0\u6d4b\u7b49\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u56fe\u50cf\u5904\u7406\u64cd\u4f5c\uff1a<\/p>\n<\/p>\n
        \n
      1. \n
        \u7070\u5ea6\u8f6c\u6362<\/strong><\/p>\n<\/p>\n
        \u53ef\u4ee5\u4f7f\u7528cv2.cvtColor()<\/code>\u51fd\u6570\u5c06\u5f69\u8272\u56fe\u50cf\u8f6c\u6362\u4e3a\u7070\u5ea6\u56fe\u50cf\uff1a<\/p>\n<\/p>\n
        gray_image = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY)<\/p>\n
        <\/code><\/pre>\n<\/p>\n<\/li>\n
      2. \n
        \u9ad8\u65af\u6a21\u7cca<\/strong><\/p>\n<\/p>\n
        \u4f7f\u7528cv2.GaussianBlur()<\/code>\u51fd\u6570\u53ef\u4ee5\u5bf9\u56fe\u50cf\u8fdb\u884c\u9ad8\u65af\u6a21\u7cca\u5904\u7406\uff1a<\/p>\n<\/p>\n
        blurred_image = cv2.GaussianBlur(image, (5, 5), 0)<\/p>\n
        <\/code><\/pre>\n<\/p>\n<\/li>\n
      3. \n
        \u8fb9\u7f18\u68c0\u6d4b<\/strong><\/p>\n<\/p>\n
        Canny\u8fb9\u7f18\u68c0\u6d4b\u662fOpenCV\u4e2d\u4e00\u4e2a\u6d41\u884c\u7684\u8fb9\u7f18\u68c0\u6d4b\u7b97\u6cd5\uff1a<\/p>\n<\/p>\n
        edges = cv2.Canny(image, 100, 200)<\/p>\n
        <\/code><\/pre>\n<\/p>\n
        \u8fd9\u91cc\u7684100\u548c200\u662f\u4f4e\u9608\u503c\u548c\u9ad8\u9608\u503c\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n
        \u4e94\u3001\u56fe\u50cf\u7684\u663e\u793a\u4e0e\u4fdd\u5b58<\/p>\n<\/p>\n
        \u5904\u7406\u5b8c\u56fe\u50cf\u540e\uff0c\u53ef\u80fd\u9700\u8981\u663e\u793a\u6216\u4fdd\u5b58\u7ed3\u679c\u3002OpenCV\u63d0\u4f9b\u4e86\u7b80\u5355\u7684\u51fd\u6570\u6765\u5b9e\u73b0\u8fd9\u4e9b\u529f\u80fd\uff1a<\/p>\n<\/p>\n
          \n
        1. \n
          \u663e\u793a\u56fe\u50cf<\/strong><\/p>\n<\/p>\n
          \u4f7f\u7528cv2.imshow()<\/code>\u51fd\u6570\u53ef\u4ee5\u5728\u7a97\u53e3\u4e2d\u663e\u793a\u56fe\u50cf\uff1a<\/p>\n<\/p>\n
          cv2.imshow('Image', image)<\/p>\n
          cv2.wAI<\/a>tKey(0)<\/p>\n
          cv2.destroyAllWindows()<\/p>\n
          <\/code><\/pre>\n<\/p>\n
          \u8fd9\u91cccv2.waitKey(0)<\/code>\u7528\u4e8e\u7b49\u5f85\u7528\u6237\u6309\u4e0b\u4efb\u610f\u952e\uff0ccv2.destroyAllWindows()<\/code>\u7528\u4e8e\u5173\u95ed\u6240\u6709\u7a97\u53e3\u3002<\/p>\n<\/p>\n<\/li>\n
        2. \n
          \u4fdd\u5b58\u56fe\u50cf<\/strong><\/p>\n<\/p>\n
          \u53ef\u4ee5\u4f7f\u7528cv2.imwrite()<\/code>\u51fd\u6570\u5c06\u56fe\u50cf\u4fdd\u5b58\u5230\u6587\u4ef6\u4e2d\uff1a<\/p>\n<\/p>\n
          cv2.imwrite('output_image.jpg', image)<\/p>\n
          <\/code><\/pre>\n<\/p>\n<\/li>\n<\/ol>\n
          \u516d\u3001\u89c6\u9891\u5904\u7406<\/p>\n<\/p>\n
          \u9664\u4e86\u5904\u7406\u9759\u6001\u56fe\u50cf\uff0cOpenCV\u8fd8\u53ef\u4ee5\u7528\u4e8e\u5904\u7406\u89c6\u9891\u3002\u89c6\u9891\u5904\u7406\u7684\u57fa\u672c\u601d\u60f3\u662f\u9010\u5e27\u8bfb\u53d6\u3001\u5904\u7406\u5e76\u4fdd\u5b58\u56de\u89c6\u9891\u6587\u4ef6\u4e2d\u3002<\/p>\n<\/p>\n
            \n
          1. \n
            \u9010\u5e27\u5904\u7406\u89c6\u9891<\/strong><\/p>\n<\/p>\n
            \u4f7f\u7528\u4e4b\u524d\u63d0\u5230\u7684cv2.VideoCapture()<\/code>\u8bfb\u53d6\u89c6\u9891\uff0c\u5e76\u9010\u5e27\u5904\u7406\uff1a<\/p>\n<\/p>\n
            cap = cv2.VideoCapture('input_video.mp4')<\/p>\n
            while True:<\/p>\n
                ret, frame = cap.read()<\/p>\n
                if not ret:<\/p>\n
                    break<\/p>\n
                # \u5bf9frame\u8fdb\u884c\u5904\u7406<\/p>\n
            cap.release()<\/p>\n
            <\/code><\/pre>\n<\/p>\n<\/li>\n
          2. \n
            \u4fdd\u5b58\u5904\u7406\u540e\u7684\u89c6\u9891<\/strong><\/p>\n<\/p>\n
            \u53ef\u4ee5\u4f7f\u7528cv2.VideoWriter()<\/code>\u5c06\u5904\u7406\u540e\u7684\u5e27\u4fdd\u5b58\u56de\u89c6\u9891\u6587\u4ef6\u4e2d\uff1a<\/p>\n<\/p>\n
            fourcc = cv2.VideoWriter_fourcc(*'XVID')<\/p>\n
            out = cv2.VideoWriter('output_video.avi', fourcc, 20.0, (640, 480))<\/p>\n
            cap = cv2.VideoCapture('input_video.mp4')<\/p>\n
            while True:<\/p>\n
                ret, frame = cap.read()<\/p>\n
                if not ret:<\/p>\n
                    break<\/p>\n
                # \u5bf9frame\u8fdb\u884c\u5904\u7406<\/p>\n
                out.write(frame)<\/p>\n
            cap.release()<\/p>\n
            out.release()<\/p>\n
            <\/code><\/pre>\n<\/p>\n
            \u8fd9\u91cc\u7684fourcc<\/code>\u7528\u4e8e\u5b9a\u4e49\u89c6\u9891\u7f16\u89e3\u7801\u5668\uff0c20.0<\/code>\u662f\u5e27\u7387\uff0c(640, 480)<\/code>\u662f\u5e27\u5927\u5c0f\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n
            \u4e03\u3001\u5e94\u7528\u5b9e\u4f8b\uff1a\u4eba\u8138\u68c0\u6d4b<\/p>\n<\/p>\n
            OpenCV\u7684\u4e00\u4e2a\u5f3a\u5927\u529f\u80fd\u662f\u4eba\u8138\u68c0\u6d4b\u3002\u4f7f\u7528OpenCV\u7684\u9884\u8bad\u7ec3Haar\u7ea7\u8054\u5206\u7c7b\u5668\uff0c\u53ef\u4ee5\u5f88\u5bb9\u6613\u5730\u68c0\u6d4b\u4eba\u8138\u3002<\/p>\n<\/p>\n
              \n
            1. \n
              \u52a0\u8f7d\u7ea7\u8054\u5206\u7c7b\u5668<\/strong><\/p>\n<\/p>\n
              \u9996\u5148\u9700\u8981\u52a0\u8f7dOpenCV\u63d0\u4f9b\u7684Haar\u7ea7\u8054\u5206\u7c7b\u5668\u6587\u4ef6\uff1a<\/p>\n<\/p>\n
              face_cascade = cv2.CascadeClassifier(cv2.data.haarcascades + 'haarcascade_frontalface_default.xml')<\/p>\n
              <\/code><\/pre>\n<\/p>\n<\/li>\n
            2. \n
              \u68c0\u6d4b\u4eba\u8138<\/strong><\/p>\n<\/p>\n
              \u5728\u52a0\u8f7d\u4e86\u7ea7\u8054\u5206\u7c7b\u5668\u540e\uff0c\u53ef\u4ee5\u5728\u56fe\u50cf\u4e2d\u68c0\u6d4b\u4eba\u8138\uff1a<\/p>\n<\/p>\n
              gray_image = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY)<\/p>\n
              faces = face_cascade.detectMultiScale(gray_image, scaleFactor=1.1, minNeighbors=5, minSize=(30, 30))<\/p>\n
              <\/code><\/pre>\n<\/p>\n
              detectMultiScale<\/code>\u51fd\u6570\u8fd4\u56de\u68c0\u6d4b\u5230\u7684\u4eba\u8138\u7684\u77e9\u5f62\u5750\u6807\u3002<\/p>\n<\/p>\n<\/li>\n
            3. \n
              \u7ed8\u5236\u68c0\u6d4b\u5230\u7684\u4eba\u8138<\/strong><\/p>\n<\/p>\n
              \u4f7f\u7528OpenCV\u7684\u7ed8\u56fe\u51fd\u6570\u5728\u56fe\u50cf\u4e0a\u6807\u8bb0\u68c0\u6d4b\u5230\u7684\u4eba\u8138\uff1a<\/p>\n<\/p>\n
              for (x, y, w, h) in faces:<\/p>\n
                  cv2.rectangle(image, (x, y), (x+w, y+h), (255, 0, 0), 2)<\/p>\n
              <\/code><\/pre>\n<\/p>\n
              \u8fd9\u5c06\u5728\u68c0\u6d4b\u5230\u7684\u4eba\u8138\u5468\u56f4\u7ed8\u5236\u4e00\u4e2a\u84dd\u8272\u77e9\u5f62\u6846\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n
              \u516b\u3001\u603b\u7ed3<\/p>\n<\/p>\n
              \u901a\u8fc7Python\u4f7f\u7528OpenCV\u8fdb\u884c\u56fe\u50cf\u548c\u89c6\u9891\u5904\u7406\u662f\u4e00\u4e2a\u5f3a\u5927\u800c\u7075\u6d3b\u7684\u5de5\u5177\u3002\u65e0\u8bba\u662f\u7b80\u5355\u7684\u56fe\u50cf\u5904\u7406\u64cd\u4f5c\u8fd8\u662f\u590d\u6742\u7684\u8ba1\u7b97\u673a\u89c6\u89c9\u4efb\u52a1\uff0cOpenCV\u90fd\u63d0\u4f9b\u4e86\u4e00\u5957\u5168\u9762\u7684\u529f\u80fd\u6765\u6ee1\u8db3\u9700\u6c42\u3002\u638c\u63e1OpenCV\u7684\u57fa\u672c\u4f7f\u7528\u548c\u5e38\u7528\u64cd\u4f5c\uff0c\u53ef\u4ee5\u4e3a\u56fe\u50cf\u5904\u7406\u548c\u8ba1\u7b97\u673a\u89c6\u89c9\u9886\u57df\u7684\u8fdb\u4e00\u6b65\u5b66\u4e60\u548c\u5e94\u7528\u6253\u4e0b\u575a\u5b9e\u7684\u57fa\u7840\u3002\u5728\u4f7f\u7528\u8fc7\u7a0b\u4e2d\uff0c\u7ed3\u5408\u6587\u6863\u548c\u793e\u533a\u8d44\u6e90\uff0c\u53ef\u4ee5\u66f4\u6df1\u5165\u5730\u6316\u6398OpenCV\u7684\u6f5c\u529b\u3002<\/p>\n<\/p>\n
              \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
               \u5982\u4f55\u5728Python\u4e2d\u5b89\u88c5OpenCV\u5e93\uff1f<\/strong>
              \u5728Python\u4e2d\u4f7f\u7528OpenCV\uff0c\u9996\u5148\u9700\u8981\u5b89\u88c5\u8be5\u5e93\u3002\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528pip\u547d\u4ee4\u6765\u5b89\u88c5\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\u4eba\u8138\u8bc6\u522b\u6216\u5176\u4ed6\u8ba1\u7b97\u673a\u89c6\u89c9\u529f\u80fd\uff0c\u53ef\u4ee5\u5b89\u88c5opencv-contrib-python\uff1a  <\/p>\n
              pip install opencv-contrib-python\n<\/code><\/pre>\n
              \u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u53ef\u4ee5\u901a\u8fc7import cv2<\/code>\u6765\u5bfc\u5165OpenCV\u5e93\uff0c\u5f00\u59cb\u4f7f\u7528\u5176\u5f3a\u5927\u7684\u8ba1\u7b97\u673a\u89c6\u89c9\u529f\u80fd\u3002<\/p>\n
              Python\u4e2d\u7684OpenCV\u4e3b\u8981\u5e94\u7528\u573a\u666f\u6709\u54ea\u4e9b\uff1f<\/strong>
              OpenCV\u5728\u8ba1\u7b97\u673a\u89c6\u89c9\u9886\u57df\u6709\u7740\u5e7f\u6cdb\u7684\u5e94\u7528\u573a\u666f\u3002\u5e38\u89c1\u7684\u5e94\u7528\u5305\u62ec\uff1a\u56fe\u50cf\u5904\u7406\uff08\u5982\u56fe\u50cf\u5e73\u6ed1\u3001\u8fb9\u7f18\u68c0\u6d4b\u7b49\uff09\u3001\u89c6\u9891\u5206\u6790\uff08\u5982\u8fd0\u52a8\u68c0\u6d4b\u3001\u7269\u4f53\u8ffd\u8e2a\uff09\u3001\u4eba\u8138\u8bc6\u522b\u3001\u56fe\u50cf\u62fc\u63a5\u3001\u7279\u5f81\u70b9\u5339\u914d\u4ee5\u53ca\u673a\u5668\u5b66\u4e60<\/a>\u4e2d\u7684\u6570\u636e\u9884\u5904\u7406\u7b49\u3002\u51ed\u501f\u5176\u9ad8\u6548\u7684\u7b97\u6cd5\u548c\u4e30\u5bcc\u7684\u529f\u80fd\uff0cOpenCV\u6210\u4e3a\u4e86\u8bb8\u591a\u6df1\u5ea6\u5b66\u4e60\u9879\u76ee\u7684\u57fa\u7840\u5de5\u5177\u3002<\/p>\n
              \u5982\u4f55\u5728Python\u4e2d\u4f7f\u7528OpenCV\u8fdb\u884c\u56fe\u50cf\u5904\u7406\uff1f<\/strong>
              \u4f7f\u7528OpenCV\u8fdb\u884c\u56fe\u50cf\u5904\u7406\u975e\u5e38\u7b80\u5355\u3002\u9996\u5148\uff0c\u4f7f\u7528cv2.imread()<\/code>\u51fd\u6570\u8bfb\u53d6\u56fe\u50cf\u6587\u4ef6\u3002\u63a5\u7740\uff0c\u53ef\u4ee5\u5e94\u7528\u5404\u79cd\u56fe\u50cf\u5904\u7406\u51fd\u6570\uff0c\u4f8b\u5982cv2.cvtColor()<\/code>\u7528\u4e8e\u989c\u8272\u7a7a\u95f4\u8f6c\u6362\uff0ccv2.GaussianBlur()<\/code>\u7528\u4e8e\u56fe\u50cf\u6a21\u7cca\uff0ccv2.Canny()<\/code>\u7528\u4e8e\u8fb9\u7f18\u68c0\u6d4b\u7b49\u3002\u5904\u7406\u5b8c\u6210\u540e\uff0c\u53ef\u4ee5\u4f7f\u7528cv2.imshow()<\/code>\u663e\u793a\u56fe\u50cf\uff0c\u5e76\u901a\u8fc7cv2.imwrite()<\/code>\u4fdd\u5b58\u5904\u7406\u540e\u7684\u7ed3\u679c\u3002\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u7528\u6237\u80fd\u591f\u8f7b\u677e\u5b9e\u73b0\u591a\u79cd\u56fe\u50cf\u5904\u7406\u4efb\u52a1\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u4f7f\u7528Python\u8fdb\u884cOpenCV\u7f16\u7a0b\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\uff1a\u5b89\u88c5OpenCV\u5e93\u3001\u5bfc\u5165OpenCV\u6a21\u5757\u3001\u52a0\u8f7d\u56fe\u50cf\u6216\u89c6 […]","protected":false},"author":3,"featured_media":925500,"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\/925498"}],"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=925498"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/925498\/revisions"}],"predecessor-version":[{"id":925501,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/925498\/revisions\/925501"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/925500"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=925498"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=925498"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=925498"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}