{"id":1000926,"date":"2024-12-27T09:54:41","date_gmt":"2024-12-27T01:54:41","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1000926.html"},"modified":"2024-12-27T09:54:56","modified_gmt":"2024-12-27T01:54:56","slug":"python%e4%b8%ad%e5%a6%82%e4%bd%95%e8%af%bb%e5%8f%96%e5%9b%be%e7%89%87","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1000926.html","title":{"rendered":"python\u4e2d\u5982\u4f55\u8bfb\u53d6\u56fe\u7247"},"content":{"rendered":"

\"python\u4e2d\u5982\u4f55\u8bfb\u53d6\u56fe\u7247\"<\/p>\n

\u5728Python\u4e2d\u8bfb\u53d6\u56fe\u7247\uff0c\u901a\u5e38\u4f7f\u7528\u7684\u5e93\u6709OpenCV\u3001PIL\uff08Pillow\uff09\u548cmatplotlib\uff0c\u5177\u4f53\u65b9\u6cd5\u5305\u62ec\u4f7f\u7528cv2.imread()\u3001Image.open()\u4ee5\u53caplt.imread()\u3002OpenCV\u9002\u5408\u4e8e\u9700\u8981\u8fdb\u884c\u590d\u6742\u56fe\u50cf\u5904\u7406\u7684\u573a\u5408\uff0cPIL\u7b80\u5355\u6613\u7528\uff0c\u9002\u5408\u4e8e\u57fa\u672c\u56fe\u50cf\u64cd\u4f5c\uff0c\u800cmatplotlib\u5219\u9002\u5408\u4e8e\u5728\u6570\u636e\u5206\u6790\u8fc7\u7a0b\u4e2d\u5feb\u901f\u52a0\u8f7d\u548c\u663e\u793a\u56fe\u50cf\u3002<\/strong>\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u5c06\u8be6\u7ec6\u8bb2\u89e3\u5982\u4f55\u4f7f\u7528\u8fd9\u4e09\u79cd\u65b9\u6cd5\u8bfb\u53d6\u56fe\u7247\uff0c\u5e76\u6df1\u5165\u63a2\u8ba8\u8fd9\u4e9b\u65b9\u6cd5\u7684\u4f18\u7f3a\u70b9\u548c\u9002\u7528\u573a\u666f\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u4f7f\u7528OpenCV\u8bfb\u53d6\u56fe\u7247<\/p>\n<\/p>\n

OpenCV\u662f\u4e00\u4e2a\u529f\u80fd\u5f3a\u5927\u7684\u8ba1\u7b97\u673a\u89c6\u89c9\u5e93\uff0c\u652f\u6301\u591a\u79cd\u7f16\u7a0b\u8bed\u8a00\u3002\u5b83\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u56fe\u50cf\u5904\u7406\u529f\u80fd\uff0c\u662f\u8bb8\u591a\u8ba1\u7b97\u673a\u89c6\u89c9\u4efb\u52a1\u7684\u9996\u9009\u3002<\/p>\n<\/p>\n

    \n
  1. \u5b89\u88c5\u548c\u5bfc\u5165OpenCV<\/li>\n<\/ol>\n

    \u8981\u4f7f\u7528OpenCV\u8bfb\u53d6\u56fe\u7247\uff0c\u9996\u5148\u9700\u8981\u5b89\u88c5OpenCV\u5e93\u3002\u53ef\u4ee5\u901a\u8fc7pip\u547d\u4ee4\u6765\u5b89\u88c5\uff1a<\/p>\n<\/p>\n

    pip install opencv-python<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u53ef\u4ee5\u5728Python\u811a\u672c\u4e2d\u5bfc\u5165OpenCV\u5e93\uff1a<\/p>\n<\/p>\n
    import cv2<\/p>\n
    <\/code><\/pre>\n<\/p>\n
      \n
    1. \u8bfb\u53d6\u56fe\u7247<\/li>\n<\/ol>\n
      \u4f7f\u7528cv2.imread()<\/code>\u51fd\u6570\u8bfb\u53d6\u56fe\u7247\u3002\u8be5\u51fd\u6570\u8fd4\u56de\u4e00\u4e2anumpy\u6570\u7ec4\uff0c\u8868\u793a\u56fe\u7247\u7684\u50cf\u7d20\u77e9\u9635\u3002<\/p>\n<\/p>\n
      # \u8bfb\u53d6\u56fe\u7247<\/p>\n
      image = cv2.imread('path_to_image.jpg')<\/p>\n
      \u68c0\u67e5\u56fe\u7247\u662f\u5426\u8bfb\u53d6\u6210\u529f<\/strong><\/h2>\n
      if image is None:<\/p>\n
          print("FAI<\/a>led to read image")<\/p>\n
      else:<\/p>\n
          print("Image read successfully")<\/p>\n
      <\/code><\/pre>\n<\/p>\n
        \n
      1. \u663e\u793a\u56fe\u7247<\/li>\n<\/ol>\n
        OpenCV\u63d0\u4f9b\u4e86cv2.imshow()<\/code>\u51fd\u6570\u6765\u663e\u793a\u56fe\u7247\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cOpenCV\u7684\u7a97\u53e3\u5728\u663e\u793a\u65f6\u9700\u8981\u7b49\u5f85\u7528\u6237\u6309\u952e\u64cd\u4f5c\u624d\u80fd\u5173\u95ed\u3002<\/p>\n<\/p>\n
        # \u663e\u793a\u56fe\u7247<\/p>\n
        cv2.imshow('Image', image)<\/p>\n
        \u7b49\u5f85\u7528\u6237\u6309\u952e\u64cd\u4f5c<\/strong><\/h2>\n
        cv2.waitKey(0)<\/p>\n
        \u9500\u6bc1\u6240\u6709\u7a97\u53e3<\/strong><\/h2>\n
        cv2.destroyAllWindows()<\/p>\n
        <\/code><\/pre>\n<\/p>\n
          \n
        1. OpenCV\u7684\u4f18\u7f3a\u70b9<\/li>\n<\/ol>\n
          \u4f18\u70b9<\/strong>\uff1a<\/p>\n<\/p>\n