{"id":982868,"date":"2024-12-27T07:14:32","date_gmt":"2024-12-26T23:14:32","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/982868.html"},"modified":"2024-12-27T07:14:35","modified_gmt":"2024-12-26T23:14:35","slug":"python%e5%a6%82%e4%bd%95%e8%af%bb%e5%8f%96%e6%98%be%e7%a4%ba%e5%9b%be%e5%83%8f","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/982868.html","title":{"rendered":"python\u5982\u4f55\u8bfb\u53d6\u663e\u793a\u56fe\u50cf"},"content":{"rendered":"

\"python\u5982\u4f55\u8bfb\u53d6\u663e\u793a\u56fe\u50cf\"<\/p>\n

Python\u8bfb\u53d6\u548c\u663e\u793a\u56fe\u50cf\u7684\u65b9\u6cd5\u5305\u62ec\u4f7f\u7528OpenCV\u3001PIL\uff08Pillow\uff09\u548cMatplotlib\u7b49\u5e93\u3002<\/strong> \u8fd9\u4e9b\u5e93\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u5de5\u5177\u7528\u4e8e\u56fe\u50cf\u5904\u7406\u548c\u663e\u793a\uff0c\u5176\u4e2d\uff0cOpenCV\u4ee5\u5176\u9ad8\u6548\u7684\u5904\u7406\u80fd\u529b\u548c\u4e30\u5bcc\u7684\u529f\u80fd\u800c\u88ab\u5e7f\u6cdb\u4f7f\u7528<\/strong>\u3002\u4f7f\u7528OpenCV\u8bfb\u53d6\u548c\u663e\u793a\u56fe\u50cf\u7684\u57fa\u672c\u6b65\u9aa4\u5305\u62ec\uff1a\u5bfc\u5165\u5e93\uff0c\u8bfb\u53d6\u56fe\u50cf\u6587\u4ef6\uff0c\u663e\u793a\u56fe\u50cf\u5e76\u7b49\u5f85\u7528\u6237\u64cd\u4f5c\u3002\u5728\u8fd9\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u4eec\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u8fd9\u51e0\u79cd\u65b9\u6cd5\uff0c\u5e76\u63d0\u4f9b\u4ee3\u7801\u793a\u4f8b\uff0c\u5e2e\u52a9\u60a8\u66f4\u597d\u5730\u7406\u89e3\u5982\u4f55\u5728Python\u4e2d\u8bfb\u53d6\u548c\u663e\u793a\u56fe\u50cf\u3002<\/p>\n<\/p>\n

\u4e00\u3001OPENCV\u8bfb\u53d6\u548c\u663e\u793a\u56fe\u50cf<\/p>\n<\/p>\n

OpenCV\u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u8ba1\u7b97\u673a\u89c6\u89c9\u5e93\uff0c\u63d0\u4f9b\u4e86\u591a\u79cd\u56fe\u50cf\u5904\u7406\u529f\u80fd\uff0c\u5305\u62ec\u56fe\u50cf\u8bfb\u53d6\u3001\u663e\u793a\u548c\u4fdd\u5b58\u3002<\/p>\n<\/p>\n

    \n
  1. \u5b89\u88c5OpenCV<\/p>\n

    \u8981\u4f7f\u7528OpenCV\uff0c\u9996\u5148\u9700\u8981\u5b89\u88c5\u8be5\u5e93\u3002\u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u901a\u8fc7pip\u5b89\u88c5\uff1a<\/li>\n<\/p>\n<\/ol>\n

    pip install opencv-python<\/p>\n
    <\/code><\/pre>\n<\/p>\n
      \n
    1. \u4f7f\u7528OpenCV\u8bfb\u53d6\u548c\u663e\u793a\u56fe\u50cf<\/p>\n
      \u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528OpenCV\u8bfb\u53d6\u548c\u663e\u793a\u56fe\u50cf\uff1a<\/li>\n<\/p>\n<\/ol>\n
      import cv2<\/p>\n
      \u8bfb\u53d6\u56fe\u50cf<\/strong><\/h2>\n
      image = cv2.imread('path_to_image.jpg')<\/p>\n
      \u68c0\u67e5\u56fe\u50cf\u662f\u5426\u6210\u529f\u8bfb\u53d6<\/strong><\/h2>\n
      if image is None:<\/p>\n
          print("\u56fe\u50cf\u8bfb\u53d6\u5931\u8d25\uff0c\u8bf7\u68c0\u67e5\u8def\u5f84")<\/p>\n
      else:<\/p>\n
          # \u663e\u793a\u56fe\u50cf<\/p>\n
          cv2.imshow('Image', image)<\/p>\n
          # \u7b49\u5f85\u7528\u6237\u6309\u952e<\/p>\n
          cv2.wAI<\/a>tKey(0)<\/p>\n
          # \u9500\u6bc1\u6240\u6709\u7a97\u53e3<\/p>\n
          cv2.destroyAllWindows()<\/p>\n
      <\/code><\/pre>\n<\/p>\n
      \u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528cv2.imread()<\/code>\u51fd\u6570\u8bfb\u53d6\u56fe\u50cf\uff0ccv2.imshow()<\/code>\u51fd\u6570\u663e\u793a\u56fe\u50cf\uff0ccv2.waitKey(0)<\/code>\u51fd\u6570\u7b49\u5f85\u7528\u6237\u6309\u4e0b\u4efb\u610f\u952e\uff0c\u6700\u540e\u4f7f\u7528cv2.destroyAllWindows()<\/code>\u5173\u95ed\u6240\u6709\u7a97\u53e3\u3002<\/p>\n<\/p>\n
      \u4e8c\u3001PIL\uff08Pillow\uff09\u8bfb\u53d6\u548c\u663e\u793a\u56fe\u50cf<\/p>\n<\/p>\n
      PIL\uff08Pillow\uff09\u662fPython Imaging Library\u7684\u4e00\u4e2a\u5206\u652f\uff0c\u63d0\u4f9b\u4e86\u56fe\u50cf\u5904\u7406\u7684\u57fa\u672c\u529f\u80fd\u3002<\/p>\n<\/p>\n
        \n
      1. \u5b89\u88c5Pillow<\/p>\n
        \u53ef\u4ee5\u4f7f\u7528pip\u5b89\u88c5Pillow\uff1a<\/li>\n<\/p>\n<\/ol>\n
        pip install Pillow<\/p>\n
        <\/code><\/pre>\n<\/p>\n
          \n
        1. \u4f7f\u7528Pillow\u8bfb\u53d6\u548c\u663e\u793a\u56fe\u50cf<\/p>\n
          \u4e0b\u9762\u662f\u4e00\u4e2a\u793a\u4f8b\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528Pillow\u8bfb\u53d6\u548c\u663e\u793a\u56fe\u50cf\uff1a<\/li>\n<\/p>\n<\/ol>\n
          from PIL import Image<\/p>\n
          \u8bfb\u53d6\u56fe\u50cf<\/strong><\/h2>\n
          image = Image.open('path_to_image.jpg')<\/p>\n
          \u663e\u793a\u56fe\u50cf<\/strong><\/h2>\n
          image.show()<\/p>\n
          <\/code><\/pre>\n<\/p>\n
          \u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528Image.open()<\/code>\u51fd\u6570\u8bfb\u53d6\u56fe\u50cf\uff0cimage.show()<\/code>\u51fd\u6570\u663e\u793a\u56fe\u50cf\u3002Pillow\u4f1a\u8c03\u7528\u7cfb\u7edf\u9ed8\u8ba4\u7684\u56fe\u50cf\u67e5\u770b\u5668\u6765\u663e\u793a\u56fe\u50cf\u3002<\/p>\n<\/p>\n
          \u4e09\u3001MATPLOTLIB\u8bfb\u53d6\u548c\u663e\u793a\u56fe\u50cf<\/p>\n<\/p>\n
          Matplotlib\u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u7ed8\u56fe\u5e93\uff0c\u901a\u5e38\u7528\u4e8e\u6570\u636e\u53ef\u89c6\u5316\uff0c\u4f46\u4e5f\u53ef\u4ee5\u7528\u4e8e\u663e\u793a\u56fe\u50cf\u3002<\/p>\n<\/p>\n
            \n
          1. \u5b89\u88c5Matplotlib<\/p>\n
            \u53ef\u4ee5\u901a\u8fc7pip\u5b89\u88c5Matplotlib\uff1a<\/li>\n<\/p>\n<\/ol>\n
            pip install matplotlib<\/p>\n
            <\/code><\/pre>\n<\/p>\n
              \n
            1. \u4f7f\u7528Matplotlib\u8bfb\u53d6\u548c\u663e\u793a\u56fe\u50cf<\/p>\n
              \u4e0b\u9762\u662f\u4e00\u4e2a\u793a\u4f8b\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528Matplotlib\u8bfb\u53d6\u548c\u663e\u793a\u56fe\u50cf\uff1a<\/li>\n<\/p>\n<\/ol>\n
              import matplotlib.pyplot as plt<\/p>\n
              import matplotlib.image as mpimg<\/p>\n
              \u8bfb\u53d6\u56fe\u50cf<\/strong><\/h2>\n
              image = mpimg.imread('path_to_image.jpg')<\/p>\n
              \u663e\u793a\u56fe\u50cf<\/strong><\/h2>\n
              plt.imshow(image)<\/p>\n
              plt.axis('off')  # \u5173\u95ed\u5750\u6807\u8f74<\/p>\n
              plt.show()<\/p>\n
              <\/code><\/pre>\n<\/p>\n
              \u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528mpimg.imread()<\/code>\u51fd\u6570\u8bfb\u53d6\u56fe\u50cf\uff0c\u5e76\u4f7f\u7528plt.imshow()<\/code>\u51fd\u6570\u663e\u793a\u56fe\u50cf\u3002plt.axis('off')<\/code>\u7528\u4e8e\u5173\u95ed\u5750\u6807\u8f74\uff0c\u4f7f\u56fe\u50cf\u663e\u793a\u5f97\u66f4\u4e3a\u6e05\u6670\u3002<\/p>\n<\/p>\n
              \u56db\u3001\u6bd4\u8f83\u4e09\u79cd\u65b9\u6cd5<\/p>\n<\/p>\n
                \n
              1. \n
                \u529f\u80fd\u548c\u6548\u7387<\/strong><\/p>\n<\/p>\n