{"id":987913,"date":"2024-12-27T07:57:42","date_gmt":"2024-12-26T23:57:42","guid":{"rendered":""},"modified":"2024-12-27T07:57:44","modified_gmt":"2024-12-26T23:57:44","slug":"%e5%a6%82%e4%bd%95%e6%89%b9%e9%87%8f%e8%af%bb%e5%8f%96%e5%9b%be%e7%89%87python","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/987913.html","title":{"rendered":"\u5982\u4f55\u6279\u91cf\u8bfb\u53d6\u56fe\u7247python"},"content":{"rendered":"

\"\u5982\u4f55\u6279\u91cf\u8bfb\u53d6\u56fe\u7247python\"<\/p>\n

\u5728Python\u4e2d\u6279\u91cf\u8bfb\u53d6\u56fe\u7247<\/strong>\u7684\u65b9\u6cd5\u6709\u591a\u79cd\uff0c\u5305\u62ec\u4f7f\u7528os<\/code>\u5e93\u3001glob<\/code>\u5e93\u548c\u56fe\u50cf\u5904\u7406\u5e93\u5982PIL<\/code>\uff08Pillow\uff09\u6216OpenCV<\/code>\u7b49\u3002\u901a\u8fc7\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5feb\u901f\u9ad8\u6548\u5730\u8bfb\u53d6\u6587\u4ef6\u5939\u4e2d\u7684\u591a\u5f20\u56fe\u7247\u5e76\u8fdb\u884c\u5904\u7406\u3002\u4f7f\u7528os\u5e93\u904d\u5386\u76ee\u5f55\u3001glob\u5e93\u6a21\u5f0f\u5339\u914d\u3001\u7ed3\u5408PIL\u6216OpenCV\u8fdb\u884c\u56fe\u50cf\u8bfb\u53d6<\/strong>\uff0c\u662f\u5b9e\u73b0\u6279\u91cf\u8bfb\u53d6\u56fe\u7247\u7684\u6709\u6548\u65b9\u6cd5\u3002\u4e0b\u9762\u6211\u4eec\u8be6\u7ec6\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528\u8fd9\u4e9b\u5de5\u5177\u548c\u5e93\u5b9e\u73b0\u8fd9\u4e00\u8fc7\u7a0b\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u4f7f\u7528OS\u5e93\u6279\u91cf\u8bfb\u53d6\u56fe\u7247<\/p>\n<\/p>\n

os<\/code>\u5e93\u662fPython\u6807\u51c6\u5e93\u7684\u4e00\u90e8\u5206\uff0c\u53ef\u4ee5\u7528\u6765\u5904\u7406\u6587\u4ef6\u548c\u76ee\u5f55\u3002\u901a\u8fc7os.listdir()<\/code>\u65b9\u6cd5\uff0c\u6211\u4eec\u53ef\u4ee5\u5217\u51fa\u6307\u5b9a\u76ee\u5f55\u4e0b\u7684\u6240\u6709\u6587\u4ef6\uff0c\u5e76\u7ed3\u5408\u6587\u4ef6\u540d\u540e\u7f00\u5224\u65ad\uff0c\u7b5b\u9009\u51fa\u56fe\u7247\u6587\u4ef6\u3002<\/p>\n<\/p>\n

\u4f7f\u7528os\u5e93<\/h3>\n<\/p>\n
    \n
  1. \n

    \u904d\u5386\u76ee\u5f55\u6587\u4ef6<\/strong><\/p>\n<\/p>\n

    \u9996\u5148\uff0c\u4f7f\u7528os.listdir()<\/code>\u65b9\u6cd5\u5217\u51fa\u76ee\u5f55\u4e2d\u7684\u6240\u6709\u6587\u4ef6\uff0c\u5e76\u901a\u8fc7\u5faa\u73af\u904d\u5386\u8fd9\u4e9b\u6587\u4ef6\uff0c\u4f7f\u7528\u5b57\u7b26\u4e32\u65b9\u6cd5\u68c0\u67e5\u6587\u4ef6\u540d\u540e\u7f00\uff0c\u5224\u65ad\u662f\u5426\u4e3a\u56fe\u7247\u6587\u4ef6\u3002\u5e38\u89c1\u7684\u56fe\u7247\u6587\u4ef6\u540e\u7f00\u5305\u62ec.jpg<\/code>\u3001.jpeg<\/code>\u3001.png<\/code>\u7b49\u3002<\/p>\n<\/p>\n

    import os<\/p>\n
    def load_images_from_folder(folder):<\/p>\n
        images = []<\/p>\n
        for filename in os.listdir(folder):<\/p>\n
            if filename.endswith(".jpg") or filename.endswith(".png"):<\/p>\n
                img = os.path.join(folder, filename)<\/p>\n
                images.append(img)<\/p>\n
        return images<\/p>\n
    <\/code><\/pre>\n<\/p>\n<\/li>\n
  2. \n
    \u8bfb\u53d6\u56fe\u7247<\/strong><\/p>\n<\/p>\n
    \u8bfb\u53d6\u56fe\u7247\u53ef\u4ee5\u4f7f\u7528PIL<\/code>\u5e93\u7684Image.open()<\/code>\u65b9\u6cd5\u6216OpenCV<\/code>\u5e93\u7684cv2.imread()<\/code>\u65b9\u6cd5\u3002\u4e0b\u9762\u662f\u4f7f\u7528PIL\u8bfb\u53d6\u56fe\u7247\u7684\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
    from PIL import Image<\/p>\n
    def load_and_show_images(folder):<\/p>\n
        for filename in os.listdir(folder):<\/p>\n
            if filename.endswith(".jpg") or filename.endswith(".png"):<\/p>\n
                img = Image.open(os.path.join(folder, filename))<\/p>\n
                img.show()  # \u663e\u793a\u56fe\u7247<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u4f7f\u7528OpenCV\u8bfb\u53d6\u56fe\u7247\u7684\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
    import cv2<\/p>\n
    def load_and_show_images_cv(folder):<\/p>\n
        for filename in os.listdir(folder):<\/p>\n
            if filename.endswith(".jpg") or filename.endswith(".png"):<\/p>\n
                img = cv2.imread(os.path.join(folder, filename))<\/p>\n
                cv2.imshow('image', img)  # \u663e\u793a\u56fe\u7247<\/p>\n
                cv2.wAI<\/a>tKey(0)<\/p>\n
                cv2.destroyAllWindows()<\/p>\n
    <\/code><\/pre>\n<\/p>\n<\/li>\n<\/ol>\n
    \u4e8c\u3001\u4f7f\u7528GLOB\u5e93\u6279\u91cf\u8bfb\u53d6\u56fe\u7247<\/p>\n<\/p>\n
    glob<\/code>\u5e93\u662fPython\u6807\u51c6\u5e93\u7684\u4e00\u90e8\u5206\uff0c\u652f\u6301\u4f7f\u7528\u901a\u914d\u7b26\u8fdb\u884c\u6587\u4ef6\u641c\u7d22\u3002\u76f8\u6bd4\u4e8eos<\/code>\uff0cglob<\/code>\u66f4\u7b80\u6d01\uff0c\u53ef\u4ee5\u76f4\u63a5\u901a\u8fc7\u6a21\u5f0f\u5339\u914d\u9009\u62e9\u6307\u5b9a\u7c7b\u578b\u7684\u6587\u4ef6\u3002<\/p>\n<\/p>\n
    \u4f7f\u7528glob\u5e93<\/h3>\n<\/p>\n
      \n
    1. \n
      \u4f7f\u7528\u901a\u914d\u7b26\u6a21\u5f0f\u5339\u914d<\/strong><\/p>\n<\/p>\n
      \u4f7f\u7528glob.glob()<\/code>\u65b9\u6cd5\u7ed3\u5408\u901a\u914d\u7b26\u6a21\u5f0f\uff0c\u53ef\u4ee5\u5feb\u901f\u83b7\u53d6\u6307\u5b9a\u7c7b\u578b\u7684\u6587\u4ef6\u8def\u5f84\u5217\u8868\u3002\u4f8b\u5982\uff0c\u5339\u914d\u6240\u6709.jpg<\/code>\u548c.png<\/code>\u6587\u4ef6\uff1a<\/p>\n<\/p>\n
      import glob<\/p>\n
      def load_images_with_glob(folder):<\/p>\n
          pattern = os.path.join(folder, "*.jpg")<\/p>\n
          images = glob.glob(pattern)<\/p>\n
          images.extend(glob.glob(os.path.join(folder, "*.png")))<\/p>\n
          return images<\/p>\n
      <\/code><\/pre>\n<\/p>\n<\/li>\n
    2. \n
      \u8bfb\u53d6\u56fe\u7247<\/strong><\/p>\n<\/p>\n
      \u5728\u83b7\u53d6\u56fe\u7247\u8def\u5f84\u5217\u8868\u540e\uff0c\u53ef\u4ee5\u4f7f\u7528\u524d\u9762\u63d0\u5230\u7684PIL\u6216OpenCV\u65b9\u6cd5\u8bfb\u53d6\u56fe\u7247\u3002<\/p>\n<\/p>\n
      from PIL import Image<\/p>\n
      def load_and_show_images_with_glob(folder):<\/p>\n
          images = load_images_with_glob(folder)<\/p>\n
          for img_path in images:<\/p>\n
              img = Image.open(img_path)<\/p>\n
              img.show()<\/p>\n
      <\/code><\/pre>\n<\/p>\n<\/li>\n<\/ol>\n
      \u4e09\u3001\u4f7f\u7528PIL\u6279\u91cf\u8bfb\u53d6\u56fe\u7247<\/p>\n<\/p>\n
      PIL\uff08Python Imaging Library\uff09\u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u56fe\u50cf\u5904\u7406\u5e93\uff0cPillow\u662fPIL\u7684\u4e00\u4e2a\u53cb\u597d\u7684\u5206\u652f\uff0c\u63d0\u4f9b\u4e86\u66f4\u4e30\u5bcc\u7684\u529f\u80fd\u548c\u66f4\u597d\u7684\u517c\u5bb9\u6027\u3002<\/p>\n<\/p>\n
      \u4f7f\u7528PIL<\/h3>\n<\/p>\n
        \n
      1. \n
        \u8bfb\u53d6\u548c\u5904\u7406\u56fe\u7247<\/strong><\/p>\n<\/p>\n
        \u4f7f\u7528PIL\u53ef\u4ee5\u8f7b\u677e\u8bfb\u53d6\u3001\u663e\u793a\u3001\u4fdd\u5b58\u548c\u4fee\u6539\u56fe\u7247\u3002\u9664\u4e86\u57fa\u672c\u7684\u8bfb\u53d6\u64cd\u4f5c\u5916\uff0cPIL\u8fd8\u652f\u6301\u5404\u79cd\u56fe\u50cf\u5904\u7406\u64cd\u4f5c\uff0c\u5982\u8c03\u6574\u5927\u5c0f\u3001\u65cb\u8f6c\u3001\u6ee4\u955c\u7b49\u3002<\/p>\n<\/p>\n
        from PIL import Image<\/p>\n
        import os<\/p>\n
        def process_images_with_pil(folder):<\/p>\n
            for filename in os.listdir(folder):<\/p>\n
                if filename.endswith(".jpg") or filename.endswith(".png"):<\/p>\n
                    img_path = os.path.join(folder, filename)<\/p>\n
                    img = Image.open(img_path)<\/p>\n
                    img = img.resize((100, 100))  # \u8c03\u6574\u5927\u5c0f<\/p>\n
                    img = img.rotate(45)  # \u65cb\u8f6c45\u5ea6<\/p>\n
                    img.show()<\/p>\n
        <\/code><\/pre>\n<\/p>\n<\/li>\n
      2. \n
        \u4fdd\u5b58\u5904\u7406\u540e\u7684\u56fe\u7247<\/strong><\/p>\n<\/p>\n
        \u5904\u7406\u540e\u7684\u56fe\u7247\u53ef\u4ee5\u4f7f\u7528img.save()<\/code>\u65b9\u6cd5\u8fdb\u884c\u4fdd\u5b58\uff0c\u6307\u5b9a\u4fdd\u5b58\u8def\u5f84\u548c\u6587\u4ef6\u683c\u5f0f\u3002<\/p>\n<\/p>\n
        def save_processed_images(folder, output_folder):<\/p>\n
            if not os.path.exists(output_folder):<\/p>\n
                os.makedirs(output_folder)<\/p>\n
            for filename in os.listdir(folder):<\/p>\n
                if filename.endswith(".jpg") or filename.endswith(".png"):<\/p>\n
                    img_path = os.path.join(folder, filename)<\/p>\n
                    img = Image.open(img_path)<\/p>\n
                    img = img.resize((100, 100))<\/p>\n
                    img.save(os.path.join(output_folder, filename))<\/p>\n
        <\/code><\/pre>\n<\/p>\n<\/li>\n<\/ol>\n
        \u56db\u3001\u4f7f\u7528OpenCV\u6279\u91cf\u8bfb\u53d6\u56fe\u7247<\/p>\n<\/p>\n
        OpenCV\u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u8ba1\u7b97\u673a\u89c6\u89c9\u5e93\uff0c\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u56fe\u50cf\u5904\u7406\u529f\u80fd\u3002<\/p>\n<\/p>\n
        \u4f7f\u7528OpenCV<\/h3>\n<\/p>\n
          \n
        1. \n
          \u8bfb\u53d6\u548c\u663e\u793a\u56fe\u7247<\/strong><\/p>\n<\/p>\n
          \u4f7f\u7528OpenCV\u7684cv2.imread()<\/code>\u65b9\u6cd5\u8bfb\u53d6\u56fe\u7247\uff0ccv2.imshow()<\/code>\u65b9\u6cd5\u663e\u793a\u56fe\u7247\u3002<\/p>\n<\/p>\n
          import cv2<\/p>\n
          import os<\/p>\n
          def process_images_with_cv2(folder):<\/p>\n
              for filename in os.listdir(folder):<\/p>\n
                  if filename.endswith(".jpg") or filename.endswith(".png"):<\/p>\n
                      img_path = os.path.join(folder, filename)<\/p>\n
                      img = cv2.imread(img_path)<\/p>\n
                      img = cv2.resize(img, (100, 100))  # \u8c03\u6574\u5927\u5c0f<\/p>\n
                      cv2.imshow('Processed Image', img)<\/p>\n
                      cv2.waitKey(0)<\/p>\n
                      cv2.destroyAllWindows()<\/p>\n
          <\/code><\/pre>\n<\/p>\n<\/li>\n
        2. \n
          \u4fdd\u5b58\u5904\u7406\u540e\u7684\u56fe\u7247<\/strong><\/p>\n<\/p>\n
          \u4f7f\u7528cv2.imwrite()<\/code>\u65b9\u6cd5\u4fdd\u5b58\u5904\u7406\u540e\u7684\u56fe\u7247\u3002<\/p>\n<\/p>\n
          def save_processed_images_cv2(folder, output_folder):<\/p>\n
              if not os.path.exists(output_folder):<\/p>\n
                  os.makedirs(output_folder)<\/p>\n
              for filename in os.listdir(folder):<\/p>\n
                  if filename.endswith(".jpg") or filename.endswith(".png"):<\/p>\n
                      img_path = os.path.join(folder, filename)<\/p>\n
                      img = cv2.imread(img_path)<\/p>\n
                      img = cv2.resize(img, (100, 100))<\/p>\n
                      cv2.imwrite(os.path.join(output_folder, filename), img)<\/p>\n
          <\/code><\/pre>\n<\/p>\n<\/li>\n<\/ol>\n
          \u901a\u8fc7\u4ee5\u4e0a\u65b9\u6cd5\uff0c\u6211\u4eec\u53ef\u4ee5\u5728Python\u4e2d\u7075\u6d3b\u5730\u6279\u91cf\u8bfb\u53d6\u548c\u5904\u7406\u56fe\u7247\u3002\u9009\u62e9\u5408\u9002\u7684\u5e93\u548c\u65b9\u6cd5\uff0c\u53ef\u4ee5\u6709\u6548\u63d0\u9ad8\u56fe\u50cf\u5904\u7406\u7684\u6548\u7387\u548c\u7075\u6d3b\u6027\u3002\u65e0\u8bba\u662f\u8fdb\u884c\u7b80\u5355\u7684\u6279\u91cf\u8bfb\u53d6\uff0c\u8fd8\u662f\u5728\u6b64\u57fa\u7840\u4e0a\u8fdb\u884c\u66f4\u590d\u6742\u7684\u56fe\u50cf\u5904\u7406\u64cd\u4f5c\uff0c\u638c\u63e1\u8fd9\u4e9b\u6280\u5de7\u90fd\u5c06\u4e3a\u4f60\u7684Python\u7f16\u7a0b\u63d0\u4f9b\u5f3a\u5927\u7684\u652f\u6301\u3002<\/p>\n<\/p>\n
          \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
           **\u5982\u4f55\u5728Python\u4e2d\u6279\u91cf\u8bfb\u53d6\u56fe\u7247\u6587\u4ef6\uff1f<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\u6279\u91cf\u8bfb\u53d6\u56fe\u7247\u7684\u65b9\u6cd5\u6709\u591a\u79cd\uff0c\u5305\u62ec\u4f7f\u7528os\u5e93\u3001glob\u5e93\u548c\u56fe\u50cf\u5904\u7406\u5e93\u5982PIL\uff08Pillow\uff09\u6216Op […]","protected":false},"author":3,"featured_media":987922,"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\/987913"}],"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=987913"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/987913\/revisions"}],"predecessor-version":[{"id":987926,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/987913\/revisions\/987926"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/987922"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=987913"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=987913"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=987913"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}