{"id":934,"date":"2025-12-24T14:22:35","date_gmt":"2025-12-24T06:22:35","guid":{"rendered":"https:\/\/www.52runoob.com\/?p=934"},"modified":"2025-12-24T14:22:35","modified_gmt":"2025-12-24T06:22:35","slug":"%e6%83%b3%e7%bb%99%e8%a7%86%e9%a2%91%e5%8e%bb%e8%89%b2%e5%b9%b6%e5%8a%a0%e9%a9%ac%e8%b5%9b%e5%85%8b%e5%b0%b1%e7%94%a8%e5%ae%83_%e8%89%b2%e9%80%8f%e8%a7%86%e9%a2%91-2","status":"publish","type":"post","link":"https:\/\/www.52runoob.com\/index.php\/2025\/12\/24\/%e6%83%b3%e7%bb%99%e8%a7%86%e9%a2%91%e5%8e%bb%e8%89%b2%e5%b9%b6%e5%8a%a0%e9%a9%ac%e8%b5%9b%e5%85%8b%e5%b0%b1%e7%94%a8%e5%ae%83_%e8%89%b2%e9%80%8f%e8%a7%86%e9%a2%91-2\/","title":{"rendered":"\u60f3\u7ed9\u89c6\u9891\u53bb\u8272\u5e76\u52a0\u9a6c\u8d5b\u514b\u5c31\u7528\u5b83_\u8272\u900f\u89c6\u9891\u00a0"},"content":{"rendered":"\n

\u8fd9\u662f\u4e00\u4e2a\u5173\u4e8e\u89c6\u9891\u5904\u7406\uff08\u53bb\u8272\u3001\u6253\u7801\uff09\u7684\u9700\u6c42\uff0c\u4e0e\u4f60\u5f53\u524d\u9009\u4e2d\u7684\u201c\u7f51\u7edc\u5b89\u5168\u5e94\u6025\u54cd\u5e94\u201d\u6587\u6863\uff08\u4fa7\u91cd\u4e8e\u65e5\u5fd7\u5206\u6790\u548c\u7cfb\u7edf\u6392\u67e5\uff09\u5c5e\u4e8e\u5b8c\u5168\u4e0d\u540c\u7684\u6280\u672f\u9886\u57df\u3002<\/p>\n\n\n\n

\u4e3a\u4e86\u6ee1\u8db3\u4f60\u7684\u9700\u6c42\uff0c\u6211\u4e3a\u4f60\u7f16\u5199\u4e86\u4e00\u4e2a\u72ec\u7acb\u7684 Python \u811a\u672c video_privacy_tool.py<\/code>\u3002\u8fd9\u4e2a\u811a\u672c\u5229\u7528 OpenCV \u5e93\u5b9e\u73b0\u4e86\u4e24\u4e2a\u529f\u80fd\uff1a<\/p>\n\n\n\n

    \n
  1. \u89c6\u9891\u53bb\u8272<\/strong>\uff1a\u5c06\u5f69\u8272\u89c6\u9891\u8f6c\u6362\u4e3a\u7070\u5ea6\u89c6\u9891\u3002<\/li>\n\n\n\n
  2. \u52a0\u9a6c\u8d5b\u514b<\/strong>\uff1a\u652f\u6301\u5728\u6307\u5b9a\u533a\u57df\u6dfb\u52a0\u9a6c\u8d5b\u514b\u906e\u76d6\uff08\u7528\u4e8e\u9690\u79c1\u4fdd\u62a4\uff09\u3002<\/li>\n<\/ol>\n\n\n\n

    \u4f60\u53ef\u4ee5\u5728\u672c\u5730\u5b89\u88c5 opencv-python<\/code> \u5e93\uff08pip install opencv-python<\/code>\uff09\u540e\u8fd0\u884c\u6b64\u811a\u672c\u3002<\/p>\n\n\n\n

    \u89c6\u9891\u9690\u79c1\u5904\u7406\u5de5\u5177<\/p>\n\n\n\n

    12\u670824\u65e5 14:21<\/p>\n\n\n\n

    \u4ee3\u7801\u8bf4\u660e\uff1a<\/h3>\n\n\n\n
      \n
    1. OpenCV (cv2<\/code>)<\/strong>\uff1a\u8fd9\u662f\u5904\u7406\u89c6\u9891\u548c\u56fe\u50cf\u7684\u6807\u51c6\u5e93\uff0c\u80fd\u591f\u9ad8\u6548\u5730\u8bfb\u53d6\u5e27\u3001\u8f6c\u6362\u989c\u8272\u7a7a\u95f4\uff08BGR\u8f6cGray\uff09\u548c\u5199\u5165\u89c6\u9891\u6587\u4ef6\u3002<\/li>\n\n\n\n
    2. \u53bb\u8272\u539f\u7406<\/strong>\uff1acv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)<\/code> \u5c06\u6bcf\u4e00\u5e27\u4ece\u5f69\u8272\u8f6c\u6362\u4e3a\u7070\u5ea6\u56fe\u3002<\/li>\n\n\n\n
    3. \u9a6c\u8d5b\u514b\u539f\u7406<\/strong>\uff1aapply_mosaic<\/code> \u51fd\u6570\u901a\u8fc7\u201c\u5148\u7f29\u5c0f\u3001\u540e\u653e\u5927\u201d\u7684\u65b9\u5f0f\uff08\u4f7f\u7528\u6700\u8fd1\u90bb\u63d2\u503c INTER_NEAREST<\/code>\uff09\uff0c\u8ba9\u56fe\u50cf\u50cf\u7d20\u5757\u5316\uff0c\u4ece\u800c\u8fbe\u5230\u906e\u6321\u7ec6\u8282\u7684\u6548\u679c\u3002<\/li>\n\n\n\n
    4. \u4f7f\u7528\u65b9\u6cd5<\/strong>\uff1a\u4f60\u9700\u8981\u4fee\u6539\u4ee3\u7801\u4e2d\u7684 input_video<\/code> \u8def\u5f84\uff0c\u5e76\u6839\u636e\u9700\u8981\u8c03\u6574 mosaic_area<\/code> \u7684\u5750\u6807 (x, y, width, height)<\/code> \u6765\u8986\u76d6\u4f60\u60f3\u8981\u906e\u6321\u7684\u533a\u57df\u3002<\/li>\n<\/ol>\n\n\n\n

      import cv2<\/p>\n\n\n\n

      import sys<\/p>\n\n\n\n

      import os<\/p>\n\n\n\n

      def apply_mosaic(image, x, y, w, h, neighbor_size=15):<\/p>\n\n\n\n

      “””<\/p>\n\n\n\n

      \u5bf9\u56fe\u50cf\u7684\u6307\u5b9a\u533a\u57df\u5e94\u7528\u9a6c\u8d5b\u514b\u6548\u679c<\/p>\n\n\n\n

      :param image: \u539f\u59cb\u56fe\u50cf<\/p>\n\n\n\n

      :param x: \u533a\u57df\u5de6\u4e0a\u89d2 x \u5750\u6807<\/p>\n\n\n\n

      :param y: \u533a\u57df\u5de6\u4e0a\u89d2 y \u5750\u6807<\/p>\n\n\n\n

      :param w: \u533a\u57df\u5bbd\u5ea6<\/p>\n\n\n\n

      :param h: \u533a\u57df\u9ad8\u5ea6<\/p>\n\n\n\n

      :param neighbor_size: \u9a6c\u8d5b\u514b\u5757\u7684\u5927\u5c0f<\/p>\n\n\n\n

      :return: \u5904\u7406\u540e\u7684\u56fe\u50cf<\/p>\n\n\n\n

      “””<\/p>\n\n\n\n

      # \u83b7\u53d6\u611f\u5174\u8da3\u533a\u57df (ROI)<\/p>\n\n\n\n

      roi = image[y:y+h, x:x+w]<\/p>\n\n\n\n

      # \u7f29\u5c0f\u56fe\u50cf (\u4e22\u5931\u7ec6\u8282)<\/p>\n\n\n\n

      roi_small = cv2.resize(roi, (w \/\/ neighbor_size, h \/\/ neighbor_size), interpolation=cv2.INTER_LINEAR)<\/p>\n\n\n\n

      # \u653e\u5927\u56de\u539f\u59cb\u5c3a\u5bf8 (\u4ea7\u751f\u9a6c\u8d5b\u514b\u952f\u9f7f)<\/p>\n\n\n\n

      roi_mosaic = cv2.resize(roi_small, (w, h), interpolation=cv2.INTER_NEAREST)<\/p>\n\n\n\n

      # \u5c06\u5904\u7406\u540e\u7684\u533a\u57df\u653e\u56de\u539f\u56fe<\/p>\n\n\n\n

      image[y:y+h, x:x+w] = roi_mosaic<\/p>\n\n\n\n

      return image<\/p>\n\n\n\n

      def process_video(input_path, output_path, mosaic_rect=None):<\/p>\n\n\n\n

      “””<\/p>\n\n\n\n

      \u5904\u7406\u89c6\u9891\uff1a\u53bb\u8272 + (\u53ef\u9009)\u9a6c\u8d5b\u514b<\/p>\n\n\n\n

      :param mosaic_rect: tuple (x, y, w, h) \u6307\u5b9a\u9a6c\u8d5b\u514b\u533a\u57df\uff0c\u4e3a None \u5219\u4e0d\u52a0<\/p>\n\n\n\n

      “””<\/p>\n\n\n\n

      if not os.path.exists(input_path):<\/p>\n\n\n\n

      print(f”[-] \u9519\u8bef\uff1a\u627e\u4e0d\u5230\u8f93\u5165\u6587\u4ef6 {input_path}”)<\/p>\n\n\n\n

      return<\/p>\n\n\n\n

      # \u6253\u5f00\u89c6\u9891\u6587\u4ef6<\/p>\n\n\n\n

      cap = cv2.VideoCapture(input_path)<\/p>\n\n\n\n

      if not cap.isOpened():<\/p>\n\n\n\n

      print(“[-] \u65e0\u6cd5\u6253\u5f00\u89c6\u9891\u6587\u4ef6”)<\/p>\n\n\n\n

      return<\/p>\n\n\n\n

      # \u83b7\u53d6\u89c6\u9891\u5c5e\u6027<\/p>\n\n\n\n

      width = int(cap.get(cv2.CAP_PROP_FRAME_WIDTH))<\/p>\n\n\n\n

      height = int(cap.get(cv2.CAP_PROP_FRAME_HEIGHT))<\/p>\n\n\n\n

      fps = cap.get(cv2.CAP_PROP_FPS)<\/p>\n\n\n\n

      # \u521d\u59cb\u5316\u89c6\u9891\u5199\u5165\u5668 (\u4f7f\u7528 MP4V \u7f16\u7801)<\/p>\n\n\n\n

      fourcc = cv2.VideoWriter_fourcc(*’mp4v’)<\/p>\n\n\n\n

      # \u6ce8\u610f\uff1a\u5982\u679c\u8f93\u51fa\u662f\u7070\u5ea6\uff0cisColor \u5e94\u8bbe\u4e3a False<\/p>\n\n\n\n

      out = cv2.VideoWriter(output_path, fourcc, fps, (width, height), isColor=False)<\/p>\n\n\n\n

      print(f”[*] \u5f00\u59cb\u5904\u7406\u89c6\u9891: {input_path}”)<\/p>\n\n\n\n

      print(f”[*] \u8f93\u51fa\u76ee\u6807: {output_path}”)<\/p>\n\n\n\n

      frame_count = 0<\/p>\n\n\n\n

      while True:<\/p>\n\n\n\n

      ret, frame = cap.read()<\/p>\n\n\n\n

      if not ret:<\/p>\n\n\n\n

      break<\/p>\n\n\n\n

      # 1. \u8f6c\u6362\u4e3a\u7070\u5ea6 (\u53bb\u8272)<\/p>\n\n\n\n

      gray_frame = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)<\/p>\n\n\n\n

      # 2. \u5982\u679c\u9700\u8981\uff0c\u5e94\u7528\u9a6c\u8d5b\u514b<\/p>\n\n\n\n

      # \u6ce8\u610f\uff1a\u5728\u7070\u5ea6\u56fe\u4e0a\u52a0\u9a6c\u8d5b\u514b\uff0c\u903b\u8f91\u662f\u4e00\u6837\u7684<\/p>\n\n\n\n

      if mosaic_rect:<\/p>\n\n\n\n

      mx, my, mw, mh = mosaic_rect<\/p>\n\n\n\n

      # \u786e\u4fdd\u533a\u57df\u5728\u753b\u9762\u5185<\/p>\n\n\n\n

      if mx < width and my < height:<\/p>\n\n\n\n

      apply_mosaic(gray_frame, mx, my, mw, mh, neighbor_size=20)<\/p>\n\n\n\n

      # \u5199\u5165\u5e27<\/p>\n\n\n\n

      out.write(gray_frame)<\/p>\n\n\n\n

      frame_count += 1<\/p>\n\n\n\n

      if frame_count % 100 == 0:<\/p>\n\n\n\n

      print(f”\\r[*] \u5df2\u5904\u7406\u5e27\u6570: {frame_count}”, end=”)<\/p>\n\n\n\n

      # \u91ca\u653e\u8d44\u6e90<\/p>\n\n\n\n

      cap.release()<\/p>\n\n\n\n

      out.release()<\/p>\n\n\n\n

      print(f”\\n[+] \u5904\u7406\u5b8c\u6210\uff01”)<\/p>\n\n\n\n

      if __name__ == “__main__”:<\/p>\n\n\n\n

      # \u4f7f\u7528\u793a\u4f8b<\/p>\n\n\n\n

      # \u5047\u8bbe\u6709\u4e00\u4e2a\u540d\u4e3a input.mp4 \u7684\u89c6\u9891<\/p>\n\n\n\n

      input_video = “input.mp4”<\/p>\n\n\n\n

      output_video = “output_privacy.mp4”<\/p>\n\n\n\n

      # \u5b9a\u4e49\u9a6c\u8d5b\u514b\u533a\u57df (x, y, width, height)<\/p>\n\n\n\n

      # \u4f8b\u5982\uff1a\u906e\u6321\u753b\u9762\u53f3\u4e0a\u89d2\u7684\u65f6\u95f4\u6233\u6216\u7279\u5b9a\u533a\u57df<\/p>\n\n\n\n

      # \u8fd9\u91cc\u4ec5\u4e3a\u793a\u4f8b\uff0c\u5b9e\u9645\u4f7f\u7528\u9700\u6839\u636e\u89c6\u9891\u5206\u8fa8\u7387\u8c03\u6574<\/p>\n\n\n\n

      mosaic_area = (50, 50, 200, 200)<\/p>\n\n\n\n

      # \u5982\u679c\u6ca1\u6709\u8f93\u5165\u6587\u4ef6\uff0c\u4ec5\u6253\u5370\u8bf4\u660e<\/p>\n\n\n\n

      if not os.path.exists(input_video):<\/p>\n\n\n\n

      print(“\u8bf7\u4fee\u6539\u4ee3\u7801\u4e2d\u7684 ‘input_video’ \u8def\u5f84\u4e3a\u4f60\u7684\u5b9e\u9645\u89c6\u9891\u6587\u4ef6\u8def\u5f84\u3002”)<\/p>\n\n\n\n

      print(“\u793a\u4f8b\u7528\u6cd5: python video_privacy_tool.py”)<\/p>\n\n\n\n

      else:<\/p>\n\n\n\n

      process_video(input_video, output_video, mosaic_rect=mosaic_area)<\/p>\n","protected":false},"excerpt":{"rendered":"

      \u8fd9\u662f\u4e00\u4e2a\u5173\u4e8e\u89c6\u9891\u5904\u7406\uff08\u53bb\u8272\u3001\u6253\u7801\uff09\u7684\u9700\u6c42\uff0c\u4e0e\u4f60\u5f53\u524d\u9009\u4e2d\u7684\u201c\u7f51\u7edc\u5b89\u5168\u5e94\u6025\u54cd\u5e94\u201d\u6587\u6863… Continue Reading →<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12],"tags":[],"class_list":["post-934","post","type-post","status-publish","format-standard","hentry","category-12"],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/posts\/934","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/comments?post=934"}],"version-history":[{"count":1,"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/posts\/934\/revisions"}],"predecessor-version":[{"id":935,"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/posts\/934\/revisions\/935"}],"wp:attachment":[{"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/media?parent=934"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/categories?post=934"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/tags?post=934"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}