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class=\"wp-block-paragraph\">\u5982\u679c\u9700\u8981\u66f4\u7cbe\u7ec6\u7684\u8fd0\u52a8\u4fe1\u606f\u6216\u5bf9\u5c0f\u5e45\u5ea6\u8fd0\u52a8\u7684\u5224\u65ad\uff0c\u53ef\u4ee5\u9009\u62e9\u4f7f\u7528\u5149\u6d41\u6cd5\u3002\u5149\u6d41\u6cd5\u5728\u50cf\u7d20\u7ea7\u522b\u63d0\u4f9b\u4e86\u66f4\u4e30\u5bcc\u7684\u8fd0\u52a8\u4fe1\u606f\uff0c\u80fd\u591f\u8f83\u51c6\u786e\u5730\u4f30\u8ba1\u5404\u4e2a\u50cf\u7d20\u7684\u8fd0\u52a8\u77e2\u91cf\uff0c\u5bf9\u4e8e\u5c0f\u5e45\u5ea6\u7684\u8fd0\u52a8\u6709\u8f83\u597d\u7684\u6548\u679c\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e00\u6bb5\u5e27\u5dee\u6cd5\u7684\u5b9e\u4f8b\uff0c\u8be5\u5b9e\u4f8b\u57fa\u4e8epyton\u548copenCv<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>import cv2\r\n\r\ndef motion_detection(video_url):\r\n    # \u521b\u5efa\u89c6\u9891\u6355\u6349\u5bf9\u8c61\u5e76\u6253\u5f00\u89c6\u9891\u6d41\r\n    capture = cv2.VideoCapture(video_url)\r\n\r\n    previous_frame = None\r\n\r\n    while capture.isOpened():\r\n        ret, frame = capture.read()\r\n        if not ret:\r\n            break\r\n\r\n        # \u5c06\u5f53\u524d\u5e27\u8f6c\u6362\u4e3a\u7070\u5ea6\u56fe\u50cf\r\n        current_frame = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)\r\n        current_frame = cv2.GaussianBlur(current_frame, (21, 21), 0)\r\n\r\n        # \u9996\u6b21\u8fed\u4ee3\u65f6\uff0c\u5c06\u5f53\u524d\u5e27\u4fdd\u5b58\u4e3a\u524d\u4e00\u5e27\r\n        if previous_frame is None:\r\n            previous_frame = current_frame\r\n            continue\r\n\r\n        # \u8ba1\u7b97\u5f53\u524d\u5e27\u4e0e\u524d\u4e00\u5e27\u4e4b\u95f4\u7684\u5dee\u5f02\r\n        frame_diff = cv2.absdiff(previous_frame, current_frame)\r\n        _, frame_diff = cv2.threshold(frame_diff, 25, 255, cv2.THRESH_BINARY)\r\n\r\n        # \u6267\u884c\u56fe\u50cf\u8150\u8680\u548c\u81a8\u80c0\u4ee5\u6d88\u9664\u566a\u97f3\r\n        frame_diff = cv2.erode(frame_diff, None, iterations=2)\r\n        frame_diff = cv2.dilate(frame_diff, None, iterations=2)\r\n\r\n        # \u67e5\u627e\u56fe\u50cf\u4e2d\u7684\u8f6e\u5ed3\r\n        contours, _ = cv2.findContours(frame_diff.copy(), cv2.RETR_EXTERNAL, cv2.CHAIN_APPROX_SIMPLE)\r\n\r\n        motion_detected = False\r\n\r\n        # \u5bf9\u6bcf\u4e2a\u8f6e\u5ed3\u8fdb\u884c\u5faa\u73af\u904d\u5386\r\n        for contour in contours:\r\n            if cv2.contourArea(contour) > 500:  # \u6839\u636e\u9700\u8981\u8c03\u6574\u9608\u503c\r\n                (x, y, w, h) = cv2.boundingRect(contour)\r\n                cv2.rectangle(frame, (x, y), (x + w, y + h), (0, 255, 0), 2)\r\n                motion_detected = True\r\n\r\n        # \u663e\u793a\u5f53\u524d\u5e27\u548c\u68c0\u6d4b\u5230\u7684\u8fd0\u52a8\u72b6\u6001\r\n        cv2.imshow(\"Motion Detection\", frame)\r\n\r\n        if motion_detected:\r\n            print(\"\u8fd0\u52a8\u4e2d!\")\r\n        else:\r\n            print(\"\u672a\u8fd0\u52a8\")\r\n\r\n        # \u66f4\u65b0\u524d\u4e00\u5e27\r\n        previous_frame = current_frame\r\n\r\n        if cv2.waitKey(1) &amp; 0xFF == ord('q'):\r\n            break\r\n\r\n    # \u91ca\u653e\u8d44\u6e90\u548c\u9500\u6bc1\u7a97\u53e3\r\n    capture.release()\r\n    cv2.destroyAllWindows()\r\n\r\n# \u8c03\u7528\u65b9\u6cd5\u8fdb\u884c\u8fd0\u52a8\u68c0\u6d4b\r\nvideo_url = \"XXXXXXXXXX\"\r\nmotion_detection(video_url)\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u57fa\u672c\u7684\u89c6\u9891\u8fd0\u52a8\u68c0\u6d4b\u7b97\u6cd5\uff1a \u5149\u6d41\u6cd5\u7684\u4f18\u7f3a\u70b9 \u5149\u6d41\u6cd5\u548c\u5e27\u5dee\u6cd5\u662f\u5e38\u7528\u7684\u8fd0\u52a8\u68c0\u6d4b\u65b9\u6cd5\uff0c\u5b83\u4eec\u5404\u81ea\u6709\u4e00\u4e9b\u4f18\u70b9\u548c\u7f3a\u70b9\u3002\u4e0b\u9762\u662f [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[19],"tags":[21,20,22],"class_list":["post-377","post","type-post","status-publish","format-standard","hentry","category-19","tag-opencv","tag-python","tag-22"],"_links":{"self":[{"href":"http:\/\/iwebg.cn\/index.php\/wp-json\/wp\/v2\/posts\/377","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/iwebg.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/iwebg.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/iwebg.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/iwebg.cn\/index.php\/wp-json\/wp\/v2\/comments?post=377"}],"version-history":[{"count":1,"href":"http:\/\/iwebg.cn\/index.php\/wp-json\/wp\/v2\/posts\/377\/revisions"}],"predecessor-version":[{"id":378,"href":"http:\/\/iwebg.cn\/index.php\/wp-json\/wp\/v2\/posts\/377\/revisions\/378"}],"wp:attachment":[{"href":"http:\/\/iwebg.cn\/index.php\/wp-json\/wp\/v2\/media?parent=377"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/iwebg.cn\/index.php\/wp-json\/wp\/v2\/categories?post=377"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/iwebg.cn\/index.php\/wp-json\/wp\/v2\/tags?post=377"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}