{"id":38824,"date":"2024-11-02T00:57:22","date_gmt":"2024-11-02T00:57:22","guid":{"rendered":"http:\/\/atmokpo.com\/w\/?p=38824"},"modified":"2024-11-26T06:43:14","modified_gmt":"2024-11-26T06:43:14","slug":"opencv-%ea%b0%95%ec%a2%8c-cascade-%eb%aa%a8%eb%8d%b8%ec%9d%84-%ed%86%b5%ed%95%9c-%ec%8b%a4%ec%8b%9c%ea%b0%84-%ec%96%bc%ea%b5%b4-%ec%9d%b8%ec%8b%9d","status":"publish","type":"post","link":"https:\/\/atmokpo.com\/w\/38824\/","title":{"rendered":"OpenCV \uac15\uc88c, Cascade \ubaa8\ub378\uc744 \ud1b5\ud55c \uc2e4\uc2dc\uac04 \uc5bc\uad74 \uc778\uc2dd"},"content":{"rendered":"<p><body><\/p>\n<p>\uc548\ub155\ud558\uc138\uc694! \uc774\ubc88 \uae00\uc5d0\uc11c\ub294 OpenCV \ub77c\uc774\ube0c\ub7ec\ub9ac\ub97c \ud65c\uc6a9\ud558\uc5ec Cascade \ubaa8\ub378\uc744 \ud1b5\ud55c \uc2e4\uc2dc\uac04 \uc5bc\uad74 \uc778\uc2dd\uc5d0 \ub300\ud574 \uc54c\uc544\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. OpenCV\ub294 \ucef4\ud4e8\ud130 \ube44\uc804 \ubd84\uc57c\uc5d0\uc11c \ub110\ub9ac \uc0ac\uc6a9\ub418\ub294 \ub77c\uc774\ube0c\ub7ec\ub9ac\ub85c, \uc5bc\uad74 \uc778\uc2dd \uae30\uc220\uc744 \uc27d\uac8c \uad6c\ud604\ud560 \uc218 \uc788\ub294 \uac15\ub825\ud55c \ub3c4\uad6c\uc785\ub2c8\ub2e4.<\/p>\n<h2>1. Cascade \ubaa8\ub378\uc774\ub780?<\/h2>\n<p>Cascade \ubaa8\ub378\uc740 Haar \ud2b9\uc9d5\uacfc Adaboost \uc54c\uace0\ub9ac\uc998\uc744 \ud65c\uc6a9\ud558\uc5ec \uc5bc\uad74\uc744 \uc778\uc2dd\ud558\ub294 \ubc29\ubc95\uc785\ub2c8\ub2e4. \uc774 \ubaa8\ub378\uc740 &#8216;cascade&#8217; \uad6c\uc870\ub85c \ub418\uc5b4 \uc788\uc5b4, \uc5ec\ub7ec \ub2e8\uacc4\uc758 \ubd84\ub958\uae30\ub97c \ud1b5\ud574 \uc774\ubbf8\uc9c0 \ub0b4 \uc5bc\uad74 \uc601\uc5ed\uc744 \uc810\uc9c4\uc801\uc73c\ub85c \ucc3e\ub294 \ubc29\uc2dd\uc785\ub2c8\ub2e4. \uac01 \ub2e8\uacc4\uc5d0\uc11c \uc5bc\uad74\ub85c \ubcf4\uc774\uc9c0 \uc54a\ub294 \ubd80\ubd84\uc740 \ub354 \uc774\uc0c1 \uac80\uc0ac\ud558\uc9c0 \uc54a\uc74c\uc73c\ub85c\uc368, \ud6a8\uc728\uc801\uc778 \uc5f0\uc0b0\uc774 \uac00\ub2a5\ud569\ub2c8\ub2e4.<\/p>\n<h3>1.1 Haar \ud2b9\uc9d5<\/h3>\n<p>Haar \ud2b9\uc9d5\uc740 \uc774\ubbf8\uc9c0\uc758 \ud2b9\uc815 \ud328\ud134\uc744 \uc0ac\uc6a9\ud558\uc5ec \ubb3c\uccb4\ub97c \uc778\uc2dd\ud558\ub294 \ubc29\ubc95\uc785\ub2c8\ub2e4. \uc774\ub294 \uc8fc\ub85c \ud53d\uc140\uc758 \uba85\uc554 \ucc28\uc774\ub97c \uae30\ubc18\uc73c\ub85c \ud558\uc5ec \ubb3c\uccb4\uc758 \ubaa8\uc591\uc744 \uc778\uc2dd\ud569\ub2c8\ub2e4.<\/p>\n<h3>1.2 Adaboost \uc54c\uace0\ub9ac\uc998<\/h3>\n<p>Adaboost\ub294 \uc5ec\ub7ec \uc57d\ud55c \ud559\uc2b5\uae30\ub97c \uacb0\ud569\ud558\uc5ec \uac15\ud55c \ud559\uc2b5\uae30\ub97c \ub9cc\ub4dc\ub294 \uc54c\uace0\ub9ac\uc998\uc785\ub2c8\ub2e4. Cascade \ubaa8\ub378\uc5d0\uc11c\ub294 \uac01 \ub2e8\uacc4\uc5d0\uc11c \ubd84\ub958\uae30\uc758 \uc815\ud655\ub3c4\ub97c \ub192\uc774\uae30 \uc704\ud574 Adaboost\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n<h2>2. OpenCV\uc640 Cascade \ubaa8\ub378 \uc124\uc815<\/h2>\n<p>OpenCV\ub97c \uc0ac\uc6a9\ud558\uae30 \uc704\ud574 \uba3c\uc800 Python\uacfc OpenCV \ub77c\uc774\ube0c\ub7ec\ub9ac\ub97c \uc124\uce58\ud574\uc57c \ud569\ub2c8\ub2e4. \ub2e4\uc74c \uba85\ub839\uc5b4\ub85c \uc124\uce58\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n<pre><code>pip install opencv-python<\/code><\/pre>\n<h3>2.1 Haarcascade \ud30c\uc77c \ub2e4\uc6b4\ub85c\ub4dc<\/h3>\n<p>OpenCV\ub294 \ub2e4\uc591\ud55c \ubd84\ub958\uae30\ub97c \ubbf8\ub9ac \ud559\uc2b5\uc2dc\ucf1c \uc81c\uacf5\ud558\ub294 Haarcascade \ud30c\uc77c\uc744 \uac00\uc9c0\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc5bc\uad74 \uc778\uc2dd\uc744 \uc704\ud55c Haarcascade \ud30c\uc77c\uc740 \ub2e4\uc74c \ub9c1\ud06c\uc5d0\uc11c \ub2e4\uc6b4\ub85c\ub4dc\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n<ul>\n<li><a href=\"https:\/\/github.com\/opencv\/opencv\/tree\/master\/data\/haarcascades\">Haarcascades GitHub Repository<\/a><\/li>\n<\/ul>\n<p>\uc704 \ub9c1\ud06c\uc5d0\uc11c <code>haarcascade_frontalface_default.xml<\/code> \ud30c\uc77c\uc744 \ub2e4\uc6b4\ub85c\ub4dc\ud569\ub2c8\ub2e4.<\/p>\n<h2>3. \uc2e4\uc2dc\uac04 \uc5bc\uad74 \uc778\uc2dd \uad6c\ud604<\/h2>\n<p>\uc774\uc81c OpenCV\ub97c \ud65c\uc6a9\ud558\uc5ec \uc2e4\uc2dc\uac04 \uc5bc\uad74 \uc778\uc2dd\uc744 \uad6c\ud604\ud574\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \uc544\ub798 \ucf54\ub4dc\ub294 \uc6f9\ucea0\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc2e4\uc2dc\uac04\uc73c\ub85c \uc5bc\uad74\uc744 \uc778\uc2dd\ud558\ub294 \uc608\uc81c\uc785\ub2c8\ub2e4:<\/p>\n<div class=\"example\">\n<pre><code>import cv2\n\n# \uc5bc\uad74 \uc778\uc2dd\uc744 \uc704\ud55c Haarcascade \ud30c\uc77c \uacbd\ub85c \uc124\uc815\ncascPath = 'path\/to\/haarcascade_frontalface_default.xml'\n\n# \uc5bc\uad74 \uc778\uc2dd \ubd84\ub958\uae30 \ub85c\ub4dc\nface_cascade = cv2.CascadeClassifier(cascPath)\n\n# \uc6f9\ucea0 \uc2dc\uc791\nvideo_capture = cv2.VideoCapture(0)\n\nwhile True:\n    # \uc6f9\ucea0\uc5d0\uc11c \ud504\ub808\uc784 \uc77d\uae30\n    ret, frame = video_capture.read()\n\n    # \uc774\ubbf8\uc9c0\ub97c \uadf8\ub808\uc774\uc2a4\ucf00\uc77c\ub85c \ubcc0\ud658\n    gray = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)\n\n    # \uc5bc\uad74 \uc778\uc2dd\n    faces = face_cascade.detectMultiScale(gray, scaleFactor=1.1, minNeighbors=5, minSize=(30, 30))\n\n    # \uc778\uc2dd\ub41c \uc5bc\uad74\uc5d0 \uc0ac\uac01\ud615 \uadf8\ub9ac\uae30\n    for (x, y, w, h) in faces:\n        cv2.rectangle(frame, (x, y), (x + w, y + h), (255, 0, 0), 2)\n\n    # \uacb0\uacfc \ucd9c\ub825\n    cv2.imshow('Video', frame)\n\n    # 'q' \ud0a4\ub97c \ub20c\ub7ec \uc885\ub8cc\n    if cv2.waitKey(1) &amp; 0xFF == ord('q'):\n        break\n\n# \uc6f9\ucea0\uacfc \ubaa8\ub4e0 \uc708\ub3c4\uc6b0 \uc885\ub8cc\nvideo_capture.release()\ncv2.destroyAllWindows()\n<\/code><\/pre>\n<\/div>\n<h2>4. \ucf54\ub4dc \uc124\uba85<\/h2>\n<p>\uc704 \ucf54\ub4dc\ub294 \ub2e4\uc74c \ub2e8\uacc4\ub85c \uad6c\uc131\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n<ul>\n<li><strong>Haarcascade \ubaa8\ub378 \ub85c\ub4dc:<\/strong> Haarcascade XML \ud30c\uc77c\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc5bc\uad74 \uc778\uc2dd \ubaa8\ub378\uc744 \ub85c\ub4dc\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\uc6f9\ucea0 \uc5f4\uae30:<\/strong> <code>cv2.VideoCapture(0)<\/code>\ub97c \ud1b5\ud574 \uc6f9\ucea0\uc744 \uc5f4\uace0 \ube44\ub514\uc624 \uc2a4\ud2b8\ub9bc\uc744 \uc2dc\uc791\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\ud504\ub808\uc784 \uc77d\uae30:<\/strong> \ubb34\ud55c \ub8e8\ud504\ub97c \ud1b5\ud574 \uc6f9\ucea0\uc5d0\uc11c \uc2e4\uc2dc\uac04\uc73c\ub85c \ud504\ub808\uc784\uc744 \uc77d\uc2b5\ub2c8\ub2e4.<\/li>\n<li><strong>\uadf8\ub808\uc774\uc2a4\ucf00\uc77c \ubcc0\ud658:<\/strong> \uc5bc\uad74 \uac80\ucd9c\uc744 \uc704\ud574 \uceec\ub7ec \uc774\ubbf8\uc9c0\ub97c \uadf8\ub808\uc774\uc2a4\ucf00\uc77c\ub85c \ubcc0\ud658\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\uc5bc\uad74 \uac80\ucd9c:<\/strong> <code>face_cascade.detectMultiScale<\/code>\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc5bc\uad74\uc744 \uac80\ucd9c\ud558\uace0, \uac80\ucd9c\ub41c \uc5bc\uad74 \uc8fc\ubcc0\uc5d0 \uc0ac\uac01\ud615\uc744 \uadf8\ub9bd\ub2c8\ub2e4.<\/li>\n<li><strong>\ud654\uba74 \ud45c\uc2dc:<\/strong> <code>cv2.imshow<\/code>\ub85c \uacb0\uacfc\ub97c \ud654\uba74\uc5d0 \uc778\uc1c4\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\uc885\ub8cc \uc870\uac74:<\/strong> <code>'q'<\/code> \ud0a4\ub97c \ub20c\ub7ec \ud504\ub85c\uadf8\ub7a8\uc744 \uc885\ub8cc\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h2>5. \ucd94\uac00 \uac1c\uc120 \uc0ac\ud56d<\/h2>\n<p>\uc2e4\uc2dc\uac04 \uc5bc\uad74 \uc778\uc2dd \uc2dc\uc2a4\ud15c\uc740 \uc544\ub798\uc640 \uac19\uc740 \ucd94\uac00 \uac1c\uc120\uc744 \ud1b5\ud574 \ub354\uc6b1 \ubc1c\uc804\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n<ul>\n<li><strong>\ub2e4\uc911 \uc5bc\uad74 \uc778\uc2dd:<\/strong> \ud604\uc7ac \ucf54\ub4dc\ub294 \uc5ec\ub7ec \uc5bc\uad74\uc744 \uc778\uc2dd\ud558\uace0 \ud45c\uc2dc\ud560 \uc218 \uc788\uc9c0\ub9cc, \uc778\uc2dd\ub41c \uac01 \uc5bc\uad74\uc5d0 \ub300\ud55c \ucd94\uac00 \uc815\ubcf4\ub97c \uc81c\uacf5\ud558\ub294 \uae30\ub2a5\uc744 \uad6c\ud604\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li><strong>\ud45c\uc815 \uc778\uc2dd:<\/strong> \uc5bc\uad74 \uc778\uc2dd\ubfd0\ub9cc \uc544\ub2c8\ub77c \ud45c\uc815 \uc778\uc2dd\uc744 \ucd94\uac00\ud558\uc5ec \uac10\uc815\uc744 \ucd94\uc815\ud558\ub294 \uc2dc\uc2a4\ud15c\uc73c\ub85c \ubc1c\uc804\uc2dc\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li><strong>\uc0ac\ub78c \uc778\uc2dd:<\/strong> \ub2e8\uc21c\ud788 \uc5bc\uad74\uc744 \uc778\uc2dd\ud558\ub294 \uac83\ubfd0\ub9cc \uc544\ub2c8\ub77c \ud2b9\uc815 \uc0ac\ub78c\uc744 \uc778\uc2dd\ud558\ub3c4\ub85d \uc54c\uace0\ub9ac\uc998\uc744 \uac1c\uc120\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h2>6. \ub9c8\uce58\uba70<\/h2>\n<p>OpenCV\ub97c \uc774\uc6a9\ud55c \uc2e4\uc2dc\uac04 \uc5bc\uad74 \uc778\uc2dd \uad6c\ud604\uc744 \ud1b5\ud574 \ucef4\ud4e8\ud130 \ube44\uc804 \ubd84\uc57c\uc758 \uae30\ubcf8\uc801\uc778 \uc774\ud574\ub97c \ub3d5\uace0, \ub354 \ub098\uc544\uac00 \ub2e4\uc591\ud55c \uc751\uc6a9 \ud504\ub85c\uadf8\ub7a8\uc744 \uac1c\ubc1c\ud560 \uc218 \uc788\ub294 \uae30\ubc18\uc744 \ub9c8\ub828\ud558\uac8c \ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc774 \uae30\uc220\uc740 \ubcf4\uc548 \uc2dc\uc2a4\ud15c, \uc0ac\uc6a9\uc790 \uc778\uc2dd, AR\/VR \ud658\uacbd \ub4f1\uc5d0\uc11c \ud3ed\ub113\uac8c \ud65c\uc6a9\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\uc55e\uc73c\ub85c\ub3c4 OpenCV\ub97c \ud65c\uc6a9\ud55c \ub2e4\uc591\ud55c \uc774\ubbf8\uc9c0 \ucc98\ub9ac \ubc0f \ucef4\ud4e8\ud130 \ube44\uc804 \uae30\uc220\uc5d0 \ub300\ud574 \ub2e4\ub8f0 \uc608\uc815\uc774\ub2c8 \ub9ce\uc740 \uad00\uc2ec \ubd80\ud0c1\ub4dc\ub9bd\ub2c8\ub2e4. \uac10\uc0ac\ud569\ub2c8\ub2e4!<\/p>\n<p><\/body><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uc548\ub155\ud558\uc138\uc694! \uc774\ubc88 \uae00\uc5d0\uc11c\ub294 OpenCV \ub77c\uc774\ube0c\ub7ec\ub9ac\ub97c \ud65c\uc6a9\ud558\uc5ec Cascade \ubaa8\ub378\uc744 \ud1b5\ud55c \uc2e4\uc2dc\uac04 \uc5bc\uad74 \uc778\uc2dd\uc5d0 \ub300\ud574 \uc54c\uc544\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. OpenCV\ub294 \ucef4\ud4e8\ud130 \ube44\uc804 \ubd84\uc57c\uc5d0\uc11c \ub110\ub9ac \uc0ac\uc6a9\ub418\ub294 \ub77c\uc774\ube0c\ub7ec\ub9ac\ub85c, \uc5bc\uad74 \uc778\uc2dd \uae30\uc220\uc744 \uc27d\uac8c \uad6c\ud604\ud560 \uc218 \uc788\ub294 \uac15\ub825\ud55c \ub3c4\uad6c\uc785\ub2c8\ub2e4. 1. Cascade \ubaa8\ub378\uc774\ub780? Cascade \ubaa8\ub378\uc740 Haar \ud2b9\uc9d5\uacfc Adaboost \uc54c\uace0\ub9ac\uc998\uc744 \ud65c\uc6a9\ud558\uc5ec \uc5bc\uad74\uc744 \uc778\uc2dd\ud558\ub294 \ubc29\ubc95\uc785\ub2c8\ub2e4. \uc774 \ubaa8\ub378\uc740 &#8216;cascade&#8217; \uad6c\uc870\ub85c \ub418\uc5b4 \uc788\uc5b4, \uc5ec\ub7ec \ub2e8\uacc4\uc758 \ubd84\ub958\uae30\ub97c \ud1b5\ud574 \uc774\ubbf8\uc9c0 \ub0b4 &hellip; <a href=\"https:\/\/atmokpo.com\/w\/38824\/\" class=\"more-link\">\ub354 \ubcf4\uae30<span class=\"screen-reader-text\"> &#8220;OpenCV \uac15\uc88c, Cascade \ubaa8\ub378\uc744 \ud1b5\ud55c \uc2e4\uc2dc\uac04 \uc5bc\uad74 \uc778\uc2dd&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[187],"tags":[],"class_list":["post-38824","post","type-post","status-publish","format-standard","hentry","category-opencv"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>OpenCV \uac15\uc88c, Cascade \ubaa8\ub378\uc744 \ud1b5\ud55c \uc2e4\uc2dc\uac04 \uc5bc\uad74 \uc778\uc2dd - \ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/atmokpo.com\/w\/38824\/\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"OpenCV \uac15\uc88c, Cascade \ubaa8\ub378\uc744 \ud1b5\ud55c \uc2e4\uc2dc\uac04 \uc5bc\uad74 \uc778\uc2dd - \ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8\" \/>\n<meta property=\"og:description\" content=\"\uc548\ub155\ud558\uc138\uc694! \uc774\ubc88 \uae00\uc5d0\uc11c\ub294 OpenCV \ub77c\uc774\ube0c\ub7ec\ub9ac\ub97c \ud65c\uc6a9\ud558\uc5ec Cascade \ubaa8\ub378\uc744 \ud1b5\ud55c \uc2e4\uc2dc\uac04 \uc5bc\uad74 \uc778\uc2dd\uc5d0 \ub300\ud574 \uc54c\uc544\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. 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