OpenCV\ub294 \uc774\ubbf8\uc9c0 \ubc0f \ube44\ub514\uc624 \ucc98\ub9ac\uc5d0 \ub110\ub9ac \uc0ac\uc6a9\ub418\ub294 \uac15\ub825\ud55c \ub77c\uc774\ube0c\ub7ec\ub9ac\uc785\ub2c8\ub2e4. \uc774 \uac15\uc88c\uc5d0\uc11c\ub294 \uac1d\uccb4 \uac80\ucd9c\uacfc \uc2e4\uc2dc\uac04 \uac80\ucd9c\uc758 \uac1c\ub150\uc5d0 \ub300\ud574 \uae4a\uc774 \uc788\uac8c \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \ud2b9\ud788, \ud30c\uc774\uc36c\uc744 \uc0ac\uc6a9\ud558\uc5ec OpenCV \ud504\ub808\uc784\uc6cc\ud06c\uc5d0\uc11c \uc774\ub97c \uad6c\ud604\ud558\ub294 \ubc29\ubc95\uc744 \ub2e4\ub8e8\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n
\uac1d\uccb4 \uac80\ucd9c(Object Detection)\uc740 \uc774\ubbf8\uc9c0\ub098 \uc601\uc0c1\uc5d0\uc11c \ud2b9\uc815 \uac1d\uccb4\ub97c \ucc3e\uace0 \uc774\ub97c \ud45c\uc2dc\ud558\ub294 \uae30\uc220\uc785\ub2c8\ub2e4. \uac80\ucd9c \uacfc\uc815\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \ub2e4\uc74c \ub450 \uac00\uc9c0 \ub2e8\uacc4\ub85c \ub098\ub204\uc5b4\uc9d1\ub2c8\ub2e4:<\/p>\n
\ud2b9\uc9d5 \ucd94\ucd9c\uc740 \uc774\ubbf8\uc9c0 \ucc98\ub9ac\uc758 \uc911\uc694\ud55c \ubd80\ubd84\uc73c\ub85c, \uc5ec\ub7ec \uc54c\uace0\ub9ac\uc998\uc774 \uc788\uc2b5\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4 Haar Cascade, HOG(\ud788\uc2a4\ud1a0\uadf8\ub7a8 \uc624\ub9ac\uc5d4\ud14c\uc774\uc158 \uadf8\ub798\ub514\uc5b8\ud2b8), YOLO(You Only Look Once) \ub4f1\uc774 \uc788\uc2b5\ub2c8\ub2e4. \uac01 \ubc29\ubc95\uc740 \ud2b9\uc815 \uc0c1\ud669\uc5d0\uc11c \ub354 \ud6a8\uacfc\uc801\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
\uc544\ub798\ub294 OpenCV\uc5d0\uc11c Haar Cascade\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc5bc\uad74\uc744 \uac80\ucd9c\ud558\ub294 \uae30\ubcf8 \uc608\uc81c\uc785\ub2c8\ub2e4.<\/p>\n
import cv2\n\n# Haar Cascade \ubd84\ub958\uae30\ub97c \ub85c\ub4dc\ud569\ub2c8\ub2e4.\nface_cascade = cv2.CascadeClassifier(cv2.data.haarcascades + 'haarcascade_frontalface_default.xml')\n\n# \uc774\ubbf8\uc9c0\ub97c \ubd88\ub7ec\uc635\ub2c8\ub2e4.\nimage = cv2.imread('image.jpg')\ngray = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY)\n\n# \uc5bc\uad74\uc744 \uac80\ucd9c\ud569\ub2c8\ub2e4.\nfaces = face_cascade.detectMultiScale(gray, scaleFactor=1.1, minNeighbors=5)\n\n# \uacb0\uacfc\ub97c \ucd9c\ub825\ud569\ub2c8\ub2e4.\nfor (x, y, w, h) in faces:\n cv2.rectangle(image, (x, y), (x + w, y + h), (255, 0, 0), 2)\n\n# \uc774\ubbf8\uc9c0 \ud45c\uc2dc\ncv2.imshow('Detected Faces', image)\ncv2.waitKey(0)\ncv2.destroyAllWindows()<\/code><\/pre>\n\uc774 \ucf54\ub4dc\ub294 Haar Cascade \ubd84\ub958\uae30\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc774\ubbf8\uc9c0\ub97c \ucc98\ub9ac\ud558\uace0 \uc5bc\uad74\uc744 \uac80\ucd9c\ud558\uc5ec \uc0ac\uac01\ud615\uc73c\ub85c \ud45c\uc2dc\ud569\ub2c8\ub2e4.<\/p>\n
2. \uc2e4\uc2dc\uac04 \uac80\ucd9c<\/h2>\n
\uc2e4\uc2dc\uac04 \uac1d\uccb4 \uac80\ucd9c(Real-time Object Detection)\uc740 \ube44\ub514\uc624 \uc2a4\ud2b8\ub9bc\uc5d0\uc11c \uac1d\uccb4\ub97c \uc9c0\uc18d\uc801\uc73c\ub85c \uac80\ucd9c\ud558\ub294 \uacfc\uc815\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4. \uc774\ub294 CCTV, \uc790\uc728\uc8fc\ud589\ucc28, \ub85c\ubd07 \ube44\uc804 \ub4f1\uc5d0 \ub110\ub9ac \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n
2.1 \uc2e4\uc2dc\uac04 \uac80\ucd9c\uc758 \ud544\uc694\uc131<\/h3>\n
\ud604\uc7ac\uc758 \ub2e4\uc591\ud55c \uc751\uc6a9 \ud504\ub85c\uadf8\ub7a8\uc5d0\uc11c \uc2e4\uc2dc\uac04 \uac80\ucd9c\uc774 \uc694\uad6c\ub429\ub2c8\ub2e4. \uc989\uac01\uc801\uc778 \ubc18\uc751\uc774 \ud544\uc694\ud55c \uacbd\uc6b0, \uc608\ub97c \ub4e4\uc5b4 \ubcf4\uc548 \uac10\uc2dc \uc2dc\uc2a4\ud15c, \uc0ac\ub78c \ucd94\uc801 \ub4f1\uc774 \uc788\uc2b5\ub2c8\ub2e4. \uc2e4\uc2dc\uac04 \ucc98\ub9ac\ub294 \ud6a8\uc728\uc131\uacfc \uc18d\ub3c4\uac00 \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4.<\/p>\n
2.2 OpenCV\ub97c \uc774\uc6a9\ud55c \uc2e4\uc2dc\uac04 \uac1d\uccb4 \uac80\ucd9c \uc608\uc81c<\/h3>\n
\uc544\ub798\ub294 OpenCV\uc640 Haar Cascade\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc6f9\ucea0\uc5d0\uc11c \uc2e4\uc2dc\uac04\uc73c\ub85c \uc5bc\uad74\uc744 \uac80\ucd9c\ud558\ub294 \uc608\uc81c\uc785\ub2c8\ub2e4.<\/p>\n
import cv2\n\n# Haar Cascade \ubd84\ub958\uae30\ub97c \ub85c\ub4dc\ud569\ub2c8\ub2e4.\nface_cascade = cv2.CascadeClassifier(cv2.data.haarcascades + 'haarcascade_frontalface_default.xml')\n\n# \uc6f9\ucea0\uc744 \uc5f4\uc5b4\uc90d\ub2c8\ub2e4.\ncap = cv2.VideoCapture(0)\n\nwhile True:\n # \ud504\ub808\uc784\uc744 \uc77d\uc2b5\ub2c8\ub2e4.\n ret, frame = cap.read()\n\n # \uadf8\ub808\uc774 \uc774\ubbf8\uc9c0\ub85c \ubcc0\ud658\ud569\ub2c8\ub2e4.\n gray = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)\n\n # \uc5bc\uad74\uc744 \uac80\ucd9c\ud569\ub2c8\ub2e4.\n faces = face_cascade.detectMultiScale(gray, scaleFactor=1.1, minNeighbors=5)\n\n # \uacb0\uacfc\ub97c \ucd9c\ub825\ud569\ub2c8\ub2e4.\n for (x, y, w, h) in faces:\n cv2.rectangle(frame, (x, y), (x + w, y + h), (255, 0, 0), 2)\n\n # \uc6f9\ucea0 \uc2e4\uc2dc\uac04 \ud654\uba74\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.\n cv2.imshow('Real-time Face Detection', frame)\n\n # 'q'\ub97c \ub204\ub974\uba74 \uc885\ub8cc\ud569\ub2c8\ub2e4.\n if cv2.waitKey(1) & 0xFF == ord('q'):\n break\n\n# \ub9ac\uc18c\uc2a4\ub97c \ud574\uc81c\ud569\ub2c8\ub2e4.\ncap.release()\ncv2.destroyAllWindows()<\/code><\/pre>\n3. \uac1d\uccb4 \uac80\ucd9c vs \uc2e4\uc2dc\uac04 \uac80\ucd9c<\/h2>\n
\uac1d\uccb4 \uac80\ucd9c\uacfc \uc2e4\uc2dc\uac04 \uac80\ucd9c\uc740 \ub458 \ub2e4 \uc911\uc694\ud55c \uae30\uc220\uc774\uc9c0\ub9cc \ubaa9\uc801\uacfc \uad6c\ud604 \ubc29\uc2dd\uc5d0\uc11c \ucc28\uc774\uac00 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
3.1 \uc131\ub2a5<\/h3>\n
\uac1d\uccb4 \uac80\ucd9c\uc740 \ub300\ubd80\ubd84 \ubbf8\ub9ac \uc800\uc7a5\ub41c \ub370\uc774\ud130\uc14b\uc5d0\uc11c \uc791\uc5c5\ud558\uc5ec \uc815\ubc00\uc131\uc744 \ub192\uc77c \uc218 \uc788\uc73c\uba70, \ucef4\ud4e8\ud130 \ub9ac\uc18c\uc2a4\ub97c \ub354 \ub9ce\uc774 \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ubc18\uba74, \uc2e4\uc2dc\uac04 \uac80\ucd9c\uc740 \ub0ae\uc740 \uc9c0\uc5f0 \uc2dc\uac04\uacfc \ub192\uc740 \ud504\ub808\uc784 \uc18d\ub3c4\ub97c \uc694\uad6c\ud558\uba70, \ub530\ub77c\uc11c \ucd5c\uc801\ud654\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n
3.2 \uc751\uc6a9 \uc0ac\ub840<\/h3>\n\n- \uac1d\uccb4 \uac80\ucd9c:<\/strong> \uc815\uc9c0 \uc774\ubbf8\uc9c0\uc5d0\uc11c \uc5bc\uad74\uc774\ub098 \ubb3c\uccb4\ub97c \ucc3e\uc544\ub0b4\ub294 \uac83. \uc608: \uc790\ub3d9 \uc0ac\uc9c4 \ud0dc\uae45.<\/li>\n
- \uc2e4\uc2dc\uac04 \uac80\ucd9c:<\/strong> \ube44\ub514\uc624 \uc2a4\ud2b8\ub9bc\uc5d0\uc11c \uac1d\uccb4\ub97c \uc9c0\uc18d\uc801\uc73c\ub85c \ucd94\uc801\ud558\ub294 \uac83. \uc608: \uc790\uc728\uc8fc\ud589 \ucc28\ub7c9\uc758 \uac1d\uccb4 \uc778\uc2dd.<\/li>\n<\/ul>\n
4. \uacb0\ub860<\/h2>\n
OpenCV\ub97c \uc0ac\uc6a9\ud558\uc5ec \uac1d\uccb4 \uac80\ucd9c\uacfc \uc2e4\uc2dc\uac04 \uac80\ucd9c\uc758 \uae30\ubcf8\uc801\uc778 \uc774\ud574\uc640 \uad6c\ud604\uc744 \ud1b5\ud574 \uc774\ubbf8\uc9c0 \ucc98\ub9ac\uc758 \uac1c\ub150\uc744 \uae4a\uc774 \uc774\ud574\ud560 \uc218 \uc788\uc5c8\uc2b5\ub2c8\ub2e4. \uc774 \uac15\uc88c\uc5d0\uc11c \ubc30\uc6b4 \ub0b4\uc6a9\uc740 \ubcf4\uc548 \uc2dc\uc2a4\ud15c, \uc790\uc728\uc8fc\ud589\ucc28 \ubc0f \ub2e4\uc591\ud55c \uba40\ud2f0\ubbf8\ub514\uc5b4 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \uc751\uc6a9\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
4.1 \ub2e4\uc74c \ub2e8\uacc4<\/h3>\n
\ub354 \uae4a\uc740 \ud559\uc2b5\uc744 \uc6d0\ud55c\ub2e4\uba74 \ub525\ub7ec\ub2dd \ubaa8\ub378\uc744 \uc0ac\uc6a9\ud558\ub294 YOLO\ub098 SSD(Single Shot Detector)\uc640 \uac19\uc740 \ucd5c\uc2e0 \uae30\uc220\uc744 \ud0d0\uc0c9\ud574 \ubcf4\uc138\uc694. \uc774\ub4e4\uc740 \ubcf4\ub2e4 \ub192\uc740 \uc815\ud655\ub3c4\ub85c \uc2e4\uc2dc\uac04 \uac80\ucd9c\uc744 \uc218\ud589\ud560 \uc218 \uc788\ub294 \uac15\ub825\ud55c \uc54c\uace0\ub9ac\uc998\uc785\ub2c8\ub2e4.<\/p>\n