{"id":38826,"date":"2024-11-02T00:57:23","date_gmt":"2024-11-02T00:57:23","guid":{"rendered":"http:\/\/atmokpo.com\/w\/?p=38826"},"modified":"2024-11-26T06:43:14","modified_gmt":"2024-11-26T06:43:14","slug":"opencv-%ea%b0%95%ec%a2%8c-contour-%ea%b2%80%ec%b6%9c-%eb%b0%8f-%ec%99%b8%ea%b3%bd%ec%84%a0-%ec%b6%94%ec%b6%9c","status":"publish","type":"post","link":"https:\/\/atmokpo.com\/w\/38826\/","title":{"rendered":"OpenCV \uac15\uc88c, Contour \uac80\ucd9c \ubc0f \uc678\uacfd\uc120 \ucd94\ucd9c"},"content":{"rendered":"

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\ucef4\ud4e8\ud130 \ube44\uc804 \ubd84\uc57c\uc5d0\uc11c \uc774\ubbf8\uc9c0 \ucc98\ub9ac\uc758 \ud575\uc2ec \uae30\uc220 \uc911 \ud558\ub098\ub294 “Contour \uac80\ucd9c”\uc785\ub2c8\ub2e4. \uc774 \uae30\uc220\uc744 \ud1b5\ud574 \uc774\ubbf8\uc9c0 \ub0b4 \uac1d\uccb4\uc758 \uacbd\uacc4\ub97c \uc2dd\ubcc4\ud558\uace0, \ud6c4\uc18d \ucc98\ub9ac\ub098 \ubd84\uc11d\uc744 \uc218\ud589\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ubcf8 \uac15\uc88c\uc5d0\uc11c\ub294 OpenCV\ub97c \uc0ac\uc6a9\ud558\uc5ec Contour \uac80\ucd9c \ubc0f \uc678\uacfd\uc120 \ucd94\ucd9c\uc744 \ub2e4\ub8e8\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n

1. Contour\uc758 \uc815\uc758<\/h2>\n

Contour\ub294 \uc8fc\uc5b4\uc9c4 \uc774\ubbf8\uc9c0\uc5d0\uc11c \uac19\uc740 \uc0c9\uc774\ub098 \ubc1d\uae30\ub97c \uac00\uc9c4 \ud53d\uc140 \uc9d1\ud569\uc758 \uacbd\uacc4\uc785\ub2c8\ub2e4. \uac04\ub2e8\ud55c \uc608\ub85c, \ubb3c\uccb4\uc758 \uc678\uacfd\uc120\uc744 \uac80\ucd9c\ud558\ub294 \uac83\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. Contour \uac80\ucd9c\uc740 \ubb3c\uccb4 \uc778\uc2dd, \ud615\ud0dc \ubd84\uc11d \ub4f1 \ub2e4\uc591\ud55c \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n

2. OpenCV \uc18c\uac1c<\/h2>\n

OpenCV(Open Source Computer Vision Library)\ub294 \uc2e4\uc2dc\uac04 \ucef4\ud4e8\ud130 \ube44\uc804 \ubc0f \uba38\uc2e0 \ub7ec\ub2dd \uc18c\ud504\ud2b8\uc6e8\uc5b4 \ub77c\uc774\ube0c\ub7ec\ub9ac\uc785\ub2c8\ub2e4. \ud2b9\ud788, \uc774\ubbf8\uc9c0\uc640 \uc601\uc0c1\uc744 \ucc98\ub9ac\ud558\ub294 \ub370 \ub9e4\uc6b0 \uc720\uc6a9\ud55c \ub3c4\uad6c\uc785\ub2c8\ub2e4. OpenCV\ub294 C++, Python, Java \ub4f1 \uc5ec\ub7ec \uc5b8\uc5b4\ub97c \uc9c0\uc6d0\ud569\ub2c8\ub2e4.<\/p>\n

3. OpenCV \uc124\uce58<\/h2>\n

OpenCV\ub97c Python \ud658\uacbd\uc5d0 \uc124\uce58\ud558\ub824\uba74, \ub2e4\uc74c \uba85\ub839\uc5b4\ub97c \uc0ac\uc6a9\ud558\uc5ec \uac04\ud3b8\ud558\uac8c \uc124\uce58\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n

pip install opencv-python<\/code><\/pre>\n
4. Contour \uac80\ucd9c \uacfc\uc815<\/h2>\n
    \n
  1. \uc774\ubbf8\uc9c0 \ub85c\ub4dc<\/li>\n
  2. \uc774\ubbf8\uc9c0 \uc804\ucc98\ub9ac (\ud544\uc694\ud55c \uacbd\uc6b0)<\/li>\n
  3. \uc5e3\uc9c0 \uac80\ucd9c<\/li>\n
  4. Contour \uac80\ucd9c<\/li>\n
  5. Contour \uc815\ubcf4 \ubc0f \uc678\uacfd\uc120 \uc2dc\uac01\ud654<\/li>\n<\/ol>\n
    5. Contour \uac80\ucd9c \uc608\uc81c<\/h2>\n
    5.1. \uc608\uc81c \ucf54\ub4dc \uc900\ube44<\/h3>\n
    \ub2e4\uc74c\uc758 \ucf54\ub4dc\ub294 OpenCV\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc774\ubbf8\uc9c0\uc5d0\uc11c Contour\ub97c \uac80\ucd9c\ud558\ub294 \uacfc\uc815\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4:<\/p>\n
    import cv2\nimport numpy as np\n\n# \uc774\ubbf8\uc9c0 \ub85c\ub4dc\nimage = cv2.imread('image.jpg')\n# \uadf8\ub808\uc774\uc2a4\ucf00\uc77c \ubcc0\ud658\ngray = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY)\n# \ube14\ub7ec(Noise \uac10\uc18c)\nblurred = cv2.GaussianBlur(gray, (5, 5), 0)\n# \uc5e3\uc9c0 \uac80\ucd9c\nedges = cv2.Canny(blurred, 50, 150)\n\n# Contour \uac80\ucd9c\ncontours, hierarchy = cv2.findContours(edges, cv2.RETR_EXTERNAL, cv2.CHAIN_APPROX_SIMPLE)\n\n# \uc678\uacfd\uc120 \uc2dc\uac01\ud654\ncv2.drawContours(image, contours, -1, (0, 255, 0), 2)\n\n# \uacb0\uacfc \ucd9c\ub825\ncv2.imshow('Contours', image)\ncv2.waitKey(0)\ncv2.destroyAllWindows()<\/code><\/pre>\n
    5.2. \ucf54\ub4dc \uc124\uba85<\/h3>\n
    \uc704\uc758 \ucf54\ub4dc\ub294 \ub2e4\uc74c\uacfc \uac19\uc774 \uc791\ub3d9\ud569\ub2c8\ub2e4:<\/p>\n