\n2023\ub144 10\uc6d4 7\uc77c<\/p>\n
\uc791\uc131\uc790: \uc870\uad11\ud615<\/p>\n<\/header>\n\n1. Canny Edge Detection\uc774\ub780?<\/h2>\n
\n Canny Edge Detection\uc740 \uc774\ubbf8\uc9c0\uc5d0\uc11c \uacbd\uacc4\ub97c \uac80\ucd9c\ud558\ub294 \ub370 \uc0ac\uc6a9\ub418\ub294 \uc54c\uace0\ub9ac\uc998\uc785\ub2c8\ub2e4.
\n \uc774 \uc54c\uace0\ub9ac\uc998\uc740 \uc874 \ub9e5\uce90\ubc14\ub2c8\uac00 \uac1c\ubc1c\ud558\uc600\uc73c\uba70, \ub6f0\uc5b4\ub09c \uc131\ub2a5\uacfc \uc800\ud56d\uc131\uc744 \uac00\uc9c0\uace0 \uc788\uc5b4 \ucef4\ud4e8\ud130 \ube44\uc804 \ubd84\uc57c\uc5d0\uc11c \ub110\ub9ac \uc0ac\uc6a9\ub429\ub2c8\ub2e4.
\n Canny Edge Detection\uc740 \uc774\ub7ec\ud55c \uacfc\uc815\uc744 \ud1b5\ud574 \uc774\ubbf8\uc9c0 \ubd84\uc11d \ubc0f \uac1d\uccb4 \uac10\uc9c0\uc5d0 \ud544\uc218\uc801\uc778 \uacbd\uacc4\ub97c \uc815\ud655\ud558\uac8c \ud0d0\uc9c0\ud558\ub294 \ub370 \ub3c4\uc6c0\uc744 \uc90d\ub2c8\ub2e4.\n <\/p>\n
\n Canny Edge Detection\uc740 \uc138 \uac00\uc9c0 \uc8fc\uc694 \ub2e8\uacc4\ub85c \uad6c\uc131\ub429\ub2c8\ub2e4:<\/p>\n
\n- \ub178\uc774\uc988 \uac10\uc18c: \uac00\uc6b0\uc2dc\uc548 \ud544\ud130\ub97c \uc774\uc6a9\ud558\uc5ec \uc774\ubbf8\uc9c0\uc758 \ub178\uc774\uc988\ub97c \uc81c\uac70\ud569\ub2c8\ub2e4.<\/li>\n
- \uadf8\ub77c\ub514\uc5b8\ud2b8 \uacc4\uc0b0: \uc774\ubbf8\uc9c0\uc758 \uc5e3\uc9c0\ub97c \ucc3e\uae30 \uc704\ud574 \uac01 \ud53d\uc140\uc5d0\uc11c \uadf8\ub77c\ub514\uc5b8\ud2b8\ub97c \uacc4\uc0b0\ud569\ub2c8\ub2e4.<\/li>\n
- \ube44\ucd5c\ub300 \uc5b5\uc81c \ubc0f \uc774\uc911 \uc784\uacc4\uac12: \uc5e3\uc9c0\ub97c \uacb0\uc815\ud55c \ud6c4, \ube44\ucd5c\ub300 \uc5b5\uc81c\ub97c \ud1b5\ud574 \uc9c4\uc815\ud55c \uc5e3\uc9c0\ub9cc \ub0a8\uae30\uace0 \ubd88\ud544\uc694\ud55c \ud53d\uc140\uc744 \uc81c\uac70\ud569\ub2c8\ub2e4. \uc774\ud6c4 \uc774\uc911 \uc784\uacc4\uac12\uc744 \ud1b5\ud574 \uc5e3\uc9c0\ub97c \uacb0\uc815\ud569\ub2c8\ub2e4.<\/li>\n<\/ol>\n<\/section>\n\n
2. Canny Edge Detection\uc758 \ud30c\ub77c\ubbf8\ud130<\/h2>\n
\n Canny Edge Detection\uc740 \uba87 \uac00\uc9c0 \uc911\uc694\ud55c \ud30c\ub77c\ubbf8\ud130\ub97c \uc870\uc815\ud558\uc5ec \uc131\ub2a5\uc744 \ucd5c\uc801\ud654\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.
\n \uc774 \ud30c\ub77c\ubbf8\ud130\ub4e4\uc740 \uac10\uc9c0\uc758 \uc815\ud655\ub3c4\uc640 \uc5e3\uc9c0\uc758 \uc218\uc5d0 \uc9c1\uc811\uc801\uc778 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4. \uc8fc\uc694 \ud30c\ub77c\ubbf8\ud130\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:\n <\/p>\n
\n- threshold1<\/strong>: \uccab \ubc88\uc9f8 \uc784\uacc4\uac12\uc73c\ub85c, \uc5e3\uc9c0\ub97c \uacb0\uc815\ud560 \ub54c \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc774 \uac12\ubcf4\ub2e4 \ub192\uc740 \uadf8\ub77c\ub514\uc5b8\ud2b8\ub294 \uac15\ud55c \uc5e3\uc9c0\ub85c \uac04\uc8fc\ub429\ub2c8\ub2e4.<\/li>\n
- threshold2<\/strong>: \ub450 \ubc88\uc9f8 \uc784\uacc4\uac12\uc73c\ub85c, \uc57d\ud55c \uc5e3\uc9c0\ub97c \uacb0\uc815\ud558\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. threshold1\ubcf4\ub2e4 \ub0ae\uc740 \uac12\uc744 \uac00\uc9c0\uba70, \uac15\ud55c \uc5e3\uc9c0\uac00 \uc5f0\uacb0\ub418\uc5b4 \uc788\ub294 \uacbd\uc6b0\uc5d0\ub9cc \uc5e3\uc9c0\ub85c \uac04\uc8fc\ub429\ub2c8\ub2e4.<\/li>\n
- apertureSize<\/strong>: Sobel \ucee4\ub110\uc758 \ud06c\uae30\ub97c \uacb0\uc815\ud569\ub2c8\ub2e4. \uae30\ubcf8\uac12\uc740 3\uc774\uba70, 1, 3, 5, 7 \uc911 \ud558\ub098\uc758 \uac12\uc744 \uac00\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n
- L2gradient<\/strong>: \uadf8\ub77c\ub514\uc5b8\ud2b8\uc758 \uc138\uae30\ub97c \uacc4\uc0b0\ud558\ub294 \ubc29\ubc95\uc744 \uacb0\uc815\ud569\ub2c8\ub2e4. \uae30\ubcf8\uac12\uc740 False\uc774\uba70, \uae30\ubcf8 \ubc29\uc2dd\uc73c\ub85c \uacc4\uc0b0\ub429\ub2c8\ub2e4. True\ub85c \uc124\uc815\ud558\uba74 \ub354 \uc815\ud655\ud55c \uac12\uc744 \uc5bb\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n<\/section>\n\n
3. \ud30c\ub77c\ubbf8\ud130 \uc870\uc815\uc758 \uc911\uc694\uc131<\/h2>\n
\n Canny Edge Detection\uc758 \ud30c\ub77c\ubbf8\ud130\ub294 \uc2e4\uc138\uacc4 \uc774\ubbf8\uc9c0\uc758 \ud2b9\uc131\uacfc \uad6c\uc870\uc5d0 \ub530\ub77c \uc801\uc808\ud558\uac8c \uc870\uc815\ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4. \uc798\ubabb\ub41c \uac12\uc744 \uc124\uc815\ud560 \uacbd\uc6b0, \ub108\ubb34 \ub9ce\uc740 \ubd88\ud544\uc694\ud55c \uc5e3\uc9c0\ub97c \uac80\ucd9c\ud558\uac70\ub098 \ubc18\ub300\ub85c \uc911\uc694\ud55c \uc5e3\uc9c0\ub97c \ub193\uce58\ub294 \uacb0\uacfc\ub97c \ucd08\ub798\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c \ud2b9\uc815 \uc774\ubbf8\uc9c0\uc5d0 \ub300\ud574 \ud30c\ub77c\ubbf8\ud130\ub97c \uc870\uc815\ud558\ub294 \uacfc\uc815\uc740 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.\n <\/p>\n<\/section>\n\n4. \ud30c\ub77c\ubbf8\ud130 \uc870\uc815 \uc608\uc81c \ucf54\ub4dc<\/h2>\n
\n \ub2e4\uc74c\uc740 OpenCV\ub97c \uc0ac\uc6a9\ud558\uc5ec Canny Edge Detection\uc744 \uc218\ud589\ud558\ub294 \ud30c\uc774\uc36c \ucf54\ub4dc \uc608\uc81c\uc785\ub2c8\ub2e4.
\n \uc774 \uc608\uc81c\uc5d0\uc11c\ub294 \uc774\ubbf8\uc9c0 \ud30c\uc77c\uc744 \uc77d\uc5b4 \ub2e4\uc591\ud55c \ud30c\ub77c\ubbf8\ud130\ub85c \uc5e3\uc9c0\ub97c \uac80\ucd9c\ud558\uace0 \uacb0\uacfc\ub97c \uc2dc\uac01\ud654\ud569\ub2c8\ub2e4.\n <\/p>\n
\nimport cv2\nimport numpy as np\nimport matplotlib.pyplot as plt\n\n# \uc774\ubbf8\uc9c0 \uc77d\uae30\nimage = cv2.imread('your_image.jpg')\ngray = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY)\n\n# Canny Edge Detection\uc758 \ud30c\ub77c\ubbf8\ud130\nthreshold1 = 100\nthreshold2 = 200\napertureSize = 3\n\n# Canny Edge Detection \uc218\ud589\nedges = cv2.Canny(gray, threshold1, threshold2, apertureSize=apertureSize)\n\n# \uacb0\uacfc \uc2dc\uac01\ud654\nplt.figure(figsize=(10, 10))\nplt.subplot(121), plt.imshow(gray, cmap='gray'), plt.title('Original Image')\nplt.subplot(122), plt.imshow(edges, cmap='gray'), plt.title('Canny Edge Image')\nplt.show()\n <\/code><\/pre>\n<\/section>\n\n5. \ub2e4\uc591\ud55c \ud30c\ub77c\ubbf8\ud130 \uc870\uc815 \uc608\uc81c<\/h2>\n
\n \uc774\uc81c \ub2e4\uc591\ud55c \ud30c\ub77c\ubbf8\ud130\ub97c \uc870\uc815\ud558\uc5ec \uacb0\uacfc\ub97c \ube44\uad50\ud574 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \uc544\ub798 \ucf54\ub4dc\ub294 \uc5ec\ub7ec \uc784\uacc4\uac12\uacfc apertureSize\ub97c \uc0ac\uc6a9\ud558\uc5ec Canny Edge Detection\uc758 \ud6a8\uacfc\ub97c \ube44\uad50\ud569\ub2c8\ub2e4.\n <\/p>\n
\n# \ub2e4\uc591\ud55c \ud30c\ub77c\ubbf8\ud130 \uc124\uc815\nthresholds = [(50, 150), (100, 200), (150, 250)]\napertureSizes = [3, 5, 7]\n\nplt.figure(figsize=(15, 10))\n\nfor i, (thresh1, thresh2) in enumerate(thresholds):\n for j, apertureSize in enumerate(apertureSizes):\n edges = cv2.Canny(gray, thresh1, thresh2, apertureSize=apertureSize)\n plt.subplot(len(thresholds), len(apertureSizes), i * len(apertureSizes) + j + 1)\n plt.imshow(edges, cmap='gray')\n plt.title(f'Thresholds: {thresh1}, {thresh2} | Aperture Size: {apertureSize}')\n plt.axis('off')\n\nplt.tight_layout()\nplt.show()\n <\/code><\/pre>\n<\/section>\n\n6. Canny Edge Detection\uc758 \uc131\ub2a5 \ud5a5\uc0c1<\/h2>\n
\n Canny Edge Detection\uc758 \uc131\ub2a5\uc744 \ub354 \ud5a5\uc0c1\uc2dc\ud0a4\ub294 \ubc29\ubc95\uc73c\ub85c\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \ubc29\ubc95\ub4e4\uc774 \uc788\uc2b5\ub2c8\ub2e4:\n <\/p>\n
\n- \uc0ac\uc804 \ucc98\ub9ac(Pre-processing)<\/strong>: \uac00\uc6b0\uc2dc\uc548 \ube14\ub7ec(Gaussian Blur)\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc774\ubbf8\uc9c0\ub97c \uc0ac\uc804 \ucc98\ub9ac\ud558\uba74 \ub178\uc774\uc988\ub97c \uc904\uc774\uace0, \ub354 \ub69c\ub837\ud55c \uc5e3\uc9c0\ub97c \ucc3e\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n
- \ud6c4\ucc98\ub9ac(Post-processing)<\/strong>: \uc5e3\uc9c0 \uac80\ucd9c \ud6c4 \ud544\ud130\ub9c1\uc744 \ud1b5\ud574 \ub354 \uae54\ub054\ud55c \uacb0\uacfc\ub97c \uc5bb\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, dilation\uacfc erosion\uc744 \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n
- \uae30\uacc4 \ud559\uc2b5 \uae30\ubc95<\/strong>: \uba38\uc2e0\ub7ec\ub2dd \ub610\ub294 \ub525\ub7ec\ub2dd \ubaa8\ub378\uc744 \ud65c\uc6a9\ud558\uc5ec \uc774\ubbf8\uc9c0\uc5d0\uc11c \ud544\uc694\ud55c \ud2b9\uc131\ub9cc\uc744 \uc790\ub3d9\uc73c\ub85c \ud559\uc2b5\ud55c \ud6c4, \uc5e3\uc9c0 \uac80\ucd9c\uc5d0 \uc801\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n<\/section>\n\n
7. \uacb0\ub860<\/h2>\n
\n Canny Edge Detection\uc740 \uc774\ubbf8\uc9c0 \ud504\ub85c\uc138\uc2f1\uc5d0\uc11c \ub9e4\uc6b0 \uc911\uc694\ud55c \uae30\uc220\uc785\ub2c8\ub2e4.
\n \uc801\uc808\ud55c \ud30c\ub77c\ubbf8\ud130 \uc870\uc815\uc740 \uacbd\uacc4 \uac80\ucd9c\uc758 \uc815\ud655\ub3c4\ub97c \ub192\uc774\uace0, \ub2e4\uc591\ud55c \uc751\uc6a9 \ubd84\uc57c\uc5d0 \uc801\uc6a9\ud560 \uc218 \uc788\ub294 \uac15\ub825\ud55c \ub3c4\uad6c\uac00 \ub429\ub2c8\ub2e4.
\n \uc774\ubbf8\uc9c0\uc5d0 \ub530\ub978 \ucd5c\uc801\uc758 \ud30c\ub77c\ubbf8\ud130\ub97c \ucc3e\ub294 \uacfc\uc815\uc740 \ubc18\ubcf5\uc801\uc774\uba70, \uacbd\ud5d8\uc774 \ud544\uc694\ud558\uc9c0\ub9cc, \uc774\ub97c \ud1b5\ud574 \ub354 \ub098\uc740 \uacb0\uacfc\ub97c \uc5bb\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.
\n \uc774\ubc88 \uac15\uc88c\ub97c \ud1b5\ud574 Canny Edge Detection\uc758 \uae30\ubcf8 \uac1c\ub150\uacfc \ud30c\ub77c\ubbf8\ud130 \uc870\uc815 \ubc29\ubc95\uc744 \ubc30\uc6b0\uac8c \ub418\uc5c8\uae30\ub97c \ubc14\ub78d\ub2c8\ub2e4.\n <\/p>\n