{"id":38796,"date":"2024-11-02T00:57:09","date_gmt":"2024-11-02T00:57:09","guid":{"rendered":"http:\/\/atmokpo.com\/w\/?p=38796"},"modified":"2024-11-26T06:43:19","modified_gmt":"2024-11-26T06:43:19","slug":"opencv-%ea%b0%95%ec%a2%8c-hsv-%eb%b0%8f-yuv-%ec%83%89%ec%83%81-%ea%b3%b5%ea%b0%84","status":"publish","type":"post","link":"https:\/\/atmokpo.com\/w\/38796\/","title":{"rendered":"OpenCV \uac15\uc88c, HSV \ubc0f YUV \uc0c9\uc0c1 \uacf5\uac04"},"content":{"rendered":"<article>\n<p>OpenCV\ub294 \ucef4\ud4e8\ud130 \ube44\uc804\uacfc \uc774\ubbf8\uc9c0 \ucc98\ub9ac\uc5d0 \ud544\uc694\ud55c \ub2e4\uc591\ud55c \uae30\ub2a5\uc744 \uc81c\uacf5\ud558\ub294 \uc624\ud508 \uc18c\uc2a4 \ub77c\uc774\ube0c\ub7ec\ub9ac\uc785\ub2c8\ub2e4. \uc774 \uac15\uc88c\uc5d0\uc11c\ub294 OpenCV\uc5d0\uc11c \uc0ac\uc6a9\ub418\ub294 \ub2e4\uc591\ud55c \uc0c9\uc0c1 \uacf5\uac04 \uc911 <strong>HSV<\/strong>(Hue, Saturation, Value)\uc640 <strong>YUV<\/strong> \uc0c9\uc0c1 \uacf5\uac04\uc5d0 \ub300\ud574 \uae4a\uc774 \uc788\uac8c \ub2e4\ub8e8\uaca0\uc2b5\ub2c8\ub2e4. \uc0c9\uc0c1 \uacf5\uac04\uc740 \uc774\ubbf8\uc9c0\uc758 \uc0c9\uc0c1\uc744 \uc815\uc758\ud558\ub294 \ubc29\ubc95\uc73c\ub85c, \uc774\ubbf8\uc9c0 \ucc98\ub9ac \ubc0f \ubd84\uc11d\uc5d0\uc11c \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4.<\/p>\n<h2>\uc0c9\uc0c1 \uacf5\uac04\uc774\ub780?<\/h2>\n<p>\uc0c9\uc0c1 \uacf5\uac04\uc740 \uc0c9\uc0c1\uc758 \uc870\ud569\uc744 \ud45c\ud604\ud558\ub294 \uccb4\uacc4\uc785\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c RGB(red, green, blue) \uc0c9\uc0c1 \uacf5\uac04\uc774 \ub9ce\uc774 \uc0ac\uc6a9\ub418\uc9c0\ub9cc, \ud2b9\uc815 \uc791\uc5c5(\uc608: \uc0c9\uc0c1 \uae30\ubc18 \ud544\ud130\ub9c1)\uc5d0\uc11c\ub294 HSV\uc640 YUV\uc640 \uac19\uc740 \ub2e4\ub978 \uc0c9\uc0c1 \uacf5\uac04\uc774 \ub354 \uc720\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc0c9\uc0c1 \uacf5\uac04\uc744 \ubcc0\uacbd\ud568\uc73c\ub85c\uc368 \ud2b9\uc815 \uc0c9\uc0c1 \ubc94\uc704\ub97c \ub354 \uc27d\uac8c \ucd94\ucd9c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>HSV \uc0c9\uc0c1 \uacf5\uac04<\/h2>\n<p>HSV \uc0c9\uc0c1 \uacf5\uac04\uc740 \uc0c9\uc0c1\uc744 \ub2e4\uc74c \uc138 \uac00\uc9c0 \uc131\ubd84\uc73c\ub85c \ub098\ub204\uc5b4 \uc124\uba85\ud569\ub2c8\ub2e4:<\/p>\n<ul>\n<li><strong>Hue (H)<\/strong>: \uc0c9\uc0c1\uc758 \uc885\ub958\ub97c \ub098\ud0c0\ub0b4\uba70, 0\u00b0\ubd80\ud130 360\u00b0\uae4c\uc9c0\uc758 \uac01\ub3c4\ub85c \ud45c\ud604\ub429\ub2c8\ub2e4. \ube68\uac15, \ucd08\ub85d, \ud30c\ub791 \ub4f1\uc758 \uc0c9\uc0c1\uc774 \uac01\uac01 \ud2b9\uc815 \uac01\ub3c4\ub85c \ub9e4\ud551\ub429\ub2c8\ub2e4.<\/li>\n<li><strong>Saturation (S)<\/strong>: \uc0c9\uc0c1\uc758 \uc120\uba85\ub3c4\ub97c \ub098\ud0c0\ub0b4\uba70, 0%\uc5d0\uc11c 100%\uae4c\uc9c0\uc758 \ube44\uc728\ub85c \ud45c\ud604\ub429\ub2c8\ub2e4. 0%\ub294 \ud68c\uc0c9 (\ubb34\ucc44\uc0c9), 100%\ub294 \uc120\uba85\ud55c \uc0c9\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>Value (V)<\/strong>: \uc0c9\uc0c1\uc758 \ubc1d\uae30\ub97c \ub098\ud0c0\ub0b4\uba70, 0\uc5d0\uc11c 255\uae4c\uc9c0\uc758 \uac12\uc744 \uac00\uc9d1\ub2c8\ub2e4. 0\uc740 \uc644\uc804\ud788 \uc5b4\ub450\uc6b4 \uc0c9, 255\ub294 \uc644\uc804\ud788 \ubc1d\uc740 \uc0c9\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>HSV \uc0c9\uc0c1 \uacf5\uac04\uc740 RGB \uc0c9\uc0c1 \uacf5\uac04\ubcf4\ub2e4 \uc0c9\uc0c1 \uc120\ud0dd\uacfc \uc870\uc815\uc774 \uc6a9\uc774\ud558\uace0 \uc2dc\uac01\uc801\uc73c\ub85c \uc9c1\uad00\uc801\uc785\ub2c8\ub2e4.<\/p>\n<h3>HSV \ubcc0\ud658 \uc608\uc81c<\/h3>\n<p>OpenCV\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc774\ubbf8\uc9c0\ub97c HSV \uc0c9\uc0c1 \uacf5\uac04\uc73c\ub85c \ubcc0\ud658\ud558\ub294 \ubc29\ubc95\uc744 \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \uc544\ub798\uc758 \uc608\uc81c \ucf54\ub4dc\ub294 \uc774\ubbf8\uc9c0\ub97c \uc77d\uace0, RGB\uc5d0\uc11c HSV\ub85c \ubcc0\ud658\ud55c \ud6c4 \uacb0\uacfc\ub97c \ud45c\uc2dc\ud569\ub2c8\ub2e4.<\/p>\n<pre><code>\nimport cv2\nimport numpy as np\n\n# \uc774\ubbf8\uc9c0 \uc77d\uae30\nimage = cv2.imread('image.jpg')\n\n# BGR\uc5d0\uc11c HSV\ub85c \ubcc0\ud658\nhsv_image = cv2.cvtColor(image, cv2.COLOR_BGR2HSV)\n\n# \uc6d0\ubcf8 \uc774\ubbf8\uc9c0\uc640 HSV \uc774\ubbf8\uc9c0 \ud45c\uc2dc\ncv2.imshow('Original Image', image)\ncv2.imshow('HSV Image', hsv_image)\n\ncv2.waitKey(0)\ncv2.destroyAllWindows()\n  <\/code><\/pre>\n<h2>YUV \uc0c9\uc0c1 \uacf5\uac04<\/h2>\n<p>YUV \uc0c9\uc0c1 \uacf5\uac04\uc740 TV \uc804\uc1a1, \uc555\ucd95 \ubc0f \uc2e0\ud638 \ucc98\ub9ac\ub97c \uc704\ud574 \uc124\uacc4\ub41c \uc0c9\uc0c1 \uacf5\uac04\uc73c\ub85c, \ub2e4\uc74c \uc138 \uac00\uc9c0 \uc694\uc18c\ub85c \uad6c\uc131\ub429\ub2c8\ub2e4:<\/p>\n<ul>\n<li><strong>Y<\/strong>: \ubc1d\uae30 \uc131\ubd84(\ub8e8\ubbf8\ub10c\uc2a4)\uc73c\ub85c, \uc774\ubbf8\uc9c0\uc758 \ubc1d\uae30\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/li>\n<li><strong>U<\/strong>: \uc0c9\uc0c1 \uc131\ubd84 \uc911 \ud558\ub098\ub85c, \uc0c9\uc0c1\uc758 \ud478\ub978\uc0c9 \uc131\ubd84\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/li>\n<li><strong>V<\/strong>: \uc0c9\uc0c1 \uc131\ubd84 \uc911 \ub2e4\ub978 \ud558\ub098\ub85c, \uc0c9\uc0c1\uc758 \ube68\uac04\uc0c9 \uc131\ubd84\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>YUV \uc0c9\uc0c1 \uacf5\uac04\uc740 \uc555\ucd95\ub960\uacfc \uc804\uc1a1 \ud488\uc9c8\uc744 \ub192\uc774\uae30 \uc704\ud574 \uc124\uacc4\ub41c \uac83\uc774\uae30 \ub54c\ubb38\uc5d0 \uc601\uc0c1 \uc2e0\ud638 \ucc98\ub9ac\uc5d0\uc11c \ub110\ub9ac \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n<h3>YUV \ubcc0\ud658 \uc608\uc81c<\/h3>\n<p>\ub2e4\uc74c\uc740 OpenCV\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc774\ubbf8\uc9c0\ub97c YUV \uc0c9\uc0c1 \uacf5\uac04\uc73c\ub85c \ubcc0\ud658\ud558\ub294 \ubc29\ubc95\uc785\ub2c8\ub2e4. \uc544\ub798 \ucf54\ub4dc\ub294 \uc774\ubbf8\uc9c0\ub97c \uc77d\uace0 BGR\uc5d0\uc11c YUV\ub85c \ubcc0\ud658\ud55c \ud6c4 \uacb0\uacfc\ub97c \ud45c\uc2dc\ud569\ub2c8\ub2e4.<\/p>\n<pre><code>\n# BGR\uc5d0\uc11c YUV\ub85c \ubcc0\ud658\nyuv_image = cv2.cvtColor(image, cv2.COLOR_BGR2YUV)\n\n# \uc6d0\ubcf8 \uc774\ubbf8\uc9c0\uc640 YUV \uc774\ubbf8\uc9c0 \ud45c\uc2dc\ncv2.imshow('Original Image', image)\ncv2.imshow('YUV Image', yuv_image)\n\ncv2.waitKey(0)\ncv2.destroyAllWindows()\n  <\/code><\/pre>\n<h2>HSV \ubc0f YUV \uc0c9\uc0c1 \uacf5\uac04\uc758 \ud65c\uc6a9<\/h2>\n<p>HSV\uc640 YUV \uc0c9\uc0c1 \uacf5\uac04\uc740 \uc0c9\uc0c1 \uae30\ubc18\uc758 \uac1d\uccb4 \uc778\uc2dd \ubc0f \ucd94\uc801\uc744 \uc218\ud589\ud558\ub294 \ub370 \ub9e4\uc6b0 \uc720\uc6a9\ud569\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4 \ud2b9\uc815 \uc0c9\uc0c1\uc758 \ubb3c\uccb4\ub97c \ucd94\uc801\ud558\uace0 \uc2f6\ub2e4\uba74 \ub2e4\uc74c\uacfc \uac19\uc740 \uc791\uc5c5\uc744 \uc218\ud589\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n<ul>\n<li>\ud2b9\uc815 \uc0c9\uc0c1\uc758 \ubc94\uc704\ub97c \uc815\uc758\ud558\uc5ec \uc774\ubbf8\uc9c0\uc5d0\uc11c \ud544\ud130\ub9c1<\/li>\n<li>\uc0c9\uc0c1\uc758 \ubd84\ud3ec\ub97c \ubd84\uc11d\ud558\uc5ec \uac1d\uccb4\uc758 \uc704\uce58 \ubc0f \ud06c\uae30 \ud30c\uc545<\/li>\n<li>\ube44\ub514\uc624 \uc2a4\ud2b8\ub9ac\ubc0d \uc911 \uc2e4\uc2dc\uac04 \uac1d\uccb4 \ucd94\uc801<\/li>\n<\/ul>\n<h3>\uc0c9\uc0c1 \ud544\ud130\ub9c1 \uc608\uc81c<\/h3>\n<p>\uc544\ub798 \uc608\uc81c\uc5d0\uc11c\ub294 \ud2b9\uc815 \uc0c9\uc0c1(\uc608: \ube68\uac04\uc0c9) \ubc94\uc704 \ub0b4\uc758 \ud53d\uc140\uc744 \ucd94\ucd9c\ud558\ub294 \ubc29\ubc95\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4. \uc774 \uc608\uc81c\ub97c \ud1b5\ud574 HSV \uc0c9\uc0c1 \uacf5\uac04\uc744 \uc0ac\uc6a9\ud558\uc5ec \ud2b9\uc815 \uc0c9\uc0c1\uc758 \ubb3c\uccb4\ub97c \ud544\ud130\ub9c1\ud558\ub294 \ubc29\ubc95\uc744 \ubc30\uc6b8 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<pre><code>\n# \uc0c9\uc0c1 \ubc94\uc704 \uc815\uc758 (\uc608: \ube68\uac04\uc0c9)\nlower_red = np.array([0, 100, 100])\nupper_red = np.array([10, 255, 255])\n\n# \ub9c8\uc2a4\ud06c \uc0dd\uc131\nmask = cv2.inRange(hsv_image, lower_red, upper_red)\n\n# \ub9c8\uc2a4\ud06c \uc801\uc6a9\nresult = cv2.bitwise_and(image, image, mask=mask)\n\n# \uacb0\uacfc \ud45c\uc2dc\ncv2.imshow('Mask', mask)\ncv2.imshow('Filtered Red', result)\n\ncv2.waitKey(0)\ncv2.destroyAllWindows()\n  <\/code><\/pre>\n<h2>\uacb0\ub860<\/h2>\n<p>\uc774 \uae00\uc5d0\uc11c\ub294 OpenCV\ub97c \ud65c\uc6a9\ud55c HSV \ubc0f YUV \uc0c9\uc0c1 \uacf5\uac04\uc5d0 \ub300\ud574 \ub2e4\ub8e8\uc5c8\uc2b5\ub2c8\ub2e4. \uc0c9\uc0c1 \uacf5\uac04\uc744 \ubcc0\uacbd\ud568\uc73c\ub85c\uc368 \uc774\ubbf8\uc9c0 \ucc98\ub9ac\uc5d0\uc11c\uc758 \uc0c9\uc0c1 \uae30\ubc18 \uc791\uc5c5\uc774 \uc5bc\ub9c8\ub098 \uac04\ud3b8\ud574\uc9c0\ub294\uc9c0\ub97c \uc0b4\ud3b4\ubcf4\uc558\uc2b5\ub2c8\ub2e4. HSV\uc640 YUV \uc0c9\uc0c1 \uacf5\uac04\uc740 \uc0c9\uc0c1 \ud45c\ud604\uacfc \ud544\ud130\ub9c1\uc744 \uc6a9\uc774\ud558\uac8c \ud558\uc5ec \ub2e4\uc591\ud55c \ucef4\ud4e8\ud130 \ube44\uc804 \ud504\ub85c\uc81d\ud2b8\uc5d0\uc11c \ub110\ub9ac \ud65c\uc6a9\ub429\ub2c8\ub2e4. \uc774 \uac15\uc88c\ub97c \ud1b5\ud574 \uc0c9\uc0c1 \uacf5\uac04\uc758 \uae30\ubcf8 \uac1c\ub150\uacfc OpenCV \uc2e4\uc2b5\uc744 \uacb0\ud569\ud558\uc5ec \uc774\ud574\ub3c4\ub97c \ub192\uc77c \uc218 \uc788\uae30\ub97c \ubc14\ub78d\ub2c8\ub2e4.<\/p>\n<h2>\ucc38\uace0 \ubb38\ud5cc<\/h2>\n<ul>\n<li><a href=\"https:\/\/opencv.org\/\" target=\"_blank\" rel=\"noopener\">OpenCV \uacf5\uc2dd \uc6f9\uc0ac\uc774\ud2b8<\/a><\/li>\n<li><a href=\"https:\/\/www.learnopencv.com\/\" target=\"_blank\" rel=\"noopener\">Learn OpenCV Blog<\/a><\/li>\n<\/ul>\n<\/article>\n","protected":false},"excerpt":{"rendered":"<p>OpenCV\ub294 \ucef4\ud4e8\ud130 \ube44\uc804\uacfc \uc774\ubbf8\uc9c0 \ucc98\ub9ac\uc5d0 \ud544\uc694\ud55c \ub2e4\uc591\ud55c \uae30\ub2a5\uc744 \uc81c\uacf5\ud558\ub294 \uc624\ud508 \uc18c\uc2a4 \ub77c\uc774\ube0c\ub7ec\ub9ac\uc785\ub2c8\ub2e4. \uc774 \uac15\uc88c\uc5d0\uc11c\ub294 OpenCV\uc5d0\uc11c \uc0ac\uc6a9\ub418\ub294 \ub2e4\uc591\ud55c \uc0c9\uc0c1 \uacf5\uac04 \uc911 HSV(Hue, Saturation, Value)\uc640 YUV \uc0c9\uc0c1 \uacf5\uac04\uc5d0 \ub300\ud574 \uae4a\uc774 \uc788\uac8c \ub2e4\ub8e8\uaca0\uc2b5\ub2c8\ub2e4. \uc0c9\uc0c1 \uacf5\uac04\uc740 \uc774\ubbf8\uc9c0\uc758 \uc0c9\uc0c1\uc744 \uc815\uc758\ud558\ub294 \ubc29\ubc95\uc73c\ub85c, \uc774\ubbf8\uc9c0 \ucc98\ub9ac \ubc0f \ubd84\uc11d\uc5d0\uc11c \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \uc0c9\uc0c1 \uacf5\uac04\uc774\ub780? \uc0c9\uc0c1 \uacf5\uac04\uc740 \uc0c9\uc0c1\uc758 \uc870\ud569\uc744 \ud45c\ud604\ud558\ub294 \uccb4\uacc4\uc785\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c RGB(red, green, blue) &hellip; <a href=\"https:\/\/atmokpo.com\/w\/38796\/\" class=\"more-link\">\ub354 \ubcf4\uae30<span class=\"screen-reader-text\"> &#8220;OpenCV \uac15\uc88c, HSV \ubc0f YUV \uc0c9\uc0c1 \uacf5\uac04&#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-38796","post","type-post","status-publish","format-standard","hentry","category-opencv"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.2 - 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