{"id":44834,"date":"2021-03-24T22:42:32","date_gmt":"2021-03-24T13:42:32","guid":{"rendered":"https:\/\/www.charlezz.com\/?p=44834"},"modified":"2021-03-24T22:42:32","modified_gmt":"2021-03-24T13:42:32","slug":"%ec%95%88%eb%93%9c%eb%a1%9c%ec%9d%b4%eb%93%9c%eb%a1%9c-%eb%b0%b0%ec%9a%b0%eb%8a%94-opencv-%ed%9e%88%ec%8a%a4%ed%86%a0%ea%b7%b8%eb%9e%a8-%ea%b7%b8%eb%a6%ac%ea%b3%a0-%ec%8a%a4%ed%8a%b8%eb%a0%88","status":"publish","type":"post","link":"https:\/\/charlezz.com\/?p=44834","title":{"rendered":"[\uc548\ub4dc\ub85c\uc774\ub4dc\ub85c \ubc30\uc6b0\ub294 OpenCV] \ud788\uc2a4\ud1a0\uadf8\ub7a8 \uadf8\ub9ac\uace0 \uc2a4\ud2b8\ub808\uce6d \ubc0f \ud3c9\ud65c\ud654"},"content":{"rendered":"<h1>\ud788\uc2a4\ud1a0\uadf8\ub7a8<\/h1>\n<p>\ud788\uc2a4\ud1a0\uadf8\ub7a8\uc740 \ub3c4\uc218\ubd84\ud3ec\ud45c\ub97c \uadf8\ub798\ud504\ub85c \ub098\ud0c0\ub0b8 \uac83\uc774\ub2e4. OpenCV\uc5d0\uc11c\ub294 \uc601\uc0c1\uc758 \ud53d\uc140 \uac12 \ubd84\ud3ec\ub97c \uadf8\ub798\ud504\uc758 \ud615\ud0dc\ub85c \ud45c\ud604\ud55c \uac83\uc744 \ub9d0\ud55c\ub2e4.<\/p>\n<p><a href=\"https:\/\/www.charlezz.com\/wordpress\/wp-content\/uploads\/2021\/03\/www.charlezz.com-opencv-normalization-equalization-histogram.png\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/www.charlezz.com\/wordpress\/wp-content\/uploads\/2021\/03\/www.charlezz.com-opencv-normalization-equalization-histogram-1024x289.png\" alt=\"\" width=\"750\" height=\"212\" class=\"alignnone wp-image-44883 size-large\" srcset=\"https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/03\/www.charlezz.com-opencv-normalization-equalization-histogram-1024x289.png 1024w, https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/03\/www.charlezz.com-opencv-normalization-equalization-histogram-300x85.png 300w, https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/03\/www.charlezz.com-opencv-normalization-equalization-histogram-768x217.png 768w, https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/03\/www.charlezz.com-opencv-normalization-equalization-histogram.png 1644w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/a><\/p>\n<p>OpenCV\uc5d0\uc11c\ub294 calcHist() \ud568\uc218\ub97c \ud1b5\ud574 \ud788\uc2a4\ud1a0\uadf8\ub7a8\uc744 \uad6c\ud560 \uc218 \uc788\ub2e4. \uc608\uc81c\ucf54\ub4dc\ub97c \uc0b4\ud3b4\ubcf4\uc790.<\/p>\n<pre class=\"lang: decode:true\">val images = listOf(src)\r\nval channels = MatOfInt(0) \/\/grayscale\uc740 \ucc44\ub110\uc774 \ud558\ub098\uc774\ubbc0\ub85c 0\r\nval mask:Mat = ... \/\/ \ub9c8\uc2a4\ud06c\r\nval hist = Mat() \/\/ \ud788\uc2a4\ud1a0\uadf8\ub7a8 \r\nval histSize = MatOfInt(256) \/\/ grayscale\uc740 \ud53d\uc140\uac12\uc774 0~255\ub85c \ud45c\ud604\ub41c\ub2e4.\r\nval ranges = MatOfFloat(0f, 255f) \r\nImgproc.calcHist(\r\n    images,\/\/ \uc785\ub825 \uc601\uc0c1 \ubc30\uc5f4\r\n    channels,\/\/ \ucc44\ub110 \uac2f\uc218\r\n    mask, \r\n    hist, \r\n    histSize, \/\/ \ud788\uc2a4\ud1a0\uadf8\ub7a8 \uac01 \ucc28\uc6d0\uc758 \ud06c\uae30\ub97c \ub098\ud0c0\ub0b4\ub294 \ub9ac\uc2a4\ud2b8(\ube48(bin)\uc758 \uac1c\uc218)\r\n    ranges \/\/ \ud788\uc2a4\ud1a0\uadf8\ub7a8 \uac01 \ucc28\uc6d0\uc758 \ucd5c\uc19f\uac12\uacfc \ucd5c\ub313\uac12\uc73c\ub85c \uad6c\uc131\r\n)<\/pre>\n<p>\uacc4\uc0b0\ub41c \ud788\uc2a4\ud1a0\uadf8\ub7a8\uc744 Android MPChart \ub77c\uc774\ube0c\ub7ec\ub9ac\ub97c \ud1b5\ud574 \ub9c9\ub300\uadf8\ub798\ud504\ub85c \uadf8\ub9ac\uba74 \ub2e4\uc74c\uacfc \uac19\ub2e4.<a href=\"https:\/\/www.charlezz.com\/wordpress\/wp-content\/uploads\/2021\/03\/www.charlezz.com-opencv-normalization-equalization-screenshot.png\"><\/a><\/p>\n<p><a href=\"https:\/\/www.charlezz.com\/wordpress\/wp-content\/uploads\/2021\/03\/www.charlezz.com-opencv-normalization-equalization-screenshot-1.png\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/www.charlezz.com\/wordpress\/wp-content\/uploads\/2021\/03\/www.charlezz.com-opencv-normalization-equalization-screenshot-1-346x1024.png\" alt=\"\" width=\"346\" height=\"1024\" class=\"alignnone size-large wp-image-44885\" srcset=\"https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/03\/www.charlezz.com-opencv-normalization-equalization-screenshot-1-346x1024.png 346w, https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/03\/www.charlezz.com-opencv-normalization-equalization-screenshot-1-101x300.png 101w, https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/03\/www.charlezz.com-opencv-normalization-equalization-screenshot-1-768x2275.png 768w, https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/03\/www.charlezz.com-opencv-normalization-equalization-screenshot-1.png 896w\" sizes=\"(max-width: 346px) 100vw, 346px\" \/><\/a> <a href=\"https:\/\/www.charlezz.com\/wordpress\/wp-content\/uploads\/2021\/03\/www.charlezz.com-opencv-normalization-equalization-screenshot-44.png\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/www.charlezz.com\/wordpress\/wp-content\/uploads\/2021\/03\/www.charlezz.com-opencv-normalization-equalization-screenshot-44-346x1024.png\" alt=\"\" width=\"346\" height=\"1024\" class=\"alignnone size-large wp-image-44886\" srcset=\"https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/03\/www.charlezz.com-opencv-normalization-equalization-screenshot-44-346x1024.png 346w, https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/03\/www.charlezz.com-opencv-normalization-equalization-screenshot-44-101x300.png 101w, https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/03\/www.charlezz.com-opencv-normalization-equalization-screenshot-44-768x2275.png 768w, https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/03\/www.charlezz.com-opencv-normalization-equalization-screenshot-44.png 896w\" sizes=\"(max-width: 346px) 100vw, 346px\" \/><\/a><\/p>\n<h2>\uc601\uc0c1\uacfc \ud788\uc2a4\ud1a0\uadf8\ub7a8\uc758 \uad00\uacc4<\/h2>\n<p><a href=\"https:\/\/www.charlezz.com\/wordpress\/wp-content\/uploads\/2021\/03\/www.charlezz.com-opencv-normalization-equalization-screenshot-48.png\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/www.charlezz.com\/wordpress\/wp-content\/uploads\/2021\/03\/www.charlezz.com-opencv-normalization-equalization-screenshot-48-1024x312.png\" alt=\"\" width=\"750\" height=\"229\" class=\"alignnone size-large wp-image-44889\" srcset=\"https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/03\/www.charlezz.com-opencv-normalization-equalization-screenshot-48-1024x312.png 1024w, https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/03\/www.charlezz.com-opencv-normalization-equalization-screenshot-48-300x91.png 300w, https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/03\/www.charlezz.com-opencv-normalization-equalization-screenshot-48-768x234.png 768w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/a><\/p>\n<p>\uc774\ubbf8\uc9c0\uc758 \ubc1d\uae30 \ub610\ub294 \uba85\uc554\ube44\uc5d0 \ub530\ub77c \ud788\uc2a4\ud1a0\uadf8\ub7a8 \ubd84\ud3ec \uc591\uc0c1\uc774 \ub2ec\ub77c\uc9c4\ub2e4.\u00a0<\/p>\n<ul>\n<li>\ud788\uc2a4\ud1a0\uadf8\ub7a8\uc774 \ub192\uc740 \uac12\ub4e4\uc5d0 \uc804\ubc18\uc801\uc73c\ub85c \ubd84\ud3ec \ub418\uc5b4 \uc788\ub2e4\uba74 \ud574\ub2f9 \uc774\ubbf8\uc9c0\ub294 \ubc1d\uc740 \uc774\ubbf8\uc9c0\ub2e4.<\/li>\n<li>\ud788\uc2a4\ud1a0\uadf8\ub7a8\uc774 \ub0ae\uc740 \uac12\ub4e4\uc5d0 \uc804\ubc18\uc801\uc73c\ub85c \ubd84\ud3ec \ub418\uc5b4 \uc788\ub2e4\uba74 \ud574\ub2f9 \uc774\ubbf8\uc9c0\ub294 \uc5b4\ub450\uc6b4 \uc774\ubbf8\uc9c0\ub2e4.<\/li>\n<li>\ud788\uc2a4\ud1a0\uadf8\ub7a8\uc774 \uc804\ubc18\uc801\uc73c\ub85c \uace0\ub8e8 \ubd84\ud3ec \ub418\uc5b4 \uc788\ub2e4\uba74 \uba85\uc554\ube44\uac00 \ub192\uace0 \uc120\uba85\ud574 \ubcf4\uc77c \uc218 \uc788\ub2e4.<\/li>\n<li>\ud788\uc2a4\ud1a0\uadf8\ub7a8\uc774 \uc804\ubc18\uc801\uc73c\ub85c \uc881\uac8c \ubd84\ud3ec \ub418\uc5b4 \uc788\ub2e4\uba74 \uba85\uc554\ube44\uac00 \ub0ae\uace0 \ud750\ub9bf\ud574 \ubcf4\uc77c \uc218 \uc788\ub2e4.<\/li>\n<\/ul>\n<h2>\ud788\uc2a4\ud1a0\uadf8\ub7a8 \uc2a4\ud2b8\ub808\uce6d<\/h2>\n<p><a href=\"https:\/\/www.charlezz.com\/wordpress\/wp-content\/uploads\/2021\/03\/www.charlezz.com-opencv-normalization-equalization-screenshot-46.png\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/www.charlezz.com\/wordpress\/wp-content\/uploads\/2021\/03\/www.charlezz.com-opencv-normalization-equalization-screenshot-46-215x300.png\" alt=\"\" width=\"215\" height=\"300\" class=\"alignnone wp-image-44887 size-medium\" srcset=\"https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/03\/www.charlezz.com-opencv-normalization-equalization-screenshot-46-215x300.png 215w, https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/03\/www.charlezz.com-opencv-normalization-equalization-screenshot-46.png 528w\" sizes=\"(max-width: 215px) 100vw, 215px\" \/><\/a><\/p>\n<p>\ub808\ub098 \uc774\ubbf8\uc9c0\ub294 \uc704\uc640 \uac19\uc740 \ud788\uc2a4\ud1a0\uadf8\ub7a8\uc744 \ubcf4\uc5ec\uc900\ub2e4. \ud788\uc2a4\ud1a0\uadf8\ub7a8\uc758 \ub9c9\ub300\uac00 \uc2dc\uc791\ub418\ub294 0\ubd80\ud130 n \uad6c\uac04 \uadf8\ub9ac\uace0 \ub9c9\ub300\uac00 \ub05d\ub098\ub294 m\ubd80\ud130 255 \uad6c\uac04\uc740 \ud53d\uc140\uac12\uc758 \ubd84\ud3ec\uac00 \uc5c6\ub294 \uac83\uc744 \uc54c \uc218 \uc788\ub2e4. \uc774\ub7ec\ud55c \ud788\uc2a4\ud1a0\uadf8\ub7a8\uc774 \uc804 \uad6c\uac04\uc5d0 \uac78\uccd0 \ub098\ud0c0\ub098\ub3c4\ub85d \ud788\uc2a4\ud1a0\uadf8\ub7a8\uc744 \uc544\ub798\uc640 \uac19\uc774 \ub298\ub824(stretch) \uba85\uc554\ube44\ub97c \ub192\uc77c \uc218 \uc788\ub2e4.<\/p>\n<p><a href=\"https:\/\/www.charlezz.com\/wordpress\/wp-content\/uploads\/2021\/03\/www.charlezz.com-opencv-normalization-equalization-screenshot-47.png\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/www.charlezz.com\/wordpress\/wp-content\/uploads\/2021\/03\/www.charlezz.com-opencv-normalization-equalization-screenshot-47-212x300.png\" alt=\"\" width=\"212\" height=\"300\" class=\"alignnone wp-image-44888 size-medium\" srcset=\"https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/03\/www.charlezz.com-opencv-normalization-equalization-screenshot-47-212x300.png 212w, https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/03\/www.charlezz.com-opencv-normalization-equalization-screenshot-47.png 520w\" sizes=\"(max-width: 212px) 100vw, 212px\" \/><\/a><\/p>\n<p>OpenCV\uc758 normalize \ub77c\ub294 \ud568\uc218\ub97c \ud1b5\ud574 \uc774\ubbf8\uc9c0 \uc2a4\ud2b8\ub808\uce6d\uc744 \uc2dc\ub3c4\ud574\ubcf4\uc790.<\/p>\n<pre class=\"lang: decode:true \">val src:Mat = ...\r\nval dst:Mat = ...\r\nCore.normalize(\r\n    src, \r\n    dst, \r\n    0.0, \/\/ \ucd5c\uc19f\uac12\r\n    255.0, \/\/ \ucd5c\ub313\uac12\r\n    Core.NORM_MINMAX \/\/ \uc815\uaddc\ud654 \ud0c0\uc785\r\n)<\/pre>\n<p>\ud788\uc2a4\ud1a0\uadf8\ub7a8 \uc2a4\ud2b8\ub808\uce6d \ub41c \ub808\ub098 \uc774\ubbf8\uc9c0\ub97c \uc0b4\ud3b4\ubcf4\uc790<\/p>\n<p>\u00a0<a href=\"https:\/\/www.charlezz.com\/wordpress\/wp-content\/uploads\/2021\/03\/www.charlezz.com-opencv-normalization-equalization-screenshot.png\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/www.charlezz.com\/wordpress\/wp-content\/uploads\/2021\/03\/www.charlezz.com-opencv-normalization-equalization-screenshot-346x1024.png\" alt=\"\" width=\"346\" height=\"1024\" class=\"alignnone size-large wp-image-44890\" srcset=\"https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/03\/www.charlezz.com-opencv-normalization-equalization-screenshot-346x1024.png 346w, https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/03\/www.charlezz.com-opencv-normalization-equalization-screenshot-101x300.png 101w, https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/03\/www.charlezz.com-opencv-normalization-equalization-screenshot-768x2275.png 768w, https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/03\/www.charlezz.com-opencv-normalization-equalization-screenshot.png 896w\" sizes=\"(max-width: 346px) 100vw, 346px\" \/><\/a><\/p>\n<h2>\ud788\uc2a4\ud1a0\uadf8\ub7a8 \ud3c9\ud65c\ud654<\/h2>\n<p>\ud788\uc2a4\ud1a0\uadf8\ub7a8 \uc2a4\ud2b8\ub808\uce6d\uc740 \uba85\uc554\ube44\ub97c \ub192\uc5ec\uc8fc\uc9c0\ub9cc \ud56d\uc0c1 \uc774\ubbf8\uc9c0\uc758 \ud488\uc9c8\uc774 \uc88b\uc9c0\ub9cc\uc740 \uc54a\ub2e4. \ud788\uc2a4\ud1a0\uadf8\ub7a8 \ud3c9\ud65c\ud654\ub97c \ud1b5\ud574 \uc880 \ub354 \ub098\uc740 \ud488\uc9c8\ub85c \uba85\uc554\ube44\ub97c \uc62c\ub9b4\uc218 \uc788\ub2e4.<\/p>\n<p>\ud788\uc2a4\ud1a0\uadf8\ub7a8 \ud3c9\ud65c\ud654\ub780 \ud788\uc2a4\ud1a0\uadf8\ub7a8\uc774 \uade0\uc77c\ud55c \ubd84\ud3ec\ub85c \ub098\ud0c0\ub0b4\ub3c4\ub85d \ubcc0\uacbd\ud558\ub294 \uba85\uc554\ube44 \ud5a5\uc0c1 \uae30\ubc95\uc744 \ub9d0\ud55c\ub2e4.<\/p>\n<p>\ub204\uc801 \ubd84\ud3ec \ud568\uc218\ub97c \ud1b5\ud574 \ud53d\uc140\uac12\uc774 \ucd18\ucd18\ud788 \ubd84\ud3ec \ub41c \uacf3\uc740 \uc2a4\ud2b8\ub808\uce6d\uc744 \ub9ce\uc774 \uc801\uc6a9\ud558\uace0 \uadf8\ub807\uc9c0 \uc54a\uc740 \uacf3\uc5d0\ub294 \uc2a4\ud2b8\ub808\uce6d\uc744 \uc801\uac8c \uc801\uc6a9\ud558\ub294 \uae30\ubc95\uc774\ub2e4. \uc790\uc138\ud55c \ub0b4\uc6a9\uc740 <a href=\"https:\/\/en.wikipedia.org\/wiki\/Histogram_equalization\">\uc704\ud0a4<\/a>\ub97c \ucc38\uc870<\/p>\n<p><a href=\"https:\/\/www.charlezz.com\/wordpress\/wp-content\/uploads\/2021\/03\/www.charlezz.com-opencv-screenshot-2.png\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/www.charlezz.com\/wordpress\/wp-content\/uploads\/2021\/03\/www.charlezz.com-opencv-screenshot-2-1024x813.png\" alt=\"\" width=\"750\" height=\"595\" class=\"alignnone size-large wp-image-44891\" srcset=\"https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/03\/www.charlezz.com-opencv-screenshot-2-1024x813.png 1024w, https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/03\/www.charlezz.com-opencv-screenshot-2-300x238.png 300w, https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/03\/www.charlezz.com-opencv-screenshot-2-768x610.png 768w, https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/03\/www.charlezz.com-opencv-screenshot-2.png 1312w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/a><\/p>\n<p>OpenCV\uc5d0\uc11c\ub294 equalizeHist()\ub77c\ub294 \ud568\uc218\ub97c \uc81c\uacf5\ud558\uace0 \uc788\ub2e4.<\/p>\n<pre class=\"lang: decode:true \">Imgproc.equalizeHist(src, dst)<\/pre>\n<p>\uc6d0\ubcf8 \uceec\ub7ec \uc774\ubbf8\uc9c0\uc640 \ud3c9\ud65c\ud654\uac00 \uc801\uc6a9\ub41c \uceec\ub7ec \uc774\ubbf8\uc9c0\uc758 \uba85\uc554\ube44 \ubc0f \ud788\uc2a4\ud1a0\uadf8\ub7a8\uc744 \ube44\uad50\ud574\ubcf4\ub3c4\ub85d \ud558\uc790.<\/p>\n<p><a href=\"https:\/\/www.charlezz.com\/wordpress\/wp-content\/uploads\/2021\/03\/www.charlezz.com-opencv-screenshot-3.png\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/www.charlezz.com\/wordpress\/wp-content\/uploads\/2021\/03\/www.charlezz.com-opencv-screenshot-3-346x1024.png\" alt=\"\" width=\"346\" height=\"1024\" class=\"alignnone size-large wp-image-44892\" srcset=\"https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/03\/www.charlezz.com-opencv-screenshot-3-346x1024.png 346w, https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/03\/www.charlezz.com-opencv-screenshot-3-101x300.png 101w, https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/03\/www.charlezz.com-opencv-screenshot-3-768x2275.png 768w, https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/03\/www.charlezz.com-opencv-screenshot-3.png 896w\" sizes=\"(max-width: 346px) 100vw, 346px\" \/><\/a><\/p>\n<h3>\uceec\ub7ec \uc774\ubbf8\uc9c0\uc758 \uc2a4\ud2b8\ub808\uce6d \ubc0f \ud3c9\ud65c\ud654<\/h3>\n<p>\uceec\ub7ec \uc774\ubbf8\uc9c0\uc758 \uacbd\uc6b0 R,G,B \ucc44\ub110\uc5d0 \uac01\uac01 \uc815\uaddc\ud654 \ub610\ub294 \ud3c9\ud65c\ud654\ub97c \uc801\uc6a9\ud558\uba74 \ub420 \uac83 \uac19\uc9c0\ub9cc, \uadf8\ub807\uac8c \ud558\uba74 \uc0c9\uc0c1\uac12\uc774 \ubcc0\uacbd\ub418\uc5b4 \uc774\uc0c1\ud574 \ubcf4\uc77c \uc218 \uc788\ub2e4. \uadf8\ub807\uae30 \ub54c\ubb38\uc5d0 \uceec\ub7ec\ub9f5\uc744 YCrCB \ub85c \ubcc0\uacbd\ud558\uc5ec \ubc1d\uae30 \uc131\ubd84\uc5d0 \ub300\uc751\ud558\ub294 Y\uac12\ub9cc \uc5f0\uc0b0\uc744\u00a0 \uc9c4\ud589\ud55c \ud6c4 \ub2e4\uc2dc CrCb\uc131\ubd84\uacfc \ud569\uc131\ud558\uba74 \ub41c\ub2e4.<\/p>\n<pre class=\"lang: decode:true\">val srcYCrCB = Mat()\r\nImgproc.cvtColor(src,srcYCrCB, Imgproc.COLOR_BGR2YCrCb)\r\n\/\/ \ucc44\ub110 \ubd84\ub9ac\r\nval srcPlanes = ArrayList&lt;Mat&gt;()\r\nCore.split(srcYCrCB, srcPlanes)\r\n\/\/ Y \ucc44\ub110\uc5d0 \ub300\ud574\uc11c\ub9cc \ud788\uc2a4\ud1a0\uadf8\ub7a8 \ud3c9\ud65c\ud654 \uc218\ud589\r\nImgproc.equalizeHist(srcPlanes[0], srcPlanes[0])\r\n\/\/ \ub2e4\uc2dc \ucc44\ub110 \ud569\uce58\uae30\r\nval dstYCrCb = Mat()\r\nCore.merge(srcPlanes, dstYCrCb)\r\nImgproc.cvtColor(dstYCrCb, src, Imgproc.COLOR_YCrCb2BGR)<\/pre>\n<p>\uc6d0\ubcf8 \uceec\ub7ec \uc774\ubbf8\uc9c0\uc640 \ud3c9\ud65c\ud654\uac00 \uc801\uc6a9\ub41c \uceec\ub7ec \uc774\ubbf8\uc9c0\uc758 \uba85\uc554\ube44 \ubc0f \ud788\uc2a4\ud1a0\uadf8\ub7a8 \ubd84\ud3ec\ub97c \ube44\uad50\ud574\ubcf4\ub3c4\ub85d \ud558\uc790.<\/p>\n<p><a href=\"https:\/\/www.charlezz.com\/wordpress\/wp-content\/uploads\/2021\/03\/www.charlezz.com-opencv-screenshot-4.png\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/www.charlezz.com\/wordpress\/wp-content\/uploads\/2021\/03\/www.charlezz.com-opencv-screenshot-4-346x1024.png\" alt=\"\" width=\"346\" height=\"1024\" class=\"alignnone size-large wp-image-44893\" srcset=\"https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/03\/www.charlezz.com-opencv-screenshot-4-346x1024.png 346w, https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/03\/www.charlezz.com-opencv-screenshot-4-101x300.png 101w, https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/03\/www.charlezz.com-opencv-screenshot-4-768x2275.png 768w, https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/03\/www.charlezz.com-opencv-screenshot-4.png 896w\" sizes=\"(max-width: 346px) 100vw, 346px\" \/><\/a><a href=\"https:\/\/www.charlezz.com\/wordpress\/wp-content\/uploads\/2021\/03\/www.charlezz.com-opencv-screenshot-5.png\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/www.charlezz.com\/wordpress\/wp-content\/uploads\/2021\/03\/www.charlezz.com-opencv-screenshot-5-346x1024.png\" alt=\"\" width=\"346\" height=\"1024\" class=\"alignnone size-large wp-image-44894\" srcset=\"https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/03\/www.charlezz.com-opencv-screenshot-5-346x1024.png 346w, https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/03\/www.charlezz.com-opencv-screenshot-5-101x300.png 101w, https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/03\/www.charlezz.com-opencv-screenshot-5-768x2275.png 768w, https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2021\/03\/www.charlezz.com-opencv-screenshot-5.png 896w\" sizes=\"(max-width: 346px) 100vw, 346px\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\ud788\uc2a4\ud1a0\uadf8\ub7a8 \ud788\uc2a4\ud1a0\uadf8\ub7a8\uc740 \ub3c4\uc218\ubd84\ud3ec\ud45c\ub97c \uadf8\ub798\ud504\ub85c \ub098\ud0c0\ub0b8 \uac83\uc774\ub2e4. OpenCV\uc5d0\uc11c\ub294 \uc601\uc0c1\uc758 \ud53d\uc140 \uac12 \ubd84\ud3ec\ub97c \uadf8\ub798\ud504\uc758 \ud615\ud0dc\ub85c \ud45c\ud604\ud55c \uac83\uc744 \ub9d0\ud55c\ub2e4. OpenCV\uc5d0\uc11c\ub294 calcHist() \ud568\uc218\ub97c \ud1b5\ud574 \ud788\uc2a4\ud1a0\uadf8\ub7a8\uc744 \uad6c\ud560 \uc218 \uc788\ub2e4. \uc608\uc81c\ucf54\ub4dc\ub97c \uc0b4\ud3b4\ubcf4\uc790. val images = listOf(src) val channels = MatOfInt(0) \/\/grayscale\uc740 \ucc44\ub110\uc774 \ud558\ub098\uc774\ubbc0\ub85c 0 val mask:Mat = &#8230; \/\/ \ub9c8\uc2a4\ud06c val hist = Mat() \/\/ \ud788\uc2a4\ud1a0\uadf8\ub7a8 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"inline_featured_image":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0},"categories":[27],"tags":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/charlezz.com\/index.php?rest_route=\/wp\/v2\/posts\/44834"}],"collection":[{"href":"https:\/\/charlezz.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/charlezz.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/charlezz.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/charlezz.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=44834"}],"version-history":[{"count":2,"href":"https:\/\/charlezz.com\/index.php?rest_route=\/wp\/v2\/posts\/44834\/revisions"}],"predecessor-version":[{"id":44895,"href":"https:\/\/charlezz.com\/index.php?rest_route=\/wp\/v2\/posts\/44834\/revisions\/44895"}],"wp:attachment":[{"href":"https:\/\/charlezz.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=44834"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/charlezz.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=44834"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/charlezz.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=44834"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}