{"id":44835,"date":"2021-03-16T22:03:50","date_gmt":"2021-03-16T13:03:50","guid":{"rendered":"https:\/\/www.charlezz.com\/?p=44835"},"modified":"2021-03-24T09:11:46","modified_gmt":"2021-03-24T00:11:46","slug":"opencv-%ec%9d%b4%eb%af%b8%ec%a7%80%ec%9d%98-%ed%94%bd%ec%85%80-%ec%b2%98%eb%a6%ac-%eb%b0%8f-%eb%b0%9d%ea%b8%b0-%ec%a1%b0%ec%a0%88%ed%95%98%ea%b8%b0","status":"publish","type":"post","link":"https:\/\/charlezz.com\/?p=44835","title":{"rendered":"[\uc548\ub4dc\ub85c\uc774\ub4dc\ub85c \ubc30\uc6b0\ub294 OpenCV] \uc774\ubbf8\uc9c0\uc758 \ud53d\uc140 \ucc98\ub9ac \ubc0f \ubc1d\uae30 \uc870\uc808\ud558\uae30"},"content":{"rendered":"

\uc774\ubbf8\uc9c0 \ubc1d\uae30 \uc870\uc808\ud558\uae30<\/h1>\n

\uc544\ub798 \uc774\ubbf8\uc9c0\uc640 \uac19\uc774 \uc6d0\ubcf8\uc774\ubbf8\uc9c0\uc758 \ubc1d\uae30\ub97c \uc870\uc808\ud558\ub294 \ubc29\ubc95\uc5d0 \ub300\ud574\uc11c \uc54c\uc544\ubcf8\ub2e4.<\/p>\n

\"\"<\/a><\/p>\n

\uc6d0\ubcf8\uc774\ubbf8\uc9c0<\/p>\n<\/div>\n

\"\"<\/a><\/p>\n

\ubc1d\uae30+100<\/p>\n<\/div>\n

\"\"<\/a><\/p>\n

\ubc1d\uae30-100<\/p>\n<\/div>\n

\ud53d\uc140 \ucc98\ub9ac\ud558\uae30<\/h2>\n

\uc774\ubbf8\uc9c0\ub97c \ubc1d\uac8c \ud558\uac70\ub098 \uc5b4\ub461\uac8c \ud558\uae30 \uc704\ud574\uc11c\ub294 \uac01 \ud53d\uc140\uc5d0 \ub300\ud55c \ud2b9\uc815 \uc5f0\uc0b0\uc744 \ud574\uc918\uc57c\ud55c\ub2e4.
\n\uc774\ubbf8\uc9c0\ub294 \uc5ec\ub7ec \ud53d\uc140\ub4e4\ub85c \uad6c\uc131\ub418\uba70 \ud53d\uc140\uc758 \ucd1d \uac2f\uc218\ub294 \ub2e4\uc74c\uacfc \uac19\uc774 \uad6c\ud560 \uc218 \uc788\ub2e4.<\/p>\n

\uc774\ubbf8\uc9c0\uc758 \uac00\ub85c \uae38\uc774 * \uc774\ubbf8\uc9c0\uc758 \uc138\ub85c \uae38\uc774 = \ucd1d \ud53d\uc140 \uac2f\uc218<\/pre>\n
\uc77c\ubc18\uc801\uc778 \uc774\ubbf8\uc9c0\ub97c \ub2e4\uc74c\uacfc \uac19\uc774 \uc88c\ud45c\uacc4\ub97c \ud1b5\ud574 \ud53d\uc140\uc758 \uc88c\ud45c\ub97c \ud2b9\uc815\ud574\ubcf4\uc790.<\/p>\n
\"\"<\/a><\/p>\n
\uc774\ubbf8\uc9c0\uc758 \uac01 \ud53d\uc140\uc744 \b\uc88c\ud45c\uacc4\ub85c \ub098\ud0c0\ub0b8\ub2e4.<\/p>\n<\/div>\n
\uac00\ub85c\uc5d0 \ud574\ub2f9\ud558\ub294 \ud53d\uc140\uc744 x\ucd95\uc73c\ub85c \uc138\ub85c\uc5d0 \ud574\ub2f9\ud558\ub294 \ud53d\uc140\uc744 y\ucd95\uc73c\ub85c \ub098\ud0c0\ub0b8\ub2e4.\u00a0<\/p>\n
\ubc1d\uae30 \uc870\uc808 \uc218\uc2dd<\/h2>\n
\uc774\ubbf8\uc9c0\uac00 \ud53d\uc140\ub4e4\uc758 \uc9d1\ud569\uc774\uace0 \uc774\ub97c x,y \uc88c\ud45c\uacc4\ub85c \ub098\ud0c0\ub0bc \uc218 \uc788\uc74c\uc744 \uc774\ud574\ud588\ub2e4\uba74 \ub2e4\uc74c \uc218\uc2dd\uc744 \ud1b5\ud574 \uc774\ubbf8\uc9c0\uc758 \ubc1d\uae30\ub97c \uc870\uc808\ud560 \uc218 \uc788\ub2e4.<\/p>\n
 <\/p>\n
dst(x,y) = saturate(src(x,y)+n)<\/pre>\n
src : \uc6d0\ubcf8 \uc774\ubbf8\uc9c0
\ndst : \uacb0\uacfc \uc774\ubbf8\uc9c0
\nn : \ubc1d\uae30 \uc870\uc808 \uc0c1\uc218<\/p>\n
\"\"<\/a><\/p>\n
\uc6d0\ubcf8\uc774\ubbf8\uc9c0\uc758 \uac01 \ud53d\uc140\uc5d0 n\uac12\uc744 \ub354\ud558\uc5ec \ubc1d\uae30\ub97c \uc870\uc808\ud55c\ub2e4. n \uac12\uc774 \uc591\uc758 \uc815\uc218\uba74 \uc774\ubbf8\uc9c0\ub294 \ubc1d\uc544\uc9c0\uace0, \uc74c\uc758 \uc815\uc218\uba74 \uc5b4\ub450\uc6cc \uc9c4\ub2e4<\/strong>.<\/p>\n
saturate\uc5f0\uc0b0<\/strong>\uc740 \ud53d\uc140\uc774 \uac00\uc9c8 \uc218 \uc788\ub294 \uac12\uc758 \ubc94\uc704(0~255)\ub97c \ub118\uc5b4\uc11c\ub294 \uacbd\uc6b0 0 \ub610\ub294 255\ub85c \ub9de\ucd94\ub294 \uc5f0\uc0b0\uc774\ub2e4. \uc774\ub7f0 \uc5f0\uc0b0\uc744 OpenCV\uc5d0\uc11c \ud3ec\ud654\uc5f0\uc0b0(saturate)\ub77c\uace0 \ud55c\ub2e4.<\/p>\n
\uc989, \uc5b4\ub290 \ud53d\uc140\uc758 \uac12\uc774 250\uc77c \ub54c +10\uc744 \ub354\ud55c\ub2e4\uace0 \uac00\uc815\ud558\uba74 260\uc774\ubbc0\ub85c 255\ub97c \ucd08\uacfc\ud55c \uac12\uc774 \ub41c\ub2e4. \uadf8\ub7f4\ub54c\ub294 260\uc744 255\ub85c \uc870\uc808\ud558\uac8c \ub41c\ub2e4.<\/p>\n
\ubc1d\uae30 \uc870\uc808 \ud568\uc218<\/h2>\n
\uc0ac\uc2e4 \uc774\ubbf8\uc9c0\uc758 ‘\ubc1d\uae30<\/strong>‘\ub9cc\uc744 \uc870\uc808\ud558\ub294 \ud568\uc218\ub294 \ub530\ub85c \uc874\uc7ac\ud558\uc9c0 \uc54a\ub294\ub2e4.
\n\ub450 \ubc30\uc5f4(Mat) \ub610\ub294 \ubc30\uc5f4\uacfc \uc2a4\uce7c\ub77c\uc758 \ud569\uacc4\ub97c \uacc4\uc0b0\ud574\uc8fc\ub294 add()<\/a>\ud568\uc218\ub97c \uc0ac\uc6a9\ud558\uc5ec \ubc1d\uae30\ub97c \uc870\uc808\ud560 \uc218 \uc788\ub2e4.<\/span><\/p>\n
\uac04\ub2e8\ud55c \uc608\uc81c\ub97c \uc0b4\ud3b4\ubcf4\uc790.<\/p>\n
private fun calcBrightness(src: Mat, additionalBrightness: Int): Mat {\r\n    \/\/ \ubc1d\uae30\ub97c \uc2a4\uce7c\ub77c\uac12\uc73c\ub85c \uce58\ud658\r\n    val src2 = Scalar.all(additionalBrightness.toDouble())\r\n    val dst = Mat()\r\n    Core.add(src, src2, dst)\r\n    return dst\r\n}<\/pre>\n
\uccab\ubc88\uc9f8 \uc778\uc790\uc5d0 \uc6d0\ubcf8 \uc774\ubbf8\uc9c0\ub97c, 
\n\ub450\ubc88\uc9f8 \uc778\uc790\uc5d0\ub294 \ub354 \ud558\uace0 \uc2f6\uc740 \ubc1d\uae30\uc815\ub3c4\ub97c Scalar\ub85c \uce58\ud658\ud558\uc5ec \ub123\ub294\ub2e4.
\n\uc138\ubc88\uc9f8 \uc778\uc790\uc5d0\ub294 \uacb0\uacfc\ub97c \ubc18\ud658\ubc1b\uc744 Mat \uac1d\uccb4\ub97c \ub123\uc5c8\ub2e4.<\/p>\n
\uc774\uc678\uc5d0\ub3c4 Java OpenCV\uc5d0\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \uc778\uc790\ub97c \uac16\ub294 add \ud568\uc218\ub97c \uc81c\uacf5\ud55c\ub2e4.<\/p>\n
\"\"<\/a><\/p>\n
\uacb0\uacfc<\/h2>\n

\nhttps:\/\/www.charlezz.com\/wordpress\/wp-content\/uploads\/2021\/03\/www.charlezz.com-opencv-screencapture-1615899754740.mp4<\/a><\/video><\/div>\n
 <\/p>\n
    <\/ul>\n","protected":false},"excerpt":{"rendered":"
    \uc774\ubbf8\uc9c0 \ubc1d\uae30 \uc870\uc808\ud558\uae30 \uc544\ub798 \uc774\ubbf8\uc9c0\uc640 \uac19\uc774 \uc6d0\ubcf8\uc774\ubbf8\uc9c0\uc758 \ubc1d\uae30\ub97c \uc870\uc808\ud558\ub294 \ubc29\ubc95\uc5d0 \ub300\ud574\uc11c \uc54c\uc544\ubcf8\ub2e4. \ud53d\uc140 \ucc98\ub9ac\ud558\uae30 \uc774\ubbf8\uc9c0\ub97c \ubc1d\uac8c \ud558\uac70\ub098 \uc5b4\ub461\uac8c \ud558\uae30 \uc704\ud574\uc11c\ub294 \uac01 \ud53d\uc140\uc5d0 \ub300\ud55c \ud2b9\uc815 \uc5f0\uc0b0\uc744 \ud574\uc918\uc57c\ud55c\ub2e4. \uc774\ubbf8\uc9c0\ub294 \uc5ec\ub7ec \ud53d\uc140\ub4e4\ub85c \uad6c\uc131\ub418\uba70 \ud53d\uc140\uc758 \ucd1d \uac2f\uc218\ub294 \ub2e4\uc74c\uacfc \uac19\uc774 \uad6c\ud560 \uc218 \uc788\ub2e4. \uc774\ubbf8\uc9c0\uc758 \uac00\ub85c \uae38\uc774 * \uc774\ubbf8\uc9c0\uc758 \uc138\ub85c \uae38\uc774 = \ucd1d \ud53d\uc140 \uac2f\uc218 \uc77c\ubc18\uc801\uc778 […]<\/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\/44835"}],"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=44835"}],"version-history":[{"count":3,"href":"https:\/\/charlezz.com\/index.php?rest_route=\/wp\/v2\/posts\/44835\/revisions"}],"predecessor-version":[{"id":44862,"href":"https:\/\/charlezz.com\/index.php?rest_route=\/wp\/v2\/posts\/44835\/revisions\/44862"}],"wp:attachment":[{"href":"https:\/\/charlezz.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=44835"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/charlezz.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=44835"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/charlezz.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=44835"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}