{"id":6295,"date":"2019-03-11T11:37:34","date_gmt":"2019-03-11T02:37:34","guid":{"rendered":"http:\/\/www.gisdeveloper.co.kr\/?p=6295"},"modified":"2020-05-28T12:45:03","modified_gmt":"2020-05-28T03:45:03","slug":"python%ea%b3%bc-opencv-1-%ec%9d%b4%eb%af%b8%ec%a7%80%eb%a5%bc-%ea%b0%80%ec%a7%80%ea%b3%a0-%ec%8b%9c%ec%9e%91%ed%95%98%ea%b8%b0","status":"publish","type":"post","link":"http:\/\/www.gisdeveloper.co.kr\/?p=6295","title":{"rendered":"Python\uacfc OpenCV &#8211; 1 : \uc774\ubbf8\uc9c0\ub97c \uac00\uc9c0\uace0 \uc2dc\uc791\ud558\uae30"},"content":{"rendered":"<p>\uc6d0\ubb38\uc740 https:\/\/opencv-python-tutroals.readthedocs.io\/en\/latest\/py_tutorials\/py_gui\/py_image_display\/py_image_display.html#display-image \uc785\ub2c8\ub2e4.<\/p>\n<p>OpenCV\ub294 \ub2e8\uc77c \uc774\ubbf8\uc9c0\ub098 \ub3d9\uc601\uc0c1\uc758 \uc774\ubbf8\uc9c0\ub97c \uc6d0\ud558\ub294 \uacb0\uacfc\ub97c \ubd84\uc11d \ubc0f \ucd94\ucd9c\ud558\uae30 \uc704\ud55c API\uc785\ub2c8\ub2e4. OpenCV\ub294 C\/C++ \uc5b8\uc5b4\ub85c \uac1c\ubc1c\ub418\uc5c8\uace0, \uc774 API\ub97c \uc0ac\uc6a9\ud560 \uc218 \uc788\ub294 \uc5b8\uc5b4\ub294 C\/C++, Java, Python \ub4f1\uc785\ub2c8\ub2e4. \uadf8\ub9ac\uace0 \ud65c\uc6a9\ud560 \uc218 \uc788\ub294 \ud50c\ub7ab\ud3fc\uc740 Windows, Linix, Android, iOS \ub4f1\uc785\ub2c8\ub2e4. \uc774 \uae00\uc740 OpenCV\ub97c Python \uc5b8\uc5b4\ub97c \uc774\uc6a9\ud574 \ud559\uc2b5\ud558\uba74\uc11c \uc815\ub9ac\ud560 \ud544\uc694\uac00 \uc788\ub2e4\uace0 \ud310\ub2e8\ub418\ub294 \ud575\uc2ec\ub0b4\uc6a9\uc744 \uaf3c\uaf3c\uc774 \uae30\ub85d\ud558\uae30 \uc704\ud55c \ubaa9\uc801\uc744 \uac16\uc2b5\ub2c8\ub2e4. \uac01 \uae00\uc5d0 \ub300\ud55c \uc6d0\ubb38\uc740 \uae00\uc758 \uc11c\ubb38\uc5d0 \uc5b8\uae09\ud574 \ub450\uace0 \uc788\uc73c\ub2c8, \ucc38\uace0\ud558\uc2dc\uae30 \ubc14\ub78d\ub2c8\ub2e4. \uc544\uc6b8\ub9ac \uc774 \uae00\uc740 \ud544\uc790\uac00 \uc6d0\ubb38\uc758 \ub0b4\uc6a9\uc744 \ud1b5\ud574 \ud559\uc2b5\ud558\uace0 \ud544\uc790 \ub098\ub984\ub300\ub85c \uc7ac\ud574\uc11d\ud558\uc5ec \uae00\uc744 \uc791\uc131\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uae00\uacfc \uc774\ud6c4\uc758 Python\uacfc OpenCV \uad00\ub828\uae00\uc740 \ubaa8\ub450 \uc774\uc640 \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n<p>OpenCV\uc640 Python\uc758 \uc124\uce58 \ubc29\ubc95\uc740 \uc0dd\ub7b5\ud569\ub2c8\ub2e4. \uac80\uc0c9\uc744 \ud1b5\ud574 \uac01\uc790 \uc790\uc2e0\uc5d0 \ub9de\ub294 \ud658\uacbd\uc5d0 \uc124\uce58\ud558\uae30 \ubc14\ub78d\ub2c8\ub2e4.<\/p>\n<p>OpenCV\ub294 \uc774\ubbf8\uc9c0\ub97c \ub300\uc0c1\uc73c\ub85c \uc5b4\ub5a4 \ucc98\ub9ac\ub97c \uc218\ud589\ud558\ubbc0\ub85c \uc774\ubbf8\uc9c0\ub97c \uc77d\uace0 \ud654\uba74\uc5d0 \ud45c\uc2dc\ud558\ub294 \uac83\uc740 \ub9e4\uc6b0 \uc911\uc694\ud558\uace0 \uae30\ucd08\uc801\uc778 \ub0b4\uc6a9\uc785\ub2c8\ub2e4. \uc774 \uae00\uc740 \ubc14\ub85c \uc774\ubbf8\uc9c0\ub97c \uc77d\uc5b4 \ud654\uba74\uc5d0 \ud45c\uc2dc\ud558\ub294 \ub0b4\uc6a9\uc5d0 \ub300\ud55c \uae00\uc785\ub2c8\ub2e4. \uac00\uc7a5 \uba3c\uc800 \uc791\uc131\ub41c \ucf54\ub4dc\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"python\">\r\nimport numpy as np\r\nimport cv2\r\n\r\nimg = cv2.imread('.\/data\/quark-particle-flavors.jpg', cv2.IMREAD_GRAYSCALE)\r\n\r\ncv2.imshow('image', img)\r\n\r\nk = cv2.waitKey()\r\n\r\nif k == ord('s'):\r\n    cv2.imwrite('d:\/z.jpg', img)\r\n\r\ncv2.destroyAllWindows()\r\n<\/pre>\n<p>1,2\ubc88 \ucf54\ub4dc\ub294 OpenCV API \uc0ac\uc6a9\uc744 \uc704\ud55c \ubaa8\ub4c8\uc744 \ubd88\ub7ec\ub4e4\uc774\ub294 \ucf54\ub4dc\uc785\ub2c8\ub2e4. OpenCV\ub294 \uc774\ubbf8\uc9c0 \ub370\uc774\ud130\ub97c numpy\uc758 \uc790\ub8cc\uad6c\uc870\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uadf8\ub7ec\ubbc0\ub85c OpenCV\uc758 \uc0ac\uc6a9\uc5d0 \uc788\uc5b4 numpy \ubaa8\ub4c8\uc740 \ud56d\uc0c1 \ud568\uaed8 \ud569\ub2c8\ub2e4. <\/p>\n<p>\uc2e4\uc81c \uc774\ubbf8\uc9c0\ub97c \ubd88\ub7ec \ub4e4\uc774\ub294 \ucf54\ub4dc\ub294 4\ubc88\uc758 cv2.imread \ud568\uc218\uc778\ub370, \uccab\ubc88\uc9f8 \uc778\uc790\ub294 \ubd88\ub7ec\ub4dc\ub9b4 \uc774\ubbf8\uc9c0 \ud30c\uc77c\uba85\uc774\uba70 \ub450\ubc88\uc9f8\ub294 \ud574\ub2f9 \uc774\ubbf8\uc9c0\ub97c \ubd88\ub7ec\uc640 \uc5b4\ub5a4 \ud3ec\ub9f7\uc73c\ub85c \uba54\ubaa8\ub9ac\uc5d0 \uc801\uc7ac\ud574 numpy \uc790\ub8cc \uad6c\uc870\uc758 \uac1d\uccb4\ub97c \uc0dd\uc131\ud560 \uac83\uc778\uc9c0\uc785\ub2c8\ub2e4. \uc704\uc758 \ucf54\ub4dc\uc5d0\uc11c\ub294 cv.IMREAD_GRAYSCALE\ub85c\uc368 \ube44\ub85d \ud574\ub2f9 \uc6d0\ubcf8 \uc774\ubbf8\uc9c0\uac00 RGB\uc758 \uce7c\ub77c \uc774\ubbf8\uc9c0\uc774\uc9c0\ub9cc Gray \uc0c9\uc0c1\uc73c\ub85c \ud574\uc11d\ud574 \uc774\ubbf8\uc9c0 \uac1d\uccb4\ub97c \ubc18\ud658\ud558\ub77c\ub294 \uac83\uc785\ub2c8\ub2e4. cv.IMREAD_GRAYSCALE \uc774\uc678\uc5d0\ub3c4 \uc0ac\uc6a9\ud560 \uc218 \uc788\ub294 \uac12\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n<ul>\n<li>cv2.IMREAD_COLOR : \ubcc4\ub3c4\ub85c \uc9c0\uc815\ud558\uc9c0 \uc54a\uc744 \uacbd\uc6b0 \uc0ac\uc6a9\ub418\ub294 \uae30\ubcf8\uac12\uc774\uba70 \uce7c\ub77c \uc774\ubbf8\uc9c0\ub85c \uc77d\uc5b4\ub4dc\ub9bc. \uc774\ubbf8\uc9c0\uc758 \ud22c\uba85\ub3c4\uac12\uc740 \ubb34\uc2dc\ub41c\ub2e4.<\/li>\n<li>cv2.IMREAD_GRAYSCALE : \uc774\ubbf8\uc9c0\ub97c Grayscale\ub85c \uc77d\ub294\ub2e4<\/li>\n<li>cv2.IMREAD_UNCHANGED : \ud22c\uba85\ub3c4\uc778 Alpha \ucc44\ub110\uc744 \ud3ec\ud568\ud558\uc5ec \uc77d\ub294\ub2e4.<\/li>\n<\/ul>\n<p>\ubc18\ud658\ub41c \uc774\ubbf8\uc9c0\ub294 img \ubcc0\uc218\uc5d0 \ub2f4\uae30\uba70 img \ubcc0\uc218\uc758 type\uc744 \ud655\uc778\ud574 \ubcf4\uba74 &#8216;numpy.ndarray&#8217;\ub77c\ub294 \ud0c0\uc785\uc73c\ub85c \ud45c\uc2dc\ub429\ub2c8\ub2e4. \uc774\uc81c \uc774 \uc774\ubbf8\uc9c0\ub97c \ud45c\uc2dc\ud558\uae30 \uc704\ud574 6\ubc88\uc758 \ucf54\ub4dc\uc778 cv2.imshow \ud568\uc218\uac00 \uc0ac\uc6a9\ub418\ub294\ub370 \uccab\ubc88\uc9f8 \uc778\uc218\ub294 \uc774\ubbf8\uc9c0\uac00 \ud45c\uc2dc\ub418\ub294 Window\uc758 \uc2dd\ubcc4\uc790\uc778 \uc774\ub984\uc774\uace0 \ub450\ubc88\uc9f8\uac00 \ud45c\uc2dc\ub418\ub294 \uc774\ubbf8\uc9c0 \uac1d\uccb4\uc785\ub2c8\ub2e4. \ud45c\uc2dc\ub418\ub294 \uc774\ubbf8\uc9c0 \uac1d\uccb4\ub294 4\ubc88 \ucf54\ub4dc\uc5d0\uc11c \uc815\uc758\ub41c \ubcc0\uc218\uc785\ub2c8\ub2e4.<\/p>\n<p>8\ubc88 \ucf54\ub4dc\ub294 \uc0ac\uc6a9\uc790\uac00 \ud0a4 \uc785\ub825\uc744 \uae30\ub2e4\ub9ac\ub294 \ud568\uc218\uc778 cv2.waitKey\ub85c \uc778\uc790\uac12\uc774 \uc5c6\uac70\ub098 0\uc77c \uacbd\uc6b0 \uc2dc\uac04 \uc81c\ud55c\uc5c6\uc774 \uc0ac\uc6a9\uc790\uc758 \ud0a4 \uc785\ub825\uc744 \uae30\ub2e4\ub9bd\ub2c8\ub2e4. \uc778\uc790\uac00 \uc9c0\uc815\ub418\uba74 \ud574\ub2f9\uac12\uc758 \uc2dc\uac04\ub9cc\ud07c\ub9cc \ud0a4 \uc785\ub825\uc744 \uae30\ub2e4\ub9bd\ub2c8\ub2e4.>\/p><\/p>\n<p>10\ubc88 \ucf54\ub4dc\ub294 \uc785\ub825\ub41c \ud0a4\uac12\uc774 \uc18c\ubb38\uc790 s\uc77c \uacbd\uc6b0 img \uac1d\uccb4\uc758 \uc800\uc7a5\ub41c \uc774\ubbf8\uc9c0\ub97c \ub610 \ub2e4\ub978 \ud30c\uc77c\ub85c \uc800\uc7a5\ud558\ub77c\ub294 cv2.imwrite \ud568\uc218\uc785\ub2c8\ub2e4.<\/p>\n<p>13\ubc88\uc740 \ud504\ub85c\uadf8\ub7a8\uc758 \uc885\ub8cc\ub97c \uc704\ud574 \ud45c\uc2dc\ub41c \ubaa8\ub4e0 Window\uc744 \ub2eb\uc73c\ub77c\ub294 \ucf54\ub4dc\uc785\ub2c8\ub2e4. \uc2e4\ud589\ud574\ubcf4\uba74 \ub2e4\uc74c \ud654\uba74\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.gisdeveloper.co.kr\/wp-content\/uploads\/2019\/03\/opencv1.png\" alt=\"\" width=\"1086\" height=\"1009\" class=\"aligncenter size-full wp-image-6299\" \/><\/p>\n<p>\uc774\ubbf8\uc9c0\uc758 \ud45c\uc2dc\ub294 OpenCV \ubc29\uc2dd\ub9cc \uc788\ub294\uac83\uc774\ub77c \uc544\ub2c8\uace0 Matplotlib\ub97c \uc0ac\uc6a9\ud560 \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ubbf8\uc9c0 \ucc98\ub9ac\uc758 \uacb0\uacfc\ub97c \uadf8\ub798\ud504\ub97c \ud1b5\ud574 \ud6a8\uacfc\uc801\uc73c\ub85c \ud45c\uc2dc\ud558\uae30 \uc704\ud574 Matplotlib\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. Matplotlib\ub97c \uc774\uc6a9\ud55c \uc774\ubbf8\uc9c0 \ud45c\uc2dc\uc758 \ucf54\ub4dc\ub294 \uc544\ub798\uc640 \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"python\">\r\nimport numpy as np\r\nimport cv2\r\nfrom matplotlib import pyplot as plt\r\n\r\nimg = cv2.imread('.\/data\/quark-particle-flavors.jpg', 0)\r\nplt.imshow(img, cmap = 'gray', interpolation = 'bicubic')\r\nplt.xticks([]), plt.yticks([])\r\nplt.show()\r\n<\/pre>\n<p>\uc2e4\ud589 \uacb0\uacfc\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.gisdeveloper.co.kr\/wp-content\/uploads\/2019\/03\/opencv2.png\" alt=\"\" width=\"1143\" height=\"859\" class=\"aligncenter size-full wp-image-6301\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uc6d0\ubb38\uc740 https:\/\/opencv-python-tutroals.readthedocs.io\/en\/latest\/py_tutorials\/py_gui\/py_image_display\/py_image_display.html#display-image \uc785\ub2c8\ub2e4. OpenCV\ub294 \ub2e8\uc77c \uc774\ubbf8\uc9c0\ub098 \ub3d9\uc601\uc0c1\uc758 \uc774\ubbf8\uc9c0\ub97c \uc6d0\ud558\ub294 \uacb0\uacfc\ub97c \ubd84\uc11d \ubc0f \ucd94\ucd9c\ud558\uae30 \uc704\ud55c API\uc785\ub2c8\ub2e4. OpenCV\ub294 C\/C++ \uc5b8\uc5b4\ub85c \uac1c\ubc1c\ub418\uc5c8\uace0, \uc774 API\ub97c \uc0ac\uc6a9\ud560 \uc218 \uc788\ub294 \uc5b8\uc5b4\ub294 C\/C++, Java, Python \ub4f1\uc785\ub2c8\ub2e4. \uadf8\ub9ac\uace0 \ud65c\uc6a9\ud560 \uc218 \uc788\ub294 \ud50c\ub7ab\ud3fc\uc740 Windows, Linix, Android, iOS \ub4f1\uc785\ub2c8\ub2e4. \uc774 \uae00\uc740 OpenCV\ub97c Python \uc5b8\uc5b4\ub97c \uc774\uc6a9\ud574 \ud559\uc2b5\ud558\uba74\uc11c \uc815\ub9ac\ud560 \ud544\uc694\uac00 \uc788\ub2e4\uace0 \ud310\ub2e8\ub418\ub294 \ud575\uc2ec\ub0b4\uc6a9\uc744 \uaf3c\uaf3c\uc774 \uae30\ub85d\ud558\uae30 \uc704\ud55c \ubaa9\uc801\uc744 &hellip; <\/p>\n<p class=\"link-more\"><a href=\"http:\/\/www.gisdeveloper.co.kr\/?p=6295\" class=\"more-link\">\ub354 \ubcf4\uae30<span class=\"screen-reader-text\"> &#8220;Python\uacfc OpenCV &#8211; 1 : \uc774\ubbf8\uc9c0\ub97c \uac00\uc9c0\uace0 \uc2dc\uc791\ud558\uae30&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[130,131],"tags":[],"class_list":["post-6295","post","type-post","status-publish","format-standard","hentry","category-opencv","category-python"],"_links":{"self":[{"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=\/wp\/v2\/posts\/6295","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6295"}],"version-history":[{"count":9,"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=\/wp\/v2\/posts\/6295\/revisions"}],"predecessor-version":[{"id":9509,"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=\/wp\/v2\/posts\/6295\/revisions\/9509"}],"wp:attachment":[{"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6295"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6295"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6295"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}