{"id":7079,"date":"2019-05-28T09:11:12","date_gmt":"2019-05-28T00:11:12","guid":{"rendered":"http:\/\/www.gisdeveloper.co.kr\/?p=7079"},"modified":"2019-05-30T17:33:39","modified_gmt":"2019-05-30T08:33:39","slug":"python%ea%b3%bc-opencv-51-k-means-%ea%b5%b0%ec%a7%91%ed%99%94clustering%ec%9d%98-%ec%9d%b4%ed%95%b4","status":"publish","type":"post","link":"http:\/\/www.gisdeveloper.co.kr\/?p=7079","title":{"rendered":"Python\uacfc OpenCV \u2013 51 : K-Means \uad70\uc9d1\ud654(Clustering)\uc758 \uc774\ud574"},"content":{"rendered":"<p>\uc774 \uae00\uc758 \uc6d0\ubb38\uc740 https:\/\/opencv-python-tutroals.readthedocs.io\/en\/latest\/py_tutorials\/py_ml\/py_kmeans\/py_kmeans_understanding\/py_kmeans_understanding.html \uc785\ub2c8\ub2e4.<\/p>\n<p>\uc774 \uae00\uc740 K-Means \ud074\ub7ec\uc2a4\ud130\ub9c1\uc5d0 \ub300\ud55c \uac1c\ub150\uc744 \uc608\ub97c \ud1b5\ud574 \uc124\uba85\ud569\ub2c8\ub2e4.<\/p>\n<p>\ud2f0\uc154\uce20\ub97c \ub9cc\ub2e4\ub294 \uc5b4\ub5a4 \ud68c\uc0ac\uac00 \uc788\ub2e4\uace0 \ud569\uc2dc\ub2e4. \uc774 \ud68c\uc0ac\ub294 \uc0c8\ub85c\uc6b4 \ud2f0\uc154\uce20\ub97c \ub9cc\ub4e4\uc5b4 \uc2dc\uc7a5\uc5d0 \ubfcc\ub9ac\ub824\uace0 \ud569\ub2c8\ub2e4. \ubd84\uba85\uc774 \uc774 \ud68c\uc0ac\ub294 \ubaa8\ub4e0 \uc0ac\ub78c\ub4e4\uc774 \ub9cc\uc871\ud558\ub294 \ub2e4\uc591\ud55c \ud2f0\uc154\uce20 \uc0ac\uc774\uc988\ub97c \uc0dd\uc0b0\ud574\uc57c \ud569\ub2c8\ub2e4. \uadf8\ub798\uc11c \uc774 \ud68c\uc0ac\ub294 \uc0ac\ub78c\ub4e4\uc758 \ud0a4\uc640 \ubab8\ubb34\uac8c\uc758 \ub370\uc774\ud130\ub97c \uc218\uc9d1\ud574\uc11c \uc544\ub798\ucc98\ub7fc \uadf8\ub798\ud504\ub85c \ud45c\ud604 \ud588\uc2b5\ub2c8\ub2e4.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.gisdeveloper.co.kr\/wp-content\/uploads\/2019\/05\/tshirt.jpg\" alt=\"\" width=\"384\" height=\"348\" class=\"aligncenter size-full wp-image-7080\" \/><\/p>\n<p>\ud68c\uc0ac\ub294 \ubaa8\ub4e0 \uc0ac\uc774\uc988\uc5d0 \ub300\ud55c \ud2f0\uc154\uce20\ub97c \ub9cc\ub4e4 \uc218\ub294 \uc5c6\uc2b5\ub2c8\ub2e4. \ub300\uc2e0\uc5d0 \uc791\uc740 \uc0ac\uc774\uc988, \uc911\uac04 \uc0ac\uc774\uc988, \ud070 \uc0ac\uc774\uc988\uc640 \uac19\uc774 3\uac00\uc9c0 \uc0ac\uc774\uc988\ub97c \ub9cc\ub4e4\uace0 \ubaa8\ub4e0 \uc0ac\ub78c\uc774 \uc774 \uc14b \uc911\uc5d0 \ud558\ub098\ub97c \uace8\ub77c \ub9cc\uc871\ud558\uae30\ub97c \uae30\ub300\ud569\ub2c8\ub2e4. \uc0ac\ub78c\ub4e4\uc744 \uc774 3\uac1c\uc758 \uadf8\ub8f9\uc73c\ub85c \ub098\ub204\ub294 \uac83\uc740 K-Means \ud074\ub7ec\uc2a4\ud130\ub9c1\uc744 \ud1b5\ud574 \uac00\ub2a5\ud558\uba70, \uc774 \uc54c\uace0\ub9ac\uc998\uc740 \ubaa8\ub4e0 \uc0ac\ub78c\ub4e4\uc774 \ub9cc\uc871\ud560 \uc218 \uc788\ub294 \ucd5c\uc801\uc758 3\uac00\uc9c0 \uc0ac\uc774\uc988\ub97c \uc0b0\ucd9c\ud574 \ub0bc \uac83\uc785\ub2c8\ub2e4. 3\uac00\uc9c0\ub85c \ubd80\uc871\ud558\ub2e4\uba74 4\uac1c\ub85c \uadf8\ub8f9\uc744 \ub098\ub20c \uac83\uc774\uace0.. \uacc4\uc18d \ub9cc\uc871\ud560 \ub9cc\ud55c \uac1c\uc218\uc758 \uadf8\ub8f9\uc73c\ub85c \ub298\ub824\ub098\uac08 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc544\ub798 \uadf8\ub7fc\ucc98\ub7fc\uc694.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.gisdeveloper.co.kr\/wp-content\/uploads\/2019\/05\/tshirt_grouped.jpg\" alt=\"\" width=\"450\" height=\"225\" class=\"aligncenter size-full wp-image-7082\" \/><\/p>\n<p>\uc790, \uc774\uc81c \uc774 K-Means \ud074\ub7ec\uc2a4\ud130\ub9c1\uc758 \uc54c\uace0\ub9ac\uc998\uc744 \uc54c\uc544 \ubd05\uc2dc\ub2e4. \uadf8\ub9bc\uc744 \ud1b5\ud574 \ub2e8\uacc4\ubcc4\ub85c \uc124\uba85\ud558\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\uc544\ub798\uc640 \uac19\uc740 \ub370\uc774\ud130\uc14b\uc744 \uc0b4\ud3b4\ubd05\uc2dc\ub2e4. \uc774 \ub370\uc774\ud130\uc14b\uc744 \uc55e\uc11c \uc5b8\uae09\ud55c \ud2f0\uc154\uce20 \ub370\uc774\ud130\ub77c\uace0 \ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \ub370\uc774\ud130\ub97c 2\uac1c\uc758 \uadf8\ub8f9\uc73c\ub85c \uad70\uc9d1\ud654(Clustering)\ud574 \ubd05\uc2dc\ub2e4.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.gisdeveloper.co.kr\/wp-content\/uploads\/2019\/05\/testdata.jpg\" alt=\"\" width=\"450\" height=\"356\" class=\"aligncenter size-full wp-image-7084\" \/><\/p>\n<h4>1\ub2e8\uacc4<\/h4>\n<p>\ubb34\uc791\uc704\ub85c 2\uac1c\uc758 \uc911\uc2ec\uc810\uc744 \uc120\ud0dd\ud569\ub2c8\ub2e4. \uc774 \uc911\uc2ec\uc810\uc740 C1\uacfc C2\ub77c\uace0 \ud569\uc2dc\ub2e4. (\uadf8\ub0e5 \ub370\uc774\ud130 \uc14b\uc911 2\uac1c\ub97c \uc7a1\uc544\uc11c \uadf8 2\uac1c\uac00 C1, C2\ub77c\uace0 \ud574\ub3c4 \ub429\ub2c8\ub2e4)<\/p>\n<h4>2\ub2e8\uacc4<\/h4>\n<p>\ub370\uc774\ud130\uc14b\uc744 \uad6c\uc131\ud558\ub294 \uac01\uac01\uc758 \ubaa8\ub4e0 \ud3ec\uc778\ud2b8\uc640 C1, C2 \uc0ac\uc774\uc758 \uac70\ub9ac\ub97c \uacc4\uc0b0\ud569\ub2c8\ub2e4. \ub9cc\uc57d \ud574\ub2f9 \ud3ec\uc778\ud2b8(\ud14c\uc2a4\ud2b8 \ub370\uc774\ud130)\uac00 C1\uc5d0 \ub354 \uac00\uae5d\ub2e4\uba74, \uadf8 \ud3ec\uc778\ud2b8\uc5d0 &#8216;0&#8217;\uc774\ub77c\ub294 \ub77c\ubca8\uc744 \ubd99\uc785\ub2c8\ub2e4. \ub9cc\uc57d C2\uc5d0 \ub354 \uac00\uae5d\ub2e4\uba74 &#8216;1&#8217;\uc774\ub77c\ub294 \ub77c\ubca8\uc744 \ubd99\uc774\uad6c\uc694. (\ub354 \ub9ce\uc740 \uc911\uc2ec\uc810\uc774 \uc788\ub2e4\uba74 &#8216;2&#8217;, &#8216;3&#8217; \ub4f1\ub4f1\uc774 \ub418\uaca0\uc8e0) \uc6b0\ub9ac\uc758 \uacbd\uc6b0, &#8216;0&#8217; \ub77c\ubca8\uc740 \ube68\uac04\uc0c9\uc73c\ub85c, &#8216;1&#8217; \ub77c\ubca8\uc740 \ud30c\ub780\uc0c9\uc73c\ub85c \ud45c\uc2dc\ud588\uc2b5\ub2c8\ub2e4. \uc774 \ub2e8\uacc4\ub97c \ud1b5\ud574 \uc544\ub798\uc640 \uac19\uc740 \uc774\ubbf8\uc9c0\ub97c \uc5bb\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.gisdeveloper.co.kr\/wp-content\/uploads\/2019\/05\/initial_labelling.jpg\" alt=\"\" width=\"450\" height=\"354\" class=\"aligncenter size-full wp-image-7088\" \/><\/p>\n<h4>3\ub2e8\uacc4<\/h4>\n<p>\ud30c\ub780\uc0c9 \ud3ec\uc778\ud2b8 \uc804\uccb4\uc640 \ube68\uac04\uc0c9 \ud3ec\uc778\ud2b8 \uc804\uccb4\uc5d0 \ub300\ud55c \uac01\uac01\uc758 \ud3c9\uade0\uc744 \uacc4\uc0b0\ud558\uace0 \uc774 \ud3c9\uade0\uc744 \uc0c8\ub85c\uc6b4 \uc911\uc2ec\uc810\uc73c\ub85c \uac31\uc2e0\ud569\ub2c8\ub2e4. \uc989 C1\uacfc C2\ub294 \uc0c8\ub86d\uac8c \uacc4\uc0b0\ub41c \uc911\uc2ec\uc810\uc73c\ub85c \uc774\ub3d9\ub418\uaca0\uc8e0. \uadf8\ub9ac\uace0 2\ub2e8\uacc4\ub97c \ub2e4\uc2dc \uc218\ud589\ud569\ub2c8\ub2e4. \uadf8\ub7fc \ub2e4\uc74c\uacfc \uac19\uc740 \uacb0\uacfc\uac00 \uc5bb\uc5b4\uc9d1\ub2c8\ub2e4.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.gisdeveloper.co.kr\/wp-content\/uploads\/2019\/05\/update_centroid.jpg\" alt=\"\" width=\"450\" height=\"349\" class=\"aligncenter size-full wp-image-7091\" \/><\/p>\n<p>2\ub2e8\uacc4\uc640 3\ub2e8\uacc4\ub97c \ubc18\ubcf5\ud558\ub294\ub370, \uc911\uc2ec\uc810 C1\uacfc C2\uac00 \ub354 \uc774\uc0c1 \ubcc0\uacbd\ub418\uc9c0 \uc54a\uc744 \ub54c\uae4c\uc9c0 \ubc18\ubcf5\ud569\ub2c8\ub2e4. (\ub610\ub294 \ubc18\ubcf5 \ud68c\uc218\uc758 \uc81c\ud55c\uc744 \ub450\ub358\uc9c0.. \uc911\uc2ec\uc810\uc758 \ubcc0\uacbd\uc2dc \uc774\ub3d9 \uac70\ub9ac\uc5d0 \ub300\ud55c \uae30\uc900 \ub4f1\uc744 \ub9cc\uc871\ud560\ub54c\uae4c\uc9c0 \ubc18\ubcf5\ud560 \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4.) \ubc18\ubcf5\uc774 \uba48\ucd94\uac8c \ub418\uba74, \uc911\uc2ec\uc810\uacfc \uc774\ub4e4 \uc911\uc2ec\uc810\uacfc \uc5f0\uad00\ub41c \ud3ec\uc778\ud2b8 \uac04\uc758 \uac70\ub9ac\uc758 \ud569\uc774 \ucd5c\uc18c\uac00 \ub429\ub2c8\ub2e4. \uac04\ub2e8\uc774 \ub9d0\ud574, <img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.gisdeveloper.co.kr\/wp-content\/uploads\/2019\/05\/9eb53b4275a27231387b1ccb6afa3a1134890f89.png\" alt=\"\" width=\"143\" height=\"14\" class=\"alignnone size-full wp-image-7092\" \/>\uc640 <img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.gisdeveloper.co.kr\/wp-content\/uploads\/2019\/05\/ee8e6d64f935c4d580439d128fb0817e1aa73db3.png\" alt=\"\" width=\"151\" height=\"14\" class=\"alignnone size-full wp-image-7093\" \/> \uc0ac\uc774\uc758 \uac70\ub9ac\ud569\uc774 \ucd5c\uc18c\uc785\ub2c8\ub2e4.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.gisdeveloper.co.kr\/wp-content\/uploads\/2019\/05\/9b80d05ad90341c7c41b2a3da583f6c532465a9d.png\" alt=\"\" width=\"734\" height=\"50\" class=\"aligncenter size-full wp-image-7095\" \/><\/p>\n<p>\ucd5c\uc885 \uacb0\uacfc\ub294 \uc544\ub798\uc640 \uac19\uac8c \ub429\ub2c8\ub2e4.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.gisdeveloper.co.kr\/wp-content\/uploads\/2019\/05\/final_clusters.jpg\" alt=\"\" width=\"450\" height=\"353\" class=\"aligncenter size-full wp-image-7100\" \/><\/p>\n<p>\ubc14\ub85c \uc774\uac83\uc774 K-Means \ud074\ub7ec\uc2a4\ud130\ub9c1\uc5d0 \ub300\ud55c \uc9c1\uad00\uc801\uc778 \uc774\ud574\uc774\uba70, K-Means\uc758 \ucd5c\uc0c1\uc704 \uac1c\ub150\uc785\ub2c8\ub2e4. \uc5ec\uae30\uc5d0 \ub2e4\uc591\ud55c \ubcc0\uc885\uacfc \uc751\uc6a9\uc774 \ucd94\uac00\ub429\ub2c8\ub2e4. \uc608\ub97c\ub4e4\uc5b4 \ucd08\uae30 \uc911\uc2ec\uc810\uc744 \uc5b4\ub5bb\uac8c \uacb0\uc815\ud558\uc5ec \uc54c\uace0\ub9ac\uc998\uc758 \uc18d\ub3c4\ub97c \ud5a5\uc0c1\uc2dc\ud0ac\uae4c \ud558\ub294 \ub4f1\uc758 \uace0\ubbfc\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uc774 \uae00\uc758 \uc6d0\ubb38\uc740 https:\/\/opencv-python-tutroals.readthedocs.io\/en\/latest\/py_tutorials\/py_ml\/py_kmeans\/py_kmeans_understanding\/py_kmeans_understanding.html \uc785\ub2c8\ub2e4. \uc774 \uae00\uc740 K-Means \ud074\ub7ec\uc2a4\ud130\ub9c1\uc5d0 \ub300\ud55c \uac1c\ub150\uc744 \uc608\ub97c \ud1b5\ud574 \uc124\uba85\ud569\ub2c8\ub2e4. \ud2f0\uc154\uce20\ub97c \ub9cc\ub2e4\ub294 \uc5b4\ub5a4 \ud68c\uc0ac\uac00 \uc788\ub2e4\uace0 \ud569\uc2dc\ub2e4. \uc774 \ud68c\uc0ac\ub294 \uc0c8\ub85c\uc6b4 \ud2f0\uc154\uce20\ub97c \ub9cc\ub4e4\uc5b4 \uc2dc\uc7a5\uc5d0 \ubfcc\ub9ac\ub824\uace0 \ud569\ub2c8\ub2e4. \ubd84\uba85\uc774 \uc774 \ud68c\uc0ac\ub294 \ubaa8\ub4e0 \uc0ac\ub78c\ub4e4\uc774 \ub9cc\uc871\ud558\ub294 \ub2e4\uc591\ud55c \ud2f0\uc154\uce20 \uc0ac\uc774\uc988\ub97c \uc0dd\uc0b0\ud574\uc57c \ud569\ub2c8\ub2e4. \uadf8\ub798\uc11c \uc774 \ud68c\uc0ac\ub294 \uc0ac\ub78c\ub4e4\uc758 \ud0a4\uc640 \ubab8\ubb34\uac8c\uc758 \ub370\uc774\ud130\ub97c \uc218\uc9d1\ud574\uc11c \uc544\ub798\ucc98\ub7fc \uadf8\ub798\ud504\ub85c \ud45c\ud604 \ud588\uc2b5\ub2c8\ub2e4. \ud68c\uc0ac\ub294 \ubaa8\ub4e0 \uc0ac\uc774\uc988\uc5d0 \ub300\ud55c &hellip; <\/p>\n<p class=\"link-more\"><a href=\"http:\/\/www.gisdeveloper.co.kr\/?p=7079\" class=\"more-link\">\ub354 \ubcf4\uae30<span class=\"screen-reader-text\"> &#8220;Python\uacfc OpenCV \u2013 51 : K-Means \uad70\uc9d1\ud654(Clustering)\uc758 \uc774\ud574&#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-7079","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\/7079","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=7079"}],"version-history":[{"count":13,"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=\/wp\/v2\/posts\/7079\/revisions"}],"predecessor-version":[{"id":9405,"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=\/wp\/v2\/posts\/7079\/revisions\/9405"}],"wp:attachment":[{"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7079"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7079"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7079"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}