{"id":2161,"date":"2025-04-27T09:01:03","date_gmt":"2025-04-27T00:01:03","guid":{"rendered":"https:\/\/blog.agentsoft.co.kr\/index.php\/2025\/04\/27\/2161\/"},"modified":"2025-04-27T09:01:03","modified_gmt":"2025-04-27T00:01:03","slug":"%ea%b9%80%ec%98%81%ed%8f%89%ec%83%9d%ea%b5%90%ec%9c%a1%ec%9b%90-%eb%a9%80%ed%8b%b0%eb%af%b8%eb%94%94%ec%96%b4%ea%b0%9c%eb%a1%a0-a%ea%b3%bc%ec%a0%9c%ec%a0%90%ec%88%98-100%ec%a0%90","status":"publish","type":"post","link":"https:\/\/blog.agentsoft.co.kr\/index.php\/2025\/04\/27\/2161\/","title":{"rendered":"[\uae40\uc601\ud3c9\uc0dd\uad50\uc721\uc6d0] \uba40\ud2f0\ubbf8\ub514\uc5b4\uac1c\ub860 A+\uacfc\uc81c(\uc810\uc218 100\uc810)"},"content":{"rendered":"

<\/p>\n

\ubaa9\ucc28<\/strong><\/p>\n

\u2160. \uc11c\ub860
\n 1. jpeg\uc774\ubbf8\uc9c0 \uc555\ucd95 \uacfc\uc815 <\/p>\n

\u2161. \ubcf8\ub860
\n 1. \uc0c9\uc0c1\ubcc0\ud658\uc744 \ud558\ub294 \uc774\uc720
\n 2. \uc0d8\ud50c\ub9c1\uc744 \ud558\ub294 \uc774\uc720
\n 3. DCT\ubcc0\ud658\uc744 \ud558\ub294 \uc774\uc720
\n 4. \uc591\uc790\ud654\ub97c \ud558\ub294 \uc774\uc720
\n 5. \ubd80\ud638\ud654 \uc124\uba85<\/p>\n

\u2162. \uacb0\ub860
\n 1. \uc2dc\uc0ac\uc810 \ubc0f \uc758\uacac<\/p>\n

\u2163. \ucc38\uace0\ubb38\ud5cc \ubc0f \ubd80\ub85d
\n 1. \ucc38\uc870<\/p>\n

\ubcf8\ubb38\ub0b4\uc6a9<\/strong><\/p>\n

\u2160. \uc11c\ub860
\n 1. jpeg\uc774\ubbf8\uc9c0 \uc555\ucd95 \uacfc\uc815
\nJPEG(\uc870\uc778\ud2b8 \ud3ec\ud1a0\uadf8\ub798\ud53d\uc2a4 \uc775\uc2a4\ud37c\uce20 \uadf8\ub8f9) \uc774\ubbf8\uc9c0 \uc555\ucd95 \uacfc\uc815\uc740 \uc774\ubbf8\uc9c0 \ud30c\uc77c\uc744 \uc555\ucd95\ud558\uc5ec \uc800\uc7a5\ud560 \ub54c \uc0ac\uc6a9\ub418\uba70, \uc774\ubbf8\uc9c0\uc758 \ud06c\uae30\ub97c \uc904\uc774\uba74\uc11c\ub3c4 \ud488\uc9c8\uc744 \uc5b4\ub290\uc815\ub3c4 \uc218\uc900\uc73c\ub85c \uc720\uc9c0\ud55c\ub2e4. \uc774\ub7ec\ud55c \uacfc\uc815\uc740 \uc544\ub798\uc640 \uac19\uc774 5\ub2e8\uacc4\ub85c \ubd84\ub958\ud560 \uc218 \uc788\ub2e4. \ubcf8\ub860\uc5d0\ub294 \uac01 \ub2e8\uacc4\ub4e4\uc5d0 \ub300\ud55c \uc124\uba85\uacfc \uac01\uac01\uc758 \uc774\uc720\ub97c \uae30\uc7ac\ud560 \uac83\uc774\ub2e4.<\/p>\n

\u2161. \ubcf8\ub860
\n 1. \uc0c9\uc0c1\ubcc0\ud658\uc744 \ud558\ub294 \uc774\uc720
\n\uc0c9\uc0c1 \ubcc0\ud658 (Color Transformation):
\n\uc124\uba85: JPEG \uc555\ucd95 \uacfc\uc815\uc758 \uccab \ubc88\uc9f8 \ub2e8\uacc4\ub294 RGB (\ube68\uac15, \ub179\uc0c9, \ud30c\ub791) \uc0c9\uc0c1 \ubaa8\ub378\uc744 YCbCr(\ubc1d\uae30, \uc0c9\uc0c1 \ucc28\uc774 \uc2e0\ud638)\ub85c \ubcc0\ud658\ud558\ub294 \uac83\uc774\ub2e4. \uc6b0\uc120 \uc774\ubbf8\uc9c0\ub97c \uc791\uc740 \ube14\ub85d\uc73c\ub85c \ub098\ub220\uc900\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c 8×8 \ub610\ub294 16×16 \ud06c\uae30\uc758 \ube14\ub85d\uc774 \uc0ac\uc6a9\ub41c\ub2e4. \uc774 \ubcc0\ud658 \uacfc\uc815\uc740 \uc774\ubbf8\uc9c0\uc758 \ubc1d\uae30 \uc815\ubcf4\uc640 \uc0c9\uc0c1 \uc815\ubcf4\ub97c \ubd84\ub9ac\ud558\ub294 \uac83\uc774\ub2e4. \uc0c9\uc0c1 \uc815\ubcf4\ub294 \ub0ae\uc740 \uc815\ud655\uc131\uc73c\ub85c, \ubc1d\uae30 \uc815\ubcf4\ub294 \ub354 \ub192\uc740 \uc815\ud655\uc131\uc73c\ub85c \ud45c\ud604\ub41c\ub2e4.
\n\uc774\uc720: \uc0c9 \uacf5\uac04\uc744 YCbCr \ubc29\uc2dd\uc73c\ub85c \uce58\ud658\ud558\ub294 \uac83\uc740 1\ucc28\uc801 \uc555\ucd95\uc744 \uc704\ud574\uc11c\uc774\ub2e4.
\n\uc0c9\ubcf4\ub2e4 \uc778\uac04\uc758 \ub208\uc774 \ubc1d\uae30\uc5d0 \ub354\uc6b1 \uc608\ubbfc\ud558\ub2e4. \uadf8\ub7ec\ubbc0\ub85c \ubc1d\uae30 \uc815\ubcf4\ub97c \uc9c0\ub2cc Y \uc131\ubd84\ub9cc \ubcf4\uc874\ud558\uace0, \uc0c9\uc0c1 \uc815\ubcf4\ub97c \uc9c0\ub2cc Cb\u00b7Cr \uc131\ubd84\uc744 \uac10\uc18c\uc2dc\ucf1c \uc555\ucd95 \uc791\uc5c5\uc744 \ud558\ub294 \uac83\uc774\ub2e4.
\n\uc774\ub7ec\ud55c \uc791\uc5c5\uc744 \ud06c\ub85c\ub9c8 \uc11c\ube0c\uc0d8\ud50c\ub9c1 \ud639\uc740 \ub2e4\uc6b4\uc0d8\ud50c\ub9c1\uc774\ub77c\uace0 \ud55c\ub2e4.<\/p>\n

\ucd9c\ucc98 : \ud574\ud53c\ucea0\ud37c\uc2a4<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

\ubaa9\ucc28 \u2160. \uc11c\ub860 1. jpeg\uc774\ubbf8\uc9c0 \uc555\ucd95 \uacfc\uc815 \u2161. \ubcf8\ub860 1. \uc0c9\uc0c1\ubcc0\ud658\uc744 \ud558\ub294 \uc774\uc720 2. \uc0d8\ud50c\ub9c1\uc744 \ud558\ub294 \uc774\uc720 3. DCT\ubcc0\ud658\uc744 \ud558\ub294 \uc774\uc720 4. \uc591\uc790\ud654\ub97c \ud558\ub294 \uc774\uc720 5. \ubd80\ud638\ud654 \uc124\uba85 \u2162. \uacb0\ub860 1. \uc2dc\uc0ac\uc810 \ubc0f \uc758\uacac \u2163. \ucc38\uace0\ubb38\ud5cc \ubc0f \ubd80\ub85d 1. \ucc38\uc870 \ubcf8\ubb38\ub0b4\uc6a9 \u2160. \uc11c\ub860 1. jpeg\uc774\ubbf8\uc9c0 \uc555\ucd95 \uacfc\uc815 JPEG(\uc870\uc778\ud2b8 \ud3ec\ud1a0\uadf8\ub798\ud53d\uc2a4 \uc775\uc2a4\ud37c\uce20 \uadf8\ub8f9) \uc774\ubbf8\uc9c0 \uc555\ucd95 \uacfc\uc815\uc740 \uc774\ubbf8\uc9c0 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[4027,4029,4028,1084],"class_list":["post-2161","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-4027","tag-a4-5","tag-4028","tag-1084"],"_links":{"self":[{"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/posts\/2161","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/comments?post=2161"}],"version-history":[{"count":0,"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/posts\/2161\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/media?parent=2161"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/categories?post=2161"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/tags?post=2161"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}