{"id":373802,"date":"2021-09-07T12:24:41","date_gmt":"2021-09-07T19:24:41","guid":{"rendered":"https:\/\/blog.webex.com\/uncategorized-ko\/%ec%97%94%ed%84%b0%ed%94%84%eb%9d%bc%ec%9d%b4%ec%a6%88%ea%b8%89-%eb%b9%84%eb%94%94%ec%98%a4-%ed%92%88%ec%a7%88%ec%97%90-%eb%8c%80%ed%95%9c-%ec%83%9d%ea%b0%81\/"},"modified":"2021-09-07T12:24:41","modified_gmt":"2021-09-07T19:24:41","slug":"%ec%97%94%ed%84%b0%ed%94%84%eb%9d%bc%ec%9d%b4%ec%a6%88%ea%b8%89-%eb%b9%84%eb%94%94%ec%98%a4-%ed%92%88%ec%a7%88%ec%97%90-%eb%8c%80%ed%95%9c-%ec%83%9d%ea%b0%81","status":"publish","type":"post","link":"https:\/\/blog.webex.com\/ko\/%ed%98%91%ec%97%85\/%ed%99%94%ec%83%81-%ed%9a%8c%ec%9d%98\/%ec%97%94%ed%84%b0%ed%94%84%eb%9d%bc%ec%9d%b4%ec%a6%88%ea%b8%89-%eb%b9%84%eb%94%94%ec%98%a4-%ed%92%88%ec%a7%88%ec%97%90-%eb%8c%80%ed%95%9c-%ec%83%9d%ea%b0%81\/","title":{"rendered":"\uc5d4\ud130\ud504\ub77c\uc774\uc988\uae09 \ube44\ub514\uc624 \ud488\uc9c8\uc5d0 \ub300\ud55c \uc0dd\uac01"},"content":{"rendered":"

\uc138\uacc4 \uc804\uc5ed\uc5d0\uc11c \uc9c1\uc6d0\ub4e4\uc774 \uc7ac\ud0dd\uadfc\ubb34\ub97c \uba48\ucd94\uace0 \uc0ac\ubb34\uc2e4\ub85c \ub3cc\uc544\uac00\uba74\uc11c ‘\ud558\uc774\ube0c\ub9ac\ub4dc’ \uc5c5\ubb34 \ubc29\uc2dd\uc774 \ube44\uc988\ub2c8\uc2a4 \uc6b4\uc601\uc758 \ub274\ub178\uba40\ub85c \ube60\ub974\uac8c \uc790\ub9ac \uc7a1\uace0 \uc788\uc2b5\ub2c8\ub2e4. \ud558\uc774\ube0c\ub9ac\ub4dc \uc5c5\ubb34\uac00 \uac00\ub2a5\ud558\ub824\uba74 \ud601\uc2e0\uc801\uc778 \ucd5c\uc2e0 \ucee8\ud37c\ub7f0\uc2a4 \uae30\uc220\uc744 \ud65c\uc6a9\ud558\uc5ec \uc5b4\ub514\uc5d0\uc11c\ub098 \uc5f0\uacb0\ud558\uace0 \ud611\uc5c5\ud560 \uc218 \uc788\uc5b4\uc57c \ud569\ub2c8\ub2e4. \ud32c\ub370\ubbf9\uc73c\ub85c \uc778\ud574 \uc7ac\ud0dd\uadfc\ubb34\uc640 \ubaa8\ubc14\uc77c \uc0ac\uc6a9\uc774 \ud06c\uac8c \uc99d\uac00\ud558\uba74\uc11c \ube44\ub514\uc624 \ud1b5\uc2e0\uc740 \uc0b6\uc758 \ud544\uc218 \uc870\uac74\uc774 \ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ud658\uacbd\uc740 \ub124\ud2b8\uc6cc\ud06c \ub300\uc5ed\ud3ed\uc758 \ubd80\uc871 \ub610\ub294 \uc7a6\uc740 \ubcc0\ud654, \uc5f4\uc545\ud55c \uc870\uba85\uacfc \uce74\uba54\ub77c, \ubc30\uacbd \uc18c\uc74c \ub4f1\uc73c\ub85c \uc778\ud574 \uace0\ud488\uc9c8 \ubbf8\ub514\uc5b4\ub97c \uc81c\uacf5\ud558\uae30\uac00 \uc5b4\ub824\uc6b4 \uac83\uc73c\ub85c \uc545\uba85\uc774 \ub192\uc2b5\ub2c8\ub2e4. \uc0ac\uc6a9\uc790 \uacbd\ud5d8\uc744 \uac1c\uc120\ud558\uae30 \uc704\ud55c \ud601\uc2e0\uc5d0\uc11c \uac00\uc7a5 \uc911\uc694\ud55c \uac83\uc740 \uacbd\ud5d8\uc744 \uce21\uc815\ud558\ub294 \uac83\uc785\ub2c8\ub2e4. \uc774 \uae00\uc5d0\uc11c\ub294 \uc2dc\uc2a4\ucf54\uac00 \ube44\ub514\uc624 \ud488\uc9c8 \uac1c\uc120\uc744 \uc704\ud574 \uc774\ub7ec\ud55c \ub2e4\uba74\uc801\uc778 \ubb38\uc81c\uc5d0 \uc5b4\ub5bb\uac8c \uc811\uadfc\ud558\ub294\uc9c0 \uc0b4\ud3b4\ubd05\ub2c8\ub2e4.<\/p>\n

\ube44\ub514\uc624 \ud488\uc9c8 \uce21\uc815\uc740 \ub9e4\uc6b0 \ubcf5\uc7a1\ud558\uace0 \ub2e4\uba74\uc801\uc778 \uacfc\uc81c<\/h2>\n

\ube44\ub514\uc624 \ud488\uc9c8 \uce21\uc815\uc774 \uc5b4\ub824\uc6b4 \uc774\uc720\ub294 \ubb34\uc5c7\uc77c\uae4c\uc694? \uc6b0\uc120 \ud488\uc9c8\uc744 \uc815\uc758\ud558\uae30\uac00 \uc5b4\ub835\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4. \ub208\uc73c\ub85c \ubd10\uc11c \ud488\uc9c8\uc774 \ub098\uc058\ub2e4\ub294 \uac83\uc744 \uc54c \uc218 \uc788\ub294 \uacbd\uc6b0\ub3c4 \uc788\uc9c0\ub9cc \ube44\ub514\uc624\uc758 \ud488\uc9c8 \ubd88\ub7c9\uc740 \uc5ec\ub7ec \uac00\uc9c0 \uce21\uba74\uc5d0\uc11c \ub098\ud0c0\ub0a0 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4 \uc601\uc0c1\uc774 \ud750\ub9ac\uace0 \ub04a\uae30\uac70\ub098 \uc7a1\uc74c\uc774 \uc788\uc744 \uc218 \uc788\uace0, \ud504\ub808\uc784\uc774 \uc815\uc9c0\ub418\uac70\ub098 \uc190\uc0c1\ub418\uac70\ub098 \uc2f1\ud06c\uac00 \uc548 \ub9de\uc744 \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4. \ub124\ud2b8\uc6cc\ud06c\ub294 \ubd88\uc548\uc815\ud558\uace0 CPU \uc0ac\uc6a9\ub7c9\uacfc \ube44\ub514\uc624 \ucf58\ud150\uce20\uc5d0 \ubcc0\ud654\uac00 \uc0dd\uae41\ub2c8\ub2e4. \uc774\uc5d0 \ub300\uc751\ud558\uae30 \uc704\ud574 Webex \uac19\uc740 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc740 \ud574\uc0c1\ub3c4\ub97c \ubcc0\uacbd\ud558\uace0, \ud504\ub808\uc784 \uc18d\ub3c4\ub97c \uc870\uc815\ud558\uace0, \ucd5c\uc885 \uc0ac\uc6a9\uc790 \ud074\ub77c\uc774\uc5b8\ud2b8\uc640 \ud611\uc5c5\ud558\uc5ec \ucd5c\uc801\uc758 \ub124\ud2b8\uc6cc\ud06c \uc804\ub7b5\uc744 \ud611\uc0c1\ud569\ub2c8\ub2e4. \ub2e4\uc2dc \ub9d0\ud574, \ud604\uc7ac\uc758 \uacbd\ud5d8 \uc790\uccb4\uac00 \ub04a\uc784\uc5c6\uc774 \ubcc0\ud654\ud558\ub294 \ubaa9\ud45c\uac00 \ub429\ub2c8\ub2e4. \uac1c\ubcc4 \ube44\ub514\uc624 \uad6c\uc131\uc694\uc18c\uc758 \ud488\uc9c8 \uce21\uc815\uc740 \ud558\ud5a5\uc2dd\uacfc \ub3d9\uc2dc\uc5d0 \uc0c1\ud5a5\uc2dd\uc73c\ub85c \uc774\ub8e8\uc5b4\uc9c0\ub294 \ud504\ub85c\uc138\uc2a4\uc785\ub2c8\ub2e4. \uc989 \ud558\ud5a5\uc2dd\uc73c\ub85c \ucd1d\uccb4\uc801 \uc0ac\uc6a9\uc790 \uacbd\ud5d8\uc744 \uce21\uc815\ud558\uace0, \uc0c1\ud5a5\uc2dd\uc73c\ub85c \ubaa8\ub4e0 \uad6c\uc131\uc694\uc18c\uc758 \uc131\ub2a5\uacfc \uae30\uc5ec\ub3c4\ub97c \uce21\uc815\ud569\ub2c8\ub2e4.<\/p>\n

\ud488\uc9c8 \ubc0f \ub124\ud2b8\uc6cc\ud06c \uc190\uc2e4<\/h2>\n

\ub124\ud2b8\uc6cc\ud06c \uc0c1\ud0dc\uac00 \uc88b\uc9c0 \uc54a\uc744 \ub54c \ud074\ub77c\uc774\uc5b8\ud2b8\uac00 \ubcf4\uc774\ub294 \ub3d9\uc791\uc774 \uc0ac\uc6a9\uc790 \uacbd\ud5d8\uc5d0\uc11c \uc911\uc694\ud55c \ubd80\ubd84\uc744 \ucc28\uc9c0\ud569\ub2c8\ub2e4. \ube44\ub514\uc624 \uc2a4\ud2b8\ub9bc\uc5d0\ub294 \uc774\uc804 \ud504\ub808\uc784\uc5d0\uc11c \uc608\uce21\ud55c \ub370\uc774\ud130\uac00 \ud3ec\ud568\ub418\uae30 \ub54c\ubb38\uc5d0 \ub370\uc774\ud130 \uc190\uc2e4\uc740 \uc218\uc2e0 \uce21 \uc624\ub958\ub85c \uc774\uc5b4\uc9d1\ub2c8\ub2e4. \ub2e4\ub978 \uc804\ub7b5\uc744 \ucc44\ud0dd\ud560 \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4. \ub370\uc774\ud130 \uacc4\uce35\uc5d0\uc11c \uc21c\ubc29\ud5a5 \uc624\ub958 \uc815\uc815\ubc95 \ub610\ub294 \uc7ac\uc804\uc1a1\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc624\ub958\ub97c \ucd5c\uc18c\ud55c\uc73c\ub85c \uc904\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc0c8\ub85c\uc6b4 \ud0a4 \ud504\ub808\uc784\uc73c\ub85c \ube44\ub514\uc624 \uc2a4\ud2b8\ub9bc\uc744 \ub2e4\uc2dc \uc2dc\uc791\ud560 \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4. \ub0a8\uc544 \uc788\ub294 \uc624\ub958\ub294 \uc2dc\uac04\uc801 \ub610\ub294 \uacf5\uac04\uc801 \uc740\ud3d0\ub97c \uc801\uc808\ud788 \uc870\ud569\ud574\uc11c \uc228\uaca8\uc57c \ud569\ub2c8\ub2e4. \uacf5\uac04\uc801 \uc740\ud3d0\ub294 \uc8fc\ubcc0 \ud53d\uc140\uc5d0\uc11c \uc815\ubcf4\ub97c \ube4c\ub824 \uc640\uc11c \uc190\uc2e4\ub41c \ub370\uc774\ud130\ub97c \uc7ac\uad6c\ucd95\ud558\ub294 \uac83\uc774\uace0, \uc2dc\uac04\uc801 \uc740\ud3d0\ub294 \uadfc\ucc98\uc758 \ube44\ub514\uc624 \ud504\ub808\uc784\uc5d0\uc11c \ub370\uc774\ud130\ub97c \ube4c\ub824\ub2e4\uac00 \uc190\uc2e4\ub41c \ud504\ub808\uc784\uc744 \ucc44\uc6b0\ub294 \uac83\uc785\ub2c8\ub2e4. \ub9c8\uc9c0\ub9c9\uc73c\ub85c, \ube44\ud2b8 \uc804\uc1a1\ub960\uacfc \ube44\ub514\uc624 \ud574\uc0c1\ub3c4\ub97c \ub0ae\ucdb0 \ub370\uc774\ud130 \uc804\uc1a1 \uc18d\ub3c4\ub97c \uc904\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uac01 \uae30\ubc95\uc740 \ube44\uc6a9\uc744 \uc904\uc77c \ubfd0\ub9cc \uc544\ub2c8\ub77c \uc774\uc810\ub3c4 \uc788\uc2b5\ub2c8\ub2e4. \uba54\ud2b8\ub9ad\uc758 \uad00\uc810\uc5d0\uc11c \ubcf4\uba74 \uad49\uc7a5\ud788 \uc5b4\ub824\uc6b4 \uc77c\uc785\ub2c8\ub2e4. \uc218\uc2e0\ub418\ub294 \ube44\ub514\uc624\uac00 \uc804\uc1a1\ub418\ub294 \ube44\ub514\uc624\uc640 \ub2ec\ub77c\uc9c0\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4. \ub2e4\uc591\ud55c \ubca4\ub354\uc5d0\uc11c \uc800\ub9c8\ub2e4 \ub2e4\ub978 \ucd5c\uc801\ud654 \uae30\ubc95\uc744 \uc0ac\uc6a9\ud558\uba70, \ub530\ub77c\uc11c \uac01 \ubca4\ub354\uc5d0\uc11c \ud45c\uc2dc\ud558\ub294 \ube44\ub514\uc624\uac00 \ub2ec\ub77c\uc9d1\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4 \uc120\uba85\ub3c4\ubcf4\ub2e4 \uc6c0\uc9c1\uc784\uc744 \uc120\ud638\ud558\ub294 \ubca4\ub354\uac00 \uc788\uace0 \uadf8 \ubc18\ub300\uc778 \ubca4\ub354\ub3c4 \uc788\uc73c\uba70 \uc7ac\uc804\uc1a1\uc744 \uc704\ud574 \ub300\uae30 \uc2dc\uac04\uc744 \ub298\ub9ac\ub294 \uacbd\uc6b0\ub3c4 \uc788\uc2b5\ub2c8\ub2e4. \ubca4\ub354\ub294 \ud488\uc9c8\uc744 \ucd5c\uc801\ud654\ud558\ub294 \ubc29\ubc95\uc744 \uacf5\uc720\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \ud68c\uc0ac\ub9c8\ub2e4 \ub3c5\uc810\uc801\uc778 \uad6c\ud604 \ubc29\uc2dd\uc774 \uc788\uace0 \uc774\uac83\uc774 ‘\uc601\uc5c5 \ube44\ubc00’\uc774\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4. \uc1a1\uc2e0 \uce21\uc5d0\uc11c \ucd5c\uc801\ud654\ud558\ub4e0, \uc804\uc1a1 \uc911\uc5d0 \ucd5c\uc801\ud654\ud558\ub4e0, \uc544\ub2c8\uba74 \uc218\uc2e0 \uce21\uc5d0\uc11c \ucd5c\uc801\ud654\ud558\ub4e0 \uac04\uc5d0 \ucd5c\uc885\uc801\uc778 \ube44\ub514\uc624\ub294 \uc18c\uc2a4\uc640 \ub2ec\ub77c\uc9d1\ub2c8\ub2e4. \ub9cc\uc5d0 \ud558\ub098 \uc190\uc2e4\uc774 \uc5c6\ub354\ub77c\ub3c4 \ub178\uc774\uc988 \uc81c\uac70, \ucd08\uace0\ud574\uc0c1\ub3c4 \uc801\uc6a9, \uc0ac\uc804 \ubc0f \uc0ac\ud6c4 \ud544\ud130\ub9c1 \ub4f1 \ud074\ub77c\uc774\uc5b8\ud2b8\uc758 \uc870\uc815\uc740 \ud544\uc694\ud558\uc9c0\ub9cc \uc774 \ubc29\ubc95 \uc5ed\uc2dc \ubca4\ub354\ub9c8\ub2e4 \ub2e4\ub985\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ubaa8\ub4e0 \uc694\uc778\uc73c\ub85c \uc778\ud574 \uc77c\ub300\uc77c\ub85c \ube44\uad50\ud558\uae30\uac00 \ub9e4\uc6b0 \uc5b4\ub835\uc2b5\ub2c8\ub2e4.<\/p>\n

FR(Full-Reference) \uba54\ud2b8\ub9ad\uacfc NR(No-Reference) \uba54\ud2b8\ub9ad<\/h2>\n

\uc774\ub7ec\ud55c \uc0c1\ud669\uc5d0\uc11c \uacfc\uc5f0 \ud488\uc9c8\uc744 \uce21\uc815\ud558\ub294 \uac83\uc774 \uac00\ub2a5\ud560\uae4c\uc694? \uc774\ub97c \uc54c\uc544\ubcf4\ub824\uba74 FR \uba54\ud2b8\ub9ad\uacfc NR \uba54\ud2b8\ub9ad\uc758 \ucc28\uc774\ub97c \uc774\ud574\ud574\uc57c \ud569\ub2c8\ub2e4. FR \uba54\ud2b8\ub9ad\uc5d0\uc11c\ub294 \ube44\ub514\uc624\ub97c \uc6d0\ubcf8\uacfc \ube44\uad50\ud569\ub2c8\ub2e4. \ub3d9\uc77c\ud55c \ud574\uc0c1\ub3c4, \ub3d9\uc77c\ud55c \ud504\ub808\uc784 \uc18d\ub3c4, \uac01 \uc785\ub825 \ud504\ub808\uc784\uc774 \ucd9c\ub825 \ud504\ub808\uc784\uacfc \uc77c\uce58\ud558\ub294\uc9c0 \ub4f1\uc744 \ud53d\uc140 \ub2e8\uc704\ub85c \ub9de\ucdb0 \ubd10\uc57c \ud569\ub2c8\ub2e4. \uc774 \ubc29\uc2dd\uc740 \ub2e8\uc77c \ud504\ub85c\uc138\uc2a4\ub97c \ud1b5\ud574 \uc798 \uc815\uc758\ub41c \uc785\ub825\uc774 \uc77c\uc815 \uc815\ub3c4 \uc190\uc2e4\ub420 \uac00\ub2a5\uc131\uc774 \uc788\ub294 \uacbd\uc6b0\uc5d0 \uac00\uc7a5 \uc720\uc6a9\ud558\uba70, \ubaa9\ud45c\ub294 \uc774 \uc190\uc2e4\uc744 \ucd5c\uc18c\ud654\ud558\ub294 \uac83\uc785\ub2c8\ub2e4.<\/p>\n

VMAF \u2013 FR \ud14c\uc2a4\ud2b8<\/h2>\n

PSNR, SSIM, MS-SSIM \ub4f1 \ub2e4\uc591\ud55c FR \uba54\ud2b8\ub9ad\uc774 \uc788\uc9c0\ub9cc \ud754\ud788 \ucd5c\ucca8\ub2e8 \ubc29\uc2dd\uc73c\ub85c \uc778\uc815\ubc1b\ub294 \uc778\uae30 \uba54\ud2b8\ub9ad\uc740 VMAF(Video Multimethod Assessment Fusion)\uc785\ub2c8\ub2e4. \uc774 FR \ud14c\uc2a4\ud2b8 \ubc29\ubc95\uc740 \ube44\ub514\uc624 \uc2a4\ud2b8\ub9ac\ubc0d \uc11c\ube44\uc2a4\uc5d0 \ub300\ud55c \ube44\ub514\uc624 \uc778\uc9c0 \ud488\uc9c8 \ud3c9\uac00\ub97c \uc704\ud574 \ub137\ud50c\ub9ad\uc2a4\uac00 \ud2b9\ubcc4\ud788 \uc124\uacc4\ud55c \uac83\uc785\ub2c8\ub2e4. VMAF(FR \uba54\ud2b8\ub9ad)\ub85c \ud488\uc9c8\uc744 \uce21\uc815\ud558\ub294 \uac83\uc740 \ub9e4\uc6b0 \uc5b4\ub835\uc2b5\ub2c8\ub2e4. \uc218\uc2e0\ub41c \ube44\ub514\uc624\uc640 \uc6d0\ubcf8 \ube44\ub514\uc624\uac00 \ud06c\uac8c \ub2e4\ub97c \uc218 \uc788\uc73c\uba70, \uc804\uc1a1\ub41c \ube44\ub514\uc624(\uc77c\ubd80)\uc640 \ud53d\uc140 \ub2e8\uc704\ub85c \ube44\uad50\ud558\uae30 \uc704\ud574 \ucd9c\ub825\uc744 \uc870\uc815\ud558\uace0, \uc798\ub77c\ub0b4\uace0, \ub3d9\uae30\ud654\ud574\uc57c \ud569\ub2c8\ub2e4. \ubca4\ub354 \ube44\uad50\uc5d0\uc11c \uc774 \ubc29\uc2dd\uc744 \uc2dc\ud5d8\ud574 \ubcf4\uc558\uc9c0\ub9cc, \uacbd\ud5d8\uc0c1 \ud544\uc694\ud55c \uc870\uc791\uc744 \ud560 \ub54c \uc624\ub958\uac00 \ubc1c\uc0dd\ud558\uae30 \uc27d\uc2b5\ub2c8\ub2e4. \uac8c\ub2e4\uac00 VMAF\ub294 \ucc28\uc774\uc810<\/em>\uc740 \uc798 \ucc3e\uc544\ub0b4\uc9c0\ub9cc \uc808\ub300\uc801\uc778 \ud488\uc9c8\uc744 \ud3ec\ucc29\ud558\uc9c0\ub294 \ubabb\ud569\ub2c8\ub2e4. \uc6b0\ub9ac\ub294 \ud68c\uc758\ub97c \uc704\ud574 \ub9ce\uc740 \ube44\uc6a9\uc744 \ub4e4\uc5ec \uc601\ud654 \uac19\uc740 \ube44\ub514\uc624\ub97c \uc81c\uc791\ud558\uc9c0\ub294 \uc54a\uc2b5\ub2c8\ub2e4. \ub179\ud654\ub41c \ube44\ub514\uc624\uc640 \uc218\uc2e0\ub41c \ube44\ub514\uc624\uc758 \ucc28\uc774\ubfd0 \uc544\ub2c8\ub77c \ube44\ub514\uc624 \ub179\ud654\ubcf8 \uc790\uccb4\uc758 \ud488\uc9c8\ub3c4 \uc0ac\uc6a9\uc790 \uacbd\ud5d8\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4. \ub9c8\uc9c0\ub9c9\uc73c\ub85c VMAF\ub294 \uacf5\uac04 \uc804\uc6a9 \uba54\ud2b8\ub9ad\uc73c\ub85c, \uc2dc\uac04\uc5d0 \ub530\ub978 \ud6a8\uacfc\ub97c \ud3ec\ucc29\ud558\uc9c0 \ubabb\ud558\uba70 \ub530\ub77c\uc11c VMAF\uc758 \ud3c9\uac00 \uc810\uc218\ub294 \ud504\ub808\uc784 \ub2e8\uc704\uc758 \uc810\uc218\ub97c \ud3c9\uade0\ub0b8 \uac83\uc5d0 \ubd88\uacfc\ud569\ub2c8\ub2e4.<\/p>\n

NIQE \u2013 NR \ud14c\uc2a4\ud2b8<\/h2>\n

\ucd5c\uadfc \uba87 \ub144\uac04 \ucc38\uc870 \uae30\uc900\uacfc \ube44\uad50\ud558\uc9c0 \uc54a\uace0 \uc808\ub300 \ud488\uc9c8\uc744 \uce21\uc815\ud558\ub294 NR \ube44\ub514\uc624 \ud488\uc9c8 \uba54\ud2b8\ub9ad\uc5d0 \ub300\ud55c \ub2e4\uc591\ud55c \uc5f0\uad6c\uac00 \uc9c4\ud589\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc801\uc808\ud558\uace0 \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 NR \uba54\ud2b8\ub9ad\uc744 \ucc3e\uc744 \uc218 \uc788\ub2e4\uba74 \ube44\ub514\uc624 \uc2a4\ud2b8\ub9bc\uc5d0 \uc870\uc815\uacfc \uc190\uc2e4\uc774 \ubc1c\uc0dd\ud558\ub294 \ud68c\uc758 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \uc774\uc0c1\uc801\uc77c \uac83\uc785\ub2c8\ub2e4. \ub110\ub9ac \uc0ac\uc6a9\ub418\ub294 NR \ud488\uc9c8 \uba54\ud2b8\ub9ad\uc740 NIQE(Naturalness Image Quality Evaluator)\uc785\ub2c8\ub2e4. NIQE\ub294 \uc774\ubbf8\uc9c0\uc5d0 \ud1b5\uacc4 \ubaa8\ub378\uc744 \ub9de\ucdb0 \ud1b5\uacc4\uac00 \uc790\uc5f0\uc801\uc778 \uc774\ubbf8\uc9c0 \ucf54\ud37c\uc2a4\ub97c \uc5bc\ub9c8\ub098 \uc815\ud655\ud788 \ub098\ud0c0\ub0b4\ub294\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4. NIQE\ub294 \uc18c\uc2a4 \uc774\ubbf8\uc9c0 \ud488\uc9c8, \uc190\uc2e4 \ubc0f \ube44\ub514\uc624 \ud30c\uc774\ud504\ub77c\uc778\uc744 \ub530\ub77c \uc774\ub8e8\uc5b4\uc9c0\ub294 \ucc98\ub9ac\uc640 \uad00\uacc4\uc5c6\uc774 \uc5b4\ub5a4 \uc0c1\ud669\uc5d0\uc11c\ub098 \ucd5c\uc885 \uc0ac\uc6a9\uc790\uc758 \ube44\ub514\uc624 \ud488\uc9c8\uc744 \ud3c9\uac00\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. NIQE \uac19\uc740 NR \uba54\ud2b8\ub9ad\uc73c\ub85c \uc18c\uc2a4 \ube44\ub514\uc624\uc640 \ub300\uc0c1 \ube44\ub514\uc624\ub97c \uac01\uac01 \ud3c9\uac00\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uadf8\ub7f0 \ub2e4\uc74c \ud3c9\uac00 \uc810\uc218\uc758 \ucc28\uc774\ub85c \ud488\uc9c8 \uc190\uc2e4\uc744 \ud30c\uc545\ud558\uc5ec \uc190\uc2e4 \ubcf5\uad6c \ubc0f \ube44\ub514\uc624 \ucd5c\uc801\ud654 \uae30\uc220\uc744 \ud3c9\uac00\ud569\ub2c8\ub2e4. \ub179\ud654\ub41c \ube44\ub514\uc624\uc758 \ud488\uc9c8\uc774 \ub0ae\uc744 \uc218 \uc788\uc73c\uba70, \uadf8 \uacbd\uc6b0 \ube44\ub514\uc624 \ucd5c\uc801\ud654\ub85c \ud488\uc9c8\uc744 \ud5a5\uc0c1\ud560 \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4. \uacbd\ud5d8\uc5d0 \ub530\ub974\uba74 NIQE\ub294 \uc2e0\ub8b0\uc131\uc774 \ub9e4\uc6b0 \ub192\uc9c0\ub9cc \uc5ec\uc804\ud788 \uba87 \uac00\uc9c0 \uc911\uc694\ud55c \ud2b9\uc9d5\uc740 \uac04\uacfc\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud2b9\ud788 \ud2b9\uc815 \uc2dc\uc810\uc758 \ud488\uc9c8\uc744 \ud30c\uc545\ud558\uc9c0 \ubabb\ud569\ub2c8\ub2e4.<\/p>\n

NIQE \ubcf4\uac15: \ucd94\uac00 \uba54\ud2b8\ub9ad<\/h2>\n

NIQE\uc5d0\ub294 \ubaa8\ub4e0 \ube44\ud2b8 \uc804\uc1a1\ub960\uc744 \ud55c \ud504\ub808\uc784\uc5d0 \ud560\ub2f9\ud558\uace0 \ub2e4\ub978 \uac83\uc740 \ubcf4\ub0b4\uc9c0 \uc54a\uc744 \uacbd\uc6b0 NIQE \uc810\uc218\uac00 \uad49\uc7a5\ud788 \ub192\uc544\uc9c8 \uc218 \uc788\ub2e4\ub294 \uc81c\uc57d\uc774 \uc788\uc2b5\ub2c8\ub2e4. \ube44\ub2e8 NR \uba54\ud2b8\ub9ad\ub9cc\uc758 \ubb38\uc81c\ub294 \uc544\ub2d9\ub2c8\ub2e4. \uc5b8\uae09\ud55c \ubc14\uc640 \uac19\uc774 VMAF\ub97c \uc0ac\uc6a9\ud560 \ub54c\ub3c4 \uc2e4\uc81c\ub85c \uc218\uc2e0\ub41c \ud504\ub808\uc784\uc744 \uadf8\uc5d0 \uc0c1\uc751\ud558\ub294 \ud504\ub808\uc784\uacfc\ub9cc \ube44\uad50\ud560 \uc218 \uc788\uae30 \ub54c\ubb38\uc5d0 \ub3d9\uc77c\ud55c \ubb38\uc81c\uac00 \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \ub530\ub77c\uc11c \uac00\uc7a5 \uba3c\uc800 \uace0\ub824\ud574\uc57c \ud560 \ucd94\uac00 \uba54\ud2b8\ub9ad\uc740 DFM(Drop Frame Metric)\uc785\ub2c8\ub2e4. \uc774 \uba54\ud2b8\ub9ad\uc740 \ud55c \uc2dc\ud000\uc2a4\uc5d0\uc11c \uc190\uc2e4\ub41c \ud504\ub808\uc784 \uc218\uc640 \uc624\ub958 \ubcf5\uad6c\uc5d0 \uc0ac\uc6a9\ub418\ub294 \ud0a4\ud504\ub808\uc784\uc758 \ubc1c\uc0dd\uc744 \uacc4\uc0b0\ud569\ub2c8\ub2e4. \ud0a4\ud504\ub808\uc784\uc744 \uc0ac\uc6a9\ud558\uba74 NIQE \ud3c9\uac00 \uc810\uc218\uc5d0\uc11c \uac70\uc9d3 \uc591\uc131\uc774 \ub098\uc62c \uc218 \uc788\uc73c\ubbc0\ub85c \uc774\ub7ec\ud55c \uc2dc\uac04\uc801 \uce21\uc815\uc744 \ud1b5\ud574 \uc815\ud655\ud55c \uacb0\uacfc\uc640 \uac70\uc9d3 \uc591\uc131 \uacb0\uacfc\ub97c \uad6c\ubcc4\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. NIQE\ub294 \uc774\ubbf8\uc9c0 \ud488\uc9c8\uc758 \uc5ec\ub7ec \uce21\uba74\uc744 \ud3ec\ucc29\ud558\uc9c0\ub9cc \uc77c\ubd80 \uc555\ucd95 \uc544\ud2f0\ud329\ud2b8\ub294 \ud3ec\ucc29\ud558\uc9c0 \ubabb\ud569\ub2c8\ub2e4. \ub530\ub77c\uc11c \ucc28\ub2e8 \uce21\uc815 \ubc0f \ube14\ub7ec \uce21\uc815\ub3c4 \ud3ec\ud568\ud574\uc57c \ud569\ub2c8\ub2e4. FR \uba54\ud2b8\ub9ad\uacfc NIQE \uba54\ud2b8\ub9ad \ubaa8\ub450 \uc778\ucf54\ub529\ub41c \ube44\ub514\uc624\uc5d0 \uacf5\ud1b5\uc801\uc73c\ub85c \ub098\ud0c0\ub098\ub294 \uc774\ub7ec\ud55c \uc694\uc18c\ub97c \ud574\uc11d\ud558\uc9c0 \ubabb\ud560 \uac00\ub2a5\uc131\uc774 \uc788\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4.<\/p>\n

\uc2dc\uc2a4\ucf54\uac00 \uc120\ud638\ud558\ub294 NR \ud14c\uc2a4\ud2b8<\/h2>\n

FR \uba54\ud2b8\ub9ad\uc740 \ud2b9\ud788 \uac1c\ubcc4 \ud30c\uc774\ud504\ub77c\uc778 \uc694\uc18c\ub97c \ud3c9\uac00\ud558\ub294 \ub370 \uc81c\uaca9\uc785\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc2dc\uc2a4\ucf54\ub294 \uc5d4\ub4dc \ud22c \uc5d4\ub4dc \ube44\ub514\uc624 \ud488\uc9c8\uc744 \uc815\ud655\ud558\uac8c \ud3c9\uac00\ud558\ub294 \uacbd\uc6b0 NR \uba54\ud2b8\ub9ad\uc774 \uc0ac\uc6a9\uc790 \ud658\uacbd\uc744 \uac00\uc7a5 \uc798 \ud3ec\ucc29\ud560 \uc218 \uc788\ub2e4\uace0 \ubbff\uc2b5\ub2c8\ub2e4. \uc778\uac04\uc758 \uc778\uc2dd\uc740 \ub9e4\uc6b0 \ubcf5\uc7a1\ud558\uace0 \uc124\uacc4\ub41c \uc885\ud569 \uba54\ud2b8\ub9ad\uc740 \uc0ac\uc6a9\ud558\uae30 \uc5b4\ub835\uc9c0\ub9cc, \ub2e4\uc74c \ub124 \uac00\uc9c0 \uba54\ud2b8\ub9ad\uc744 \ud568\uaed8 \ud65c\uc6a9\ud558\uba74 \ud488\uc9c8 \uacbd\ud5d8\uc758 \uc911\uc694\ud55c \ubd80\ubd84\uc744 \ud3ec\ucc29\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. NR(NIQE) | DFM | \ucc28\ub2e8 | \ube14\ub7ec \uc774\ub7ec\ud55c \uba54\ud2b8\ub9ad\uc744 \ud568\uaed8 \ud65c\uc6a9\ud558\uba74 \uc5ec\ub7ec \ucc28\uc6d0\uc5d0 \uac78\uccd0 \uc8fc\uad00\uc801\uc778 \ube44\ub514\uc624 \ud488\uc9c8\uc744 \uc555\ucd95\ud574\uc11c \uce21\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub4e4 \uba54\ud2b8\ub9ad\uc73c\ub85c \ucc98\uc74c\ubd80\ud130 \ub05d\uae4c\uc9c0 \ubc1c\uc0dd\ud558\ub294 \ud488\uc9c8 \uc190\uc2e4\uacfc \uc18c\uc2a4 \ud488\uc9c8 \uc790\uccb4\uc758 \uc601\ud5a5\uc744 \ubaa8\ub450 \ud30c\uc545\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud68c\uc758 \uc2dc\uc2a4\ud15c\uc5d0\uc11c\ub294 \uc885\uc885 \ub0ae\uc740 \ud488\uc9c8\uc758 \uc18c\uc2a4 \ucf58\ud150\uce20\ub3c4 \uc218\uc6a9\ud574\uc57c \ud558\uace0 \ub2e4\uc591\ud55c \ubc29\ubc95\uc73c\ub85c \ube44\ub514\uc624 \ud488\uc9c8\uc744 \uc804\uccb4\uc801\uc73c\ub85c \uac1c\uc120\ud558\uac70\ub098\u00a0\uc720\uc9c0\ud574\uc57c \ud569\ub2c8\ub2e4. \ub530\ub77c\uc11c FR \ud488\uc9c8 \uce21\uc815 \ubc29\ubc95\uc5d0 \uc758\uc874\ud558\uc5ec \ud488\uc9c8\uc744 \ud3c9\uac00\ud560 \uac83\uc774 \uc544\ub2c8\ub77c \uc774\ub7ec\ud55c \uc694\uc18c\ub97c \uac10\uc548\ud558\uc5ec \uc5d4\ub4dc \ud22c \uc5d4\ub4dc \uacbd\ud5d8\uc744 \uace0\ub824\ud574\uc57c \ud569\ub2c8\ub2e4. \uc2dc\uc2a4\ucf54\ub294 \ucd5c\uc885 \uc0ac\uc6a9\uc790 \uacbd\ud5d8\uc774 \ub354 \uc815\ud655\ud788 \ubc18\uc601\ub418\ub294 NR \uba54\ud2b8\ub9ad\uc744 \uc8fc\ub85c \uc0ac\uc6a9\ud558\uc5ec \uc5d4\ub4dc \ud22c \uc5d4\ub4dc \ud488\uc9c8\uc744 \uad00\ub9ac\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

\ud56d\uc0c1 \ube44\ub514\uc624 \ud488\uc9c8 \ubc0f \uc804\uccb4\uc801\uc778 \ud488\uc9c8\uc5d0 \ucd08\uc810\uc744 \ub9de\ucdb0 \ub178\ub825\ud558\ub294 \uc2dc\uc2a4\ucf54<\/h2>\n

\uc9c0\uae08\uae4c\uc9c0 \uc774\uc57c\uae30\ud55c \uba54\ud2b8\ub9ad\uc740 \uc644\ubcbd\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4 \uadf8\ub798\ud53d\/\ud569\uc131 \ucf58\ud150\uce20\uc758 \ud488\uc9c8\uc744 \ud310\ub2e8\ud558\ub294 \ub370 \uba87 \uac00\uc9c0 \uc81c\ud55c\uc774 \uc788\uc5b4 \uacc4\uc18d\ud574\uc11c \uc811\uadfc \ubc29\uc2dd\uc744 \uac1c\uc120\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \ube44\ub85d \ub354 \uc5b4\ub824\uc6b4 \uae38\uc774\ub77c \ud560\uc9c0\ub77c\ub3c4 NR \uba54\ud2b8\ub9ad\uc774 \ube44\ub514\uc624 \ud488\uc9c8\uc744 \ud3c9\uac00\ud558\ub294 \uac00\uc7a5 \uc88b\uc740 \ud504\ub808\uc784\uc6cc\ud06c\ub77c\uace0 \ud655\uc2e0\ud569\ub2c8\ub2e4. Webex App\uc758 \ucd5c\uc2e0 \ub9b4\ub9ac\uc2a4\uc5d0\uc11c\ub294 \ubaa8\ub4e0 \ubbf8\ub514\uc5b4 \ud488\uc9c8 \uba54\ud2b8\ub9ad\uc744 \ud06c\uac8c \uac1c\uc120\ud588\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uac1c\uc120 \uc0ac\ud56d\uc5d0\ub294 \ube44\ub514\uc624 \ud488\uc9c8, \uc624\ub514\uc624 \ud488\uc9c8, \ubc30\uacbd \ub178\uc774\uc988 \uc5b5\uc81c, CPU \uc0ac\uc6a9 \ubc0f \ud558\uc774\ube0c\ub9ac\ub4dc \uc5c5\ubb34 \ubc29\uc2dd\uc758 \ubcf4\ud3b8\ud654\ub97c \uc704\ud574 \uc124\uacc4\ub41c \ud601\uc2e0 \uae30\ub2a5\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4. \uc62c\ud574\ub294 \ud32c\ub370\ubbf9\uc5d0 \ub300\uc751\ud558\ub294 \uacfc\uc815\uc5d0\uc11c \ubaa8\ub4e0 \ubca4\ub354 \uc194\ub8e8\uc158\uc758 \ubbf8\ub514\uc5b4 \ud488\uc9c8\uc774 \ud06c\uac8c \ud5a5\uc0c1\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc2dc\uc2a4\ucf54\ub294 \uc9c0\uc18d\uc801\uc778 \ud14c\uc2a4\ud2b8\ub97c \ud1b5\ud574 Webex \uc571\uc774 \ub2e4\ub978 \uc5b4\ub5a4 \ubca4\ub354\ubcf4\ub2e4 \uc6b0\uc218\ud55c \ube44\ub514\uc624 \ud488\uc9c8, \ucd5c\uc18c\ud55c \uadf8\uc5d0 \ud544\uc801\ud558\ub294 \ud488\uc9c8\uc744 \uc81c\uacf5\ud558\ub294 \uac83\uc744 \ud655\uc778\ud588\uc2b5\ub2c8\ub2e4. \uc55e\uc73c\ub85c \uc774 \uc2dc\uc7a5\uc758 \uacbd\uc7c1\uc740 \ubbff\uc744 \uc218 \uc5c6\uc744 \ub9cc\ud07c \uce58\uc5f4\ud574\uc9c8 \uac83\uc774\uba70, \uc2dc\uc2a4\ucf54\ub294 \ubb34\uc5c7\ubcf4\ub2e4 \ud488\uc9c8\uacfc \uc131\ub2a5\uc5d0 \ucd08\uc810\uc744 \ub9de\ucdb0 \ub178\ub825\ud558\uba74\uc11c \ub04a\uc784\uc5c6\uc774 \uc804\uc9c4\ud560 \uac83\uc785\ub2c8\ub2e4.<\/p>\n

Webex Meetings\ub97c \uc774\uc6a9\ud55c \ud558\uc774\ube0c\ub9ac\ub4dc \uc5c5\ubb34 \ubc29\uc2dd \uc790\uc138\ud788 \uc54c\uc544\ubcf4\uae30<\/a><\/p><\/blockquote>\n

\uacf5\ub3d9 \uc800\uc790: \uc218\uc11d \uc5d4\uc9c0\ub2c8\uc5b4 Thomas Davies<\/strong> Thomas Davies<\/a>\ub294 Cisco CTG(Collaboration Technology Group)\uc758 \uc218\uc11d \uc5d4\uc9c0\ub2c8\uc5b4\uc785\ub2c8\ub2e4. Thomas\ub294 \uc704\uc131 \ub124\ud2b8\uc6cc\ud0b9, RF \ud1b5\uc2e0 \ubc0f \ubc29\uc1a1 \uc5c5\uacc4\uc5d0\uc11c \uc77c\ud588\uc9c0\ub9cc 20\ub144 \uc774\uc0c1\uc758 \uacbd\ub825 \ub300\ubd80\ubd84\uc744 \ube44\ub514\uc624 \ucc98\ub9ac \ubc0f \ube44\ub514\uc624 \uc555\ucd95(\ucf54\ub371) \ubd84\uc57c\uc5d0 \ubc14\ucce4\uc2b5\ub2c8\ub2e4. \uadf8\ub294 \uc2dc\uc2a4\ucf54\uc5d0\uc11c 10\ub144 \uc774\uc0c1 \uadfc\ubb34\ud558\uba70 \ucc28\uc138\ub300 \ud611\uc5c5 \uacbd\ud5d8\uc744 \uad6c\ucd95\ud558\uace0 HEVC(H.265) \ubc0f AV1 \uac19\uc740 \ube44\ub514\uc624 \uc555\ucd95 \ud45c\uc900\uc5d0 \uae30\uc5ec\ud574 \uc654\uc2b5\ub2c8\ub2e4. \ub610\ud55c Cisco Webex \uac19\uc740 \uc2e4\uc81c \uc81c\ud488\uc5d0 \uc774\ub7ec\ud55c \ud45c\uc900\uc744 \uad6c\ud604\ud558\ub294 \ub370 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud588\uc2b5\ub2c8\ub2e4. \uc790\uc138\ud788 \uc54c\uc544\ubcf4\uae30<\/strong> \ube44\ub514\uc624 \ud68c\uc758\ub97c \uc5b8\uc81c\ub098 \uc644\ubcbd\ud558\uac8c \uc124\uc815\ud558\ub294 \ubc29\ubc95<\/a> Webex\uc758 \uc0c8\ub85c\uc6b4 \uae30\ub2a5: 2021\ub144 9\uc6d4<\/a> \uac00\uc0c1 \ud68c\uc758 \ubc0f \uc774\ubca4\ud2b8 \ub3c4\uc911 \uc138\ubd80 \uc138\uc158\uc744 \ud65c\uc6a9\ud558\ub294 \ubaa8\ubc94 \uc0ac\ub840<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

\uc138\uacc4 \uc804\uc5ed\uc5d0\uc11c \uc9c1\uc6d0\ub4e4\uc774 \uc7ac\ud0dd\uadfc\ubb34\ub97c \uba48\ucd94\uace0 \uc0ac\ubb34\uc2e4\ub85c \ub3cc\uc544\uac00\uba74\uc11c ‘\ud558\uc774\ube0c\ub9ac\ub4dc’ \uc5c5\ubb34 \ubc29\uc2dd\uc774 \ube44\uc988\ub2c8\uc2a4 \uc6b4\uc601\uc758 \ub274\ub178\uba40\ub85c \ube60\ub974\uac8c \uc790\ub9ac \uc7a1\uace0 \uc788\uc2b5\ub2c8\ub2e4. \ud558\uc774\ube0c\ub9ac\ub4dc \uc5c5\ubb34\uac00 \uac00\ub2a5\ud558\ub824\uba74 […]<\/p>\n","protected":false},"author":5545,"featured_media":402101,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[8025,1499],"tags":[3851,512,4614,8317],"class_list":["post-373802","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-8025","category-1499","tag-collaboration-solutions","tag-screen-sharing","tag-4614","tag-8317"],"acf":[],"yoast_head":"\n\uc5d4\ud130\ud504\ub77c\uc774\uc988\uae09 \ube44\ub514\uc624 \ud488\uc9c8\uc5d0 \ub300\ud55c \uc0dd\uac01 | Webex Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blog.webex.com\/collaboration\/video-conferencing\/a-look-at-enterprise-video-quality\/\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" 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