YOLO(You Only Look Once)\ub294 \uac1d\uccb4 \ud0d0\uc9c0 \ubd84\uc57c\uc5d0\uc11c \ub9e4\uc6b0 \uc778\uae30 \uc788\ub294 \uc54c\uace0\ub9ac\uc998\uc73c\ub85c, \uadf8 \uc2e0\uc18d\ud55c \ucd94\ub860 \uc18d\ub3c4\uc640 \uc0c1\ub2f9\ud55c \uc815\ud655\ub3c4\ub85c \ub9ce\uc740 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c \ud65c\uc6a9\ub418\uace0 \uc788\uc2b5\ub2c8\ub2e4. \ud558\uc9c0\ub9cc YOLO\uc758 \uc131\ub2a5\uc744 \ucd5c\uc801\ud654\ud558\uace0, \uc798\ubabb\ub41c \uc608\uce21 \ubc0f \ub204\ub77d\ub41c \uc608\uce21\uc758 \uc6d0\uc778\uc744 \ubd84\uc11d\ud558\ub294 \uac83\uc740 \uc694\uc998 \uac19\uc740 \ub370\uc774\ud130 \uae30\ubc18\uc758 \uc138\uc0c1\uc5d0\uc11c \ub9e4\uc6b0 \uc911\uc694\ud55c \uacfc\uc81c\uc785\ub2c8\ub2e4. \uc774 \uae00\uc5d0\uc11c\ub294 YOLO\uc758 \uc131\ub2a5 \ud3c9\uac00 \ubc29\ubc95, \uac1c\uc120 \uc804\ub7b5 \uadf8\ub9ac\uace0 \uc798\ubabb\ub41c \uc608\uce21\uacfc \ub204\ub77d\ub41c \uc608\uce21\uc758 \uc6d0\uc778\uc744 \ub2e4\ub8f0 \uac83\uc785\ub2c8\ub2e4.<\/p>\n
YOLO\uc758 \uc131\ub2a5\uc744 \ud3c9\uac00\ud558\uae30 \uc704\ud574\uc11c\ub294 \ub2e4\uc591\ud55c \uc9c0\ud45c\uac00 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \ub300\ud45c\uc801\uc73c\ub85c\ub294 Precision, Recall, F1 Score, \uadf8\ub9ac\uace0 mAP(Mean Average Precision) \ub4f1\uc774 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
Precision\uacfc Recall\uc740 \uac1d\uccb4 \ud0d0\uc9c0\uc758 \uc131\ub2a5\uc744 \ud3c9\uac00\ud558\ub294 \uae30\ubcf8\uc801\uc778 \uc9c0\ud45c\uc785\ub2c8\ub2e4.<\/p>\n
\uc774 \ub450 \uac00\uc9c0 \uc9c0\ud45c\ub294 \uc11c\ub85c \uc0c1\ubc18\ub41c \uc131\uaca9\uc744 \uac00\uc9c0\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c\ub294 Precision\uacfc Recall\uc758 \uc870\ud654\ub97c \uc774\ub8e8\ub294 F1 Score\ub97c \uc0ac\uc6a9\ud558\ub294 \uac83\uc774 \uc88b\uc2b5\ub2c8\ub2e4.<\/p>\n
F1 Score\ub294 Precision\uacfc Recall\uc758 \uc870\ud654 \ud3c9\uade0\uc73c\ub85c, \ub450 \uc9c0\ud45c\uc758 \uade0\ud615\uc744 \ud3c9\uac00\ud569\ub2c8\ub2e4. F1 Score\ub294 \ub2e4\uc74c\uacfc \uac19\uc774 \uacc4\uc0b0\ub429\ub2c8\ub2e4.<\/p>\n
F1 Score = 2 * (Precision * Recall) \/ (Precision + Recall)<\/code><\/pre>\n1.3 mAP(Mean Average Precision)<\/h3>\n
mAP\ub294 \uc5ec\ub7ec \ud074\ub798\uc2a4\uc5d0 \uac78\uccd0 \ubaa8\ub378\uc758 \ud3c9\uade0 Precision\uc744 \ud3c9\uac00\ud569\ub2c8\ub2e4. \uac01 \ud074\ub798\uc2a4\uc5d0 \ub300\ud574 AP(Average Precision)\ub97c \uacc4\uc0b0\ud55c \ud6c4, \uc804\uccb4 \ud074\ub798\uc2a4\uc5d0 \ub300\ud55c \ud3c9\uade0\uc744 \ub0b4\uc5b4 mAP\ub97c \uad6c\ud569\ub2c8\ub2e4. \uc774\ub294 \ub2e4\uc911 \ud074\ub798\uc2a4 \ubb38\uc81c\uc5d0\uc11c \ub9e4\uc6b0 \uc720\uc6a9\ud55c \uc9c0\ud45c\uc785\ub2c8\ub2e4.<\/p>\n
2. YOLO \uc131\ub2a5 \uac1c\uc120 \ubc29\ubc95<\/h2>\n
YOLO\uc758 \uc131\ub2a5\uc740 \uc5ec\ub7ec \uc694\uc18c\uc5d0 \uc758\ud574 \uc601\ud5a5\uc744 \ubc1b\uc2b5\ub2c8\ub2e4. \uc5ec\uae30\uc11c\ub294 \uc131\ub2a5\uc744 \uac1c\uc120\ud558\uae30 \uc704\ud55c \uba87 \uac00\uc9c0 \ubc29\ubc95\uc744 \uc81c\uc2dc\ud569\ub2c8\ub2e4.<\/p>\n
2.1 \ub370\uc774\ud130 \uc218\uc9d1 \ubc0f \uc804\ucc98\ub9ac<\/h3>\n
\ubaa8\ub378\uc758 \uc131\ub2a5\uc744 \ub192\uc774\uae30 \uc704\ud574 \uac00\uc7a5 \uae30\ubcf8\uc774 \ub418\ub294 \uac83\uc740 \ub370\uc774\ud130\uc785\ub2c8\ub2e4. \ub2e4\uc591\ud55c \ud658\uacbd\uacfc \uc870\uac74\uc5d0\uc11c \uc218\uc9d1\ud55c \ub370\uc774\ud130\uc14b\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \ub0a0\uc528, \uc870\uba85 \uc0c1\ud0dc, \uac1d\uccb4\uc758 \ud06c\uae30 \ubc0f \uac01\ub3c4 \ub4f1\uc774 \ub2e4\uc591\ud574\uc838\uc57c \ud569\ub2c8\ub2e4.<\/p>\n
2.2 \ub370\uc774\ud130 \uc99d\uac15<\/h3>\n
\ub370\uc774\ud130 \uc99d\uac15\uc740 \uae30\uc874\uc758 \uc774\ubbf8\uc9c0\ub97c \uae30\ubc18\uc73c\ub85c \ub2e4\uc591\ud55c \ubcc0\ud615\uc744 \uc0dd\uc131\ud558\uc5ec \ub370\uc774\ud130\uc758 \ub2e4\uc591\uc131\uc744 \ub192\uc774\ub294 \uae30\ubc95\uc785\ub2c8\ub2e4. \ub300\ud45c\uc801\uc778 \uc99d\uac15 \uae30\ubc95\uc740 \ud68c\uc804, \ud06c\uae30 \uc870\uc815, \ub79c\ub364 \uc790\ub974\uae30, \uc0c9\uc0c1 \ubcc0\ud658 \ub4f1\uc774 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc99d\uac15 \uae30\ubc95\uc740 \ubaa8\ub378\uc774 \ub354 \ub9ce\uc740 \uc0c1\ud669\uc744 \ud559\uc2b5\ud558\uac8c \ub3c4\uc640\uc90d\ub2c8\ub2e4.<\/p>\n
2.3 \ud558\uc774\ud37c\ud30c\ub77c\ubbf8\ud130 \ud29c\ub2dd<\/h3>\n
YOLO \ubaa8\ub378\uc758 \ud558\uc774\ud37c\ud30c\ub77c\ubbf8\ud130(\uc608: learning rate, batch size, epoch \uc218 \ub4f1)\ub97c \uc870\uc815\ud558\ub294 \uac83\uc740 \uc131\ub2a5 \uac1c\uc120\uc5d0 \ud6a8\uacfc\uc801\uc785\ub2c8\ub2e4. Grid Search \ub610\ub294 Random Search\uc640 \uac19\uc740 \uae30\ubc95\uc744 \ud1b5\ud574 \ucd5c\uc801\uc758 \ud558\uc774\ud37c\ud30c\ub77c\ubbf8\ud130\ub97c \ucc3e\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
2.4 \ubaa8\ub378 \ud06c\uae30 \uc870\uc815<\/h3>\n
YOLO\uc758 \ubc84\uc804 \uc911 YOLOv3, YOLOv4, YOLOv5 \ub4f1\uc774 \uc788\uc73c\uba70, \uac01\uac01\uc758 \ubaa8\ub378\uc740 \uc131\ub2a5\uacfc \uc18d\ub3c4 \uac04\uc758 \ud2b8\ub808\uc774\ub4dc\uc624\ud504\uac00 \uc874\uc7ac\ud569\ub2c8\ub2e4. \ubaa8\ub378\uc758 \ud06c\uae30\ub97c \uc870\uc815\ud558\uac70\ub098 \ucd5c\uc2e0 \ubaa8\ub378\ub85c \uad50\uccb4\ud558\ub294 \uac83\ub3c4 \uc88b\uc740 \ubc29\ubc95\uc785\ub2c8\ub2e4.<\/p>\n
2.5 \ud6c8\ub828 \uc804\ub7b5 \uc870\uc815<\/h3>\n
\ud478\ub294 \ud6c8\ub828 \uc804\ub7b5\uc740 YOLO \uc131\ub2a5\uc744 \uac1c\uc120\ud558\ub294 \ub370 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \ub2e4\uc591\ud55c \uc190\uc2e4 \ud568\uc218\ub97c \uc801\uc6a9\ud558\uac70\ub098, \uc804\uc774 \ud559\uc2b5(transfer learning)\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc0ac\uc804 \ud6c8\ub828\ub41c \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c \uc2dc\uc791\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
3. \uc798\ubabb\ub41c \uc608\uce21\uacfc \ub204\ub77d\ub41c \uc608\uce21\uc758 \uc6d0\uc778 \ubd84\uc11d<\/h2>\n
YOLO \ubaa8\ub378\uc758 \uc798\ubabb\ub41c \uc608\uce21\uacfc \ub204\ub77d\ub41c \uc608\uce21\uc744 \uc774\ud574\ud558\ub294 \uac83\uc740 \uc131\ub2a5\uc744 \uac1c\uc120\ud558\ub294 \ub370 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. \uc774 \uc139\uc158\uc5d0\uc11c\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \ubc1c\uc0dd\ud558\ub294 \uc6d0\uc778\ub4e4\uc744 \ub2e4\ub904\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n
3.1 \uc798\ubabb\ub41c \uc608\uce21\uc758 \uc6d0\uc778<\/h3>\n\n- \ubd88\uc644\uc804\ud55c \ub370\uc774\ud130\uc14b<\/strong>: \ud6c8\ub828 \ub370\uc774\ud130\uc5d0 \uc5c6\ub294 \ud074\ub798\uc2a4\uc758 \uac1d\uccb4\uac00 \ub4f1\uc7a5\ud560 \uacbd\uc6b0, \ubaa8\ub378\uc740 \uc774 \uac1d\uccb4\ub97c \uc798\ubabb \uc608\uce21\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c \ub2e4\uc591\ud55c \uac1d\uccb4\ub97c \ud3ec\ud568\ud55c \ub370\uc774\ud130\uc14b\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/li>\n
- \uacfc\uc801\ud569<\/strong>: \ubaa8\ub378\uc774 \ud6c8\ub828 \ub370\uc774\ud130\uc5d0 \ub108\ubb34 \ub9ce\uc740 \ud30c\ub77c\ubbf8\ud130\ub97c \ud559\uc2b5\ud558\uac8c \ub418\uba74, \uc0c8\ub85c\uc6b4 \ub370\uc774\ud130\uc5d0 \ub300\ud574 \uc798\ubabb\ub41c \uc608\uce21\uc744 \ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub97c \ubc29\uc9c0\ud558\uae30 \uc704\ud574 \uc815\uaddc\ud654 \uae30\ubc95\uc744 \uc0ac\uc6a9\ud574\uc57c \ud569\ub2c8\ub2e4.<\/li>\n
- \uc798\ubabb\ub41c \ub808\uc774\ube14\ub9c1<\/strong>: \ud6c8\ub828 \ub370\uc774\ud130\uc5d0 \uc798\ubabb\ub41c \ub808\uc774\ube14\uc774 \ubd99\uc5b4 \uc788\ub2e4\uba74, \ubaa8\ub378\uc774 \uc798\ubabb\ub41c \uc9c0\uc2dd\uc744 \ud559\uc2b5\ud558\uac8c \ub429\ub2c8\ub2e4. \ub530\ub77c\uc11c \ub370\uc774\ud130 \ub808\uc774\ube14\ub9c1\uc744 \uc5c4\uaca9\ud788 \uac80\ud1a0\ud574\uc57c \ud569\ub2c8\ub2e4.<\/li>\n
- \ucd5c\uc801\ud654 \ubb38\uc81c<\/strong>: \uc190\uc2e4 \ud568\uc218\uc758 \uc124\uacc4\uac00 \uc801\uc808\ud558\uc9c0 \uc54a\uac70\ub098, \ucd5c\uc801\ud654 \uc54c\uace0\ub9ac\uc998\uc774 \uc798\ubabb \uc124\uc815\ub418\uba74 \ubaa8\ub378 \uc131\ub2a5\uc774 \ub5a8\uc5b4\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n
3.2 \ub204\ub77d\ub41c \uc608\uce21\uc758 \uc6d0\uc778<\/h3>\n\n- \uc791\uc740 \uac1d\uccb4<\/strong>: \uc774\ubbf8\uc9c0\uc5d0\uc11c \uac1d\uccb4\uac00 \ub108\ubb34 \uc791\uac70\ub098 \ud76c\ubbf8\ud55c \uacbd\uc6b0, YOLO\ub294 \uc774\ub97c \ud0d0\uc9c0\ud558\uc9c0 \ubabb\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uacbd\uc6b0, \uc774\ubbf8\uc9c0 \ud574\uc0c1\ub3c4\ub97c \ub192\uc774\uac70\ub098 \ub2e4\uc591\ud55c \ud06c\uae30\uc758 \uac1d\uccb4\ub97c \ud3ec\ud568\ud55c \ud559\uc2b5 \ub370\uc774\ud130\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/li>\n
- \ubcf5\uc7a1\ud55c \ubc30\uacbd<\/strong>: \uac1d\uccb4\uac00 \ubcf5\uc7a1\ud55c \ubc30\uacbd\uc5d0 \uc788\uc744 \uacbd\uc6b0, \ud0d0\uc9c0\uac00 \uc5b4\ub824\uc6b8 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub370\uc774\ud130 \uc99d\uac15\uc744 \ud1b5\ud574 \ub2e4\uc591\ud55c \ubc30\uacbd\uc744 \ud3ec\ud568\uc2dc\ucf1c \ud559\uc2b5\ud574\uc57c \ud569\ub2c8\ub2e4.<\/li>\n
- \ud074\ub798\uc2a4 \uac04 \ud63c\ub3d9<\/strong>: \uc5ec\ub7ec \uac1c\uc758 \uc720\uc0ac\ud55c \ud074\ub798\uc2a4\uac00 \uc788\uc744 \uacbd\uc6b0, \ubaa8\ub378\uc740 \uc798\ubabb\ub41c \ud074\ub798\uc2a4\ub97c \uc608\uce21\ud558\uac70\ub098 \ud0d0\uc9c0\ud558\uc9c0 \ubabb\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uacbd\uc6b0, \ubcf4\ub2e4 \uba85\ud655\ud55c \ub808\uc774\ube14\ub9c1\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/li>\n
- \ubd80\uc815\ud655\ud55c \uc575\ucee4 \ubc15\uc2a4<\/strong>: YOLO\ub294 \uc575\ucee4 \ubc15\uc2a4\ub97c \uc0ac\uc6a9\ud558\uc5ec \uac1d\uccb4\uc758 \uc704\uce58\ub97c \uc815\ud569\ub2c8\ub2e4. \uc801\uc808\ud55c \ud06c\uae30\uc758 \uc575\ucee4 \ubc15\uc2a4\ub97c \uc120\ud0dd\ud558\uc9c0 \uc54a\uc73c\uba74 \ub204\ub77d\ub41c \uc608\uce21\uc774 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n
4. \uacb0\ub860<\/h2>\n
YOLO \ubaa8\ub378\uc758 \uc131\ub2a5\uc744 \ud3c9\uac00\ud558\uace0 \uac1c\uc120\ud558\ub294 \uac83\uc740 \uc9c0\uc18d\uc801\uc778 \uacfc\uc81c\uc785\ub2c8\ub2e4. \ub370\uc774\ud130\uc758 \ud488\uc9c8, \ud558\uc774\ud37c\ud30c\ub77c\ubbf8\ud130 \ud29c\ub2dd, \ubaa8\ub378 \uad6c\uc870 \uac1c\uc120 \ub4f1 \ub2e4\uc591\ud55c \uc694\uc18c\uac00 \uc131\ub2a5\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce58\uae30 \ub54c\ubb38\uc5d0, \uc2e0\uc911\ud55c \uc811\uadfc\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. \uc798\ubabb\ub41c \uc608\uce21\uacfc \ub204\ub77d\ub41c \uc608\uce21\uc744 \uc6d0\uc778\uc744 \ubd84\uc11d\ud568\uc73c\ub85c\uc368, \ubcf4\ub2e4 robust\ud55c \uac1d\uccb4 \ud0d0\uc9c0 \uc2dc\uc2a4\ud15c\uc744 \uad6c\ucd95\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
\uc774 \uae00\uc774 \uc5ec\ub7ec\ubd84\uc758 YOLO \uac1c\ubc1c \ubc0f \ucd5c\uc801\ud654\uc5d0 \ub3c4\uc6c0\ub418\uae30\ub97c \ubc14\ub77c\uba70, \uc9c0\uc18d\uc801\uc778 \uc5f0\uad6c\uc640 \uac1c\uc120\uc744 \ud1b5\ud574 \uc6b0\ub9ac\ub294 \ub354 \ub098\uc740 \ubaa8\ub378\uc744 \ub9cc\ub4e4 \uc218 \uc788\uc744 \uac83\uc785\ub2c8\ub2e4.<\/p>\n
<\/body><\/p>\n","protected":false},"excerpt":{"rendered":"