䣾
䣾ὒ㩗㧎
㧊
㧊㌗
㰚
㰚┾㦚
㥚
㥚䞲
䋊
䋊⩂㓺䎆Ⱇ㦮
㦮
䌖
䌖╏㎇
㡆
㡆ῂ
㧊䡚㣿*, ₖ⋯㤆*, 㧊㭖₆*, 㧊⼧䌗**䞲ῃ㩚㧦䐋㔶㡆ῂ㤦
{hyunyonglee, nwkim, jungi, bytelee}@etri.re.kr
G
A Feasibility Study on Clustering for Effective Anomaly
Detection
HyunYong Lee*, Nac-Woo Kim*, Jun-Gi Lee*, and Byung-Tak Lee* *Electronics and Telecommunications Research Institute (ETRI)
殚 殚 檃檃 㧊㌗ 㰚┾㦖 㭒㠊㰚 ◆㧊䎆㦮 㩫㌗ 㥶ⶊ⯒ 㰚┾䞮⓪ ⻫㦒⪲㖾 ┺㟧䞲 㟒㠦 Ỏ㼦 㣪ῂ♮⓪ ₆⓻㧊┺. 㧊㌗ 㰚┾㦖 ╖㌗ 䢮ἓ㠦㍲ ㌳䞮⓪ ◆㧊䎆㦮 䔏㎇ ❇㠦 ➆⧒ ┺㟧䞲 ⻫㦒⪲ ῂ䡚㧊 ♶ 㑮 㧞⓪◆, ⽎ 㡆ῂ㠦㍲⓪ 㩫㌗ ◆㧊䎆Ṗ ┺㑮㦮 䋊⧮㓺⪲ ῂ♶ 㑮 㧞⓪ ㌗䢿㠦㍲㦮 㧊㌗ 㰚 ┾㦚 䣾ὒ㩗㦒⪲ 䞶 㑮 㧞⓪ ⻫㠦 ╖䟊㍲ ┺⬾ἶ㧦 䞲┺. 䔏䧞, 㔺䠮㦚 䐋䟊 㩫㌗ ◆㧊䎆⯒ 㥶㌂ 䞲 ◆㧊䎆✺⋒Ⰲ ῂ䞮㡂 㻮Ⰲ䞮⓪ ἓ㤆㢖 ⁎⩝㰖 㞠㦖 ἓ㤆㦮 ゚ᾦ⯒ 䐋䟊㍲, 㩫㌗ ◆㧊䎆⯒ 㥶 ㌂䞲 ◆㧊䎆✺⋒Ⰲ ῂ䞮㡂 㧊㌗ 㰚┾㦚 㰚䟟䞮⓪ ⻫㦮 䌖╏㎇㦚 Ỗ㯳䞲┺. 1. 昢昢嵦 㧊㌗ 㰚┾㦖 ₆Ἒ䞯㔋 ❇ὒ ṯ㦖 ┺㟧䞲 ⻫㠦 ₆ 䞮㡂 㭒㠊㰚 ◆㧊䎆 (⡦⓪ ㌗䌲)Ṗ 㩫㌗㧎㰖 ゚㩫㌗ 㧎㰖⯒ 䕦┾䞮⓪ ộ㦚 㧒䅁⓪┺ [1]. 㧊㌗ 㰚┾㦖 Ὃ 㧻 ㍺゚ ❇㦮 㧊㌗ 㰚┾, 㩚⩻ ㏢゚㦮 㧊㌗ 㰚┾, ㌂ ⧢㦮 Ịṫ ㌗䌲㦮 㧊㌗ 㰚┾ ❇㠦 ⍦Ⰲ 㣪ῂ♮⓪ ₆ 㑶㧊┺. 㧊㌗ 㰚┾㦖 㰚┾ ╖㌗㧊 ♮⓪ 䢮ἓ㦮 ◆㧊 䎆 䔏㎇ ❇㠦 ➆⧒㍲ ┺㟧䞲 ⻫㦒⪲ ῂ䡚㧊 ♶ 㑮 㧞⓪◆, 㭒㣪䞲 㡆ῂ 㭒㩲 㭧 䞮⋮⓪ 䣾ὒ㩗㧎 ゚㩫 ㌗ 㩦㑮(abnormality score)⯒ 㺔⓪ ộ㧊┺. ゚㩫㌗ 㩦㑮 ⓪ 㭒㠊㰚 ◆㧊䎆㦮 ゚㩫㌗ 㥶ⶊ 䕦┾㦚 㥚䟊㍲ ㌂㣿 ♮Ⳇ, 䣾ὒ㩗㧎 ゚㩫㌗ 㩦㑮⓪ 㩫㌗ ◆㧊䎆㢖 ゚㩫㌗ ◆㧊䎆⯒ 㩫䢫䞮Ợ ῂ䞶 㑮 㧞㠊㟒 䞲┺. ⽎ ⏒ⶎ㠦㍲⓪ ⽊┺ 䣾ὒ㩗㧎 ゚㩫㌗ 㩦㑮 ☚㿲㦚 㥚䞲 ⻫㦚 㩲㞞䞮⓪◆, ┺㦢ὒ ṯ㦖 ㌗䢿㦚 ἶ⩺䞲 ┺. 㩫㌗ ◆㧊䎆⓪ ┺㑮㦮 䋊⧮㓺✺⪲ ῂ♶ 㑮 㧞 㰖Ⱒ, ⳛ㔲㩗㦒⪲ 㭒㠊㰚 䋊⧮㓺 ⩞㧊な㦖 㠜┺. ⽎ ⏒ⶎ㠦㍲ 㩲㞞䞮⓪ ⻫㦮 䟋㕂㦖, 㩫㌗ ◆㧊䎆⯒ ῂ 㠜㧊 䞮⋮㦮 ⳾◎⪲ 㻮Ⰲ䞮⓪ ộὒ ⩞㧊な㦖 㠜㰖 Ⱒ 䋊⩂㓺䎆Ⱇ㦚 䐋䟊㍲ 㧚㦮㦮 䋊⧮㓺⪲ ⮮䞲 ⛺ 䋊⧮㓺 ⼚⪲ ⳾◎㦚 Ⱒ✺㠊 㻮Ⰲ䞮⓪ ộ㠦⓪, ☚㿲♮ ⓪ ゚㩫㌗ 㩦㑮 Ṛ㦮 㥶㣿㎇ 䁷Ⳋ㠦㍲ 㹾㧊Ṗ 㧞㦚 ộ㧊⧒⓪ 㩦㧊┺. ⽎ ⏒ⶎ㠦㍲⓪ ⽎ 㡆ῂ㦮 㔲㧧㩦㦒 ⪲㖾 㔺䠮㦚 䐋䟊 㥚㦮 ⚦ ἓ㤆㠦㍲㦮 ゚㩫㌗ 㩦㑮 Ṛ㦮 㥶㣿㎇㦚 ゚ᾦ䞲┺. 2. 畺峲枪瘶廇 匶愞 決旇 滊埮 ٻ ڃ⁎Ⱂٻڌڄٻ䋊⩂㓺䎆Ⱇٻ₆ٻ㧊㌗ٻ㰚┾ٻῂ㫆ډٻ ⽎ 㡆ῂ㠦㍲ 㿪ῂ䞮⓪ 㧊㌗ 㰚┾ ῂ㫆⓪ ⁎Ⱂ 1 㠦 䚲䡚♮㠊㧞┺. 䢫㧎♲ 㩫㌗ ◆㧊䎆Ṗ 㭒㠊㪢┺ἶ ⽊ ἶ, 㭒㠊㰚 㩫㌗ ◆㧊䎆㠦 ₆䞮㡂 㧊㌗ 㰚┾㦚 㥚 䞲 ⳾◎㦚 㠊⠑Ợ ῂ㎇䞮ⓦ⌦Ṗ ὖỊ㧊┺. 㫛⧮㦮 ╖ 㦮 ⻫㦖, 㩫㌗ ◆㧊䎆㦮 ῂ㠜㧊 㩚㼊 㩫㌗ ◆㧊䎆⯒ ₆䞮㡂 䞮⋮㦮 ⳾◎㦚 䞯㔋䞮ἶ, 㧊⯒ ₆ 㦒⪲ 㧊㌗ 㰚┾㦚 㰚䟟䞲┺. 㡞⯒ ✺㠊, 㭒㠊㰚 㩫 ㌗ ◆㧊䎆㠦 ₆䞮㡂 䞮⋮㦮 㡺䏶㧎䆪▪ ⳾◎[2]㦚 Ⱒ✺ 㑮 㧞ἶ, ⽋㤦 㠦⩂⯒ ゚㩫㌗ 㩦㑮⪲ ㌂㣿䞮㡂 㧊㌗ 㰚┾㦚 㰚䟟䞶 㑮 㧞┺. 㧊 ➢, ⽋㤦 㠦⩂Ṗ 㰖 㩫♲ ₆㭖 㧊㌗㧎 ἓ㤆㠦, ゚㩫㌗㦒⪲ Ṛ㭒䞶 㑮 㧞 ┺. Ⳋ, ⽎ 㡆ῂ㠦㍲ 㿪ῂ䞮⓪ ⻫㦖, 㭒㠊㰚 㩫㌗
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-2020 온라인 춘계학술발표대회 논문집 제27권 제1호 (-2020. 5)◆㧊䎆 㩚㼊⯒ 㥚䞲 䞮⋮㦮 ⳾◎㦚 Ⱒ✺₆ ⽊┺, 㩫 ㌗ ◆㧊䎆⯒ 㥶㌂䞲 䔏㎇㦚 㰖┢ 䋊⩂㓺䎆⪲ ⮮䞲 ⛺ 䋊⩂㓺䎆 ⼚⪲ ⳾◎㦚 Ⱒ✲⓪ ộ㧊┺. 㩫㌗ ◆㧊 䎆㦮 䋊⩂㓺䎆Ⱇ㦚 㥚䟊㍲ K-means 䋊⩂㓺䎆Ⱇ[3]ὒ ṯ㧊 㧮 㞢⩺㰚 ⻫㦚 ㌂㣿䞶 㑮 㧞┺. ┾, ⳝ Ṳ㦮 䋊⩂㓺䎆⪲ ῂ䟊㟒 䞮⓪㰖⓪ ⽎ ⏒ⶎ㦮 ὖ㕂 ㌂䟃 㧊 㞚┞┺. 䋊⩂㓺䎆Ⱇ ₆⻫㦚 䐋䟊 㭒㠊㰚 㩫㌗ ◆ 㧊䎆Ṗ ┺㑮㦮 䋊⩂㓺䎆⪲ ῂ♲ 䤚㠦, 䋊⩂㓺䎆 ⼚ ⪲ 䞮⋮㦮 ⳾◎㦚 Ⱒ✺ 㑮 㧞┺. 㡞⯒ ✺㠊, 䋊⩂㓺䎆 ⼚⪲ 䞮⋮㦮 㡺䏶㧎䆪▪ ⳾◎㦚 ㌳㎇䞶 㑮 㧞┺. 㧊 ἓ㤆, 㭒㠊㰚 䎢㓺䔎 ◆㧊䎆㦮 㧊㌗ 㰚┾㦚 㥚䟊㍲⓪, 䋊⩂㓺䎆Ⱇ ₆⻫㦚 䐋䟊 䎢㓺䔎 ◆㧊䎆Ṗ 㠊ⓦ 䋊⩂ 㓺䎆㠦 ㏣䞮⓪㰖⓪ Ⲓ㩖 䕦⼚䞲 䤚㠦, 䟊╏ 䋊⩂㓺䎆 㦮 㡺䏶㧎䆪▪ ⳾◎㦚 㩗㣿䞮㡂 ⽋㤦 㠦⩂⯒ 㿪㿲䞮 ἶ 㧊⯒ ₆㦒⪲ 㧊㌗ 㰚┾㦚 㰚䟟䞶 㑮 㧞┺. 㩚㑶䞲 ⻫ὒ ṯ㧊 㭒㠊㰚 㩫㌗ ◆㧊䎆⯒ 䋊⩂㓺 䎆Ⱇ㦚 䐋䟊 ┺㑮㦮 䋊⩂㓺䎆⪲ ῂ䞮⓪ ộ㦖, 䋊⩂ 㓺䎆 ⼚ ⳾◎㦚 䟊╏ 䋊⩂㓺䎆㦮 ◆㧊䎆㠦 䔏䢪㔲䌊 㦒⪲㖾 ゚㩫㌗ ◆㧊䎆㦮 ἓ㤆 ゚㩫㌗ 㩦㑮Ṗ ▪ ⁏╖ 䢪♮☚⪳䞮₆ 㥚䞾㧊┺. ┺㔲 Ⱖ䞮Ⳋ, ㌗㧊䞲 䔏㎇㦚 ⽊㧊⓪ 㩫㌗ ◆㧊䎆⯒ 䞮⋮㦮 ⳾◎㦚 䐋䟊 㻮Ⰲ䞮⓪ ộ⽊┺, 㥶㌂䞲 䔏㎇㦚 ⽊㧊⓪ 㩫㌗ ◆㧊䎆✺⋒ⰂⰢ ⶌ㠊㍲ 䞮⋮㦮 ⳾◎㦚 䐋䟊 㻮Ⰲ䞮⓪ ⻫㦮 ἓ㤆㠦 䟊╏ ⳾◎㦖 䟊╏ 䋊⩂㓺䎆㦮 ◆㧊䎆 䔏㎇㦚 ▪ 㧮 㧊䟊䞮ἶ 䚲䡚䞮Ợ ♮㠊㍲, ゚㩫㌗ ◆㧊䎆㦮 ἓ㤆 ⽋ 㤦 㠦⩂Ṗ ▪ ⁏╖䢪♮Ợ ♲┺. ڃ⁎Ⱂٻڍڄٻ䌖╏㎇ٻỖ㯳ٻ⻫ډٻ 3. 柪柪竞 匶愞 痆埿昷 円溣 2 㧻㠦㍲ 㩚㑶䞲 䋊⩂㓺䎆Ⱇ ₆ 㧊㌗ 㰚┾ ₆⻫㦮 䌖╏㎇㦚 Ỗ㯳䞮₆ 㥚䟊㍲ ₆㽞 㔺䠮㦚 㰚䟟䞲┺. ⁎ Ⱂ 2 ⓪ 㧊⩂䞲 ὒ㩫㦚 ⽊㡂㭖┺. 㔺䠮㦮 ⳿㩗㦖, 䋊 ⩂㓺䎆 ⼚⪲ 䙂䞾♲ 䋊⧮㓺㦮 㑮㠦 ➆⯎ ⁎Ⰲἶ 䋊⩂ 㓺䎆㠦 䙂䞾♲ 䋊⧮㓺 Ṛ㦮 㥶㌂㎇ 㩫☚㠦 ➆⯎ ゚㩫 ㌗ 㩦㑮 㥶㣿㎇ ゚ᾦ㧊┺. 㔺䠮㦚 㥚䟊㍲ 10 Ṳ㦮 䋊 ⧮㓺⪲ ῂ㎇♮⓪ MNIST ◆㧊䎆[4]⯒ ㌂㣿䞮㡖┺. MNIST ⓪ 0 䎆 9 ₢㰖㦮 ㏦⁖㝾㠦 ╖䞲 ◆㧊䎆㧊┺. 㧚㦮㦮 㑮㦮 䋊⧮㓺⯒ 䞮⋮㦮 䋊⩂㓺䎆⪲ Ṛ㭒䞮ἶ, 䟊╏ 䋊⩂㓺䎆㦮 䞯㔋 ◆㧊䎆㠦 ₆䞮㡂 䞮⋮㦮 㡺 䏶㧎䆪▪ ⳾◎㦚 䞯㔋䞮ἶ, 䎢㓺䔎 ◆㧊䎆⯒ 㩗㣿䞮 㡂 ⽋㤦 㠦⩂⯒ 㩦Ỗ䞲┺. ゚㩫㌗ 㩦㑮⪲ ㌂㣿♮⓪ ⽋㤦 㠦⩂⓪ 㡺䏶㧎䆪▪㦮 㧛⩻ ◆㧊䎆㢖 㿲⩻ ◆㧊 䎆 Ṛ㦮 mean squared error ⯒ ㌂㣿䞲┺. ゚㩫㌗ 㩦㑮 ⪲ ㌂㣿♮⓪ ⽋㤦 㠦⩂㦮 Ṩ㧊 㧧㦚㑮⪳ ゚㩫㌗ 㩦㑮 㦮 㥶㣿㎇㧊 ▪ 䋂┺ἶ ⽒ 㑮 㧞┺. 㧊⓪ 䟊╏ 䋊⩂ 㓺䎆㠦 ㏣䞲 ◆㧊䎆✺㦚 ▪ 㧮 䚲䡚䞲┺ἶ ⽒ 㑮 㧞 ₆ ➢ⶎ㧊┺. ㎇⓻ Ỗ㯳 ⳿㩗㦚 㥚䟊 ⼚☚㦮 䋊⩂㓺 䎆Ⱇ㦖 㰚䟟䞮㰖 㞠ἶ, ὋṲ♲ 䋊⧮㓺 㩫⽊⯒ 䋊⩂㓺 䎆 㩫⽊⪲ ㌂㣿䞮㡖┺. ┺㟧䞲 䋊⩂㓺䎆 ἓ㤆㦮 ㎇⓻ ゚ᾦ⯒ 㥚䟊㍲, 䋊⩂㓺䎆㠦 ㏣䞮⓪ 䋊⧮㓺 㑮⯒ ㌗㧊 䞮Ợ 㔺䠮㦚 㰚䟟䞮㡖┺. 㔺䠮㦖 Tensorflow 2.0 ⻚㩚 㠦 ₆䞮㡂 㰚䟟䞮㡖┺. <䚲 1> 䌖╏㎇ 㔺䠮 ἆὒ 䋊⩂㓺䎆㠦 ㏣ 䞲 䋊⧮㓺✺ ⽋㤦 㠦⩂ 䘟‶ ⽋㤦 㠦⩂ 䚲 㭖䘎㹾 0 0.0141 0.005 1 0.004 0.0034 2 0.0172 0.0057 3 0.0152 0.0057 4 0.013 0.0049 5 0.0164 0.0055 6 0.0131 0.0054 7 0.0104 0.0054 8 0.0179 0.0064 9 0.0115 0.0056 1,3 0.01 0.0074 2,4 0.0166 0.0058 3,4 0.0156 0.0057 5,6 0.0157 0.0058 1,7,9 0.009 0.0058 0,3,4,7,8 0.0164 0.0063 1,2,5,6,9 0.0144 0.0075 0,1,2,3,4,5,6,7,8,9 0.016 0.0072 䚲 1 㦖 䌖╏㎇ 㔺䠮 ἆὒ⯒ ⽊㡂㭖┺. Ṗ㧻 㣒㴓㦮 㡊㦖 䞲 䋊⩂㓺䎆㠦 ㏣䞲 䋊⧮㓺✺㦚 ⽊㡂㭖┺. Ṗ㤊 ◆ 㡊㦖 䋊⩂㓺䎆㠦 ㏣䞲 ⳾✶ 䎢㓺䔎 ◆㧊䎆㠦 ╖䞲 ⽋㤦 㠦⩂㦮 䘟‶㦚, ⰾ 㡺⯎㴓 㡊㦖 ⽋㤦 㠦⩂㦮 䚲 㭖 䘎㹾⯒ ⽊㡂㭖┺. 㩚㑶䞮㡖❅㧊, ⽋㤦 㠦⩂ 䘟‶㧊 ⌄㦚 㑮⪳ ゚㩫㌗ 㩦㑮㦮 㥶㣿㎇㧊 ⏨┺ἶ 䕦┾䞶 㑮 㧞┺. 0 䎆 9 ₢㰖㦮 ⳾✶ 䋊⧮㓺⯒ 䞮⋮㦮 ⳾◎⪲ 㻮Ⰲ䞲 ἓ㤆, ⽋㤦 㠦⩂㦮 䘟‶㦖 0.016 㧊┺. Ⳋ, 䞮⋮㦮 䋊⧮㓺⼚⪲ ⳾◎㦚 ῂ㎇䞲 ἓ㤆㠦⓪ 2,5,8 䋊 ⧮㓺㦮 ἓ㤆⯒ 㩲㣎䞮ἶ⓪ ▪ ⌄㦖 ⽋㤦 㠦⩂ 䘟‶
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-2020 온라인 춘계학술발표대회 논문집 제27권 제1호 (-2020. 5)Ṩ㦚 ⽊㧎┺. 䔏䧞, 䋊⧮㓺 1 㦮 ἓ㤆 ⽋㤦 㠦⩂ 䘟‶ 㦖 0.004 㧊Ⳇ ⽋㤦 㠦⩂ 䚲㭖䘎㹾☚ 0.0034 ⪲ ⰺ㤆 ⌄┺. 㿪Ṗ⪲ 㩦Ỗ䟊⽎ ἓ㤆⓪, 2,4 㢖 ṯ㧊 ㍲⪲ ㌗㧊 䞲 㒁㧦 ⳾㟧㦚 ⽊㧊⓪ 䋊⧮㓺✺㦚 䞮⋮㦮 䋊⩂㓺䎆 ⪲ ⶌ㦖 ἓ㤆㢖 1,7,9 㻮⩒ ゚㔍䞲 㒁㧦 ⳾㟧㦚 ⽊㧊 ⓪ 䋊⧮㓺✺㦚 䞮⋮㦮 䋊⩂㓺䎆⪲ ⶌ㦖 ἓ㤆㧊┺. 㒁 㧦 ⳾㟧㧊 ゚㔍䞲 ἓ㤆⓪ ゚㔍䞲 䔏㎇㦚 ⽊㧊⓪ ộ㦒 ⪲ 㧊䟊♶ 㑮 㧞┺. 2,4 䋊⧮㓺⯒ ⶌ㦖 ἓ㤆, ⳾✶ 䋊 ⧮㓺⯒ 䞮⋮㦮 䋊⩂㓺䎆⪲ ⶌ㦖 ἓ㤆㢖 㥶㌂䞲 ⽋㤦 㠦⩂ 䘟‶㦚 ⽊㧊⓪ Ⳋ, 1,7,9 ⯒ ⶌ㦖 ἓ㤆 ⽋㤦 㠦 ⩂ 䘟‶㦖 0.009 ⪲ ⰺ㭒 ⌄㞚㪢┺. 䚲 1 㠦 ⽊㧊⓪ ⋮ Ⲏ㰖 ἓ㤆㠦㍲☚ ὖ㺆䞶 㑮 㧞⓪ ộ㻮⩒, 㧊㻮⩒ 㥶 ㌂䞲 䔏㎇㦚 ⽊㧊⓪ 䋊⧮㓺⋒Ⰲ 䋊⩂㓺䎆⪲ ⶌ⓪ ộ 㦖 ゚㩫㌗ 㩦㑮㦮 㥶㣿㎇㦚 䟻㌗㔲䋺⓪ ộ㦚 ⽒ 㑮 㧞┺. Ⳋ, ὖ⩾㧊 㠜㠊⋮ 䔏⼚䞲 ῂ㠜㧊 ⳾✶ ◆ 㧊䎆⯒ 䞮⋮㦮 ⳾◎⪲ 㻮Ⰲ䞮⓪ ἓ㤆㠦⓪ ゚㩫㌗ 㩦 㑮㦮 㥶㣿㎇㧊 ⌄㞚㰖⓪ ộ㦚 ⽒ 㑮 㧞┺. 4. 冶冶嵦 䣾ὒ㩗㧎 㧊㌗ 㰚┾㦚 㥚䞲 䟋㕂 ₆㑶 㭧 䞮⋮⓪ 㩫㌗ ◆㧊䎆㢖 ゚㩫㌗ ◆㧊䎆⯒ ▪ 㧮 ῂ䞮₆ 㥚䞲 ゚㩫㌗ 㩦㑮⯒ ☚㿲䞮⓪ ộ㧊┺. ⽎ ⏒ⶎ㠦㍲⓪, 䢫⽊ ♲ 㩫㌗ ◆㧊䎆⯒ 䋊⩂㓺䎆Ⱇ ₆⻫㦚 䐋䟊 ┺㑮㦮 䋊 ⩂㓺䎆⪲ ῂ䞮ἶ 䋊⩂㓺䎆⼚⪲ ⳾◎㦚 ῂ㎇䞾㦒⪲ 㖾 ⽊┺ 䣾ὒ㩗㧎 ゚㩫㌗ 㩦㑮⯒ ☚㿲䞮⓪ ⻫㦮 䌖 ╏㎇㦚 㔺䠮㦚 䐋䞮㡂 Ỗ㯳䞮㡖┺. ⽎ 㡆ῂ㦮 㡆㏣㦚 㥚䟊㍲, ImageNet ὒ ṯ㧊 MNIST ⽊┺ 㫖 ▪ ⽋㧷䞲 䡫䌲㦮 ◆㧊䎆㠦 ₆䞮㡂 䌖╏㎇ Ỗ㯳㦚 㰚䟟䞶 䞚 㣪Ṗ 㧞┺. ㈦Ⱒ 㞚┞⧒, 㩲㞞 ⻫㦮 䟋㕂㧊 䋊⩂㓺 䎆 ⼚⪲ ⳾◎㦚 ῂ㎇䞮⓪ ộ㧎◆, ╖㌗ 䎢㓺䔎 ◆㧊 䎆㦮 䋊⩂㓺䎆 ㈦Ⱒ 㞚┞⧒ ⋮Ⲏ㰖 䋊⩂㓺䎆✺㦮 ⳾ ◎✺㦚 䢲㣿䞮㡂 ゚㩫㌗ 㩦㑮⯒ ☚㿲䞮⓪ ⻫㠦 ╖ 䞲 㡆ῂ☚ 㦮⹎Ṗ 㧞㦚 ộ㦒⪲ ⽊㧎┺. 儖斲汞 匆
㧊G 㡆ῂ⓪G 㩫㦮G l{ypG yMkG 䝚⪲⁎⧾OYWrXX[WP 㦮G 㨂㤦㦚G 㞚G 㑮䟟♲G 㡆ῂ㧚UG
焾処怾竒
[1] V. Chandola, A. Banerjee, and V. Kumar, "Anomaly detection: A survey" ACM Computing Surveys, vol. 41, no.3, July 2009.
[2] P. Baldi, “Autoencoders, unsupervised learning and deep architectures” International Conference on Unsupervised and Transfer Learning Workshop, Washington, USA, 2011, pp.37-50.
[3] T. Kanungo, et al., “An efficient k-means clustering algorithm: Analysis and implementation” IEEE Transactions on Pattern Analysis and Machine Intelligence, vol.24, no.7, pp.881-892, 2002.
[4] The MNIST DATABASE of handwritten digits, http://yann.lecun.com/exdb/mnist/
