Current Result Document :
ÇѱÛÁ¦¸ñ(Korean Title) |
¼¾¼º° ½Ã°£Áö¿¬ ±³Â÷ »ó°ü°ü°è¸¦ Àû¿ëÇÑ GCN ±â¹ÝÀÇ ½Ã°è¿ µ¥ÀÌÅÍ ÀÌ»ó ŽÁö |
¿µ¹®Á¦¸ñ(English Title) |
GCN-based Time series data Anomaly Detection with Sensor-specific TLCC |
ÀúÀÚ(Author) |
Kangwoo Lee
Sungwon Jung
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¿ø¹®¼ö·Ïó(Citation) |
VOL 49 NO. 02 PP. 0098 ~ 0100 (2022. 12) |
Çѱ۳»¿ë (Korean Abstract) |
³×Æ®¿öÅ© °ü¸®/º¸¾È, »ê¾÷ÇöÀå µî¿¡¼´Â °¢ ¼¾¼°¡ ¼öÁýÇÏ´Â ½Ã°è¿ µ¥ÀÌÅ͸¦ ÅëÇØ Àåºñ¸¦ ¸ð´ÏÅ͸µÀ» ÇÑ´Ù. µû¶ó¼ È¿À²ÀûÀÎ ½Ã°è¿ µ¥ÀÌÅÍ ÀÌ»ó ŽÁö¸¦ ÅëÇØ Á¶±â¿¡ Àåºñ ÀÌ»óÀ» ŽÁöÇÏ´Â °ÍÀº ´õ Å« ÇÇÇظ¦ ¹æÁöÇÏ°í »ý»ê¼º Çâ»ó¿¡ ±â¿©ÇÒ ¼ö Àֱ⠶§¹®¿¡ ÇØ´ç ºÐ¾ß¿¡¼´Â ¸Å¿ì Áß¿äÇÑ °úÁ¦ÀÌ´Ù. ÃÖ±Ù µö·¯´×ÀÌ ¹ßÀüÇÏ¸ç ½Ã°è¿ µ¥ÀÌÅÍ ÀÌ»ó ŽÁö¿¡ ´ëÇÑ ¿¬±¸°¡ È°¹ßÈ÷ ÁøÇàµÇ°í ÀÖÁö¸¸, ´ÙÀ½°ú °°Àº Á¦¾à»çÇ×µéÀÌ ÀÖ´Ù. ù°, ´Ù¸¥ ¼¾¼¿ÍÀÇ »ó°ü°ü°è¸¦ ºÐ¼®ÇÏÁö ¾Ê°í °¢ ¼¾¼ÀÇ ÀÌ»ó À¯¹«¸¸À» ºÐ¼®Çϱ⠶§¹®¿¡ ºÒÇÊ¿äÇÑ ÇãÀ§ ¾Ë¶÷ÀÌ ¹ß»ýÇÑ´Ù. µÑ°, ¼¾¼º° »ó°ü°ü°è¸¦ ºÐ¼®Çϱâ À§ÇØ ¿ÏÀü ±×·¡ÇÁ·Î ¸ðµ¨¸µÇÏ°í GAT(Graph Attention Networks)¸¦ Àû¿ëÇÏ¿´À¸³ª, ÀÌ ¹æ½ÄÀº Á¤È®ÇÑ »ó°ü°ü°è¸¦ ¹Ý¿µÇÒ ¼ö ¾ø°í, ºÒÇÊ¿äÇÑ ¿¬»êÀÇ Áõ°¡·Î ±²ÀåÈ÷ ¸¹Àº ºÐ¼®½Ã°£ÀÌ ¼Ò¿äµÈ´Ù. º» ³í¹®¿¡¼´Â ÀÌ ¹®Á¦¸¦ ÇØ°áÇϱâ À§ÇØ SC-GCNAD(Sensor-specific Correlation GCN Anomaly Detection)¸¦ Á¦¾ÈÇÑ´Ù. SC-GCNAD´Â »ó±âÀÇ Á¦¾à»çÇ×µéÀ» ÇØ°áÇϱâ À§ÇØ ½Ã°è¿ µ¥ÀÌÅÍÀÇ Æ¯Â¡À» ¹Ý¿µÇÑ TLCC(Time Lagged Cross Correlation)¸¦ Àû¿ëÇÏ¿© Á¤È®ÇÑ ¼¾¼º° »ó°ü°ü°è¸¦ ºÐ¼®ÇÏ°í, »ó°ü°ü°è Ç¥Çö·ÂÀÌ ¶Ù¾î³ GCN(Graph Convolutional Networks)À» È°¿ëÇÑ´Ù. ±× °á°ú ÇÙ½ÉÀûÀÎ »ó°ü°ü°è¸¸ ¹Ý¿µÇÑ ±×·¡ÇÁ ±¸Á¶·Î º¯È¯ÇÏ¿© ºÐ¼®½Ã°£À» ´ÜÃàÇϸç, ÀÌÈÄ GRU¿Í Forecasting ¸ðµ¨À» ÅëÇØ ½Ã°è¿ µ¥ÀÌÅÍ ³» ÀÌ»óÄ¡¸¦ ŽÁöÇÑ´Ù. SC-GCNAD´Â ±âÁ¸ ¸ðµ¨ ´ëºñ F1-Score´Â ÃÖ´ë 6.37% Çâ»óÇÏ°í, ºÐ¼®½Ã°£Àº ÃÖ´ë 86.72% ´ÜÃàÇÑ´Ù. |
¿µ¹®³»¿ë (English Abstract) |
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