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Seminar
FIELD Mathematics
DATE December 08 (Tue), 2020
TIME 16:00-17:00
PLACE 1503
SPEAKER Cho, Jin-Hwan
HOST Keum, JongHae
INSTITUTE  
TITLE Three outlier detection algorithms ending with Forest
ABSTRACT Outlier detection (¶Ç´Â anomaly detection)Àº Èñ±ÍÇϰųª(few) ´ë´Ù¼öÀÇ µ¥ÀÌÅͿʹ ´Ù¸¥(different) ¼ºÁúÀ» °¡Áø ÀÌ»óÄ¡¸¦ ã¾Æ³»´Â ±â°èÇнÀÀÇ ÇÑ ºÐ¾ßÀÌ´Ù. ÇöÀç¿Í °°ÀÌ µö·¯´×À» À§½ÃÇÑ ÀΰøÁö´ÉÀÇ ¿¬±¸°¡ Ȱ¹ßÇÏÁö ¾Ê¾Ò´ø ¶§¿¡µµ ¸¹Àº ¿¬±¸°¡ ÀÌ·ç¾îÁ® ¿ÔÀ¸¸ç, ƯÈ÷ ÀÚ¿¬°úÇÐÀº ¹°·Ð »ê¾÷ÇöÀåÀÇ ´Ù¾çÇÑ ¹®Á¦¸¦ ÇØ°áÇϴµ¥ »ç¿ëµÇ°í ÀÖ´Ù. ÀÌ °­¿¬¿¡¼­´Â ±â°èÇнÀÀÇ ±âº» Áö½ÄÀÌ ¾ø´õ¶óµµ ½±°Ô ÀÌÇØÇÒ ¼ö ÀÖÀ¸¸ç, °Ô´Ù°¡ °­·ÂÇÑ ÆÛÆ÷¸Õ½º¸¦ °¡Áø ¼¼ °¡Áö ¾Ë°í¸®Áò, Isolation Forest, Robust Random Cut Forest, ±×¸®°í PIDForest¸¦ ¼Ò°³ÇÑ´Ù.
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