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ÇѱÛÁ¦¸ñ(Korean Title) Ä¡¸Å ȯÀÚ¸¦ À§ÇÑ µö·¯´× ±â¹Ý ÀÌ»ó Çൿ ŽÁö ½Ã½ºÅÛ
¿µ¹®Á¦¸ñ(English Title) Deep Learning-based Abnormal Behavior Detection System for Dementia Patients
ÀúÀÚ(Author) ±è±¹Áø   À̽ÂÁø   ±è¼ºÁß   ±èÀç±Ù   ½Åµ¿ÀÏ   ½Åµ¿±Ô   Kookjin Kim   Seungjin Lee   Sungjoong Kim   Jaegeun Kim   Dongil Shin   Dong-kyoo shin  
¿ø¹®¼ö·Ïó(Citation) VOL 21 NO. 03 PP. 0133 ~ 0144 (2020. 06)
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(Korean Abstract)
°í·ÉÈ­·Î ÀÎÇØ Áõ°¡ÇÏ´Â ³ëÀÎ ºñÀ²¸¸Å­À̳ª Ä¡¸Å¸¦ ¾Î´Â ³ëÀÎ ¼ö ¶ÇÇÑ ºü¸£°Ô ´Ã°í Àִµ¥ ÀÌ´Â »çȸÀû, °æÁ¦Àû ºÎ´ãÀ» ¹ß»ý½ÃŲ´Ù. ƯÈ÷, °£º´ÀÎÀÇ ±Ù¹« ½Ã°£ ¼Õ½Ç ¹× °£È£ ºÎ´ãÀ¸·Î ÀÎÇÑ ÀÇ·á ºñ¿ë Áõ°¡¿Í °°Àº °£Á¢ºñ¿ëÀ» Æ÷ÇÔÇÏ´Â Ä¡¸Å °ü¸® ºñ¿ëÀº ¼ö³â¿¡ °ÉÃÄ ±âÇϱ޼öÀûÀ¸·Î Áõ°¡ÇÏ°í ÀÖ´Ù. ÀÌ·¯ÇÑ ºñ¿ëÀ» ÁÙÀ̱â À§ÇØ Ä¡¸Å ȯÀÚ¸¦ µ¹º¸±â À§ÇÑ °ü¸® ½Ã½ºÅÛ µµÀÔÀÌ ½Ã±ÞÇÏ´Ù. µû¶ó¼­ º» ¿¬±¸´Â Ç×»ó Ä¡¸Å ȯÀÚ¸¦ µ¹º¼ ¼ö ¾ø´Â ȯ°æÀ̳ª µ¶°Å³ëÀÎÀ» °ü¸®Çϱâ À§ÇÑ ¼¾¼­ ±â¹Ý ÀÌ»ó Çൿ ŽÁö ½Ã½ºÅÛÀ» Á¦¾ÈÇÑ´Ù. ±âÁ¸ ¿¬±¸µéÀº ´ÜÁö ÇൿÀ» ÀÎÁöÇϰųª Á¤»ó Çൿ ¿©ºÎ¸¦ Æò°¡ÇÏ´Â Á¤µµ¿´°í ¼¾¼­·ÎºÎÅÍ ¹ÞÀº µ¥ÀÌÅÍ°¡ ¾Æ´Ñ À̹ÌÁö¸¦ ó¸®ÇÏ¿© ÇൿÀ» ÀÎÁöÇÑ ¿¬±¸µµ ÀÖ¾ú´Ù. º» ¿¬±¸¿¡¼­´Â ½Çµ¥ÀÌÅÍ ¼öÁý¿¡ ÇÑ°è°¡ ÀÖÀ½À» ÀÎÁöÇÏ¿© ºñÁöµµ ÇнÀ ¸ðµ¨ÀÎ ¿ÀÅäÀÎÄÚ´õ¿Í Áöµµ ÇнÀ ¸ðµ¨ÀÎ À塤´Ü±â ±â¾ï ¸ðÇüÀ» µ¿½Ã¿¡ »ç¿ëÇß´Ù. ºñÁöµµ ÇнÀ ¸ðµ¨ÀÎ ¿ÀÅäÀÎÄÚ´õ´Â Á¤»ó Çൿ µ¥ÀÌÅ͸¦ ÇнÀÇÏ¿© Á¤»óÀûÀÎ Çൿ¿¡ ´ëÇÑ ÆÐÅÏÀ» ÇнÀ½ÃÄ×°í À塤´Ü±â ±â¾ï ¸ðÇüÀº ¼¾¼­·Î ÀÎÁö °¡´ÉÇÑ ÇൿÀ» ÇнÀ½ÃÄÑ ºÐ·ù¸¦ Á» ´õ ¼¼ºÐÈ­Çß´Ù. Å×½ºÆ® °á°ú °¢°¢ÀÇ ¸ðµ¨Àº ¾à 96%, 98% ÀÌ»óÀÇ Á¤È®µµ¸¦ µµÃâÇÏ¿´°í ¿ÀÅäÀÎÄÚ´õÀÇ ÀÌ»óÄ¡°¡ 3% ÀÌ»óÀ» °®´Â °æ¿ì À塤´Ü±â ±â¾ï ¸ðÇüÀ» Åë°úÇϵµ·Ï ¼³°èÇß´Ù. ÀÌ ½Ã½ºÅÛÀ» ÅëÇØ È¥ÀÚ »ç´Â ³ëÀÎÀ̳ª Ä¡¸Å ȯÀÚ¸¦ È¿À²ÀûÀ¸·Î °ü¸®ÇÒ ¼ö ÀÖÀ¸¸ç µ¹º¸±â À§ÇÑ ºñ¿ë ¶ÇÇÑ Àý°¨ÇÒ ¼ö ÀÖÀ» °ÍÀ¸·Î Àü¸ÁµÈ´Ù.
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(English Abstract)
The number of elderly people with dementia is increasing as fast as the proportion of older people due to aging, which creates a social and economic burden. In particular, dementia care costs, including indirect costs such as increased care costs due to lost caregiver hours and caregivers, have grown exponentially over the years. In order to reduce these costs, it is urgent to introduce a management system to care for dementia patients. Therefore, this study proposes a sensor-based abnormal behavior detection system to manage dementia patients who live alone or in an environment where they cannot always take care of dementia patients. Existing studies were merely evaluating behavior or evaluating normal behavior, and there were studies that perceived behavior by processing images, not data from sensors. In this study, we recognized the limitation of real data collection and used both the auto-encoder, the unsupervised learning model, and the LSTM, the supervised learning model. Autoencoder, an unsupervised learning model, trained normal behavioral data to learn patterns for normal behavior, and LSTM further refined classification by learning behaviors that could be perceived by sensors. The test results show that each model has about 96% and 98% accuracy and is designed to pass the LSTM model when the autoencoder outlier has more than 3%. The system is expected to effectively manage the elderly and dementia patients who live alone and reduce the cost of caring.
Å°¿öµå(Keyword) ÀÌ»ó Çൿ °¨Áö   µö·¯´×   ¿ÀÅäÀÎÄÚ´õ   Abnomaly detection   Deep-learning   Long Short-Term Memory models   À塤´Ü±â ±â¾ï ¸ðÇü   AutoEncoder  
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