以深度類神經網路為基礎之居家生活動作辨識系統;A DNN-based System for the Recognition of the Activities of Daily Living

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Title:	以深度類神經網路為基礎之居家生活動作辨識系統;A DNN-based System for the Recognition of the Activities of Daily Living
Authors:	曾紹武;Tseng, Shao-Wu
Contributors:	資訊工程學系
Keywords:	ADL;老人照護;跌倒;影像監控;類神經網路;ADL;eldercare;fall detect system;video surveillance;neural network
Date:	2017-08-14
Issue Date:	2017-10-27 14:36:59 (UTC+8)
Publisher:	國立中央大學
Abstract:	近年來拜醫療科技的進步，台灣社會面臨人口結構高齡化的問題，而隨這年輕子女的外移，獨居老人照護問題也比以往更加需要被關注，如何有效且即時的對獨居老人的活動量進行量測是目前很重要的一個議題。本論文以深度類神經網路為基礎開發了一套居家生活動作辨識系統，提出兩套特徵截取方式，分別為以數值方式以及圖像方式將彩色攝影機所截取的骨架資料萃取特徵，再以類神經網路抓分析動作，並將動作留存下來，以備使用者隨時查看，系統內更有一種情境的跌倒偵測，防止意外的發生，而在獨居老人的使用情境更可提供給長期照顧機構做為獨居老人活動力的參考。本論文設計的十種居家生活動作，包括一種基本的跌倒動作，用來識別跌倒的情況，並以此蒐集資料集用以訓練及測試類神經網路，並在角度推廣性以及不同人間之推廣性都有九成以上的推廣能力，在實際測試系統時有 92.93%的準確率，能證明本系統在居家動作辨識上有很好的可靠性供使用者參考。;In recent years, because of the improvement of medical technology, Taiwan is facing the severe problem of population aging. Since young people move out for work or marriage, the health care of independent-living Elderly is more important than ever. How to measure the activities of daily living for the elderly in an effective way is the crucial issue nowadays. In this paper, we developed a DNN-based System for the Recognition of the Activities of Daily Living. The system estimates skeleton data from the color image, which is recorded from webcam or surveillance system, and using the neural network like CNN, BPN or DNN to classify these features proposed by this paper. After recognized motions, we log the data in order to give the user a daily report. In this paper, we design ten different activities of daily living including one Scene of falling movement, and testing these data with angular tolerance and person independent experiments. In these experiments, we obtained a great result of over 90% recognition rate. Even in the real-life test, this system precision rate can also achieve 92.93%. With these experiments, we can prove that the system is good enough to provide a robust report to the user for consulting.
Appears in Collections:	[Graduate Institute of Computer Science and Information Engineering] Electronic Thesis & Dissertation

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