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A Study on Real-Time Sports Activity Classification & Monitoring Using a Tri-axial Accelerometer
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 Title & Authors
A Study on Real-Time Sports Activity Classification & Monitoring Using a Tri-axial Accelerometer
Kang, Dong-Won; Choi, Jin-Seung; Tack, Gye-Rae;
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This study was conducted to study the real-time sports activity classification and monitoring using single waist mounted tri-axial accelerometer. This monitoring system detects events of sports activities such as walking, running, cycling, transitions between movements, resting and emergency event of falls. Accelerometer module was developed small and easily attachable on waist using wireless communication system which does not constrain sports activities. The sensor signal was transferred to PC and each movement pattern was classified using the developed algorithm in real-time environment. To evaluate proposed algorithm, experiment was performed with several sports activities such as walking, running, cycling movement for 100sec each and falls, transition movements(sit to stand, lie to stand, stand to sit, lie to sit, stand to lie and sit to lie) for 20 times each with 5 healthy subjects. The results showed that successful detection rate of the system for all activities was 95.4%. In this study, through sports activity monitoring. it was possible to classify accurate sports activities and to notify emergency event such as falls. For further study, the accurate energy consumption algorithm for each sports activity is under development.
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가속도계의 부착위치에 따른 에너지 소비량의 예측 정확도에 관한 연구,강동원;최진승;문경률;방윤환;탁계래;

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