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A wireless inertial measuring system is designed for human motion analysis in this study. Each of the measurement unit bonded at the human joint consists of a three-axis accelerometer, magnetometer and gyroscope. A wireless body sensor network based on Wi-Fi is built to collect all the information of the measurement units and transfer to the computer in real time. An orientation estimation algorithm...
Falls in the elderly have always been a serious medical and social problem. To detect and predict falls, a hidden Markov model (HMM)-based method using tri-axial accelerations of human body is proposed. A wearable motion detection device using tri-axial accelerometer is designed and realized, which can detect and predict falls based on tri-axial acceleration of human upper trunk. The acceleration...
Frequent and high-risk fall accidents of the elders have become a serious medical and social problem. In this paper, a wireless automatic human fall detection device based on tri-axis accelerator is designed and realized; and a novel method to distinguish fall events from other daily activities is proposed also, including multi-impact falls and rolling down falls. In the real application, the device...
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