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Pubmed for Handhelds

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  • Title: Design and implementation of an intelligent belt system using accelerometer.
    Author: Liu B, Wang D, Li S, Nie X, Xu S, Jiao B, Duan X, Huang A.
    Journal: Annu Int Conf IEEE Eng Med Biol Soc; 2015; 2015():2043-6. PubMed ID: 26736688.
    Abstract:
    Activity monitor systems are increasing used recently. They are important for athletes and casual users to manage physical activity during daily exercises. In this paper, we use a triaxial accelerometer to design and implement an intelligent belt system, which can detect the user's step and flapping motion. In our system, a wearable intelligent belt is worn on the user's waist to collect activity acceleration signals. We present a step detection algorithm to detect real-time human step, which has high accuracy and low complexity. In our system, an Android App is developed to manage the intelligent belt. We also propose a protocol, which can guarantee data transmission between smartphones and wearable belt effectively and efficiently. In addition, when users flap the belt in emergency, the smartphone will receive alarm signal sending by the belt, and then notifies the emergency contact person, which can be really helpful for users in danger. Our experiment results show our system can detect physical activities with high accuracy (overall accuracy of our algorithm is above 95%) and has an effective alarm subsystem, which is significant for the practical use.
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