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    题名: A Step Counting Algorithm for Smartphone Users: Design and Implementation
    作者: Pan, Meng-Shiuan;Lin, Hsueh-Wei
    贡献者: 淡江大學資訊工程學系
    关键词: Acceleration;Sensors;Legged locomotion;Accelerometers;Correlation;Gravity;Data collection
    日期: 2015-04
    上传时间: 2015-05-08 12:45:38 (UTC+8)
    出版者: IEEE Sensors Journal
    摘要: The step count is an important information for developing services for smartphone users. Most existing step counting solutions restrict that: the phone has to be fixed to the user and the user cannot use the phone naturally while walking. We can see that these restrictions are inconvenient for users. In this paper, we propose a step calculation algorithm, which can relieve the above restrictions and can count users' steps precisely. The proposed algorithm is composed of two phases. The first phase collects linear acceleration and gravity values from the smartphone's accelerometer. Then, this phase derives the horizontal components of the perceived linear acceleration values and identifies possible start points of periodical regular fluctuations (of linear acceleration measurements). The second phase adopts the concept of correlation coefficients to identify whether the collected sensing measurements exhibit similar tendencies and calculates step counts. In this paper, we implement the proposed method on the android platform. The experiment results indicate that the proposed scheme can analyze gaits accurately and count steps effectively.
    關聯: IEEE Sensors Journal 15(4), p.2296-2305
    DOI: 10.1109/JSEN.2014.2377193
    显示于类别:[資訊工程學系暨研究所] 期刊論文


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