In this paper, we propose an adaptive step-estimation method to estimate the distance traveled for arm-swinging activities at three level-walking speeds, i.e., low, normal, and high speed. The proposed method is constructed based on a polynomial function of the pedestrian speed and variance of walking acceleration. We firstly apply a low-pass filter with 10 Hz cut-off frequency for acceleration data. Then, we analyze the acceleration data to find the number of steps in each sample. Finally, the traveled distance is calculated by summing all step lengths which are estimated by the proposed method during walking. Applying the proposed method, we can estimate the walking distance with an accuracy rate of 95.35% in a normal walking speed. The accuracy rates of low and high walking speeds are 94.63% and 94.97%, respectively. Furthermore, the proposed method outperforms conventional methods in terms of accuracy and standard deviation at low, normal, and high speeds.


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    Titel :

    Nonparametric Regression-based Step-length Estimation for Arm-swing Walking using a Smartphone


    Beteiligte:
    Truong, Phuc Huu (Autor:in) / Nguyen, Nhan Duc (Autor:in) / Ho, Ngoc-Huynh (Autor:in) / Jeong, Gu-Min (Autor:in)

    Erscheinungsdatum :

    2018-07-25


    Anmerkungen:

    doi:10.15837/ijccc.2018.4.3148
    INTERNATIONAL JOURNAL OF COMPUTERS COMMUNICATIONS & CONTROL; Vol 13 No 4 (2018): International Journal of Computers Communications & Control (August); 566-573 ; 1841-9844 ; 1841-9836 ; 10.15837/ijccc.2018.4



    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



    Klassifikation :

    DDC:    629




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