Search Results 1-4 of 4

  • Swimming Style Classification Based on Ensemble Learning and Adaptive Feature Value by Using Inertial Measurement Unit

    Omae Yuto , Sakurai Yoshihisa , Miyaji Chikara , Kon Yoshihisa , Kobayashi Masahiro , Sakai Kazuki , Shionoya Akira , Takahashi Hirotaka , Akiduki Takuma , Nakai Kazufumi , Ezaki Nobuo

    … <p>We have been constructing a swimming ability improvement support system. … One of the issues to be addressed is the automatic classification of swimming styles (backstroke, breaststroke, butterfly, and front crawl). … The mainstream swimming style classification technique of conventional researches is based on non-ensemble learning; …

    Journal of Advanced Computational Intelligence and Intelligent Informatics 21(4), 616-631, 2017


  • Analysis of Stroke Duration for Swimming Motion Coaching System by Using a Sensor Device  [in Japanese]

    KOBAYASHI Masahiro , NAKAI Kazufumi , EZAKI Nobuo , AKIDUKI Takuma , OMAE Yuto , KON Yoshihisa , SAKAI Kazuki , SHIONOYA Akira , TAKAHASHI Hirotaka , SAKURAI Yoshihisa , MIYAJI Chikara , NAKAI Kensei

    … <p>We are engaged in a development of swimming motion coaching system by using a sensor device. … One of the requirements of this system is the automatic swimming style classification. … We conducted an experiment to measure stroke time from college students with 7 to 20 years swimming experience. …

    The Proceedings of JSME annual Conference on Robotics and Mechatronics (Robomec) 2016(0), 2A1-11b5, 2016


  • A-15 Swimming Style Classification for Developing System of Swimming Performance and Technique Evaluation  [in Japanese]

    KON Yoshihisa , OMAE Yuto , SAKAI Kazuki , TAKAHASHI Hirotaka , AKIDUKI Takuma , MIYAJI Chikara , SAKURAI Yoshihisa , EZAKI Nobuo , NAKAI Kazuhumi

    … We are engaged on a development of a system of swimming performance and technique evaluation with the aim of enhancing the swimming level of competitive swimmers. … It evaluates performances of swimming motions (diving, strokes and turns) of a swimmer by using an underwater wireless wearable sensor attached on swimmer's waist. … This system gives feedback to a swimmer/coach at the timings: (A) real-time, (B) end of swimming and (C) after training. …

    The Proceedings of the Symposium on sports and human dynamics 2015(0), _A-15-1_-_A-15-10_, 2015


  • 115 A swimming style prediction using the chest acceleration  [in Japanese]

    OHGI Yuji , KANEDA Koichi , 高倉 昭

    … The purpose of this study was to propose a new methodology for the automatic identification and the classification of the swimmers' … kinematical information during the interval trainig on competitive swimming. … The author identified swimmer's states, such as the swimming/rest phases and the start, turn and goal touch instants by using the Ay acceleration. …

    The Proceedings of the Symposium on sports and human dynamics 2012(0), 98-103, 2012


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