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Inertial Sensor-Based Two Feet Motion Tracking for Gait Analysis
Department of Electrical Engineering, University of Ulsan, Namgu, Ulsan 680-749, Korea
* Author to whom correspondence should be addressed.
Received: 5 March 2013; in revised form: 19 April 2013 / Accepted: 20 April 2013 / Published: 29 April 2013
Abstract: Two feet motion is estimated for gait analysis. An inertial sensor is attached on each shoe and an inertial navigation algorithm is used to estimate the movement of both feet. To correct inter-shoe position error, a camera is installed on the right shoe and infrared LEDs are installed on the left shoe. The proposed system gives key gait analysis parameters such as step length, stride length, foot angle and walking speed. Also it gives three dimensional trajectories of two feet for gait analysis.
Keywords: gait analysis; inertial navigation system; inertial sensors; computer vision; Kalman filter
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Cite This Article
MDPI and ACS Style
Hung, T.N.; Suh, Y.S. Inertial Sensor-Based Two Feet Motion Tracking for Gait Analysis. Sensors 2013, 13, 5614-5629.
Hung TN, Suh YS. Inertial Sensor-Based Two Feet Motion Tracking for Gait Analysis. Sensors. 2013; 13(5):5614-5629.
Hung, Tran N.; Suh, Young S. 2013. "Inertial Sensor-Based Two Feet Motion Tracking for Gait Analysis." Sensors 13, no. 5: 5614-5629.