Journal
SENSORS
Volume 13, Issue 5, Pages 5614-5629Publisher
MDPI
DOI: 10.3390/s130505614
Keywords
gait analysis; inertial navigation system; inertial sensors; computer vision; Kalman filter
Funding
- University of Ulsan
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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.
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