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Currently available pedometer applications on smartphones use either accelerometer or gyroscope sensors to calculate the number of steps walked. The main challenge with such individual sensor based approaches is that the accuracy can be impaired due to overlap in patterns when the phone is held in different modes, namely, hand (with and without swinging) and shirt pocket or pant pocket. This paper...
This paper presents a low-cost wearable fitness monitoring device utilizing a 6-axis Inertial Measurement Unit (IMU) embedding 3-axis gyroscope and 3-axis accelerometer. The objective is to measure the angular value form by the feet with respect to the gravitational vector while walking in order to estimate the stride length. Kalman filter is employed for the sensor fusion technique and data conditioning.
This paper presents an indoor human localization system for the visually impaired. A prototype portable device has been implemented, consisting of a pedometer and a standard white cane, on which a laser range finder and a 3-axis gyroscope have been mounted. A novel pose estimation algorithm has been developed for robustly estimating the heading and position of a person navigating in a known building...
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