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There has been an increasing demand for infrastructureless localization. Current approaches involving inertial measurement unit (IMU) generally utilize step detection and step counting to estimate the displacement. However, the accuracy is affected, because the step sizes are neglected. Some groups have proposed algorithms that involve placing the IMU on the foot to estimate the step size, but users...
This paper presents a new method to estimate 2D displacement based on the step-and-heading algorithm for three indoor motion modes: walking, jogging and running. Inertial measurement unit (IMU) is utilized for heading estimation based on indirect Kalman filter and for step detection as well. The IMU is placed at the lower back and an inverted pendulum is exploited to model the walking pattern, and...
This paper proposes a new design of gesture controlled MP3 player method based on triaxial accelerometer MMA7260, and in program applying the matching algorithm —using shaking times to match the operation instructions. The experimental results shows that the design can make MP3 player play, stop, play back, play forward and so on.
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