Device Attitude and Real-Time 3D Visualization: An Interface for Elderly Care
Résumé
This paper proposes an innovative graphical user
interface to visualize the attitude of a sensing device in a three-
dimensional space, serving a wide-range of medical applications.
Based on inertial measurement units (IMU) or on Magnetic, Angular
Rate and Gravity sensors (MARG), the proposed tool estimates Euler
angles using a predefined attitude filter to display the orientation of
the device relative to the Earth frame in real-time. The device is
schematized by linking six polygonal regions, and is subject to
sequential rotations by updating the graph each 350 ms. Two public
datasets were used to demonstrate the value of this contribution in
fall risk assessment and body posture monitoring for elderly care
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