Subject-specific Center of Mass Estimation for In-home Rehabilitation - Kinect-Wii board vs. Vicon-Force plate

Alejandro González 1, * Mitsuhiro Hayashibe 1 Philippe Fraisse 1
* Corresponding author
1 DEMAR - Artificial movement and gait restoration
LIRMM - Laboratoire d'Informatique de Robotique et de Microélectronique de Montpellier, CRISAM - Inria Sophia Antipolis - Méditerranée
Abstract : An increasingly aging society creates the need for a reliable evaluation of postural stability, specially for rehabilitation. Estimation of a subject's center of mass (CoM) is important for the assessment of unsupported, stable standing. A portable, in-home estimation of CoM can be used as a rehabilitation tool and could be achieved using a Microsoft's Kinect. To validate this approach we compare the performance of two statically equivalent serial chains. One of them was identified using a Kinect and a Wii board, while the other one was obtained from measurements performed with a motion capture system and a force plate. Their similar performance on a validation set indicates that it is feasible to perform subject specific center of mass estimation in the home environment.
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Alejandro González, Mitsuhiro Hayashibe, Philippe Fraisse. Subject-specific Center of Mass Estimation for In-home Rehabilitation - Kinect-Wii board vs. Vicon-Force plate. Pons, José L. and Torricelli, Diego and Pajaro, Marta. Converging Clinical and Engineering Research on Neurorehabilitation, 2, Springer, pp.705-709, 2012, Biosystems & Biorobotics (1), 978-9-642-34545-6. ⟨10.1007/978-3-642-34546-3_114⟩. ⟨http://www.icnr2012.org/⟩. ⟨lirmm-00734972⟩

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