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- W4240773592 abstract "In this contribution, we propose an efficient nonlinear analysis method characterizing postural steadiness. The analyzed signal is the displacement of the centre of pressure (COP) collected from a force plate used for measuring postural sway. The proposed method consists of analyzing the nonlinear dynamics of the intrinsic mode functions (IMF) of the COP signal. The nonlinear properties are assessed through the reconstructed phase spaces of the different IMFs. This study shows some specific geometries of the attractors of some intrinsic modes. Moreover, the volume spanned by the geometric attractors in the reconstructed phase space represents an efficient indicator of the postural stability of the subject. Experiments results corroborate the effectiveness of the method to blindly discriminate young subjects, elderly subjects and subjects presenting a risk of falling" @default.
- W4240773592 created "2022-05-12" @default.
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- W4240773592 date "2006-08-01" @default.
- W4240773592 modified "2023-09-30" @default.
- W4240773592 title "Reconstructed Phase Spaces of Intrinsic Mode Functions. Application to Postural Stability Analysis" @default.
- W4240773592 doi "https://doi.org/10.1109/iembs.2006.4398473" @default.
- W4240773592 hasPublicationYear "2006" @default.
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