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ITERATIVE CALIBRATION METHOD FOR A DIRECT NEURAL INTERFACE USING A MARKOV MIXTURE OF EXPERTS WITH MULTIVARIATE REGRESSION
ITERATIVE CALIBRATION METHOD FOR A DIRECT NEURAL INTERFACE USING A MARKOV MIXTURE OF EXPERTS WITH MULTIVARIATE REGRESSION
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机译:使用具有多元回归的专家马尔可夫混合的直接神经界面的迭代校准方法
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摘要
This invention relates to a method of calibrating a direct neural interface with continuous coding. The observation variable is modelled by an HMM model and the control variable is estimated by means of a Markov mixture of experts, each expert being associated with a state of the model.;During each calibration phase, the predictive model of each of the experts is trained on a sub-sequence of observation instants corresponding to the state with which it is associated, using an REW-NPLS (Recursive Exponentially Weighted N-way Partial Least Squares) regression model.;A second predictive model giving the probability of occupancy of each state of the HMM model is also trained during each calibration phase using an REW-NPLS regression method. This second predictive model is used to calculate Markov mixture coefficients during a later operational prediction phase.
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