Noninvasive Estimation of Global Activation Sequence Using the Extended Kalman Filter

@article{Liu2011NoninvasiveEO,
  title={Noninvasive Estimation of Global Activation Sequence Using the Extended Kalman Filter},
  author={Chenguang Liu and Bin He},
  journal={IEEE Transactions on Biomedical Engineering},
  year={2011},
  volume={58},
  pages={541-549}
}
A new algorithm for 3-D imaging of the activation sequence from noninvasive body surface potentials is proposed. After formulating the nonlinear relationship between the 3-D activation sequence and the body surface recordings during activation, the extended Kalman filter (EKF) is utilized to estimate the activation sequence in a recursive way. The state vector containing the activation sequence is optimized during iteration by updating the error variance/covariance matrix. A new regularization… CONTINUE READING

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