Hierarchical Kalman Filter
The Hierarchical Kalman Filter (HKF) extends the classic Kalman filter to systems with multiple levels or scales of state representation. It applies Kalman recursions at each level of a hierarchy — from coarse to fine resolution or from global to local subsystems — and passes information across levels via upward and downward sweeps, producing optimal linear state estimates throughout a structured state-space.
Source record
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- Chou, K. C., Willsky, A. S., & Benveniste, A. (1994). Multiscale recursive estimation, data fusion, and regularization. IEEE Transactions on Automatic Control, 39(3), 464–478. · DOI 10.1109/9.280746
- Sarkka, S. (2013). Bayesian Filtering and Smoothing. Cambridge University Press. · ISBN 978-1107619289
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