Robust Kalman Filter
The Robust Kalman Filter is an extension of the classical Kalman filter designed to maintain reliable state estimation when observations or process noise depart from the Gaussian assumption — particularly when data contain outliers, heavy-tailed distributions, or gross errors. By replacing or downweighting the standard least-squares update with influence-limited or M-estimation-based corrections, it prevents a single anomalous measurement from distorting the entire state estimate.
Source record
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- Kalman, R. E. (1960). A new approach to linear filtering and prediction problems. Journal of Basic Engineering, 82(1), 35-45. · DOI 10.1115/1.3662552
- Huber, P. J. & Ronchetti, E. M. (2011). Robust Statistics (2nd ed.). Wiley. · ISBN 978-0470129906
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