Dual Kalman Filtering Methods for Nonlinear Prediction, Smoothing and Estimation. - Eric A. Wan; Alex T. Nelson (NIPS, 1996)

Neural speech enhancement using dual extended Kalman filtering. - Alex T. Nelson; Eric A. Wan (ICNN, 1997)

Removal of noise from speech using the dual EKF algorithm. - Eric A. Wan; Alex T. Nelson (ICASSP, 1998)

Dual Estimation and the Unscented Transformation. - Eric A. Wan; Rudolph van der Merwe; Alex T. Nelson (NIPS, 1999)

Noise Reduction for Heart Sounds Using a Modified Minimum-Mean Squared Error Estimator with ECG Gating. - Anindya Sao Paul; Eric A. Wan; Alex T. Nelson (EMBC, 2006)