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Adaptive wave digital fan filters

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3 Author(s)
Tan, A.C. ; Dept. of Electr. Eng., Fairleigh Dickinson Univ., Teaneck, NJ, USA ; Sheng-Tsai Chen ; Basu, S.

Adaptive two-dimensional (2-D) fan filters based on least mean square algorithm and 2-D wave digital filter structure are presented. The weight updating equations as well as the equations for computing the gradient components of signals in two-dimensional wave digital filter adaptors are derived and specifically applied to wave digital quadrant and narrowband fan filters. Computer simulations are also conducted to show their potential applications to 2-D system identification and noise cancellation in noisy images

Published in:

Acoustics, Speech, and Signal Processing, 1994. ICASSP-94., 1994 IEEE International Conference on  (Volume:vi )

Date of Conference:

19-22 Apr 1994