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A new two-dimensional parallel block adaptive digital filter

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3 Author(s)
S. Kinjo ; Dept. of Electr. & Electron. Eng., Ryukyus Univ., Okinawa, Japan ; H. Ochi ; H. Kiya

Two-dimensional (2-D) adaptive digital filters (ADFs) for 2-D signal processing have become a fascinating area of the adaptive signal processing. However, conventional 2-D FIR ADF's require a lot of computations. For example, the TDLMS requires N2 multiplications per pixel. We propose a new 2-D adaptive filter using FFTs. The proposed adaptive filter has a parallel structure, thus we can reduce the computational complexity to O(log2N) per pixel

Published in:

Circuits and Systems, 1996., IEEE 39th Midwest symposium on  (Volume:2 )

Date of Conference:

18-21 Aug 1996