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Modified distributed arithmetic based architecture for discrete wavelet transforms

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3 Author(s)
P. Longa ; Univ. of Waterloo, Waterloo ; A. Miri ; M. Bolic

A highly area-efficient multiplier-less filterbank architecture for one-and two-dimensional discrete wavelet transforms (DWT) is presented. The look-up table (LUT) structure in traditional distributed arithmetic (DA)-based filter structures has been dissolved to implement a LUT-less DA-DWT with dual filterbanks, which permits the reuse of the same circuitry for both highpass and lowpass filters.

Published in:

Electronics Letters  (Volume:44 ,  Issue: 4 )