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Explicit formulae for coefficients of 2D circular symmetric MAXFLAT FIR low/high pass digital filters
Journal article   Peer reviewed

Explicit formulae for coefficients of 2D circular symmetric MAXFLAT FIR low/high pass digital filters

I Khan and R Ohba
Electronics letters, Vol.37(24), pp.1-1
22/11/2001

Abstract

Circularity Digital filters High pass filters Impulse response Transformations Two dimensional
A transformation method to convert rectangular symmetric two dimensional (2D) lowpass FIR digital filters to circular symmetric filters is presented. Based on this method, new designs of circular symmetric low/high pass filters are obtained. These designs have explicit formulae for impulse response coefficients and are much simpler than the existing designs.

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