Abstract

By minimizing a quadratic measure of the error in the passband and stopband, a two-dimensional (2-D) diamond-shaped finite-duration impulse response (FIR) digital filter is designed for sampling structure conversion by genetic algorithm (GA) approach. This method is very easy to incorporate the frequency-domain constraints such that the design difficulty inherent to sampling conversion filters can be effectively solved. Several numerical design examples and simulation with test pictures are presented to demonstrate the effectiveness of this proposed approach.

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