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Fourier reconstruction technique is found to be applicable to the design of circularly symmetric two-dimensional (2-D) FIR digital filters. The algorithm is simple, straightforward, and practical. An even size (2n × 2n) filter can also be designed easily. Comparisons are presented between the Fourier reconstruction method and other algorithms.
Acoustics, Speech and Signal Processing, IEEE Transactions on (Volume:30 , Issue: 3 )
Date of Publication: Jun 1982