Previous papers of mine have discussed the approximation of 2-D digital filter coefficients with algebraic sums of integer powers of the base in a logarithmic number system. The results already obtained suggest a sequential memory-oriented realisation which is faster than the standard implementation.
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http://iet.metastore.ingenta.com/content/journals/10.1049/el_19830307
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content/journals/10.1049/el_19830307
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