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Fast realisation of 2-D digital filters using logarithmic number systems

Fast realisation of 2-D digital filters using logarithmic number systems

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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.

References

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      • C.F. Kurth , K.J. Bures , P.R. Gagnon , M.H. Etzel . A per-channel, memory-oriented transmultiplexer with logarithmic processing. IEEE Trans. , 1520 - 1527
    3. 3)
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      • S.C. Lee , A.D. Edgar . The focus number system. IEEE Trans. , 1167 - 1170
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      • G.L. Sicuranza . 2-D digital filters using logarithmic number systems. Electron. Lett. , 854 - 855
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      • G.L. Sicuranza . On efficient implementations of 2-D digital filters using logarithmic number systems. IEEE Trans.
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