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Design of 2-dimensional recursive digital filters

Design of 2-dimensional recursive digital filters

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A method is proposed for designing 2-dimensional recursive digital filters with circular symmetry and zero phase. The method is based on transformations of the squared magnitude function of a 1-dimensional digital filter and on the stabilisation of the resulting digital filter. Design results are given.

References

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      • Digital signal processing. Proc. Inst. Elec. Electron. Eng.
    2. 2)
      • G.A. Maria , M.M. Fahmy . An Lp design technique for two-dimensional digital recursive filters. IEEE Trans. , 15 - 21
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      • D.E. Dudgeon . Two-dimensional recursive filters design using differential correction. IEEE Trans. , 264 - 267
    4. 4)
      • McClellan, J.H.: `The design of two-dimensional digital filters by transformations', Proceedings of 7th annual princeton conference on information sciences and systems, 1973, p. 247–251.
    5. 5)
      • P. Pistor . Stability criterion for recursive filters. IBM J. Res. & Dev. , 59 - 71
    6. 6)
      • T.S. Huang . Stability of two-dimensional recursive filters. IEEE Trans. , 158 - 163
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