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Two-dimensional FIR digital filters designed to arbitrary group-delay specifications

Two-dimensional FIR digital filters designed to arbitrary group-delay specifications

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© The Institution of Electrical Engineers
Published

The letter describes a method for designing 2-dimensional FIR digital filters to an arbitrary group-delay, as well as gain, specification. Examples are given of filters designed using this approach.

Inspec keywords: two-dimensional digital filters

Other keywords: arbitrary group-delay specifications; design method; 2-dimensional FIR digital filters; gain

Subjects: Digital filters; Digital filters

References

    1. 1)
      • E. Sharestani , L.G. Cuthbert . FIR digital filters designed to a group-delay characteristic. Electron. Lett. , 542 - 544
    2. 2)
      • G.A. Lampropoulos , M.M. Fahmy . A new technique for the design of two-dimensional FIR and IIR filters. IEEE Trans. , 268 - 279
    3. 3)
      • J.C. Nash . (1979) , Compact numerical methods for computers: linear algebra and functional minimisation.
    4. 4)
      • T.S. Huang , J.W. Burnett , A.G. Deczky . The importance of phase in image processing filters. IEEE Trans. , 529 - 544
    5. 5)
      • M. A-Razzak , L.G. Cuthbert . Two-dimensional non-recursive digital filters designed to arbitrary phase specifications. IEE J. Electron. Circuits & Syst. , 219 - 224
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