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- W1581361657 abstract "An efficient method is presented for the design of a class of 2-D recursive digital filters with separable denominators and non-separable numerator transfer functions. Two 1-D analog filters in s/sub 1/ and s/sub 2/ variables are designed to meet the specification along omega /sub 1/ and omega /sub 2/ axes using analog filter theory and then discretized by the application of a double bilinear transformation. The resulting 2-D filter has a rectangular cutoff boundary. This separable product 2-D filter is then cascaded by a 2-D FIR filter. Coefficients of this 2-D FIR filter can then be determined through minimization of an objective function so that the desired magnitude specification is obtained. This transfer function is realized using a least sensitive structure described in this work. An example is given to illustrate the usefulness of the proposed technique. >" @default.
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- W1581361657 date "2002-12-04" @default.
- W1581361657 modified "2023-09-25" @default.
- W1581361657 title "Realization structure for a class of 2D recursive digital filters with circular symmetric response" @default.
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- W1581361657 doi "https://doi.org/10.1109/mwscas.1990.140909" @default.
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