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Implementation of 2-D denominator-separable digital filters using first-order all-pass sections (1993)

Raghuramireddy, D. ; Nie, X. ; Unbehauen, R.

Springer

Multidimensional systems and signal processing 4 (1993), S. 285-294

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ISSN: 1573-0824

Keywords: 2-D digital filters ; implementation ; all-pass expansion

Source: Springer Online Journal Archives 1860-2000

Topics: Electrical Engineering, Measurement and Control Technology

Notes: Abstract It is established that denominator-separable transfer functions which characterize an important subclass of 2-D filters can be expressed as a linear combination of first-order (1-D or 2-D separable) all-pass transfer functions with real or complex coefficients. This type of expansion is referred to as all-pass expansion of the corresponding transfer function. Based on this all-pass expansion, we derive some efficient structures for the realization of 2-D denominator-separable filters using all-pass sections.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF00985893

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