2-D lattice discrete filters: minimal delay and state space realization

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Abstract

A circuit realization is presented for two-dimensional (2-D) lattice discrete filters. The number of delay elements is minimal. Based on this circuit realization, the corresponding state space realization is derived. The matrices A, b, c′, and the scalar d of the 2-D state space model are presented in generalized form. The dimension of the 2-D state space vector is minimal, and the corresponding transfer function is characterized by the all-pass property.

Original languageEnglish
Pages (from-to)23-25
Number of pages3
JournalIEEE Signal Processing Letters
Volume8
Issue number1
DOIs
StatePublished - 1 Jan 2001

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