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

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1 Author(s)
G. E. Antoniou ; Dept. of Comput. Sci., Montclair State Univ., NJ, USA

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.

Published in:

IEEE Signal Processing Letters  (Volume:8 ,  Issue: 1 )