Novel 2-D cascade ladder-lattice structure recursive digital filters
Mohamed Zitouni,
Thameur Obeidi,
Mohamed Elbar
et al.
Abstract:We present in this paper a novel cascade ladder-lattice structure of two-dimensional (2-D) recursive digital filters; this cascade based on two delay units M and N and a basic lattice section. Our new realization has a minimal number of basic lattice sections. Using a transfer function representation; the matrix representations for the basic lattice sections are proposed and used to derive the transfer functions of the realized 2-D digital lattice filters. The theory and transfer functions of the realized 2-D … Show more
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