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A new additive decomposition approach for 2-D IIR filters

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2 Author(s)
G. A. Lampropoulos ; Dept. of Genie Electr., Laval Univ., Ste. Foy, Que., Canada ; A. N. Venetsanopoulos

A new additive decomposition technique is proposed for two-dimensional (2-D) infinite impulse response (IIR) filters. This approach results in lower-order rational z-domain transfer functions. The decomposition is achieved by a nonlinear optimization technique. A numerical example demonstrates the high numerical accuracy of the achieved results

Published in:

IEEE Transactions on Circuits and Systems  (Volume:37 ,  Issue: 6 )