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Finite precision design of optimal linear phase 2-D FIR digital filters

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2 Author(s)
P. Siohan ; Centre Commun. d'Etudes de Telediffusion et Telecommun., Cesson Sevigne, France ; A. Benslimane

An algorithm is proposed for the design of optimal two-dimensional finite impulse response (2-D FIR) digital filters with finite wordlength and linear phase. This algorithm associates linear programming and a branch-and-bound technique for which two strategies are compared. A large number of examples are presented which show the efficiency of the method for the design of 2-D FIR filters with different specifications and sizes, up to 9*9 in the case of a circularly symmetric contour and up to 13*13 for diamond-shaped filters. Two different types of quantization are also considered.<>

Published in:

IEEE Transactions on Circuits and Systems  (Volume:36 ,  Issue: 1 )