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Comparing 2-D recursive and nonrecursive least-square-error approximation filters

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2 Author(s)
G. Shaw ; Georgia Institute of Technology, Atlanta, Georgia ; R. Mersereau

Seventy-two 2-D recursive and nonrecursive filters of varying order are designed to approximate, in the least-squares sense, four circularly-symmetric unit-pulse responses, corresponding to four lowpass filters. The approximation error obtained for a given number of filter coefficients is then used as the basis for comparing the efficiency of the designed 2-D recursive and nonrecursive filters.

Published in:

Acoustics, Speech, and Signal Processing, IEEE International Conference on ICASSP '80.  (Volume:5 )

Date of Conference:

Apr 1980