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Design of Multiplierless 2D StateSpace Digital Filters over a PowersofTwo Coefficient Space
YoungHo LEE Masayuki KAWAMATA Tatsuo HIGUCHI
Publication
IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Vol.E79A
No.3
pp.374377 Publication Date: 1996/03/25 Online ISSN:
DOI: Print ISSN: 09168508 Type of Manuscript: Special Section LETTER (Special Section of Selected Papers from the 8th Karuizawa Workshop on Circuits and Systems) Category: Keyword: multiplierless 2D statespace digital filters, powersoftwo, genetic algorithm, highspeed operation,
Full Text: PDF(313.3KB)>>
Summary:
This letter presents an efficient design method of multiplierless 2D statespace digital filters (SSDFs) based on a genetic algorithm. The resultant multiplierless 2D SSDFs, whose coefficients are represented as the sum of two powersoftwo terms, are attractive for highspeed operation and simple implementation. The design problem of multiplierless 2D SSDFs described by Roesser's local statespace model is formulated subject to the constraint that the resultant filters are stable. To ensure the stability for the resultant 2D SSDFs, a stability test routine is embedded in th design procedure.

