Four-band paraunitary filter bank with integer-to-integer quaternionic multiplier

M Parfieniuk,A Petrovsky

doi:10.1109/eurcon.2005.1629867

Four-band paraunitary filter bank with integer-to-integer quaternionic multiplier

M Parfieniuk, A Petrovsky

https://doi.org/10.1109/eurcon.2005.1629867

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Publication Date: Jan 1, 2005

Citations: 1

Affiliation: Bialystok University of Technology

#Quaternionic Lattice #Structure For Filter Banks + Show 8 more

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Abstract

An alternative structure for 4-channel paraunitary filter banks is derived. Integer-to-integer mapping is obtained using lifting schemes for quaternionic multipliers. The lifting decompositions are optimized to have coefficients of fractional magnitude. Numerical properties of the developed ladder structure are evaluated empirically to relate it to the known quaternionic lattice

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