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Wavelab Toolbox >> Wavelab Toolbox > Bi-Orthogonal Wavelet Transform tools > DownDyad_SBS

DownDyad_SBS

Symmetric Downsampling operator

Calling Sequence

[beta,alpha] = DownDyad_SBS(x,qmf,dqmf)

Parameters

Inputs:

x :

1-d signal at fine scale

qmf :

quadrature mirror filter

dqmf:

dual quadrature mirror filter

Outputs:

beta :

coarse coefficients

alpha:

fine coefficients

See also

Authors

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