Converts a nondecimated wavelet packet object to a (large) matrix with packets stored as columns
Takes a nondecimated wavelet packet transform, takes the packets one packet
at a time and stores them in a matrix. The packets are rotated on extraction
and storage in the matrix in an attempt to align them, they are also
optionally transformed by trans. The rotation is performed
by compgrot.
Note that the coefficients are of some series, not the basis functions themselves.
wpst2m(wpstobj, trans = identity)
wpstobj |
The nondecimated wavelet packet object to store |
trans |
The optional transform to apply to the coefficients |
Description says all
A list, of class w2m, with the following components:
m |
The matrix containing the packets |
level |
A vector containing the levels from where the packets in m come from |
pktix |
A vector containing the packet indices from where the packets in m come from |
nlevelsWT |
The number of resolution levels from the original wpst object |
G P Nason
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