Three-dimensional wavelet object
These are objects of classes
wd3D
They contain the 3D discrete wavelet transform of a 3D array (with each dimension being the same dyadic size).
The following components must be included in a legitimate ‘wd’ object.
a |
a three-dimensional array containing the 3D discrete wavelet coefficients. The coefficients are stored in a pyramid structure for efficiency. |
nlevelsWT |
The number of levels in the pyramidal decomposition that produces the coefficients. If you raise 2 to the power of nlevels you get the number of data points used in each dimension of the decomposition. |
filter.number |
the number of the wavelet family that did the DWT. |
family |
the family of wavelets that did the DWT. |
date |
the date that the transform was computed. |
This class of objects is returned from the wd3D function to represent a three-dimensional DWT of a 3D array. Other functions return an object of class wd3D.
Version 3.9.6 Copyright Guy Nason 1997
G P Nason
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