Locally Stationary Two-Dimensional Wavelet Process Estimation Scheme

[Up] [Top]

Documentation for package ‘LS2W’ version 1.3.6

Help Pages

LS2W-package Estimates the locally stationary wavelet spectrum for locally stationary 2-D wavelets processes
A Examples of textured images
A2name Return a D2Amat list object style name.
AvBasis.wst2D Perform basis averaging for (packet-ordered) 2D non-decimated wavelet transform.
B Examples of textured images
C Examples of textured images
cddews Compute the local wavelet spectrum estimate
cdtoimwd Convert a cddews type object to an imwd type object
convertimwd Convert a non-decimated imwd object to a wst2D object.
D1Amat Inner product matrix of ac wavelets(1-D)
D2ACW Compute 2-D discrete autocorrelation wavelets.
D2ACWmat Compute 2-D discrete autocorrelation wavelets but return in array form.
D2ACWmat.d Compute 2-D discrete autocorrelation wavelets but return in array form.
D2ACWmat.l Compute 2-D discrete autocorrelation wavelets but return in array form.
D2Amat Creates the A matrix required for analysing LS2W processes.
D2autoplot Plots a two-dimensional autocorrelation wavelet.
DWEnv Environment containing precomputed objects.
example.ls2w Example of how the LS2W package can be used in texture analysis
getdata Extracts detail coefficients from imwd object
Haar2MA.diag Generate 2-D Haar MA process (diagonal/vertical/horizontal direction).
Haar2MA.horiz Generate 2-D Haar MA process (horizontal direction).
Haar2MA.vert Generate 2-D Haar MA process (vertical direction).
HaarMontage Generate a 2-D Haar MA process.
imwd Two-dimensional wavelet transform (decomposition).
imwr.imwd Inverse two-dimensional discrete wavelet transform.
LS2W Estimates the locally stationary wavelet spectrum for locally stationary 2-D wavelets processes
LS2Wsim Generic method for simulation of LS2W processes
LS2Wsim.cddews Simulate an LS2W process with underlying Daubechies wavelet.
packetj Converts an imwd object to a wst2D object at a given level.
Phi1Dname Return a PhiJ list object style name.
PhiJ Compute discrete autocorrelation scaling function.
print.cddews Print out information about a cddews object in readable form.
Psi1Dname Return a PsiJ list object style name.
Psi2Dname Return a D2ACW list object style name.
PsiJ Compute discrete autocorrelation wavelets.
sample.stats A function to calculate sample statistics for textured images using LS2W
specplot Plot the LWP associated with a cddews object
summary.cddews Use summary on a cddews object
threshold.imwd Threshold two-dimensional wavelet decomposition object