Documentation

Image Analysis

Decimated and nondecimated 2-D transforms, 2-D multiresolution analysis, lifting transforms, image approximation, image fusion

Functions

dyaddown Dyadic downsampling
dyadup Dyadic upsampling
upcoef2 Direct reconstruction from 2-D wavelet coefficients
appcoef2 2-D approximation coefficients
detcoef2 2-D detail coefficients
dwt2 Single-level discrete 2-D wavelet transform
dwtmode Discrete wavelet transform extension mode
idwt2 Single-level inverse discrete 2-D wavelet transform
wavedec2 Multilevel 2-D wavelet decomposition
waverec2 Multilevel 2-D wavelet reconstruction
wrcoef2 Reconstruct single branch from 2-D wavelet coefficients
upwlev2 Single-level reconstruction of 2-D wavelet decomposition
wenergy2 Energy for 2-D wavelet decomposition
ilwt2 Inverse 2-D lifting wavelet transform
iswt2 Inverse discrete stationary wavelet transform 2-D
lwt2 2-D lifting wavelet transform
lwtcoef2 Extract or reconstruct 2-D LWT wavelet coefficients
swt2 Discrete stationary wavelet transform 2-D
iswt2 Inverse discrete stationary wavelet transform 2-D
ndwt2 Nondecimated 2-D wavelet transform
indwt2 Inverse nondecimated 2-D wavelet transform
dddtreecfs Extract dual-tree/double-density wavelet coefficients or projections
dddtree2 Dual-tree and double-density 2-D wavelet transform
dtfilters Analysis and synthesis filters for oversampled wavelet filter banks
idddtree2 Inverse dual-tree and double-density 2-D wavelet transform
plotdt Plot dual-tree or double-density wavelet transform
wcodemat Extended pseudocolor matrix scaling
wfusimg Fusion of two images
wfusmat Fusion of two matrices or arrayz
measerr Approximation quality metrics
wextend Extend vector or matrix
wkeep Keep part of vector or matrix
wavemenu Wavelet Toolbox GUI tools
wavemngr Wavelet manager
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