Signal Analysis

Decimated and nondecimated 1-D wavelet transforms, 1-D dual-tree transforms, wavelet packets, lifting


dyaddown Dyadic downsampling
dyadup Dyadic upsampling
upcoef Direct reconstruction from 1-D wavelet coefficients
appcoef 1-D approximation coefficients
detcoef 1-D detail coefficients
wrcoef Reconstruct single branch from 1-D wavelet coefficients
dwt Single-level discrete 1-D wavelet transform
dwtmode Discrete wavelet transform extension mode
idwt Single-level inverse discrete 1-D wavelet transform
waverec Multilevel 1-D wavelet reconstruction
wavedec Multilevel 1-D wavelet decomposition
upwlev Single-level reconstruction of 1-D wavelet decomposition
lwt 1-D lifting wavelet transform
lwtcoef Extract or reconstruct 1-D LWT wavelet coefficients
ilwt Inverse 1-D lifting wavelet transform
modwt Maximal overlap discrete wavelet transform
imodwt Inverse maximal overlap discrete wavelet transform
modwtmra Multiresolution analysis based on MODWT
modwtcorr Multiscale correlation using the maximal overlap discrete wavelet transform
modwtvar Multiscale variance of maximal overlap discrete wavelet transform
modwtxcorr Wavelet cross-correlation sequence estimates using the maximal overlap discrete wavelet transform (MODWT)
modwpt Maximal overlap discrete wavelet packet transform
imodwpt Inverse maximal overlap discrete wavelet packet transform
modwptdetails Maximal overlap discrete wavelet packet transform details
swt Discrete stationary wavelet transform 1-D
iswt Inverse discrete stationary wavelet transform 1-D
dddtree Dual-tree and double-density 1-D wavelet transform
dddtreecfs Extract dual-tree/double-density wavelet coefficients or projections
dtfilters Analysis and synthesis filters for oversampled wavelet filter banks
idddtree Inverse dual-tree and double-density 1-D wavelet transform
plotdt Plot dual-tree or double-density wavelet transform
wenergy Energy for 1-D wavelet or wavelet packet decomposition
wvarchg Find variance change points
wmaxlev Maximum wavelet decomposition level
wfbm Fractional Brownian motion synthesis
wfbmesti Parameter estimation of fractional Brownian motion
measerr Approximation quality metrics
wrev Flip vector
wextend Extend vector or matrix
wkeep Keep part of vector or matrix
wavemenu Wavelet Toolbox GUI tools
wavemngr Wavelet manager
wpdec Wavelet packet decomposition 1-D
wprec Wavelet packet reconstruction 1-D
wpcoef Wavelet packet coefficients
wprcoef Reconstruct wavelet packet coefficients
bestlevt Best level tree wavelet packet analysis
besttree Best tree wavelet packet analysis
wentropy Entropy (wavelet packet)
plot Plot tree GUI
wpspectrum Wavelet packet spectrum
depo2ind Node depth-position to node index
wpsplt Split (decompose) wavelet packet
wpjoin Recompose wavelet packet
ind2depo Node index to node depth-position
otnodes Order terminal nodes of binary wavelet packet tree
dwtmode Discrete wavelet transform extension mode
entrupd Entropy update (wavelet packet)
wpviewcf Plot wavelet packets colored coefficients
wpfun Wavelet packet functions
cfs2wpt Wavelet packet tree construction from coefficients
wp2wtree Extract wavelet tree from wavelet packet tree
wpcutree Cut wavelet packet tree
write Write values in WPTREE fields
read Read values of WPTREE
readtree Read wavelet packet decomposition tree from figure
set WPTREE field contents
tnodes Determine terminal nodes
wptree WPTREE constructor
disp WPTREE information
drawtree Draw wavelet packet decomposition tree (GUI)
dtree DTREE constructor
allnodes Tree nodes
get WPTREE contents
isnode Existing node test
istnode Terminal nodes indices test
leaves Determine terminal nodes
nodeasc Node ascendants
nodedesc Node descendants
nodejoin Recompose node
nodepar Node parent
nodesplt Split (decompose) node
noleaves Determine nonterminal nodes
ntnode Number of terminal nodes
ntree NTREE constructor
treedpth Tree depth
treeord Tree order
wtbo WTBO constructor
wtreemgr NTREE manager

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