| Wavelet Toolbox | |
Detailed descriptions of all Wavelets Toolbox functions are in these two sections:
Functions - By Category
Graphical User Interface Tools
wavemenuStart graphical user interface tools.
General Wavelet Functions
biorfiltBiorthogonal wavelet filter set.
centfrqWavelet center frequency.
dyaddownDyadic downsampling.
dyadupDyadic upsampling.
intwaveIntegrate wavelet function psi.
orthfiltOrthogonal wavelet filter set.
qmfQuadrature mirror filter.
scal2frqScale to frequency.
wavefunWavelet and scaling functions.
wavefun2Wavelet and scaling functions 2-D.
wavemngrWavelet manager.
wfiltersWavelet filters.
wmaxlevMaximum wavelet decomposition level.
Wavelet Families
biorwavfBiorthogonal spline wavelet filters.
cgauwavfComplex Gaussian wavelet.
cmorwavfComplex Morlet wavelet.
coifwavfCoiflet wavelet filter.
dbauxDaubechies wavelet filter computation.
dbwavfDaubechies wavelet filter.
fbspwavfComplex frequency B-Spline wavelet.
gauswavfGaussian wavelet.
mexihatMexican hat wavelet.
meyerMeyer wavelet.
meyerauxMeyer wavelet auxiliary function.
morletMorlet wavelet.
rbiowavfReverse biorthogonal spline wavelet filters.
shanwavfComplex Shannon wavelet.
symauxSymlet wavelet filter computation.
symwavfSymlet wavelet filter.
Continuous Wavelet: One-Dimensional
cwtReal or complex continuous wavelet coefficients 1-D.
Discrete Wavelets: One-Dimensional
appcoefExtract 1-D approximation coefficients.
detcoefExtract 1-D detail coefficients.
dwtSingle-level discrete 1-D wavelet transform.
dwtmodeDiscrete wavelet transform extension mode.
idwtSingle-level inverse discrete 1-D wavelet transform.
upcoefDirect reconstruction from 1-D wavelet coefficients.
upwlevSingle-level reconstruction of 1-D wavelet decomposition.
wavedecMultilevel 1-D wavelet decomposition.
waverecMultilevel 1-D wavelet reconstruction.
wenergyEnergy for wavelet 1-D decomposition.
wrcoefReconstruct single branch from 1-D wavelet coefficients.
Discrete Wavelets: Two-Dimensional
appcoef2Extract 2-D approximation coefficients.
detcoef2Extract 2-D detail coefficients.
dwt2Single-level discrete 2-D wavelet transform.
dwtmodeDiscrete wavelet transform extension mode.
idwt2Single-level inverse discrete 2-D wavelet transform.
upcoef2Direct reconstruction from 2-D wavelet coefficients.
upwlev2Single-level reconstruction of 2-D wavelet decomposition.
wavedec2Multilevel 2-D wavelet decomposition.
waverec2Multilevel 2-D wavelet reconstruction.
wenergy2Energy for wavelet 2-D decomposition.
wrcoef2Reconstruct single branch from 2-D wavelet coefficients.
Wavelet Packet Algorithms
bestlevtBest level tree (wavelet packet).
besttreeBest tree (wavelet packet).
entrupdEntropy update (wavelet packet).
wenergyEnergy for a wavelet packet decomposition.
wentropyEntropy (wavelet packet).
wp2wtreeExtract wavelet tree from wavelet packet tree.
wpcoefWavelet packet coefficients.
wpcutreeCut wavelet packet tree.
wpdecWavelet packet decomposition 1-D.
wpdec2Wavelet packet decomposition 2-D.
wpfunWavelet packet functions.
wpjoinRecompose wavelet packet.
wprcoefReconstruct wavelet packet coefficients.
wprecWavelet packet reconstruction 1-D.
wprec2Wavelet packet reconstruction 2-D.
wpspltSplit (decompose) wavelet packet.
Discrete Stationary Wavelet Transform Algorithms
iswtInverse discrete stationary wavelet transform 1-D.
iswt2Inverse discrete stationary wavelet transform 2-D.
swtDiscrete stationary wavelet transform 1-D.
swt2Discrete stationary wavelet transform 2-D.
De-Noising and Compression for Signals/ Images
ddencmpDefault values for de-noising or compression.
thselectThreshold selection for de-noising.
wbmpenPenalized threshold for wavelet 1-D or 2-D de-noising.
wdcbmThresholds for wavelet 1-D using Birge-Massart strategy.
wdcbm2Thresholds for wavelet 2-D using Birge-Massart strategy.
wdenAutomatic 1-D de-noising using wavelets.
wdencmpDe-noising or compression using wavelets.
wnoiseGenerate noisy wavelet test data.
wnoisestEstimate noise of 1-D wavelet coefficients.
wpbmpenPenalized threshold for wavelet packet de-noising.
wpdencmpDe-noising or compression using wavelet packets.
wpthcoefWavelet packet coefficients thresholding.
wthcoefWavelet coefficient thresholding 1-D.
wthcoef2Wavelet coefficient thresholding 2-D.
wthreshPerform soft or hard thresholding.
wthrmngrThreshold settings manager.
Tree Management Utilities
allnodesTree nodes.
cfs2wptWavelet packet tree construction from coefficients.
depo2indNode depth-position to node index.
dispDisplay information of WPTREE object.
drawtreeDraw wavelet packet decomposition tree (GUI).
dtreeConstructor for the class DTREE.
getGet tree object field contents.
ind2depoNode index to node depth-position.
isnodeTrue for existing node.
istnodeDetermine indices of terminal nodes.
leavesDetermine terminal nodes.
nodeascNode ascendants.
nodedescNode descendants.
nodejoinRecompose node.
nodeparNode parent.
nodespltSplit (decompose) node.
noleavesDetermine nonterminal nodes.
ntnodeNumber of terminal nodes.
ntreeConstructor for the class NTREE.
plotPlot tree object.
readRead values in tree object fields.
readtreeRead wavelet packet decomposition tree from a figure.
setSet tree object field contents.
tnodesDetermine terminal nodes.
treedpthTree depth.
treeordTree order.
wptreeConstructor for the class WPTREE.
wpviewcfPlot wavelet packets colored coefficients.
writeWrite values in tree object fields.
wtboConstructor for the class WTBO.
wtreemgrNTREE object manager.
General Utilities
wcodematExtended pseudocolor matrix scaling.
wextendExtend a vector or a matrix.
wkeepKeep part of a vector or a matrix.
wrevFlip vector.wtbxmngrWavelet toolbox manager.
Miscellaneous Functions and Demos
wvarchgFind variance change points.
waveinfoInformation on wavelets.
wavedemoWavelet toolbox demos.
Obsolete Functions
| | After Adding a New Wavelet Family | Functions - Alphabetical List | |