matlab小波分解及小波包分解函数
Wavelet Toolbox GUI (Graphical User Interface).
waveletAnalyzer - Start Wavelet Analyzer graphical user interface tools
Wavelets: General
biorfilt - Biorthogonal wavelet filter set
centfrq - Wavelet center frequency
dyaddown - Dyadic downsampling
cwtfilterbank - CWT filter bank
dwtfilterbank - DWT filter bank
dyadup - Dyadic upsampling
intwave - Integrate wavelet function psi
orthfilt - Orthogonal wavelet filter set
qmf - Quadrature mirror filter
scal2frq - Scale to frequency
wavefun - Wavelet and scaling functions
wavefun2 - Wavelets and scaling functions 2-D
wavemngr - Wavelet manager
wfilters - Wavelet filters
wmaxlev - Maximum wavelet decomposition level
Wavelet Families
biorwavf - Biorthogonal spline wavelet filters
cgauwavf - Complex Gaussian wavelet
cmorwavf - Complex Morlet wavelet
coifwavf - Coiflet wavelet filter
dbaux - Daubechies wavelet filter computation
dbwavf - Daubechies wavelet filters
fbspwavf - Complex Frequency B-Spline wavelet
fejerkorovkin - Fejer-Korovkin wavelet filters
gauswavf - Gaussian wavelet
mexihat - Mexican Hat wavelet
meyer - Meyer wavelet
meyeraux - Meyer wavelet auxiliary function
morlet - Morlet wavelet
rbiowavf - Reverse Biorthogonal spline wavelet filters
shanwavf - Complex Shannon wavelet
symaux - Symlet wavelet filter computation
symwavf - Symlet wavelet filter
Time-Frequency Analysis/Synthesis
cqt - Constant-Q transform using nonstationary Gabor frames
icqt - Inverse constant-q transform using nonstationary Gabor frames
cwtft - Continuous wavelet transform using DFT
cwtftinfo - Information on wavelets for CWTFT
cwtfreqbounds - CWT maximum and minimum period or frequency
cwt - Continuous wavelet transform
icwt - Inverse continuous wavelet transform
pat2cwav - Construction of a wavelet starting from a pattern
wcoherence - Wavelet coherence
wsst - Wavelet synchrosqueezing transform
iwsst - Inverse wavelet synchrosqueezing transform
wsstridge - Time-frequency ridges from wavelet synchrosqueezing
wtmm - Wavelet transform modulus maxima
cwtfilterbank - CWT filter bank
wscalogram - Scalogram for continuous wavelet transform
Continuous Wavelet: Two-Dimensional
cwtft2 - 2-D Continuous wavelet transform
cwtftinfo2 - Information on wavelets for CWTFT2
Discrete Wavelets: One-Dimensional
appcoef - Extract 1-D approximation coefficients
detcoef - Extract 1-D detail coefficients
dwt - Single-level discrete 1-D wavelet transform
dwtfilterbank - DWT filter bank
dwtmode - Discrete wavelet transform extension mode
idwt - Single-level inverse discrete 1-D wavelet transform
haart - Haar 1-D transform
ihaart - Inverse Haar 1-D transform
upcoef - Direct reconstruction from 1-D wavelet coefficients
upwlev - Single-level reconstruction of 1-D wavelet decomposition
wavedec - Multilevel 1-D wavelet decomposition
waverec - Multilevel 1-D wavelet reconstruction
wenergy - Energy for 1-D wavelet decomposition
wrcoef - Reconstruct single branch from 1-D wavelet coefficients
Maximal Overlap Discrete Wavelet Transform
modwt - Maximal overlap discrete wavelet transform
imodwt - Inverse maximal overlap discrete wavelet transform
modwtmra - Maximal overlap discrete wavelet transform MRA
modwtcorr - Maximal overlap discrete wavelet transform correlation
modwtvar - Maximal overlap discrete wavelet transform variance
modwtxcorr - Maximal overlap discrete wavelet transform cross-correlation sequences
Maximal Overlap Discrete Wavelet Packet Transform
modwpt - Maximal overlap discrete wavelet packet transform
imodwpt - Inverse maximal overlap discrete wavelet packet transform
modwptdetails - Maximal overlap discrete wavelet packet details
Multiscale Local Polynomial Transform: One-Dimensional
mlpt - Multiscale local polynomial transform
imlpt - Inverse multiscale local polynomial transform
mlptrecon - Multiscale 1-D Local Polynomial Transform Reconstruction
mlptdenoise - Denoising using the Multiscale local 1-D Polynomial Transform
Discrete Wavelets: Two-Dimensional
appcoef2 - Extract 2-D approximation coefficients
detcoef2 - Extract 2-D detail coefficients
dwt2 - Single-level discrete 2-D wavelet transform
dwtmode - Discrete wavelet transform extension mode
haart2 - Haar 2-D transform
idwt2 - Single-level inverse discrete 2-D wavelet transform
ihaart2 - Inverse Haar 2-D transform
upcoef2 - Direct reconstruction from 2-D wavelet coefficients
upwlev2 - Single-level reconstruction of 2-D wavelet decomposition
wavedec2 - Multi-level 2-D wavelet decomposition
waverec2 - Multi-level 2-D wavelet reconstruction
wenergy2 - Energy for 2-D wavelet decomposition
wrcoef2 - Reconstruct single branch from 2-D wavelet coefficients
Discrete Wavelets: Three-Dimensional
dwt3 - Single-level discrete 3-D wavelet transform
dwtmode - Discrete wavelet transform extension mode
idwt3 - Single-level inverse discrete 2-D wavelet transform
wavedec3 - Multi-level 3-D wavelet decomposition
waverec3 - Multi-level 3-D wavelet reconstruction
Wavelets Packets Algorithms
bestlevt - Best level tree (wavelet packet)
besttree - Best tree (wavelet packet)
entrupd - Entropy update (wavelet packet)
wenergy - Energy for a wavelet packet decomposition
wentropy - Entropy (wavelet packet)
wp2wtree - Extract wavelet tree from wavelet packet tree
wpcoef - Wavelet packet coefficients
wpcutree - Cut wavelet packet tree
wpdec - Wavelet packet decomposition 1-D
wpdec2 - Wavelet packet decomposition 2-D
wpfun - Wavelet packet functions
wpjoin - Recompose wavelet packet
wprcoef - Reconstruct wavelet packet coefficients
wprec - Wavelet packet reconstruction 1-D
wprec2 - Wavelet packet reconstruction 2-D
wpsplt - Split (decompose) wavelet packet
Discrete Stationary Wavelet Transform Algorithms
iswt - Inverse discrete stationary wavelet transform 1-D
iswt2 - Inverse discrete stationary wavelet transform 2-D
swt - Discrete stationary wavelet transform 1-D
swt2 - Discrete stationary wavelet transform 2-D
Multisignal Wavelet Analysis: One-Dimensional
chgwdeccfs - Change Multisignal 1-D decomposition coefficients
mdwtdec - Multisignal 1-D wavelet decomposition
mdwtrec - Multisignal 1-D wavelet reconstruction
mswcmp - Multisignal 1-D compression using wavelets
mswcmpscr - Multisignal 1-D wavelet compression scores
mswcmptp - Multisignal 1-D compression thresholds and performances
mswden - Multisignal 1-D denoising using wavelets
mswthresh - Performs Multisignal 1-D thresholding
wdecenergy - Multisignal 1-D decomposition energy repartition
wmspca - Multiscale principal component analysis
wmulden - Wavelet multivariate 1-D denoising
Lifting Functions
addlift - Adding primal or dual lifting steps
bswfun - Biorthogonal scaling and wavelet functions
displs - Display lifting scheme
filt2ls - Filters to lifting scheme
ilwt - Inverse 1-D lifting wavelet transform
ilwt2 - Inverse 2-D lifting wavelet transform
liftfilt - Apply elementary lifting steps on filters
liftwave - Lifting scheme for usual wavelets
lsinfo - Information about lifting schemes
lwt - Lifting wavelet decomposition 1-D
lwt2 - Lifting wavelet decomposition 2-D
lwtcoef - Extract or reconstruct 1-D LWT wavelet coefficients
lwtcoef2 - Extract or reconstruct 2-D LWT wavelet coefficients
wave2lp - Laurent polynomial associated to a wavelet
wavenames - Wavelet names information
Laurent Polynomial [OBJECT in @laurpoly directory]
laurpoly - Constructor for the class LAURPOLY (Laurent Polynomial)
Laurent Matrix [OBJECT in @laurmat directory]
laurmat - Constructor for the class LAURMAT (Laurent Matrix)
Denoising and Compression for Signals and Images
cmddenoise - Command line interval dependent denoising
ddencmp - Default values for denoising or compression
thselect - Threshold selection for denoising
wbmpen - Penalized threshold for wavelet 1-D or 2-D denoising
wdcbm - Thresholds for wavelet 1-D using Birge-Massart strategy
wdcbm2 - Thresholds for wavelet 2-D using Birge-Massart strategy
wdenoise - Wavelet signal denoising
wden - Automatic 1-D denoising using wavelets
wdencmp - Denoising or compression using wavelets
wnoise - Generate noisy wavelet test data
wnoisest - Estimate noise of 1-D wavelet coefficients
wpbmpen - Penalized threshold for wavelet packet denoising
wpdencmp - Denoising or compression using wavelet packets
wpthcoef - Wavelet packet coefficients thresholding
waveletSignalDenoiser - Wavelet signal denoiser app
wthcoef - Wavelet coefficient thresholding 1-D
wthcoef2 - Wavelet coefficient thresholding 2-D
wthresh - Perform soft or hard thresholding
wthrmngr - Threshold settings manager
Other Wavelet Applications
dwtleader - Multifractal 1-D wavelet leader estimates
wfbm - Synthesize fractional Brownian motion
wfbmesti - Estimate fractal index
wfusimg - Fusion of two images
wfusmat - Fusion of two matrices or arrays
Tree Management Utilities
allnodes - Tree nodes
cfs2wpt - Wavelet packet tree construction from coefficients
depo2ind - Node depth-position to node index
disp - Display information of WPTREE object
drawtree - Draw wavelet packet decomposition tree (GUI)
dtree - Constructor for the class DTREE
get - Get tree object field contents
ind2depo - Node index to node depth-position
isnode - True for existing node
istnode - Determine indices of terminal nodes
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 - Constructor for the class NTREE
plot - Plot tree object
read - Read values in tree object fields
readtree - Read wavelet packet decomposition tree from a figure
set - Set tree object field contents
tnodes - Determine terminal nodes (obsolete - use LEAVES)
treedpth - Tree depth
treeord - Tree order
wptree - Constructor for the class WPTREE
wpviewcf - Plot wavelet packets colored coefficients
write - Write values in tree object fields
wtbo - Constructor for the class WTBO
wtreemgr - NTREE object manager
General Utilities
localmax - Compute local maxima positions
wcodemat - Extended pseudocolor matrix scaling
wextend - Extend a Vector or a Matrix
wkeep - Keep part of a vector or a matrix
wrev - Flip vector
wtbxmngr - Wavelet Toolbox manager
Other
wvarchg - Find variance change points
Wavelets Information
waveinfo - Information on wavelets
waveletfamilies - Wavelet families and family members