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Functions in Wavelet Toolbox

  • By Category | Alphabetical List
  • Wavelets and Filter Banks

    Real and Complex-Valued Wavelets

    bswfun Biorthogonal scaling and wavelet functions
    centfrq Wavelet center frequency
    cgauwavf Complex Gaussian wavelet
    cmorwavf Complex Morlet wavelet
    fbspwavf Complex frequency B-spline wavelet
    gauswavf Gaussian wavelet
    intwave Integrate wavelet function psi (ψ)
    mexihat Mexican hat wavelet
    meyer Meyer wavelet
    meyeraux Meyer wavelet auxiliary function
    morlet Morlet wavelet
    scal2frq Scale to frequency
    shanwavf Complex Shannon wavelet
    wavefun Wavelet and scaling functions
    wavefun2 Wavelet and scaling functions 2-D
    wavsupport Wavelet support
    wavemenu Wavelet Toolbox GUI tools
    wavemngr Wavelet manager
    waveletfamilies Wavelet families and family members
    waveinfo Wavelets information
    wavedemo Wavelet Toolbox software examples
    wtbxmngr Wavelet Toolbox manager

    Orthogonal and Biorthogonal Filter Banks

    biorwavf Biorthogonal spline wavelet filter
    biorfilt Biorthogonal wavelet filter set
    coifwavf Coiflet wavelet filter
    dddtree Dual-tree and double-density 1-D wavelet transform
    dbaux Daubechies wavelet filter computation
    dbwavf Daubechies wavelet filter
    orthfilt Orthogonal wavelet filter set
    rbiowavf Reverse biorthogonal spline wavelet filters
    qmf Scaling and Wavelet Filter
    symaux Symlet wavelet filter computation
    symwavf Symlet wavelet filter
    wavefun Wavelet and scaling functions
    wavefun2 Wavelet and scaling functions 2-D
    wfilters Wavelet filters
    wrev Flip vector
    wavemenu Wavelet Toolbox GUI tools
    wavemngr Wavelet manager
    waveletfamilies Wavelet families and family members
    waveinfo Wavelets information
    wavenames Wavelet names for LWT

    Lifting

    addlift Add lifting steps to lifting scheme
    displs Display lifting scheme
    filt2ls Transform quadruplet of filters to lifting scheme
    laurmat Laurent matrices constructor
    laurpoly Laurent polynomials constructor
    liftfilt Apply elementary lifting steps on quadruplet of filters
    liftwave Lifting schemes
    lsinfo Lifting schemes information
    ls2filt Transform lifting scheme to quadruplet of filters
    wave2lp Laurent polynomials associated with wavelet
    wavemngr Wavelet manager
    waveletfamilies Wavelet families and family members
    waveinfo Wavelets information
    wavenames Wavelet names for LWT

    Wavelet Design

    pat2cwav Build wavelet from pattern
    wavemenu Wavelet Toolbox GUI tools
    wavemngr Wavelet manager
    addlift Add lifting steps to lifting scheme
    displs Display lifting scheme
    filt2ls Transform quadruplet of filters to lifting scheme
    laurmat Laurent matrices constructor
    laurpoly Laurent polynomials constructor
    liftfilt Apply elementary lifting steps on quadruplet of filters
    liftwave Lifting schemes
    lsinfo Lifting schemes information
    ls2filt Transform lifting scheme to quadruplet of filters
    wave2lp Laurent polynomials associated with wavelet

    Continuous Wavelet Analysis

    conofinf Cone of influence
    cwt Continuous 1-D wavelet transform
    cwtext Real or complex continuous 1-D wavelet coefficients using extension parameters
    cwtft Continuous wavelet transform using FFT algorithm
    cwtftinfo Valid analyzing wavelets for FFT-based CWT
    cwtftinfo2 Supported 2-D CWT wavelets and Fourier transforms
    cwtft2 2-D continuous wavelet transform
    icwtft Inverse CWT
    icwtlin Inverse continuous wavelet transform (CWT) for linearly spaced scales
    localmax Identify and chain local maxima
    pat2cwav Build wavelet from pattern
    wcoher Wavelet coherence
    wscalogram Scalogram for continuous wavelet transform
    wavemenu Wavelet Toolbox GUI tools
    wavemngr Wavelet manager

    Discrete Wavelet Analysis

    Signal Analysis

    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
    swt Discrete stationary wavelet transform 1-D
    iswt Inverse discrete stationary wavelet transform 1-D
    ndwt Nondecimated 1-D wavelet transform
    indwt Inverse nondecimated 1-D wavelet transform
    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

    Image Analysis

    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

    3-D Analysis

    dwt3 Single-level discrete 3-D wavelet transform
    dwtmode Discrete wavelet transform extension mode
    idwt3 Single-level inverse discrete 3-D wavelet transform
    wavedec3 Multilevel 3-D wavelet decomposition
    waverec3 Multilevel 3-D wavelet reconstruction
    wavemenu Wavelet Toolbox GUI tools
    wavemngr Wavelet manager

    Multisignal Analysis

    chgwdeccfs Change multisignal 1-D decomposition coefficients
    dwtmode Discrete wavelet transform extension mode
    mdwtcluster Multisignals 1-D clustering
    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 Perform multisignal 1-D thresholding
    wavemenu Wavelet Toolbox GUI tools
    wdecenergy Multisignal 1-D decomposition energy distribution
    wmspca Multiscale Principal Component Analysis
    wextend Extend vector or matrix
    wkeep Keep part of vector or matrix
    wavemenu Wavelet Toolbox GUI tools

    Wavelet Packet Analysis

    dwtmode Discrete wavelet transform extension mode
    wpdec Wavelet packet decomposition 1-D
    wpdec2 Wavelet packet decomposition 2-D
    wprec Wavelet packet reconstruction 1-D
    wprec2 Wavelet packet reconstruction 2-D
    wpcoef Wavelet packet coefficients
    wprcoef Reconstruct wavelet packet coefficients
    bestlevt Best level tree wavelet packet analysis
    besttree Best tree wavelet packet analysis
    entrupd Entropy update (wavelet packet)
    wentropy Entropy (wavelet packet)
    plot Plot tree GUI
    wpviewcf Plot wavelet packets colored coefficients
    wavemenu Wavelet Toolbox GUI tools
    wpfun Wavelet packet functions
    wpspectrum Wavelet packet spectrum
    cfs2wpt Wavelet packet tree construction from coefficients
    depo2ind Node depth-position to node index
    wp2wtree Extract wavelet tree from wavelet packet tree
    wpcutree Cut wavelet packet tree
    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
    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

    Denoising

    cmddenoise Interval-dependent denoising
    ddencmp Default values for denoising or compression
    thselect Threshold selection for de-noising
    wbmpen Penalized threshold for wavelet 1-D or 2-D de-noising
    wdcbm Thresholds for wavelet 1-D using Birgé-Massart strategy
    wdcbm2 Thresholds for wavelet 2-D using Birgé-Massart strategy
    wden Automatic 1-D de-noising
    wdencmp De-noising or compression
    wmulden Wavelet multivariate de-noising
    wnoise Noisy wavelet test data
    wnoisest Estimate noise of 1-D wavelet coefficients
    wpbmpen Penalized threshold for wavelet packet de-noising
    wpdencmp De-noising or compression using wavelet packets
    wpthcoef Wavelet packet coefficients thresholding
    wthcoef 1-D wavelet coefficient thresholding
    wthcoef2 Wavelet coefficient thresholding 2-D
    wthresh Soft or hard thresholding
    wthrmngr Threshold settings manager
    wvarchg Find variance change points
    measerr Approximation quality metrics
    wavemenu Wavelet Toolbox GUI tools

    Compression

    wcompress True compression of images using wavelets
    wpdencmp De-noising or compression using wavelet packets
    measerr Approximation quality metrics
    wmpalg Matching pursuit
    wmpdictionary Dictionary for matching pursuit
    wavemenu Wavelet Toolbox GUI tools
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