The DWT2 Dialog Box

2DDecompose dwt2.png
  • Menu Command: Analysis: Signal Processing: Wavelet: 2D Decompose
  • Window Type: Matrix, 3D/Contour Plots
  • X-Function Script and GUI Examples: dwt2(Pro)
Dialog Theme See Dialog Themes.
Recalculate

See Recalculating Analysis Results.
Input

Specifies the input matrix. See Specifying Your Input Data.
Wavelet Type

Specifies the type of the wavelet.

  • Haar: Haar wavelet
  • DBN: Daubechies wavelet (N = wavelet order and no. of vanishing moments)
  • BiorNr.Nd: Biorthogonal (Nr = wavelet order or scaling functions used for reconstruction; Nd = order of the functions used for decomposition)
Approx Coefficients

Specifies the output matrix for approximation coefficients. See Output Results.
Detail Coefficients (Horizontal)

Specifies the output matrix for horizontal detail coefficients. See Output Results.
Detail Coefficients (Vertical)

Specifies the output matrix for vertical detail coefficients. See Output Results.
Detail Coefficients (Diagonal)

Specifies the output matrix for diagonal detail coefficients. See Output Results.