Wavelet Toolbox™

Plot wavelet packets colored coefficients

Syntax

• wpviewcf(T,CMODE)
  wpviewcf(T,CMODE,NBCOL)
  

Description

wpviewcf(T,CMODE) plots the colored coefficients for the terminal nodes of the tree T.

T is a wavelet packet tree and CMODE is an integer, which represents the color mode. The color modes are listed in the table below.

Color Mode	Description
1	Frequency order - Global coloration - Absolute values
2	Frequency order - By level - Absolute values
3	Frequency order - Global coloration - Values
4	Frequency order - By level coloration - Values
5	Natural order - Global coloration - Absolute values
6	Natural order - By level - Absolute values
7	Natural order - Global coloration - Values
8	Natural order - By level coloration - Values

wpviewcf(T,CMODE,NBCOL) uses NBCOL colors.

Examples

• % Create a wavelet packet tree.
  x = sin(8*pi*[0:0.005:1]);
  t = wpdec(x,3,'db1');
  
  % Plot tree t.
  % Click the node (3,0), (see the plot function)
  plot(t);
  
  
  % Plot the colored wavelet packet coefficients.
  wpviewcf(t,1);
  
  
  

See Also
wpdec

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wptree

wrcoef

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