| Wavelet Toolbox | |
Stationary Wavelet Transform
| Function |
Description |
swt |
Discrete stationary wavelet transform 1-D |
iswt |
Inverse discrete stationary wavelet transform 1-D |
swt2 |
Discrete stationary wavelet transform 2-D |
iswt2 |
Inverse discrete stationary wavelet transform 2-D |
Thresholds for 1-D and 2-D De-noising and Compression
| Function |
Description |
wdcbm |
Computes thresholds for wavelet 1-D de-noising or compression using Birgé-Massart strategy |
wdcbm2 |
Computes thresholds for wavelet 2-D de-noising or compression using Birgé-Massart strategy |
wbmpen |
Computes threshold for wavelet, 1-D or 2-D, de-noising using penalization strategy |
wpbmpen |
Computes threshold for wavelet packet, 1-D or 2-D, de-noising using penalization strategy |
wthrmngr |
Threshold settings manager |
General Tree Object Functions
General tree object functions are used for Wavelet Packets 1-D and 2-D. They can also be used in a more general context involving tree objects.
| Function |
Description |
wptree |
Constructor for the class WPTREE (Wavelet Packet Tree) |
dtree |
Constructor for the class DTREE (Data Tree) |
ntree |
Constructor for the class NTREE (N-ary Tree) |
get |
Get tree objects field contents |
read |
Read values in tree object fields |
set |
Set tree objects field contents |
write |
Write values in tree object fields |
plot |
Graphical tree-management utility |
The plot function opens a window and displays the tree. This window is a GUI tool allowing you to split, merge and visualize each node of the tree.
Wavelet Utilities
| Function |
Description |
scal2frq |
Converts scale to frequency |
centfrq |
Computes wavelet center frequency |
Signal processing utilities
| Function |
Description |
wvarchg |
Find variance change points |
| | New Wavelets | Enhancements | |