Wavelet Toolbox

WPTREE Object

Class WPTREE (Wavelet Packet Tree) -- Parent class: DTREE

Fields

dtree	Parent object
wavInfo	Structure (wavelet information)
entInfo	Structure (entropy information)

Fields Description

wavInfo

wavName	- Wavelet Name.
Lo_D	- Low Decomposition filter
Hi_D	- High Decomposition filter
Lo_R	- Low Reconstruction filter
Hi_R	- High Reconstruction filter

entInfo

entName	- Entropy Name
entPar	- Entropy Parameter

allNI Array(nbnode,5)     (field of the dtree parent object)

[ind,size,ent,ento]

ind	- Index
size	- Size of data
ent	- Entropy
ento	- Optimal Entropy

Methods

Constructor.   

Method	Description
wptree	Constructor for the class WPTREE

Methods That Overload Those of DTREE Class.   

Method	Description
defaninf	Define node information (all nodes).
get	Get WPTREE object field contents.
merge	Merge (recompose) the data of a node.
read	Read values in WPTREE object fields.
recons	Reconstruct wavelet packet coefficients.
set	Set WPTREE object field contents.
split	Split (decompose) the data of a terminal node.
tlabels	Labels for the nodes of a wavelet packet tree.
write	Write values in WPTREE object fields.

Proper Methods of WPTREE Class..   

Method	Description
bestlevt	Best level of a wavelet packet tree.
besttree	Best wavelet packet tree.
entrupd	Entropy update (wavelet packet tree).
wp2wtree	Extract wavelet tree from wavelet packet tree.
wpcoef	Wavelet packet coefficients.
wpcutree	Cut wavelet packet tree.
wpjoin	Recompose wavelet packet.
wpplotcf	Plot wavelet packets colored coefficients.
wprcoef	Reconstruct wavelet packet coefficients.
wprec	Wavelet packet reconstruction 1-D.
wprec2	Wavelet packet reconstruction 2-D.
wpsplt	Split (decompose) wavelet packet.
wpthcoef	Wavelet packet coefficients thresholding.
wpviewcf	Plot wavelet packets colored coefficients.

DTREE Object

Advanced Use of Objects