Three-level Daubechies wavelet transform?

i would like to perform Three-level Daubechies wavelet transform on an input image. i try to for the answer but i dint get the answer. can any one tell me how to get this kind of image

this is an exapmle given in an matlab help

load woman;
% X contains the loaded image. 
% map contains the loaded colormap. 
nbcol = size(map,1);

% Perform single-level decomposition 
% of X using db1. 
[cA1,cH1,cV1,cD1] = dwt2(X,'db1');

% Images coding. 
cod_X = wcodemat(X,nbcol); 
cod_cA1 = wcodemat(cA1,nbcol); 
cod_cH1 = wcodemat(cH1,nbcol); 
cod_cV1 = wcodemat(cV1,nbcol); 
cod_cD1 = wcodemat(cD1,nbcol); 
dec2d = [ cod_cA1,     cod_cH1;  
        cod_cV1,     cod_cD1];
imshow(dec2d,[])

1) how he get Map i.e [i.e which color map like hsv or gray or bones....],

2) how to perform for 2 or 3 or 4 level decomposition. { i know i just need to change from db1 to db2 or ...... but when i am displaying my result its just a weight colored image }...

Please help me.............

Answer 1

[Wayne King]

Have you tried this using

>>dw2dtool

That will allow you to interactively do exactly what you want

[sana]

no but i will try this............ Thanks a lot

[sana]

this is an gui .

but i never used it.

[Wayne King]

Yes, just load your image

File -> Load

Or import from the workspace

Import from Workspace

Then choose your wavelet and level over on the top right.

Look at some of the examples under

File -> Example Analysis

[sana]

thanks a lot.. last thing how could i extract the information?

[Wayne King]

Use File -> Export to Workspace