CAN WE PERFORM iwt on 3D image

I am working on image compression,I have to perform integer tO integer wavelet transform,I have converted my rgb image into gray scale and performed IWT,can I perform IWT ON RGB image,CA ANYONE TELL PLEASE

Answer 1

[Wayne King]

Hi, yes, you can using lifting.

LS = liftwave('db4','Int2Int');
X = randi(255,256,256,3);
[CA,CH,CV,CD] = lwt2(X,LS);
X1 = ilwt2(CA,CH,CV,CD,LS);
isequal(X,X1)

Wayne

[FIR]

sir thank u ,but i get answer as 1,can u tell how to get the image after performing IWT PLEASE

Answer 2

[Sudha]

Can u pls send me the code for IWT

Sudha