ERROR IN PERFORMING IWT

I performed IWT on 3D image but i got answer as one,can u tell how to get the 3D IWT IMAGE. PLEASE,i HAVAE ATTACHED THE CODING

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)

Answer 1

[Walter Roberson]

What is the problem with getting 1 ? 1 means that the inverse transform was successful in exactly reversing the effect of the transform.

[FIR]

SIR BUT HOW TO GET THAT IMAGE AFTER PERFORMING IWT ON 3DIMAGE