Real 2D dualtree wavelet inverse transform
x0=idualtree2D(c,s,Fsf,sf)
idualtree2D is an utility function of inverse real 2D dualtree wavelet transform. Refer to Professor Ivan Selesnick's webpage at Brooklyn Polytech, NY.
[Faf,Fsf]=FSfarras('f'); [af,sf]=dualfilt1('f'); x=rand(256,256); [c,s]=dualtree2D(x,3,Faf,af); x0=idualtree2D(c,s,Fsf,sf);
Roger Liu and Isaac Zhi