Analyze image into 2-d wavelet packet coefficients
coef = FPT2_WP(basis,img,qmf)
Quad Tree selecting wavelet packet basis
2-d image to be transformed into basis
quadrature mirror filter
2-d wavelet packet coeffts in given basis
Once a wavelet packet basis has been selected (presumably via Best2dBasis), this function may be used to expand a given image in that basis.