Atomic Decomposition into Wavelet Packets by Matching Pursuit
atomic = WPPursuit(x,D,qmf,natom,frac,show)
signal of dyadic length to be decomposed
max # of atoms desired
min fraction total signal energy to enter
usual Wavelet Packets parameters
plot intermediate results? [0=no,1=yes]
parameters of atomic decomposition
S. Mallat and S. Zhang, Matching Pursuits with Time-Frequency
Dictionaries IEEE Trans. Signal Proc., 41(12), pp. 3397-3415, 1993.