[4] Mallat S.A theory for multi-resolution signal decomposition:the wavelet representation[J].IEEE Transaction on PAMI,1998,11(7):674-693.
[5] Mallat S G.Multifrequency Channel Decompositions of Images and wavelet Models[J].IEEE Trans ASSP,1989,37(12):2091-2110.
[8] Donoho D L.De-noisingby soft-tresholding[J].IEEE Trans Information Theory,1999,41(3):257-260.