[3] Kenneth R. Castleman. Digital Image Processing. Prentice Hall, a Simon & Schuster Company,1996

[4] Mallat S G. A theory for multiresolution signal decomposition: the wavelet representation.IEEE Transactions on Pattern Analysis and Machine Intelligence,1989,11(7):674～693

[5] Jo Y T, Shen L X, Seng L L, et al. A general approach for analysis and application of discrete multi-wavelet transform.IEEE Transactions on Signal Processing, 2000,48(2):457～464