Table 1.

Comparison of properties of wavelet filters used

Wavelet	Biorthogonal	Orthogonal	Symmetry	Asymmetry	Near symmetry	Compact support
Db	No	Yes	No	Yes	No	Yes
Haar	No	Yes	Yes	No	No	Yes
Bior	Yes	No	Yes	No	No	Yes
Coif	No	Yes	No	No	Yes	Yes
Sym	No	Yes	No	No	Yes	Yes