Two Dimension Multiple Level Discrete Fast Wavelet Transform
[C,S]=wavedec(x,N,wname) [C,S]=wavedec(x,N,Lo_D,Hi_D)
wavedec is for two dimension multiple-level discrete fast wavelet transform. Extension is stored as a global variable and could be changed by dwtmode;
x=rand(100,100); [C,S]=wavedec2(x,3,'db2'); | ![]() | ![]() |
Roger Liu and Isaac Zhi