haar_deltalp.wvf

来自「小波压缩编码平台软件包」· WVF 代码 · 共 26 行

% Haar wavelet with the update step disabled
%
% H = (y - x) * (1 / sqrt(2))
% L = x * sqrt(2)
%
% Prediction    -> y' = y - x
% Normalisation -> H  = y' * (1 / sqrt(2))
%                  L  = x' *  sqrt(2) = x *  sqrt(2) 

%wvf_type
 NON_SYMMETRIC
%lift_coeff
-1.0
%lift_cnct
 10
%lift_norm
 1.41421356237310
 0.70710678118655
%filt_AL - no filtering performed, just normalisation
 0, 1.41421356237310
%filt_AH - antisymmetric
-1,-0.70710678118655
 0, 0.70710678118655
%filt_SL - can be deduced from filt_AH
%filt_SH - can be deduced from filt_AL