function [af, sf] = FSdoubledualfilt

% USAGE:
%   [af, sf] = FSdoubledualfilt
% OUTPUT:
%   af - cell array containing analysis filters
%       af{1} - analysis filters for tree 1
%       af{2} - analysis fitlers for tree 2
%   sf - cell array containing synthesis filters
%       sf{1} - synthesis filters for tree 1
%       sf{2} - synthesis filters for tree 2
% See also: afb3, doubledualtree_f1D
% 
% FRAMELET SOFTWARE AT POLYTECHNIC UNIVERSITY, BROOKLYN, NY
% 

% ANALYSIS FILTERS
af{1} = [
                  0                  0                  0
   0.00069616789827  -0.00014203017443   0.00014203017443
  -0.02692519074183   0.00549320005590  -0.00549320005590
  -0.04145457368920   0.01098019299363  -0.00927404236573
   0.19056483888763  -0.13644909765612   0.07046152309968
   0.58422553883167  -0.21696226276259   0.13542356651691
   0.58422553883167   0.33707999754362  -0.64578354990472
   0.19056483888763   0.33707999754362   0.64578354990472
  -0.04145457368920  -0.21696226276259  -0.13542356651691
  -0.02692519074183  -0.13644909765612  -0.07046152309968
   0.00069616789827   0.01098019299363   0.00927404236573
                  0   0.00549320005590   0.00549320005590
                  0  -0.00014203017443  -0.00014203017443
                  0                  0                  0
];

af{2} = [
                  0                  0                  0
                  0                  0                  0
   0.00069616789827  -0.00014203017443   0.00014203017443
  -0.02692519074183   0.00549320005590  -0.00549320005590
  -0.04145457368920   0.01098019299363  -0.00927404236573
   0.19056483888763  -0.13644909765612   0.07046152309968
   0.58422553883167  -0.21696226276259   0.13542356651691
   0.58422553883167   0.33707999754362  -0.64578354990472
   0.19056483888763   0.33707999754362   0.64578354990472
  -0.04145457368920  -0.21696226276259  -0.13542356651691
  -0.02692519074183  -0.13644909765612  -0.07046152309968
   0.00069616789827   0.01098019299363   0.00927404236573
                  0   0.00549320005590   0.00549320005590
                  0  -0.00014203017443  -0.00014203017443
];

% SYNTHESIS FILTERS
sf{1} = af{1}(end:-1:1, :);
sf{2} = af{2}(end:-1:1, :);