?? display2dprojv.m
字號(hào):
function Display2dProjV(wc,L,qmf);
[n,J] = quadlength(wc);
% axes handles
% delta = (1-2^(L-J-1))./(J-L+2);
delta = 1/40;
unit = .45 * 2^(L-J);
limitx = delta;
limity = delta;
x = wc;
h = [limitx limity unit unit];
axes('position',h)
imagesc(x(1:2^L,1:2^L));
colormap(gray(256));
axis image
axis('off')
limitx = delta + unit;
unit = 2*unit;
nc = 2^(L+1);
for jscal=L:J-1,
top = (nc/2+1):nc; bot = 1:(nc/2); all = 1:nc;
for iy=1:nc,
x(all,iy) = UpDyadLo(x(bot,iy)',qmf)' ...
+ UpDyadHi(x(top,iy)',qmf)';
end
for ix=1:nc,
x(ix,all) = UpDyadLo(x(ix,bot),qmf) ...
+ UpDyadHi(x(ix,top),qmf);
end
nc = 2*nc;
h = [limitx limity unit unit];
axes('position',h)
imagesc((1:nc/2),(1:nc/2),x(all,all));
colormap(gray(256));
axis image
axis('off')
limitx = limitx + unit;
unit = 2*unit;
end
% Written by Maureen Clerc and Jerome Kalifa, 1997
% clerc@cmapx.polytechnique.fr, kalifa@cmapx.polytechnique.fr
%
% Part of WaveLab Version 802
% Built Sunday, October 3, 1999 8:52:27 AM
% This is Copyrighted Material
% For Copying permissions see COPYING.m
% Comments? e-mail wavelab@stat.stanford.edu
%
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