www.pudn.com > Tikhonov_Regularization_for_super_resolution.rar > DTDZ.m, change:2010-07-06,size:280b


function G2 = DTDZ(Zn, D, p) 
% computer the term D'*D*Zn in formulation 
%input£º 
% Zn: current high resolution image 
% D: Laplacian operator 
% p: the number of low resolution images 
 
Xn = imfilter(Zn, D, 'symmetric');    
 
temp = imfilter(Xn, D', 'symmetric'); 
G2 = temp;