Research Article

An Improved Total Variation Minimization Method Using Prior Images and Split-Bregman Method in CT Reconstruction

Algorithm 1

Implementation steps of PISPTV reconstruction.
% Initialization
Given , , , , , , , , , , , , , ,
and ;
% Main iteration loop
% ART Updating
for do
 for do
 end
 % PISPTV
 for do
 end
 for do
  for do
   
       
       
   
   
  end
   
   
   
 end
 % Image Updating
 % Exit Criterion
 if then
  exit
 end
end