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%--------------------------------------------------------------------------
% This file is part of the ASTRA Toolbox
%
% Copyright: 2010-2021, imec Vision Lab, University of Antwerp
% 2014-2021, CWI, Amsterdam
% License: Open Source under GPLv3
% Contact: astra@astra-toolbox.com
% Website: http://www.astra-toolbox.com/
%--------------------------------------------------------------------------
classdef ProjDiffOptimFunc < handle
%----------------------------------------------------------------------
properties (SetAccess=private, GetAccess=public)
end
%----------------------------------------------------------------------
methods (Access=public)
function proj_diff = calculate(~, D, ~)
projection = D.tomography.project(D.S);
proj_diff = sum((projection(:) - D.base.sinogram(:)).^2);
end
end
%----------------------------------------------------------------------
end
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