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function proj_geom = astra_geom_superresolution(proj_geom, factor)
if strcmp(proj_geom.type,'parallel')
proj_geom.DetectorWidth = proj_geom.DetectorWidth/factor;
proj_geom.DetectorCount = proj_geom.DetectorCount * factor;
elseif strcmp(proj_geom.type,'fanflat')
proj_geom.DetectorWidth = proj_geom.DetectorWidth/factor;
proj_geom.DetectorCount = proj_geom.DetectorCount * factor;
elseif strcmp(proj_geom.type,'fanflat_vec')
proj_geom.Vectors(:,5:6) = proj_geom.Vectors(:,5:6) / factor; % DetectorSize
proj_geom.DetectorCount = proj_geom.DetectorCount * factor;
else
error('Projection geometry not suited for super-resolution (or not implemented).')
end
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