 corrections). 
% This is achieved by inputting the required variables manually: |A = forwardBackwardProject(Nx, 
% Ny, Nz, FOVa_x, axial_fov, diameter, rings, cr_p, cr_pz, cryst_per_block, blocks_per_ring, 
% det_per_ring, Ndist, Nang,NSinos, span, ring_difference, subsets, implementation, 
% use_device, projector_type, tube_width_z, tube_radius, voxel_radius, use_psf, 
% FWHM);|
% 
% To use your own measurement data, replace |load('Cylindrical_PET_example_cylpet_example_sinograms_combined_static_200x168x7