set |options.precompute_lor = 
% false|.
% 
% The optional PSF deblurring phase can also be performed and an example of 
% that is also included.
%% List-mode reconstruction/custom detectors
% There is also a "simplified" version of the forward/backward  projection class. 
% This simplified version accepts the detector  coordinates for each coincidence 
% as well as the FOV size and image size. The input structure is thus:
% 
% |A = forwardBackwardProject(x, y, z, Nx, Ny, Nz, FOVtr, axial_fov, subsets, 
% i