t(x, y, z, Nx, Ny, Nz, FOVtr, axial_fov, subsets, implementation, platform)</span></div><div  class = 'S1'><span>where </span><span style=' font-family: monospace;'>x</span><span>, </span><span style=' font-family: monospace;'>y</span><span> and </span><span style=' font-family: monospace;'>z</span><span> are the detector coordinates corresponding to every element of the input measurement data (vector or matrix), </span><span style=' font-family: monospace;'>Nx/y/z</span><span> are the image size in x/y/z-d