 inverse to the first look-up table; determining, for each respective volume position in the reconstruction volume and for each respective 0D projection, respective two-dimensional in-plane coordinates by projecting the respective volume positions onto the projection plane defined by the respective 0D projections; determining, for each respective volume position in the reconstruction volume and for each respective 0D projection, a respective first modified weighted contribution of each of the respective filtered 0D projections, wherein the determining of the first modified weighted contributions includes evaluating the respective filtered 0D projections at the in-plane coordinates corresponding to the respective volume position and applying the first look-up table to the respective filtered 0D projections evaluated at the in-plane coordinates; and accumulating, for each respective volume position in the reconstruction volume, the first modified weighted contributions of the respective 0D projections corresponding to different projection planes and applying the inverted first look-up table to 