Fig. 2

Visualization of the influence of anisotropic detector resolution on the filtered backprojection and resulting spatial resolution along the two axis. e, h, k The simulation with only gaps. f, i, l The simulation with anisotropic detector resolution and gaps of 10 detector modules. g, j, m A measurement. The simulation with anisotropic detector resolution and the measurement exhibit a star-like artifact in the reconstruction, which leads to a split in spatial resolution along x and y axis, as shown in the bottom row