452910.fig.009a
(a)
452910.fig.009b
(b)
Figure 9: FWHM (mm) of the closest (1-blue) and farthest (6-red) point source from the centre of the FOV for 300 iterations measured every 10 iterations obtained with the CPU (+) and the GPU ( ) (a) and difference in between the CPU and GPU implementations for each point source (b).