High Performance 3D PET Reconstruction Using Spherical Basis Functions on a Polar Grid
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).
