Diffusion Propagator Imaging (DPI): An Alternative to Diffusion Spectrum Imaging (DSI)

¹NeuroSpin, IFR 49, CEA Saclay, Gif-sur-Yvette, France; ²National Taiwan University, Taiwan; ³National Yang-Ming University, Taiwan

We propose an alternative to diffusion spectrum imaging called diffusion propagator imaging (DPI). DPI can reconstruct the diffusion propagator from only two spherical shells and around 100 diffusion measurements. The DPI solution is analytical, efficient and compact.