t version is always recommended. If you are using an older version, however, you should use 64-bit version as 32-bit version is not supported.</span></div><div  class = 'S4'><span>Image processing toolbox and parallel computing toolbox are used for some specific features. However, (slower) fallback alternatives are used if these toolboxes are not found in most cases. The only function that requires image processing toolbox is the anisotropic diffusion MRP prior when using either implementation 1 or 4. Due t