Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Multi-shell Sampling Scheme with Accurate and Efficient Transforms for
  Diffusion MRI   We propose a multi-shell sampling grid and develop corresponding transforms
for the accurate reconstruction of the diffusion signal in diffusion MRI by
expansion in the spherical polar Fourier (SPF) basis. The transform is exact in
the radial direction and accurate, on the order of machine precision, in the
angular direction. The sampling scheme uses an optimal number of samples equal
to the degrees of freedom of the diffusion signal in the SPF domain.

16
The categories of this paper are: stat
29
The categories of this paper are: funct-an
33
The categories of this paper are: plasm-ph
32
The categories of this paper are: atom-ph
0
The categories of this paper are: hep-ph
25
The categories of this paper are: patt-sol
34
The categories of this paper are: chem-ph
5
The categories of this paper are: gr-qc
22
The categories of this paper are: chao-dyn
2
The categories of this paper are: math
27
The categories of this paper are: comp-gas
26
The categories of this paper are: bayes-an
30
The categories of this paper are: q-alg
10
The categories of this paper are: q-bio
4
The categories of this paper are: cond-mat
31
The categories of this paper are: ao-sci