Research Article

Sparse Parallel MRI Based on Accelerated Operator Splitting Schemes

Figure 7

The CPU time of the five algorithms for the TV-based SparseSENSE model as functions of the coil numbers on different undersampling factors. (a) CPU time versus the coil numbers on the 6-fold undersampling factor; (b) CPU time versus the coil numbers on the 4-fold undersampling factor.
(a)
(b)