Research Article
NUFFT-Based Iterative Image Reconstruction via Alternating Direction Total Variation Minimization for Sparse-View CT
Table 2
Accuracy and the running time of different method.
| Iteration number | SART-TV | ADTVM | NUFFT-ADM | RMSE | Running time | RMSE | Running time | RMSE | Running time |
| 100 | 0.0377 | 177.786 s | 0.0165 | 107.439 s | 0.0079 | 8.986 s | 200 | 0.0302 | 349.544 s | 0.0015 | 199.133 s | 0.0012 | 16.752 s | 500 | 0.0174 | 856.158 s | | 508.376 s | | 51.863 s |
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