Research Article
Nonconvex Compressed Sampling of Natural Images and Applications to Compressed MR Imaging
Table 1
Results on natural images in Figure
1 by three methods (SR = 38.56%,
,
).
| Image no. | Method | Exp. Result | SNR | Rel. err. | Iter |
| Figure 1(a) | FPC [10] | 27.8091 | 1.89% | 56 | TVCMRI [11] | 31.1099 | 0.30% | 87 | HQRCSparET | | | 59 | Figure 1(b) | FPC [10] | 27.3302 | 1.36% | 55 | TVCMRI [11] | 30.4733 | 0.26% | 83 | HQRCSparET | | | 62 | Figure 1(c) | FPC [10] | 23.8318 | 2.13% | 55 | TVCMRI [11] | 30. 6934 | 0.16% | 86 | HQRCSparET | | | 60 | Figure 1(d) | FPC [10] | 21.7186 | 3.06% | 55 | TVCMRI [11] | 26.9904 | 0.33% | 80 | HQRCSparET | | | 62 | Figure 1(e) | FPC [10] | 25.3691 | 2.02% | 56 | TVCMRI [11] | 30.3776 | 0.21% | 82 | HQRCSparET | | | 59 | Figure 1(f) | FPC [10] | 29.6160 | 1.10% | 55 | TVCMRI [11] | 33.9065 | 0.31% | 79 | HQRCSparET | | | 63 |
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