Research Article
Image Reconstruction Using Analysis Model Prior
Table 6
Comparison results of RLNEs using two- and four-direction ICD.
| Test image
| Directional components
| Method | ICD-TR | ICD-TH | ICD-WT |
| Shepp Logan | Two | 0.0254 | 0.0205 | 0.0169 | Four | 0.0098 | 0.0042 | 0.0037 |
| Brain-1 | Two | 0.0388 | 0.0354 | 0.0321 | Four | 0.0309 | 0.0267 | 0.0257 |
| Brain-2 | Two | 0.0661 | 0.0627 | 0.0607 | Four | 0.0550 | 0.0514 | 0.0491 |
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