Table 3.
Comparison of different block sizes (bsize) used in the LLR+S reconstruction for all three 3D retrospectively undersampled datasets. The PCA transform was used for all comparisons.
| bsize | 4,2 | 5,3 | 6,3 | 8,3 | 10,3 | 20,6 |
|---|---|---|---|---|---|---|
| 3D Dataset 1 | ||||||
| nRMSE | 0.1177 | 0.0995 | 0.1129 | 0.0908 | 0.1095 | 0.2702 |
| SSIM | 0.9329 | 0.9475 | 0.9368 | 0.9543 | 0.9455 | 0.8788 |
| bsize | 4,2 | 5,3 | 6,3 | 8,3 | 10,3 | 20,6 |
|
| ||||||
| 3D Dataset 2 | ||||||
| nRMSE | 0.1502 | 0.1392 | 0.1429 | 0.1344 | 0.1385 | 0.2161 |
| SSIM | 0.9126 | 0.9187 | 0.9176 | 0.9239 | 0.9215 | 0.9047 |
| bsize | 2,2 | 4,4 | 5,5 | 10,10 | ||
|
|
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| 3D Dataset 3 | ||||||
| nRMSE | 0.1327 | 0.0913 | 0.0848 | 0.1301 | ||
| SSIM | 0.954 | 0.9631 | 0.9643 | 0.9482 | ||