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Results of quantitative comparison among three different methods in terms of relative contrast after filtering on 3-D phantom image.
| Radius | Original relative contrast |
Relative contrast after filtering |
||
|---|---|---|---|---|
| G-algorithm | S-algorithm | T-algorithm | ||
| 1 voxel | 9.1 | 8.3 | 8.1 | 9.5 |
| 8.6 | 7.1 | 7.7 | 9.0 | |
| 8.0 | 7.3 | 7.3 | 8.5 | |
| 7.1 | 6.1 | 6.7 | 7.8 | |
| 6.0 | 4.9 | 5.5 | 6.7 | |
| 2 voxels | 9.8 | 8.6 | 8.4 | 10.5 |
| 9.2 | 7.3 | 8.0 | 10.1 | |
| 8.6 | 7.7 | 7.7 | 9.4 | |
| 7.7 | 6.5 | 7.1 | 8.8 | |
| 6.5 | 5.3 | 5.9 | 7.6 | |
