Table 4 SNRi and R2 values of agar gel and water phantoms for T2 curves at TP1
Phantom | TP1 | |||||
|---|---|---|---|---|---|---|
SNRi | R2 | |||||
1 ROI | 3 ROIs | 25 ROIs | 1 ROI | 3 ROIs | 25 ROIs | |
1 | 250.7 | 261.2 | 261.2 | 0.98960 | 0.98960 | 0.98960 |
2 | 250.7 | 259.1 | 251.4 | 0.98910 | 0.98920 | 0.99040 |
3 | 253.6 | 260.2 | 255.2 | 0.99120 | 0.99330 | 0.99160 |
4 | 240.3 | 250.5 | 241.9 | 0.99830 | 0.99830 | 0.98950 |
5 | 248.3 | 258.6 | 252.0 | 0.98510 | 0.98510 | 0.98480 |
6 | 265.8 | 276.0 | 274.8 | 0.99010 | 0.99010 | 0.98110 |
7 | 239.6 | 249.2 | 238.5 | 0.98740 | 0.98740 | 0.98810 |
8 | 246.3 | 259.5 | 246.3 | 0.98580 | 0.98580 | 0.98810 |
9 | 255.9 | 265.5 | 256.6 | 0.98460 | 0.98460 | 0.98550 |
10 | 250.3 | 257.8 | 249.5 | 0.99010 | 0.99010 | 0.98880 |
11 | 266.4 | 283.0 | 269.6 | 0.98840 | 0.98840 | 0.98830 |
Water | 287.1 | 466.7 | 173.6 | 0.98530 | 0.98500 | 0.97340 |