Table 2.
Scattering |
Power optimization |
Uniformity optimization |
MRI |
|||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Sii,max (dB) | Sij,max (dB) | # | SAR10g,max(TV) () |
SAF | TCSAR>Lim (%) | PHead (W) | PTumor (W) | PI () | TC25% (%) | HTQ | # | SAR10g,max(TV) () | SAF | TCSAR>Lim (%) | PHead (W) | PTumor (W) | PI () | TC25% (%) | HTQ | B1+ () | COV (%) | |
Small tumor model | ||||||||||||||||||||||
Design 1 | –32.5 | –12.5 | 2 | 46.7 | 2.8 | 36.0 | 74.2 | 1.5 | 47 | 100 | 1.00 | 2 | 43.8 | 2.4 | 18.9 | 81.2 | 1.4 | 20 | 100 | 1.04 | 0.25 | 21.7 |
Design 2 | –89.5 | –30 | 1 | 51.4 | 2.7 | 47.2 | 86.2 | 1.6 | 66 | 100 | 0.90 | 2 | 48.5 | 2.2 | 57.4 | 104.2 | 1.6 | 62 | 100 | 0.92 | 0.21 | 19.2 |
Design 3 | –71.5 | –19.5 | 1 | 53.9 | 3.6 | 65.3 | 70.9 | 1.7 | 126 | 100 | 0.84 | 2 | 53.1 | 3.1 | 77.2 | 85.8 | 1.8 | 127 | 100 | 0.84 | 0.14 | 16.4 |
Design 4 | –91 | –30.5 | 1 | 56.3 | 3.4 | 73.3 | 77.0 | 1.8 | 140 | 100 | 0.79 | 2 | 54.8 | 3.0 | 72.9 | 86.1 | 1.8 | 120 | 100 | 0.82 | 0.13 | 17.4 |
Design 5 | –97 | –28.5 | 2 | 59.0 | 4.6 | 65.5 | 55.1 | 1.8 | 178 | 100 | 0.81 | 2 | 57.4 | 3.5 | 66.9 | 75.9 | 1.8 | 135 | 100 | 0.84 | 0.08 | 14.3 |
Design 6 | –110 | –40.5 | 2 | 59.3 | 3.0 | 66.7 | 64.6 | 1.7 | 152 | 100 | 0.83 | 2 | 50.4 | 3.3 | 59.9 | 72.1 | 1.6 | 99 | 100 | 0.88 | 0.14 | 17.5 |
Design 7 | –66 | –20 | 2 | 57.1 | 4.6 | 73.0 | 47.6 | 1.5 | 191 | 100 | 0.77 | 2 | 51.9 | 3.5 | 69.9 | 70.1 | 1.7 | 125 | 100 | 0.85 | 0.02 | 11.0 |
Design 8 | –67.5 | –17.5 | 1 | 51.3 | 4.1 | 55.4 | 51.3 | 1.6 | 116 | 100 | 0.88 | 2 | 46.4 | 2.6 | 43.8 | 82.5 | 1.5 | 52 | 100 | 0.97 | 0.04 | 9.9 |
Design 9 | –77.5 | –29.5 | 1 | 55.8 | 6.2 | 70.6 | 38.5 | 1.8 | 244 | 100 | 0.83 | 1 | 53.0 | 5.1 | 65.2 | 44.2 | 1.7 | 178 | 100 | 0.87 | 0.08 | 24.1 |
Design 10 | –73 | –27.5 | 1 | 56.6 | 6.6 | 74.6 | 36.6 | 1.8 | 277 | 100 | 0.82 | 1 | 53.6 | 5.6 | 63.5 | 40.1 | 1.7 | 191 | 100 | 0.88 | 0.04 | 25.3 |
Large tumor model | ||||||||||||||||||||||
Design 1 | –62 | –21.5 | 2 | 57.3 | 2.0 | 18.8 | 84.1 | 13.6 | 21 | 100 | 1.21 | 2 | 45.2 | 1.8 | 3.2 | 87.5 | 12.2 | 3 | 100 | 1.28 | 0.59 | 28.1 |
Design 2 | –85.5 | –30.5 | 2 | 73.4 | 2.0 | 37.2 | 104.5 | 16.6 | 55 | 100 | 0.97 | 2 | 48.1 | 2.0 | 4.6 | 73.4 | 11.6 | 4 | 100 | 1.11 | 0.05 | 25.1 |
Design 3 | –88.5 | –32.5 | 2 | 96.4 | 2.7 | 45.5 | 87.0 | 18.3 | 117 | 93 | 0.86 | 2 | 82.4 | 2.4 | 47.5 | 97.2 | 18.0 | 93 | 100 | 0.92 | 0.05 | 20.1 |
Design 4 | –88.5 | –32 | 1 | 94.8 | 2.9 | 43.0 | 74.7 | 18.0 | 120 | 86 | 0.85 | 2 | 80.9 | 2.6 | 45.8 | 84.4 | 18.1 | 95 | 100 | 0.91 | 0.09 | 19.7 |
Design 5 | –109.5 | –44 | 2 | 100.3 | 3.0 | 59.1 | 92.8 | 20.6 | 174 | 98 | 0.77 | 2 | 75.5 | 2.6 | 49.6 | 95.7 | 18.0 | 99 | 100 | 0.88 | 0.10 | 20.4 |
Design 6 | –107 | –40.5 | 1 | 108.3 | 3.5 | 55.6 | 72.7 | 20.6 | 210 | 84 | 0.79 | 2 | 91.3 | 3.0 | 46.7 | 76.5 | 18.7 | 128 | 100 | 0.85 | 0.07 | 17.7 |
Design 7 | –64.5 | –20.5 | 2 | 70.7 | 2.4 | 47.9 | 91.8 | 17.8 | 82 | 100 | 0.87 | 2 | 59.6 | 2.5 | 31.9 | 84.7 | 16.0 | 47 | 100 | 0.98 | 0.05 | 14.2 |
Design 8 | –65.5 | –17.5 | 2 | 85.6 | 3.0 | 50.2 | 72.4 | 19.2 | 131 | 100 | 0.84 | 2 | 85.4 | 3.5 | 43.7 | 60.4 | 18.1 | 131 | 100 | 0.89 | 0.04 | 14.8 |
Design 9 | –63.5 | –24.5 | 1 | 104.6 | 3.1 | 32.5 | 62.4 | 16.3 | 105 | 76 | 0.99 | 2 | 101.1 | 3.0 | 29.7 | 63.6 | 15.9 | 89 | 80 | 1.02 | 0.07 | 28.6 |
Design 10 | –71.5 | –21 | 1 | 79.9 | 3.8 | 46.3 | 55.6 | 18.9 | 141 | 93 | 0.91 | 3 | 69.5 | 3.0 | 29.9 | 60.5 | 16.9 | 63 | 100 | 1.06 | 0.07 | 30.5 |
The best results are highlighted in green and bold while the worst results are red and italic.