Table 5.
Performance of networks with different components on the fastMRI dataset with radial sampling.
Methods | NMSE (× 10−3) ↓ | PSNR ↑ | SSIM (↓ 10−2) ↑ | |||
---|---|---|---|---|---|---|
mean±std | p-value | mean±std | p-value | mean±std | p-value | |
Without self-attention | 15.47±0.02 | 1.90e-6 | 40.00±3.15 | 3.14e-9 | 94.83±0.05 | 2.67e-11 |
Channel-attention alone | 15.25±0.03 | 5.61e-5 | 40.13±3.05 | 9.14e-7 | 94.94±0.05 | 4.19e-10 |
Frequency-attention alone | 15.11±0.02 | 5.44e-6 | 40.23±3.02 | 3.37e-6 | 95.03±0.06 | 3.29e-12 |
ACNN-k-Space | 14.93±0.02 | - | 40.39±3.25 | - | 95.21±0.05 | - |