Table 1 Additional reconstruction results on different MR images with a pseudo-Gaussian mask under different sample ratios
Test image | Metric | Algorithm | Sampling ratio | ||||
|---|---|---|---|---|---|---|---|
0.1 | 0.2 | 0.3 | 0.4 | 0.5 | |||
Human brain1 | SSIM | FADMM | 0.3493 | 0.4497 | 0.7052 | 0.9707 | 0.9842 |
ALPADMM | 0.1470 | 0.5126 | 0.9748 | 0.9836 | 0.9904 | ||
FLPADMM | 0.3981 | 0.5241 | 0.9788 | 0.9869 | 0.9918 | ||
CPU time (s) | FADMM | 2.9609 | 3.0238 | 3.0955 | 3.1921 | 3.6528 | |
ALPADMM | 4.2605 | 4.3840 | 4.4864 | 4.6043 | 4.7250 | ||
FLPADMM | 4.0840 | 4.3312 | 4.4342 | 4.5427 | 4.5791 | ||
Human brain2 | SSIM | FADMM | 0.2786 | 0.3702 | 0.7391 | 0.9828 | 0.9914 |
ALPADMM | 0.1631 | 0.4244 | 0.9877 | 0.9922 | 0.9955 | ||
FLPADMM | 0.3325 | 0.4215 | 0.9911 | 0.9944 | 0.9961 | ||
CPU time (s) | FADMM | 3.0527 | 3.2095 | 3.2354 | 3.2802 | 3.2332 | |
ALPADMM | 4.3250 | 4.4526 | 4.7770 | 4.5932 | 4.6251 | ||
FLPADMM | 4.2333 | 4.4974 | 4.5447 | 4.4557 | 4.6193 | ||
Human spine | SSIM | FADMM | 0.2077 | 0.3270 | 0.4755 | 0.5528 | 0.6200 |
ALPADMM | 0.4396 | 0.7779 | 0.9425 | 0.9672 | 0.9807 | ||
FLPADMM | 0.6235 | 0.7869 | 0.9731 | 0.9830 | 0.9889 | ||
CPU time (s) | FADMM | 2.9718 | 3.0915 | 3.1162 | 3.1401 | 3.1521 | |
ALPADMM | 4.3979 | 4.4857 | 4.6409 | 4.5899 | 4.6300 | ||
FLPADMM | 4.3400 | 4.4285 | 4.4914 | 4.5481 | 4.6091 | ||