Table 3.
PSNR (dB) measures of the results reconstructed by the four different methods.
| mAs | Views | FBP | ASR-FBP | TV-POCS | ASR-TV-POCS |
|---|---|---|---|---|---|
| 17mAs | 116-view | 16.9497 | 20.5338 | 32.6752 | 34.0324 |
| 145-view | 18.0506 | 21.7104 | 33.5324 | 34.5854 | |
| 290-view | 21.0550 | 25.2950 | 34.9461 | 36.0262 | |
| 580-view | 24.3090 | 28.9279 | 36.7447 | 37.4624 | |
| 1160-view | 27.5427 | 32.3093 | 37.7733 | 38.2918 | |
|
| |||||
| 40mAs | 116-view | 20.0626 | 21.6863 | 35.0409 | 35.2722 |
| 145-view | 21.1678 | 22.8314 | 35.6757 | 36.2402 | |
| 290-view | 24.6756 | 26.5985 | 37.7371 | 37.8855 | |
| 580-view | 28.2640 | 30.5517 | 38.2622 | 38.6150 | |
| 1160-view | 31.6701 | 34.1668 | 38.3347 | 38.6865 | |
|
| |||||
| 60mAs | 116-view | 21.2587 | 22.0740 | 35.7341 | 35.9444 |
| 145-view | 22.4605 | 23.2704 | 36.8687 | 36.9564 | |
| 290-view | 26.1021 | 27.0822 | 38.2373 | 38.4502 | |
| 580-view | 29.9948 | 31.2320 | 38.5218 | 38.6768 | |
| 1160-view | 33.6561 | 35.0743 | 38.5512 | 38.7255 | |
| 116-view | 21.9208 | 22.3529 | 36.3670 | 36.4653 | |
|
| |||||
| 80mAs | 145-view | 23.1206 | 23.5660 | 37.3681 | 37.4172 |
| 290-view | 26.9914 | 27.4973 | 38.4344 | 38.5919 | |
| 580-view | 31.1352 | 31.7663 | 38.6596 | 38.7142 | |
| 1160-view | 34.9811 | 35.7318 | 38.6622 | 38.7522 | |
| 116-view | 22.4301 | 22.6470 | 36.6651 | 36.6771 | |
|
| |||||
| 100mAs | 145-view | 23.6624 | 23.8661 | 37.7054 | 37.7195 |
| 290-view | 27.6705 | 27.9117 | 38.6482 | 38.7212 | |
| 580-view | 32.0549 | 32.3674 | 38.7372 | 38.7663 | |
| 1160-view | 36.1861 | 36.5709 | 38.7509 | 38.7962 | |