Table 3.
Noise reduction performance of the five reconstruction methods for the anthropomorphic torso phantom
Metrics | FBP | FBP+NLM filtering | PWLS-NLM | PWLS-adaptiveNLM | PWLS-TV |
---|---|---|---|---|---|
PSNR (dB) | 31.00 | 38.91 | 39.17 | 39.39 | 39.09 |
NMSE (1e-4) | 148.54 | 24.06 | 22.62 | 21.54 | 23.11 |