Table 2 Simulation—SNR: mean values and (standard deviation)
From: Masked smoothing using separable kernels for CT perfusion images
Method\SNR | 1 | 2 | 3 (least noise) |
|---|---|---|---|
Noise – No smoothing | 53.6 (49.0) | 49.9 (27.1) | 50.8 (16.9) |
Simple smoothing | 66.4 (3.3) | 66.4 (1.6) | 60.4 (1.1) |
Removed smoothing | 33.6 (2.6) | 33.6 (1.3) | 33.6 (0.8) |
Masked smoothing | 50.0 (3.9) | 49.9 (1.9) | 50.0 (1.3) |