Table 5 Noise parameters estimates retrieved from the real fluoroscopic sequences, with relative errors on single parameters extracted from TOR-CDR sequences with respect to TOR-18FG ones for each tube setting
From: Toward a priori noise characterization for real-time edge-aware denoising in fluoroscopic devices
kVp | mA | TOR-18FG | TOR-CDR | Errors | |||
|---|---|---|---|---|---|---|---|
\(a\) | \(b\) | \(a\) | \(b\) | \({a}_{err}\) | \({b}_{err}\) | ||
40 | 10 | 7.15091 | 123.033 | 7.20909 | 125.312 | 0.00814 | 0.01852 |
40 | 20 | 4.37212 | 401.807 | 4.32512 | 384.611 | − 0.01075 | − 0.04280 |
40 | 30 | 3.45425 | 522.778 | 3.45683 | 526.265 | 0.00075 | 0.00667 |
40 | 40 | 2.99311 | 615.161 | 2.95042 | 633.000 | − 0.01426 | 0.02900 |
40 | 50 | 2.66481 | 702.262 | 2.65917 | 704.725 | − 0.00212 | 0.00351 |