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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