Calibration
VideoMMMU → ERQA
ERQA is estimated from VideoMMMU with a Hill curve fitted on 7 models measured on both: y = 0.0000 + (1.2000 − 0.0000)·x^6.00 / (0.83529^6.00 + x^6.00), R² = 0.37, cross-validated error 8.5 pp. It is used for 0 estimates.