HypUC: Hyperfine Uncertainty Calibration with Gradient- boosted Corrections for Reliable Regression on Imbalanced Electrocardiograms. - Uddeshya Upadhyay; Sairam Bade; Arjun Puranik; Shahir Asfahan; Melwin Babu; Francisco Lopez-Jimenez; Samuel J. Asirvatham; Ashim Prasad; Ajit Rajasekharan; Samir Awasthi; Rakesh Barve (Trans. Mach. Learn. Res., 2023)