SpO2-predictor-guided masked time-frequency PPG reconstruction yields subject-level MAE of 2.882% (OpenOximetry) and 2.359% (private wearable) versus stronger baselines.
Pulse oximetry for the measurement of oxygen saturation in arterial blood,
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SpO$_2$ Predictor-Guided Stage-Wise Time-Frequency Reconstruction of Low-Quality Dual-Wavelength PPG for Oxygen Saturation Estimation
SpO2-predictor-guided masked time-frequency PPG reconstruction yields subject-level MAE of 2.882% (OpenOximetry) and 2.359% (private wearable) versus stronger baselines.