paper
Illumination-Robust Camera-Based Heart-Rate Estimation for Physiological Sensing in Robots
paperactiveprovisional
illumination-robust-camera-based-heart-rate-estimation-for-physiological-sensing-in-robots-218e44a6·1 events·first seen 6d agoAliases: Illumination-Robust Camera-Based Heart-Rate Estimation for Physiological Sensing in Robots
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Illumination-robust rPPG heart-rate estimation via spatial-temporal transformer for robot-mounted cameras
A new arXiv paper presents an end-to-end spatial-temporal transformer framework for remote photoplethysmography (rPPG) heart-rate estimation that is robust to illumination variation, targeting robot-mounted RGB cameras. The system integrates 3D face alignment, illumination augmentation, a Residual Temporal Standardization Module, and a hybrid waveform-plus-spectral loss. On a new dataset spanning three illumination levels, the method achieves 0.79 bpm MAE and 0.982 HR correlation, reducing error by 93.6% relative to the PhysFormer baseline. The work is relevant to physiological sensing in service and assistive robotics.