@article{fcusrppgafastconvergingunsupervisedframe, title = {FCUS-rPPG: A Fast-Converging Unsupervised Framework for Remote Photoplethysmography via Gradient Oscillation Suppression}, author = {Jiajie Li and Yu Liu and Rencheng Song and Xun Chen and Juan Cheng}, year = {2026}, eprint = {2606.03050}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2606.03050}, }