Robust optimization for PPG-based blood pressure estimation

Sungjun Lim, Taero Kim, Hyeonjeong Lee, Yewon Kim, Minhoi Park, Kwang-Yong Kim, Minseong Kim, Kyu Hyung Kim, Jiyoung Jung, Kyungwoo Song

Abstract: Highlights•Propose Time-CutMix, a group-aware data augmentation method, and validate it theoretically.•Introduce ConvTransformer to capture both local and global context of PPG signals.•Develop CD-REx, a robust optimization method considering count and distribution per group.