Yifan Wang
Yifan Wang has 1 paper in the ChatPPG research atlas (2026), linked to 1 model and 1 co-author in the atlas. Main topics: womens-health, parameter-efficient, lora, adapters, menstrual, sleep.
Papers
- FemWear: A Parameter-Efficient Wearable Foundation Model for Women's Health2026 · arXiv preprint
CUHK-Shenzhen team takes Stanford's open OpenMHC wearable backbone (frozen, 21.5M params) and adds a tiny (1.11%, 239K param) low-rank adapter plus task-family heads to specialize it for women's-health outcomes — menstrual phase/onset, symptom severity (cramps, mood, sleep), pregnancy, and general ability retention. It is explicitly not a new pretraining effort: it's a parameter-efficient fine-tuning (PEFT) recipe layered on someone else's foundation model, evaluated on six cohorts including the hormone-verified mcPHASES dataset (42 participants, Fitbit + urinary LH/estrogen/progesterone).
- Venue: arXiv preprint
- Subjects: 42
- Signals: accelerometer, ppg, skin_temperature