Maxwell A. Xu
University of Illinois Urbana-Champaign, Urbana, Illinois, USA
ORCID iD+1 more
- University of Illinois Urbana-Champaign / Google (per-author mapping not given)
Highlights
- papers
- 10
- models
- 9
- SOTA
- 3
- Cuffless blood pressure · PPG-BPMAE (mmHg) 8.878 · Pulse-PPG · Share
- Hypertension · PPG-BPAUROC 0.7971 · Pulse-PPG · Share
- Stress / affect · WESADAUROC 0.9687 · Pulse-PPG · Share
+1 more SOTA results on the linked model pages.
Maxwell A. Xu has 10 papers in the ChatPPG research atlas (2024–2026), linked to 9 models, with work using 9 datasets and 80 co-authors in the atlas. Main topics: accelerometer, ssl, har, foundation-model, ppg, PPG.
Papers
Bio-PM: Bio-Inspired Self-Supervised Learning for Wrist-worn Accelerometer DataarXiv preprint · 2026
GlucoFM: A Dual-Stream Foundation Model for Continuous Glucose MonitoringarXiv preprint · 2026
Insulin Resistance Prediction from Wearables and Routine Blood BiomarkersNature 2026 · 2026
SensorFM: Toward a General Intelligence and Interface for Wearable Health DataarXiv preprint · 2026
Variable Input Masked Autoencoders for Wrist-Worn Accelerometry (VarMAE)ICLR 2027 submission · 2026
LSM-2: Learning from Incomplete Wearable Sensor DataGoogle Research blog · 2025
Pulse-PPG: An Open-Source Field-Trained PPG Foundation Model for Wearable Applications Across Lab and Field SettingsProceedings of the ACM on Interactive, Mob · 2025
SensorLM: Learning the Language of Wearable SensorsarXiv preprint · 2025
RelCon: Relative Contrastive Learning for a Motion Foundation ModelarXiv preprint · 2024
RelCon: Relative Contrastive Learning for a Motion Foundation Model for Wearable DataICLR 2025 · 2024
Models
Bio-PMFoundation modelIMU2026 · Open weights
GlucoFMFoundation modelGlucose2026
Google LSM-2 / AIMFoundation modelPPGIMUEDA2025
OpenTSLMTime-Series Language Models (Stanford / ETH Zurich)ECGIMUEEG2025 · Open weights
Pulse-PPGFoundation modelPPG2025 · Open weights
RelConFoundation modelIMU2024
SensorFM (Google)Foundation modelPPGIMUEDA2026
SensorLMFoundation modelPPGIMUSpO₂2025
VarMAEvariable-input masked autoencoder for wrist-worn accelerometryFoundation modelIMU2026
Datasets used in this work
CAPTURE-24151 subjects · IMU
HARTHthigh + lower-back accelerometers, free-living, video-annotated (n=22)22 subjects · IMU
NHANES 2011-2012 Physical Activity Monitor - Raw Data 80hz (PAX80_G)IMU
OpenWatchsmartwatch IMU+PPG hand-gesture benchmark (n=50, >10 h, 59 gesture sequences)50 subjects · PPG · IMU
PAAWS R1multi-site accelerometer/IMU, lab + 7-day free-living + home PSG (n=252)252 subjects · IMU
RealWorld HARmulti-position smartphone/smartwatch IMU (n=15)15 subjects · IMU · Audio · gps
MOODSMobile Open Observation of Daily Stressors (Fossil Sport WearOS watch, 100-day field study; private)122 subjects · PPG · IMU
PPG-DaLiAPPG dataset for motion compensation / HR15 subjects · PPG · ECG · IMU
WESADWearable Stress and Affect Detection15 subjects · PPG · ECG · IMU
Co-authors
James M. RehgAhmed A. MetwallyMark Malhotra
Shwetak Patel
Yuzhe Yang
A. Ali Heydari
Daniel McDuffGirish Narayanswamy
Xin LiuYuwei Zhang
Jake Garrison
Pushmeet Kohli
Tim AlthoffXuhai "Orson" Xu
Yun LiuConor HeneghanDarren Forde
Dimitris SpathisGregory DarnellHaraldur HallgrimssonHyewon JeongJaya NarainKarthik J. RaghuramKumar AyushEmbed a profile badge for a website, README or CV
Markdown
[](https://chatppg.com/research/authors/maxwell-a-xu)HTML
<a href="https://chatppg.com/research/authors/maxwell-a-xu"><img src="https://chatppg.com/research/badges/author/maxwell-a-xu.svg" alt="ChatPPG research profile: Maxwell A. Xu · 10 papers · 3 SOTA" height="20"></a>The badge updates when new papers or SOTA results are added. It links to this page.