publications

A subset of publications, relevant to my current interests, are listed below.
The full list of my publications can be found on Google Scholar.

* denotes equal contribution.

2025

  1. pha25.png
    The Anatomy of a Personal Health Agent
    A. Ali Heydari, Ken Gu, Vidya Srinivas, and 35 more authors
    arXiv preprint arXiv:2508.20148, 2025
  2. lsm2.png
    LSM-2: Learning from Incomplete Wearable Sensor Data
    Girish Narayanswamy*, Maxwell A Xu*, Kumar Ayush, and 22 more authors
    arXiv preprint arXiv:2506.05321, 2025
  3. sensorlm.gif
    SensorLM: Learning the Language of Wearable Sensors
    Yuwei Zhang, Kumar Ayush, Siyuan Qiao, and 17 more authors
    arXiv preprint arXiv:2506.09108, 2025
  4. radar25.png
    RADAR: Benchmarking Language Models on Imperfect Tabular Data
    Ken Gu, Zhihan Zhang, Kate Lin, and 18 more authors
    arXiv preprint arXiv:2506.08249, 2025
  5. lsm_scaling.gif
    Scaling Wearable Foundation Models
    Girish Narayanswamy*, Xin Liu*, Kumar Ayush, and 14 more authors
    In The Thirteenth International Conference on Learning Representations, 2025
  6. rppg_bp_teaser.png
    Estimating Blood Pressure with a Camera: An Exploratory Study of Ambulatory Patients with Cardiovascular Disease
    Theodore Curran, Chengqian Ma, Xin Liu, and 5 more authors
    arXiv preprint arXiv:2503.00890, 2025

2024

  1. bigsmall.gif
    Bigsmall: Efficient multi-task learning for disparate spatial and temporal physiological measurements
    Girish Narayanswamy, Yujia Liu, Yuzhe Yang, and 4 more authors
    In Proceedings of the IEEE/CVF Winter Conference on Applications of Computer Vision, 2024
  2. embedded_llm_chi24.png
    Exploring and characterizing large language models for embedded system development and debugging
    Zachary Englhardt, Richard Li, Dilini Nissanka, and 6 more authors
    In Extended Abstracts of the CHI Conference on Human Factors in Computing Systems, 2024

2023

  1. rppg_toolbox.jpg
    rppg-toolbox: Deep remote ppg toolbox
    Xin Liu, Girish Narayanswamy*, Akshay Paruchuri*, and 7 more authors
    Advances in Neural Information Processing Systems, 2023
  2. rppg_bp1.jpg
    Camera-based remote photoplethysmography for blood pressure measurement: current evidence, clinical perspectives, and future applications
    Theodore Curran, Daniel McDuff, Xin Liu, and 4 more authors
    Connected Health And Telemedicine, 2023