Chengxiao Li

Hey! I am Chengxiao Li, a PhD student at AIoT Lab, CDS, HKU in Hong Kong, advised by Prof. Chenshu Wu. Before that, I received my B.Eng from Dalian University of Technology (DLUT) and my M.Sc from the University of Hong Kong (HKU).

Research interests

AI for healthcare, leveraging wireless sensors such as infrared array (IRA) and Wi-Fi for healthcare sensing tasks.
Wireless sensing, encompassing IRA, DToF sensor, mmWave radar, and WiFi applications.
Human-centric AI, especially edge-device-based healthcare and human–computer interaction.

E-Mail Google Scholar

Publications

Facial Expression Recognition with DToF Sensing

Chengxiao Li, Zhangxie, Chenshu Wu^†

ICASSP 2025

paper

Tapor: 3D Hand Pose Reconstruction with Fully Passive Thermal Sensing for Around-device Interactions

Xie Zhang, Chengxiao Li, Chenshu Wu

Ubicomp 2025

paper

OctoNet: A Large-Scale Multi-Modal Dataset for Human Activity Understanding Grounded in Motion-Captured 3D Pose Labels

Dongsheng Yuan, Xie Zhang, Weiying Hou, Sheng Lyu, Luca Jiang-Tao Yu, Yuemin Yu, Chengxiao Li, Chenshu Wu

NeurIPS 2025 D&B

Awards

Sept. 2024	HKU Postgraduate Scholarship
Oct. 2020	DLUT Social Practice Scholarship

Academic Service

TA	COMP3230 (Principles of operating systems, 2024)
TA	COMP3230 (Principles of operating systems, 2025)
Workshop Web Chair	HotSense @ ACM MobiCom 2025

Affiliations

HKU

Hong Kong · 2022 - present

DLUT

School of Software, DLUT

Dalian, China · 2018 - 2022