Publications

You can also find my articles on my Google Scholar profile.

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SpO2 Predictor-Guided Stage-Wise Time-Frequency Reconstruction of Low-Quality Dual-Wavelength PPG for Oxygen Saturation Estimation

Published in arXiv preprint arXiv:2607.07996, 2026

Author: Zequan Liang, Elahe Hosseini, Ning Miao, Mahdi Pirayesh Shirazi Nejad, Wei Shao, Ehsan Kourkchi, Setareh Rafatirad, Houman Homayoun

Low-Rate Wrist SpO2 Estimation under Micro-Perturbations Using Motion-Aware Beat Selection and Perfusion-Guided Calibration

Published in 2026 IEEE 21st International Conference on Body Sensor Networks (BSN), 2026

Author: Zequan Liang, Ning Miao, Wei Shao, Mahdi Pirayesh Shirazi Nejad, Ehsan Kourkchi, Hossein Sayadi, Setareh Rafatirad, Houman Homayoun

Unit-Independent Low-Rate Wrist GSR Processing for Stress Detection Using Phasic nSCR Features

Published in 2026 IEEE 21st International Conference on Body Sensor Networks (BSN), 2026

Author: Zequan Liang, Sally Hang, Geneva M Jost, Ning Miao, Wei Shao, Mahdi Pirayesh Shirazi Nejad, Hossein Sayadi, Ehsan Kourkchi, Setareh Rafatirad, Camelia E Hostinar, Houman Homayoun

Lightweight Cross-Device Sleep Tracking on the WeBe Wearable Platform

Published in Proceedings of the Great Lakes Symposium on VLSI 2026, 2026

Author: Wei Shao, Ehsan Kourkchi, Krishi Shah, Zequan Liang, Setareh Rafatirad, Houman Homayoun

Self-Supervised and Topological Signal-Quality Assessment for Any PPG Device

Published in 2025 IEEE 21st International Conference on Body Sensor Networks (BSN), 2025

Author: Wei Shao, Ruoyu Zhang, Zequan Liang, Ehsan Kourkchi, Setareh Rafatirad, Houman Homayoun

Generalizable Blood Pressure Estimation from Multi-Wavelength PPG Using Curriculum-Adversarial Learning

Published in 2025 IEEE 21st International Conference on Body Sensor Networks (BSN), 2025

Author: Zequan Liang, Ruoyu Zhang, Wei Shao, Mahdi Pirayesh Shirazi Nejad, Ehsan Kourkchi, Setareh Rafatirad, Houman Homayoun

Rapid Adaptation of SpO2 Estimation to Wearable Devices via Transfer Learning on Low-Sampling-Rate PPG

Published in 2025 IEEE 21st International Conference on Body Sensor Networks (BSN), 2025

Author: Zequan Liang, Ruoyu Zhang, Wei Shao, Krishna Karthik, Ehsan Kourkchi, Setareh Rafatirad, Houman Homayoun

Know me by my pulse: Toward practical continuous authentication on wearable devices via wrist-worn ppg

Published in Network and Distributed Systems Security (NDSS) Symposium, 2025

Author: Wei Shao, Zequan Liang, Ruoyu Zhang, Ruijie Fang, Ning Miao, Ehsan Kourkchi, Setareh Rafatirad, Houman Homayoun, Chongzhou Fang

Modfinity: Unsupervised domain adaptation with multimodal information flow intertwining

Published in Proceedings of the Computer Vision and Pattern Recognition Conference (CVPR), 2025

Author: Shanglin Liu, Jianming Lv, Jingdan Kang, Huaidong Zhang, Zequan Liang, Shengfeng He

A multi-modal multi-expert framework for pain assessment in postoperative children

Published in IEEE Transactions on Affective Computing, 2025

Author: Zequan Liang, Hao Luo, Xi Chen, Zhipeng Zhong, Cheng Fan, Xingrong Song, Bilian Li, Jianming Lv

Automated scoring of asynchronous interview videos based on multi-modal window-consistency fusion

Published in IEEE Transactions on Affective Computing, 2023

Author: Jianming Lv, Chujie Chen, Zequan Liang