Photo of Dr. Xiaobai Li
Dr. Xiaobai Li
ZJU100 Professor, State Key Laboratory of Blockchain and Data Security, Zhejiang University, China.
Adjunct Professor, Center for Machine Vision and Signal Analysis, University of Oulu, Finland.

About Me

Dr. Xiaobai Li (IEEE Senior member, ELLIS member) is a ZJU 100 professor with the School of Cyber Science and Technology, Zhejiang University, China. She is also an Adjunct Professor at the Center for Machine Vision and Signal Analysis (CMVS), University of Oulu, Finland. She received her Ph.D. from CMVS in 2017, and achieved the postdoc position from Academy of Finland in 2019. She worked as a tenure track assistant professor at CMVS from 2020 to 2023, and joint ZJU at Nov. 2023. Her research focuses on analyzing videos to understand human emotions and psychological status. Research regions include micro-expression analysis, micro-gesture analysis, remote physiological signals measurement, and related applications in healthcare, affective computing, biometrics and AI security.
Dr. Xiaobai Li has 70+ peer reviewed publications (G-scholar H-index 40, citation 8900+) in leading journals and conferences, such as IEEE TPAMI, TAC, IJCV, ICCV, CVPR, etc. She was among the list of ‘World’s Top 2% Scientists’ for years 2022 to 2024 announced by Stanford and Elsevier. Her research on micro-expression analysis has been reported by MIT Technology Review, Daily Mail UK, and other media, and her research on remote physiological signal measurement has been reported twice by Finnish media Kaleva. Dr. Xiaobai Li is the member of IEEE Machine Learning for Signal Processing committee. She serves as an associate editor for journals of IEEE TCSVT (2021-2024), IEEE TMM, CVIU, and IVC. She chairs multiple conferences including ICASSP (area chair), ICIPMC (program chair), and ACII conference (late breaking results Chair). Dr. Xiaobai Li also chaired multiple workshops and challenges, including the Remote Physiological Signal Sensing (RePSS) workshop challenge series in conjunction with IJCAI, the facial micro-expressions grand challenge (MEGC) series and the micro action challenge (MAC) series in conjunction with ACM MM.

Education

Projects

News

Research Areas

Key research areas under 'AI for Understanding Humans (UHAI)' research group led by Dr. Xiaobai Li.
Affective Computing

Affective Computing (AC)

Analyzing and interpreting human emotions through computational methods.

Remote Physiological Signal Measurement

Remote Physiological Signals (rPPG)

Measuring vital signs such as heart rate from video data.

Biometrics

Biometrics (Bio)

Employing facial, behavioral, and physiological characteristics for authentication.

Forgery Detection

Forgery Detection (FD)

Identifying and combating Deepfakes and other manipulations.

Publications

Below are 10 representative papers. Please visit Google Scholar for the full list of publications.

Publication Icon

(1) Contrast-Phys+: Unsupervised and Weakly-Supervised Video-Based Remote Physiological Measurement via Spatiotemporal Contrast

Z. Sun and X. Li*

IEEE Transactions on Pattern Analysis and Machine Intelligence (TPAMI), vol. 46, no. 8, pp. 5835-5851, Aug. 2024 (Jufo 3)

Publication Icon

(2) Biometric Authentication Based on Enhanced Remote Photoplethysmography Signal Morphology

Z. Sun, X. Li*, J. Komulainen, and G. Zhao

2024 IEEE International Joint Conference on Biometrics (IJCB), Sept. 2024

Publication Icon

(3) SMG: A Micro-gesture Dataset Towards Spontaneous Body Gestures for Emotional Stress State Analysis

H. Chen, H. Shi, X. Liu, X. Li, and G. Zhao

International Journal of Computer Vision, 131, 1346–1366 (2023)

Publication Icon

(4) Facial Micro-Expressions: An Overview

G. Zhao, X. Li, Y. Li, and M. Pietikäinen

Proceedings of the IEEE, vol. 111, no. 10, pp. 1215-1235, Oct. 2023 (Jufo 3)

Publication Icon

(5) Unified Video and Image Representation for Boosted Video Face Forgery Detection

H. Liu, C. Pan, Y. Liu, G. Zhao, and X. Li*

27th European Conference on Artificial Intelligence (ECAI 2024), Santiago de Compostela, Spain, Oct. 2024, IOS Press

Publication Icon

(6) Exemplar-Free Incremental Deepfake Detection

W. Xiong, G. Zhao, and X. Li*

27th European Conference on Artificial Intelligence (ECAI 2024), Santiago de Compostela, Spain, Oct. 2024, IOS Press

Publication Icon

(7) Deep Learning for Face Anti-Spoofing: A Survey

Z. Yu, Y. Qin, X. Li, C. Zhao, Z. Lei, and G. Zhao

IEEE Transactions on Pattern Analysis and Machine Intelligence, 2023, vol. 45, no. 5, pp. 5609-5631

Publication Icon

(8) Remote Heart Rate Measurement from Highly Compressed Facial Videos

Z. Yu#, W. Peng#, X. Li, X. Hong, and G. Zhao

IEEE International Conference on Computer Vision (ICCV 2019), pp. 151–160

Publication Icon

(9) Towards Reading Hidden Emotions: A Comparative Study of Spontaneous Micro-Expression Spotting and Recognition Methods

X. Li, X. Hong, A. Moilanen, X. Huang, T. Pfister, G. Zhao

IEEE Transactions on Affective Computing, vol. 9, no. 4, pp. 563-577, Oct.-Dec. 2018 (Jufo 3, 450 citations)

Publication Icon

(10) Estimating Stress in Online Meetings by Remote Physiological Signal and Behavioral Features

Z. Sun, A. Vedernikov, V.-L. Kykyri, M. Pohjola, M. Nokia, and X. Li*

Adjunct Proceedings of the 2022 ACM International Joint Conference on Pervasive and Ubiquitous Computing (UbiComp22), pp. 216-220, 2022


View All Publications...