SMILE Lab

Statistics & Machine Learning

We develop novel and explainable machine learning mechanisms to enhance real-world AI applications, interpret complex data, and support scientific discovery while ensuring data privacy and security.

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Asst Prof. MA Jiawei Phoenix

Bio: Phoenix Jiawei MA is a tenure-track Assistant Professor City University of Hong Kong. He obtained his Ph.D. degree at Columbia University in the City of New York, working with Prof. Shih-Fu Chang. He gained internship at FAIR Labs @ Meta AI, Google Research, Amazon Alexa AI (currently AGI Team), and Nokia Bell Labs. His primary research directions are Computer Vision, Multi-Modal, and Statistical Machine Learning.

Latest News

Feb. 2026
We will organize a workshop in CVPR 2026: ActiVis.
Jan. 2026
One paper got accepted by International Journal of Computer Vision.
Sep. 2024
I will serve as an Area Chair for CVPR 2025.

Selected Publications

Explaining Domain Shifts in Language: Concept erasing for Interpretable Image Classification

Zequn Zeng, Yudi Su, Jianqiao Sun, Tiansheng Wen, Hao Zhang, Zhengjue Wang, Bo Chen, Hongwei Liu, Jiawei Ma

IEEE Conference on Computer Vision and Pattern Recognition (CVPR), 2025

MoDE: CLIP Data Experts via Clustering

Jiawei Ma, Po-Yao Huang, Saining Xie, Shang-Wen Li, Luke Zettlemoyer, Shih-Fu Chang, Wen-Tau Yih, Hu Xu

IEEE Conference on Computer Vision and Pattern Recognition (CVPR), 2024

Rapidly Adaptable Automated Interpretation of Point-of-Care COVID-19 Diagnostics

Siddarth Arumugam, Jiawei Ma, Uzay Macar, Guangxing Han, Kathrine McAulay, Darrell Ingram, Alex Ying, Harshit Harpaldas Chellani, Terry Chern, Kenta Reilly, David A. M. Colburn, Robert Stanciu, Craig Duffy, Ashley Williams, Thomas Grys, Shih-Fu Chang & Samuel K. Sia

Communications Medicine 2023 (Nature Portfolio), 2023