SMILE Lab

Statistics & MachIne LEarning

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

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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 Continual Learning and Multi-Modal Representation Learning.

Latest News

Sep. 2026
I will serve as an Area Chair for CVPR 2027
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

Multimodal Diagnosing and Correcting Bias in MLLM for Long Video Understanding

Xusheng Liang, Jianqiao Sun, Hao Zhang, Yulei Niu, Hengshuang Zhao, Jiawei Ma

Annual Conference on Neural Information Processing Systems (NeurIPS), 2026

Mitigating Error Accu-mulation in Continuous Navigation via Memory-Augmented Kalman Filtering

Yin Tang, Jiawei Ma, Jinrui Zhang, Jinpeng Wang, Deyu Zhang

International Conference of Machine Learning (ICML), 2026

Multimodal Causality-Driven Representation Learning for Generalizable Medical Image Segmentation

Xusheng Liang*, Lihua Zhou, Nianxin Li, Miao Xu, Ziyang Song, Dong Yi, Jinlin Wu, Jiawei Ma, Hongbin Liu, Zhen Lei, Jiebo Luo.

IEEE Conference on Computer Vision and Pattern Recognition (CVPR), 2026

Multi-Modal Few-Shot Object Detection with Meta-Learning-Based Cross-Modal Prompting

Guangxing Han, Long Chen, Jiawei Ma, Shiyuan Huang, Rama Chellappa, and Shih-Fu Chang

International Journal of Computer Vision (IJCV), 2026

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