Jiaer Xia

Hong Kong Baptist University

Jiaer Xia is currently a first-year PhD student at the Department of Computer Science, Hong Kong Baptist University, supervised by Prof. Kaiyang Zhou.

Previously, He is a Master student of MACLab at the Xiamen University, supervised by Prof. Rongrong Ji.

He received his Bachelor's Degree of Engineering(2017-2021) from the Donghua University, and worked closely with Prof. Mingbo Zhao.

My current research mainly focuses on the Multimodal LLMs. Feel free to contact me.

News

5 / 2025

We have released the Visionary-R1, a new RL method for visual reasoning.

3 / 2024

CycleTrans is accepted to TNNLS.

12 / 2023

Two papers, ADP and SPT, are accepted to AAAI 2024.

Services

Academic Services

Journal Reviewer: IJCV, TCSVT

Conference Reviewer: CVPR, ECCV, ICCV, NeurIPS, ICLR, ICML, AISTATS

Teaching

Hong Kong Baptist University

COMP7065: Innovative Laboratory - Teaching Assistant

Undergraduate Final Year Projection

Research

Visionary-R1: Mitigating Shortcuts in Visual Reasoning with Reinforcement Learning
Jiaer Xia, Yuhang Zang, Peng Gao, Yixuan Li, Kaiyang Zhou^†
Preprint
Paper | Code | Blog |

Pure reinforcement learning for visual reasoning without chain-of-thought annotations.

Attention Disturbance and Dual-Path Constraint Network for Occluded Person Re-Identification
Jiaer Xia, Lei Tan, Pingyang Dai^†, Mingbo Zhao, Yongjian Wu, Liujuan Cao
AAAI 2024
Paper | Arxiv |

Occluded Person Re-Identification via Saliency-Guided Patch Transfer
Lei Tan, Jiaer Xia, Wenfeng Liu, Pingyang Dai^†, Yongjian Wu, Liujuan Cao
AAAI 2024
Paper | Arxiv |

CycleTrans: Learning Neutral yet Discriminative Features for Visible-Infrared Person Re-Identification
Qiong Wu, Jiaer Xia, Pingyang Dai^†, Yiyi Zhou, Yongjian Wu, Rongrong Ji
TNNLS
Paper | Arxiv |