Lei Ji

Researcher, Multimodal, Research, Microsoft

Joined

July 2019

Names

Lei Ji

Emails

****@microsoft.com (Confirmed)

****@hotmail.com (Confirmed)

Personal Links

DBLP

ORCID

Semantic Scholar

Career & Education History

Researcher

Multimodal, Research, Microsoft (research.microsoft.com)

2017 – 2029

Advisors, Relations & Conflicts

Coworker

chenfei wu

2016 – 2023

Expertise

Multimodal learning

video and language understanding and generation

Present

Publications

Behind RoPE: How Does Causal Mask Encode Positional Information?
Junu Kim, Xiao Liu, Zhenghao Lin, Lei Ji, Yeyun Gong, Edward Choi
- ICLR 2026 Conference Withdrawn Submission
- Readers: Everyone
TL;DR: Too Long, Do Re-weighting for Efficient LLM Reasoning Compression
Zhong-Zhi Li, Xiao Liang, Zihao Tang, Lei Ji, Peijie Wang, Haotian Xu, Xing W, Haizhen Huang, Weiwei Deng, Yeyun Gong, Zhijiang Guo, Xiao Liu, Fei Yin, Cheng-Lin Liu
- ICLR 2026 Conference Withdrawn Submission
- Readers: Everyone
PeRL: Permutation-Enhanced Reinforcement Learning for Interleaved Vision-Language Reasoning
Yizhen Zhang, Yang Ding, Shuoshuo Zhang, Xinchen Zhang, Haoling Li, Zhong-Zhi Li, Peijie Wang, Jie Wu, Lei Ji, Yeyun Gong, yelong shen, Yujiu Yang
- NeurIPS 2025 poster
- Readers: Everyone
Overcoming Vocabulary Mismatch: Vocabulary-agnostic Teacher Guided Language Modeling
Haebin Shin, Lei Ji, Xiao Liu, Yeyun Gong
- ICML 2025 poster
- Readers: Everyone
ToolGen: Unified Tool Retrieval and Calling via Generation
Renxi Wang, Xudong Han, Lei Ji, Shu Wang, Timothy Baldwin, Haonan Li
- ICLR 2025 Poster
- Readers: Everyone
Voila-A: Aligning Vision-Language Models with User's Gaze Attention
Kun Yan, Zeyu Wang, Lei Ji, Yuntao Wang, Nan Duan, Shuai Ma
- NeurIPS 2024 spotlight
- Readers: Everyone
G-VOILA: Gaze-Facilitated Information Querying in Daily Scenarios
Zeyu Wang, Yuanchun Shi, Yuntao Wang, Yuchen Yao, Kun Yan, Yuhan Wang, Lei Ji, Xuhai Xu, Chun Yu
- Proc. ACM Interact. Mob. Wearable Ubiquitous Technol. 2024
- Readers: Everyone
Exploring Diffusion Time-steps for Unsupervised Representation Learning
Zhongqi Yue, Jiankun Wang, Qianru Sun, Lei Ji, Eric I-Chao Chang, Hanwang Zhang
- ICLR 2024
- Readers: Everyone
AssistGUI: Task-Oriented PC Graphical User Interface Automation
Difei Gao, Lei Ji, Zechen Bai, Mingyu Ouyang, Peiran Li, Dongxing Mao, Qinchen Wu, Weichen Zhang, Peiyi Wang, Xiangwu Guo, Hengxu Wang, Luowei Zhou, Mike Zheng Shou
- CVPR 2024
- Readers: Everyone
Voila-A: Aligning Vision-Language Models with User's Gaze Attention
Kun Yan, Lei Ji, Zeyu Wang, Yuntao Wang, Nan Duan, Shuai Ma
- CoRR 2024
- Readers: Everyone

View all 88 publications

Co-Authors

View all 199 co-authors