Hailun Xu

Researcher, Bytedance, ByteDance Inc.

Joined

January 2025

Names

Hailun Xu (Preferred)

Emails

****@bytedance.com (Confirmed)

,

****@gmail.com (Confirmed)

Personal Links

Career & Education History

Researcher

Bytedance, ByteDance Inc. (bytedance.com)

2022 – 2026

postgraduate

beihang university, Beijing University of Aeronautics and Astronautics (buaa.edu.cn)

2015 – 2018

Advisors, Relations & Conflicts

Coauthor

2025 – 2025

Coauthor

2024 – 2024

Expertise

Multi-modal LLM

2024 – 2025

embedding model

2023 – 2025

Publications

MLT-Dedup: Efficient Large-Scale Online Video Deduplication via Multi-Level Representations and Spatial-Temporal Matching
David Yuchen Wang, Haoying Li, Hailun Xu, Wei Chee Yew, Zirui Zhu, Sanjay Saha, Hei Hao, Kanchan Sarkar, Kun Xu
- Submitted to KDD ADS Track 2
- Readers: Everyone
Dynamic Content Moderation in Livestreams: Combining Supervised Classification with MLLM-Boosted Similarity Matching
Wei Chee Yew, Hailun Xu, Sanjay Saha, Xiaotian Fan, Hiok Hian Ong, David Yuchen Wang, Kanchan Sarkar, Zhenheng Yang, Danhui Guan
- KDD ADS Cycle 1
- Readers: Everyone
CAMEL: Confidence-Gated Reflection for Reward Modeling
Zirui Zhu, Hailun Xu, Yang Luo, Yong Liu, Kanchan Sarkar, Kun Xu, Yang You
- ICML
- Readers: Everyone
FOCUS: Efficient Keyframe Selection for Long Video Understanding
Zirui Zhu, Hailun Xu, Yang Luo, Yong Liu, Kanchan Sarkar, Zhenheng Yang, Yang You
- ICLR 2026 Poster
- Readers: Everyone
SeedFT: Structure-Preserving Fusion for Multi-Seed LLM Fine-Tuning
Yong Liu, Di Fu, Hailun Xu, Yang Luo, Zirui Zhu, Kanchan Sarkar, Zhenheng Yang, Minhao Cheng, Cho-Jui Hsieh, Yang You
- Submitted to ICLR 2026
- Readers: Everyone
Info-Coevolution: An Efficient Framework for Data Model Coevolution
Ziheng Qin, Hailun Xu, Wei Chee Yew, Qi Jia, Yang Luo, Kanchan Sarkar, Danhui Guan, Kai Wang, Yang You
- ICML 2025 poster
- Readers: Everyone

Co-Authors