PPaperPicks

Xu Sun

Peking University, School of EECS, MOE Key Lab of Computational Linguistics, China

19 papers at tracked venues · 14 at CORE A* · active 2024–2026

DBLP profile ↗ORCID 0000-0001-8241-9320 ↗Homepage ↗

Venues

ACL ×5EMNLP ×3AAAI ×2ACM MM ×2CVPR ×2ICLR ×2ECCV ×1NAACL ×1NeurIPS ×1

Frequent coauthors

Yuanxin Liu
×8
Shicheng Li
×7
Shuhuai Ren
×7
Linli Yao
×7
Lei Li
×6
Jie Zhou
×5
Lean Wang
×4
Hao Zhou
×4
Fandong Meng
×4
Kun Ouyang
×4
Yuanxing Zhang
×4
Yi Liu
×4

Papers

  1. Investigating Cross-Modal Skill Injection: Scenarios, Methods, and Hyperparameters
    ACL 2026 ·
    Zhiyu Xu
    ,
    Lean Wang
    ,
    Yuanxin Liu
    ,
    Lei Li
    ,
    Hao Zhou
    ,
    Fandong Meng
    ,
    Jie Zhou
    , Xu Sun
  2. TEMPLE: Incentivizing Temporal Understanding of Video Large Language Models via Progressive Pre-SFT Alignment
    AAAI 2026 ·
    Shicheng Li
    ,
    Lei Li
    ,
    Kun Ouyang
    ,
    Shuhuai Ren
    ,
    Yuanxin Liu
    ,
    Yuanxing Zhang
    ,
    Fuzheng Zhang
    ,
    Lingpeng Kong
    ,
    Qi Liu
    , Xu Sun
  3. ATLANTIS: Weak-to-Strong Learning via Importance Sampling
    ACL 2025 ·
    Yi Liu
    ,
    Guoyin Wang
    ,
    Shicheng Li
    ,
    Feifan Song
    , Xu Sun
  4. Generative Frame Sampler for Long Video Understanding
    ACL 2025 ·
    Linli Yao
    ,
    Haoning Wu
    ,
    Kun Ouyang
    ,
    Yuanxing Zhang
    ,
    Caiming Xiong
    ,
    Bei Chen
    , Xu Sun,
    Junnan Li
  5. InstructAvatar: Text-Guided Emotion and Motion Control for Avatar Generation
    AAAI 2025 ·
    Yuchi Wang
    ,
    Junliang Guo
    ,
    Jianhong Bai
    ,
    Runyi Yu
    ,
    Tianyu He
    ,
    Xu Tan
    , Xu Sun,
    Jiang Bian
  6. PunchBench: Benchmarking MLLMs in Multimodal Punchline Comprehension
    ACL 2025 ·
    Kun Ouyang
    ,
    Yuanxin Liu
    ,
    Shicheng Li
    ,
    Yi Liu
    ,
    Hao Zhou
    ,
    Fandong Meng
    ,
    Jie Zhou
    , Xu Sun
  7. RICO: Improving Accuracy and Completeness in Image Recaptioning via Visual Reconstruction
    EMNLP 2025 ·
    Yuchi Wang
    ,
    Yishuo Cai
    ,
    Shuhuai Ren
    ,
    Sihan Yang
    ,
    Linli Yao
    ,
    Yuanxin Liu
    ,
    Yuanxing Zhang
    ,
    Pengfei Wan
    , Xu Sun
  8. Temporal Reasoning Transfer from Text to Video
    ICLR 2025 ·
    Lei Li
    ,
    Yuanxin Liu
    ,
    Linli Yao
    ,
    Peiyuan Zhang
    ,
    Chenxin An
    ,
    Lean Wang
    , Xu Sun,
    Lingpeng Kong
    ,
    Qi Liu
  9. TimeChat-Online: 80% Visual Tokens are Naturally Redundant in Streaming Videos
    ACM MM 2025 ·
    Linli Yao
    ,
    Yicheng Li
    ,
    Yuancheng Wei
    ,
    Lei Li
    ,
    Shuhuai Ren
    ,
    Yuanxin Liu
    ,
    Kun Ouyang
    ,
    Lean Wang
    ,
    Shicheng Li
    ,
    Sida Li
    ,
    Lingpeng Kong
    ,
    Qi Liu
    ,
    Yuanxing Zhang
    , Xu Sun
  10. VidTwin: Video VAE with Decoupled Structure and Dynamics
    CVPR 2025 ·
    Yuchi Wang
    ,
    Junliang Guo
    ,
    Xinyi Xie
    ,
    Tianyu He
    , Xu Sun,
    Jiang Bian
  11. A Survey on In-context Learning
    EMNLP 2024 ·
    Qingxiu Dong
    ,
    Lei Li
    ,
    Damai Dai
    ,
    Ce Zheng
    ,
    Jingyuan Ma
    ,
    Rui Li
    ,
    Heming Xia
    ,
    Jingjing Xu
    ,
    Zhiyong Wu
    ,
    Baobao Chang
    , Xu Sun,
    Lei Li
    ,
    Zhifang Sui
  12. Edit As You Wish: Video Caption Editing with Multi-grained User Control
    ACM MM 2024 ·
    Linli Yao
    ,
    Yuanmeng Zhang
    ,
    Ziheng Wang
    ,
    Xinglin Hou
    ,
    Tiezheng Ge
    ,
    Yuning Jiang
    , Xu Sun,
    Qin Jin
  13. Enhancing Byzantine-Resistant Aggregations with Client Embedding
    EMNLP 2024 ·
    Zhiyuan Zhang
    ,
    Hao Zhou
    ,
    Fandong Meng
    ,
    Jie Zhou
    , Xu Sun
  14. LaDiC: Are Diffusion Models Really Inferior to Autoregressive Counterparts for Image-to-Text Generation?
    NAACL 2024 ·
    Yuchi Wang
    ,
    Shuhuai Ren
    ,
    Rundong Gao
    ,
    Linli Yao
    ,
    Qingyan Guo
    ,
    Kaikai An
    ,
    Jianhong Bai
    , Xu Sun
  15. TempCompass: Do Video LLMs Really Understand Videos?
    ACL 2024 ·
    Yuanxin Liu
    ,
    Shicheng Li
    ,
    Yi Liu
    ,
    Yuxiang Wang
    ,
    Shuhuai Ren
    ,
    Lei Li
    ,
    Sishuo Chen
    , Xu Sun,
    Lu Hou
  16. TimeChat: A Time-sensitive Multimodal Large Language Model for Long Video Understanding
    CVPR 2024 ·
    Shuhuai Ren
    ,
    Linli Yao
    ,
    Shicheng Li
    , Xu Sun,
    Lu Hou
  17. Towards Codable Watermarking for Injecting Multi-Bits Information to LLMs
    ICLR 2024 ·
    Lean Wang
    ,
    Wenkai Yang
    ,
    Deli Chen
    ,
    Hao Zhou
    ,
    Yankai Lin
    ,
    Fandong Meng
    ,
    Jie Zhou
    , Xu Sun
  18. VITATECS: A Diagnostic Dataset for Temporal Concept Understanding of Video-Language Models
    ECCV 2024 ·
    Shicheng Li
    ,
    Lei Li
    ,
    Yi Liu
    ,
    Shuhuai Ren
    ,
    Yuanxin Liu
    ,
    Rundong Gao
    , Xu Sun,
    Lu Hou
  19. Watch Out for Your Agents! Investigating Backdoor Threats to LLM-Based Agents
    NeurIPS 2024 ·
    Wenkai Yang
    ,
    Xiaohan Bi
    ,
    Yankai Lin
    ,
    Sishuo Chen
    ,
    Jie Zhou
    , Xu Sun