Publications

2026

  1. Preprint
    Pretrained Vision-Language-Action Models are Surprisingly Resistant to Forgetting in Continual Learning
    Huihan Liu,  Changyeon Kim, Bo Liu, Minghuan Liu, and Yuke Zhu
    In Preprint, 2026
    arXiv Code Website
  2. CVPR
    Learning Multi-View Spatial Reasoning from Cross-View Relations
    Suchae Jeong*, Jaehwi Song*, Haeone Lee, Hanna Kim, Jian Kim, Dongjun Lee, Dong Kyu Shin,  Changyeon Kim, Dongyoon Hahm, Woogyeol Jin, Juheon Choi, and Kimin Lee
    In Conference on Computer Vision and Pattern Recognition (CVPR), 2026
    (*: equal contribution)
  3. ICLR
    DEAS: DEtached value learning with Action Sequence for Scalable Offline RL
    Changyeon Kim, Haeone Lee, Younggyo Seo, Kimin Lee^, and Yuke Zhu^
    In International Conference on Learning Representations (ICLR), 2026
    (^: equal advising)
    arXiv PDF Website
  4. ICLR
    Verifier-free Test-Time Sampling for Vision Language Action Models
    Suhyeok Jang, Dongyoung Kim,  Changyeon Kim, Youngsuk Kim, and Jinwoo Shin
    In International Conference on Learning Representations (ICLR), 2026
    arXiv
  5. ICLR
    HAMLET: Switch Your Vision-Language-Action Model into a History-Aware Policy
    Myungkyu Koo, Daewon Choi, Taeyoung Kim, Kyungmin Lee,  Changyeon Kim, Younggyo Seo, and Jinwoo Shin
    In International Conference on Learning Representations (ICLR), 2026
    arXiv Website

2025

  1. CoLLAs
    B-MoCA: Benchmarking Mobile Device Control Agents across Diverse Configurations
    Juyong Lee, Taywon Min, Minyong An, Dongyoon Hahm, Haeone Lee,  Changyeon Kim, and Kimin Lee
    In Conference on Lifelong Learning Agents (CoLLAs), 2025
    Previously accepted to ICLR 2024 Workshop on Generative Models for Decision Making as a spotlight presentation
    arXiv Code Website
  2. ICLR
    Subtask-Aware Visual Reward Learning from Segmented Demonstrations
    Changyeon Kim, Minho Heo, Doohyun Lee, Jinwoo Shin, Honglak Lee, Joseph J. Lim^, and Kimin Lee^
    In International Conference on Learning Representations (ICLR), 2025
    (^: equal advising)
    arXiv PDF Code Website
  3. Preprint
    Contrastive Representation Regularization for Vision-Language-Action Models
    Taeyoung Kim, Jimin Lee, Myungkyu Koo, Dongyoung Kim, Kyungmin Lee,  Changyeon Kim, Younggyo Seo, and Jinwoo Shin
    In Preprint, 2025
    arXiv

2023

  1. NeurIPS
    Guide Your Agent with Adaptive Multimodal Rewards
    Changyeon Kim, Younggyo Seo, Hao Liu, Lisa Lee, Jinwoo Shin, Honglak Lee, and Kimin Lee
    In Conference on Neural Information Processing Systems (NeurIPS), 2023
    Previously accepted to ICML 2023 Workshop on New Frontiers in Learning, Control, and Dynamical Systems
    Finalist of Qualcomm Innovation Fellowship 2024 Korea
    arXiv PDF Code Website
  2. ICLR
    Preference Transformer: Modeling Human Preferences using Transformers for RL
    Changyeon Kim*, Jongjin Park*, Jinwoo Shin, Honglak Lee, Pieter Abbeel, and Kimin Lee
    In International Conference on Learning Representations (ICLR), 2023
    (*: equal contribution)
    arXiv PDF Code Website

2022

  1. NeurIPSW
    Dynamics-Augmented Decision Transformer for Offline Dynamics Generalization
    Changyeon Kim*, Junsu Kim*, Younggyo Seo, Kimin Lee, Honglak Lee, and Jinwoo Shin
    In Conference on Neural Information Processing Systems (NeurIPS) Workshop on Offline Reinforcement Learning, 2022
    (*: equal contribution)
    PDF

Others

2021

  1. ArXiv
    Moi-mixer: Improving mlp-mixer with multi order interactions in sequential recommendation
    Hojoon Lee, Dongyoon Hwang, Sunghwan Hong,  Changyeon Kim, Seungryong Kim, and Jaegul Choo
    In ArXiv preprint, 2021
    arXiv

2020

  1. CSCW
    Collecting the public perception of AI and robot rights
    Gabriel Lima,  Changyeon Kim, Seungho Ryu, Chihyung Jeon, and Meeyoung Cha
    Proceedings of the ACM on Human-Computer Interaction, 2020
    arXiv HTML