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Gwanghyun (Bradley) Kim

Research Scientist NVIDIA GEAR

About Me

I am a Research Scientist at NVIDIA GEAR, working on robot foundation models and world models. My research focuses on unifying perception, prediction, and action for real-world embodied agents, building on my background in multimodal generative modeling of the physical world.

I received my Ph.D. in Electrical and Computer Engineering from Seoul National University, advised by Prof. Se Young Chun, and my M.S. in Bio and Brain Engineering from KAIST, advised by Prof. Jong Chul Ye. During my Ph.D., I interned at NVIDIA Research and Google Research. My research has been supported by the Qualcomm Innovation Fellowship.

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Selected Research

  1. Image
    Cosmos 3: Omnimodal World Models for Physical AI
    Gwanghyun Kim (Core contributor)
    NVIDIA Technical Report, 2026
    Project page Code
  2. Image ICLRW
    World Action Models are Zero-Shot Policies
    S. Ye*, Y. Ge, K. Zheng, S. Gao, S. Yu, ..., Gwanghyun Kim, ..., Y. Chebotar, S. Reed, J. Kautz, Y. Zhu*, J. Fan*, J. Jang* (*leads)
    ICLRW 2026 World Models (Outstanding Paper Award), NVIDIA
    PDF Project page Code
  3. Image CVPR
    Human Interaction-Aware 3D Reconstruction from a Single Image
    Gwanghyun Kim*, J. J. Kim*, S. Y. Jeon*, J. Park, S. Y. Chun (*co-first)
    CVPR 2026 (Highlight)
    PDF Project page
  4. Image ICCV
    GeoMan: Temporally Consistent Human Geometry Estimation using Image-to-Video Diffusion
    Gwanghyun Kim, X. Li, Y. Yuan, K. Nagano, T. Li, J. Kautz, S. Y. Chun, U. Iqbal
    ICCV 2025, NVIDIA
    PDF Project page
  5. Image ICCV
  6. Image NeurIPS
    A Versatile Diffusion Transformer with Mixture of Noise Levels for Audiovisual Generation
    Gwanghyun Kim*, A. Martinez, Y. Su, B. Jou, J. Lezama, A. Gupta, L. Yu, L. Jiang, A. Jansen, J. Walker, K. Somandepalli* (*co-first)
    NeurIPS 2024, Google
    PDF Project page
  7. Image ECCV
    BeyondScene: Higher-Resolution Human-Centric Scene Generation With Pretrained Diffusion
    Gwanghyun Kim*, H. Kim*, H. Seo*, D U Kang*, S. Y. Chun (*co-first)
    ECCV 2024
    PDF Project page Code
  8. Image ICCV
  9. Image CVPR
  10. Image
    DITTO-NeRF: Diffusion-based Iterative Text To Omni-directional 3D Model
    H. Seo*, H. Kim*, Gwanghyun Kim*, S. Y. Chun (*co-first)
    arxiv 2023
    PDF Project page Code
  11. Image CVPR
  12. Image Nat. Commun.
    AI can evolve without labels: self-evolving vision transformer for chest X-ray diagnosis through knowledge distillation
    S. Park, Gwanghyun Kim, Y. Oh, J. B. Seo, S. M. Lee, J. H. Kim, S. Moon, J. K. Lim, C. M. Park, J. C. Ye
    Nature Communications, 2022
    PDF
  13. Image NeurIPS
    Federated Split Vision Transformer for COVID-19 CXR Diagnosis using Task-Agnostic Training
    S. Park*, Gwanghyun Kim*, J. Kim, B. Kim, J. C. Ye (*co-first)
    NeurIPS 2021
    PDF
  14. Image Med. Image Anal.
    Multi-task Vision Transformer using Low-level Chest X-ray Feature Corpus for COVID-19 Diagnosis and Severity Quantification
    S. Park*, Gwanghyun Kim*, Y. Oh, J. B. Seo, S. M. Lee, J. H. Kim, S. Moon, J. K. Lim, J. C. Ye (*co-first)
    Medical Image Analysis, 2021
    PDF

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