publications

2026

  1. surgmark.png
    SurgMark: Structure-Aware Watermarking for 4D Gaussian Splatting in Surgical Scenes
    Minjae Jeong*, Jaejin Lee*, Yechan Hwang, and Won Hwa Kim (* equal contribution)
    In International Conference on Medical Image Computing and Computer-Assisted Intervention (MICCAI) , 2026
  2. mark4d.png
    Mark4D: Temporally-Consistent Watermarking for 4D Gaussian Splatting
    Jaejin Lee*, Minjae Jeong*, Joonhyuk Park, Yechan Hwang, Seunghun Baek, and Won Hwa Kim (* equal contribution)
    In IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR) , 2026
    Silver prize at 38th Workshop on Image Processing and Image Understanding (IPIU)
    PDF

2025

  1. sgar.png
    Spectral Graph Autoregressive Modeling for Conditional Brain Network Augmentation
    Hayoung Ahn, Seungjoo Lee, Jaeyoon Sim, Yechan Hwang, Hyuna Cho, Guorong Wu, and Won Hwa Kim
    In MICCAI Workshop on GRaphs in biomedicAl Image anaLysis (GRAIL) , 2025
    Best Paper Award
    PDF
  2. hgm.png
    HGM³: Hierarchical Generative Masked Motion Modeling with Hard Token Mining
    Minjae Jeong*, Yechan Hwang*, Jaejin Lee, Sungyoon Jung, and Won Hwa Kim (* equal contribution)
    In International Conference on Learning Representations (ICLR) , 2025
    Excellence paper award from the Graduate School of AI, POSTECH
    PDF

2024

  1. multi.png
    Multi-order Simplex-Based Graph Neural Network for Brain Network Analysis
    Yechan Hwang, Soojin Hwang, Guorong Wu, and Won Hwa Kim
    In International Conference on Medical Image Computing and Computer-Assisted Intervention (MICCAI) , 2024
    PDF

2023

  1. hodge.png
    Convolving directed graph edges via Hodge Laplacian for brain network analysis
    Joonhyuk Park*, Yechan Hwang*, Minjeong Kim, Moo K Chung, Guorong Wu, and Won Hwa Kim (* equal contribution)
    In International Conference on Medical Image Computing and Computer-Assisted Intervention (MICCAI) , 2023
    Early accepted (top ~14%)
    PDF
  2. restoring.png
    RESToring Clarity: Unpaired Retina Image Enhancement Using Scattering Transform
    Ellen Jieun Oh, Yechan Hwang, Yubin Han, Taegeun Choi, Geunyoung Lee, and Won Hwa Kim
    In International Conference on Medical Image Computing and Computer-Assisted Intervention (MICCAI) , 2023
    PDF