Topology-aware Graph Diffusion Model with Persistent Homology

Joonhyuk Park*, Donghyun Lee*, Yujee Song, Guorong Wu, and Won Hwa Kim

In proceedings of The Thirty-ninth Annual Conference on Neural Information Processing Systems – NeurIPS 2025 , Dec 2025

[*Equal Contribution]

Conditional Graph Diffusion with Topological Constraints for Brain Network Generation

Joonhyuk Park, Donghyun Lee, Guorong Wu, and Won Hwa Kim

In proceedings of Medical Image Computing and Computer Assisted Intervention – MICCAI 2025, Sep 2025

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

In International Conference on Medical Image Computing and Computer-Assisted Intervention (MICCAI), Sep 2023

[*Equal Contribution]

DISCLOSE the Neurodegeneration Dynamics: Individualized ODE Discovery for Alzheimer’s Disease Precision Medicine 

Wooseok Jung*, Joonhyuk Park*, and Won Hwa Kim

In proceedings of Medical Image Computing and Computer Assisted Intervention – MICCAI 2025, Sep 2025

[*Equal Contribution, Oral Presentation (top  2.2%)]

Mark4D:Temporally-Consistent Watermarking for 4D Gaussian Splatting

Jaejin Lee*, Minjae Jeong*, Joonhyuk Park, Yechan Hwang, Seunghun Baek, and Won Hwa Kim

In proceedings of The IEEE/CVF Conference on Computer Vision and Pattern Recognition 2026 – CVPR 2026 , June 2026

[*Equal Contribution]

Mark4D:Temporally-Consistent Watermarking for 4D Gaussian Splatting

Jaejin Lee*, Minjae Jeong*, Joonhyuk Park, Yechan Hwang, Seunghun Baek, and Won Hwa Kim

38th Workshop on Image Processing and Image Understanding – IPIU 2025

[*Equal Contribution, Oral Presentation]

Diffusion-Based Graph Generation with Topological Awareness via Persistent Homology

Joonhyuk Park*, Donghyun Lee*, Yujee Song, Guorong Wu, and Won Hwa Kim

37th Workshop on Image Processing and Image Understanding – IPIU 2025

[*Equal Contribution]