Joonhyuk Park

2 accepted papers

2026

Mark4D: Temporally-Consistent Watermarking for 4D Gaussian Splatting

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

CVPR 2026

Embedding invisible and temporally consistent watermarks into dynamic 4D Gaussian Splatting (4DGS) models poses unique challenges due to continuous spatio-temporal deformation of Gaussians and diverse motion dynamics. Existing 3DGS watermarking methods, which directly fine-tune parameters within Gau

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2025

Topology-aware Graph Diffusion Model with Persistent Homology

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

NeurIPS 2025poster

Generating realistic graphs faces challenges in estimating accurate distribution of graphs in an embedding space while preserving structural characteristics. However, existing graph generation methods primarily focus on approximating the joint distribution of nodes and edges, often overlooking topol…

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