activity
20222025
collaborators

5 papers

cs.CV2025

SegmentDreamer: Towards High-fidelity Text-to-3D Synthesis with Segmented Consistency Trajectory Distillation

Jiahao Zhu, Zixuan Chen, Guangcong Wang +2

Recent advancements in text-to-3D generation improve the visual quality of Score Distillation Sampling (SDS) and its variants by directly connecting Consistency Distillation (CD) t…

cs.CV2024

GuardSplat: Efficient and Robust Watermarking for 3D Gaussian Splatting

Zixuan Chen, Guangcong Wang, Jiahao Zhu +2

3D Gaussian Splatting (3DGS) has recently created impressive 3D assets for various applications. However, considering security, capacity, invisibility, and training efficiency, the…

cs.CR2024

Plug-and-Hide: Provable and Adjustable Diffusion Generative Steganography

Jiahao Zhu, Zixuan Chen, Jiali Liu +3

Diffusion model-based generative image steganography (DM-GIS) is an emerging paradigm that leverages the generative power of diffusion models to conceal secret messages without req…

cs.CV2024

VividDreamer: Towards High-Fidelity and Efficient Text-to-3D Generation

Zixuan Chen, Ruijie Su, Jiahao Zhu +3

Text-to-3D generation aims to create 3D assets from text-to-image diffusion models. However, existing methods face an inherent bottleneck in generation quality because the widely-u…

cs.MM2022

3D-VFD: A Victim-free Detector against 3D Adversarial Point Clouds

Jiahao Zhu, Huajun Zhou, Zixuan Chen +2

3D deep models consuming point clouds have achieved sound application effects in computer vision. However, recent studies have shown they are vulnerable to 3D adversarial point clo…