collaborators

5 papers

cs.CV2026

Spherical Geometry Diffusion: Generating High-quality 3D Face Geometry via Sphere-anchored Representations

Junyi Zhang, Yiming Wang, Yunhong Lu +5

A fundamental challenge in text-to-3D face generation is achieving high-quality geometry. The core difficulty lies in the arbitrary and intricate distribution of vertices in 3D spa…

cs.CV2025

Reward Forcing: Efficient Streaming Video Generation with Rewarded Distribution Matching Distillation

Yunhong Lu, Yanhong Zeng, Haobo Li +9

Efficient streaming video generation is critical for simulating interactive and dynamic worlds. Existing methods distill few-step video diffusion models with sliding window attenti…

cs.CV2025

Smoothed Preference Optimization via ReNoise Inversion for Aligning Diffusion Models with Varied Human Preferences

Yunhong Lu, Qichao Wang, Hengyuan Cao +2

Direct Preference Optimization (DPO) aligns text-to-image (T2I) generation models with human preferences using pairwise preference data. Although substantial resources are expended…

cs.CV2025

Dimension-Reduction Attack! Video Generative Models are Experts on Controllable Image Synthesis

Hengyuan Cao, Yutong Feng, Biao Gong +4

Video generative models can be regarded as world simulators due to their ability to capture dynamic, continuous changes inherent in real-world environments. These models integrate…

cs.CV2025

InPO: Inversion Preference Optimization with Reparametrized DDIM for Efficient Diffusion Model Alignment

Yunhong Lu, Qichao Wang, Hengyuan Cao +3

Without using explicit reward, direct preference optimization (DPO) employs paired human preference data to fine-tune generative models, a method that has garnered considerable att…