collaborators

5 papers

cs.LG2025

TGDPO: Harnessing Token-Level Reward Guidance for Enhancing Direct Preference Optimization

Mingkang Zhu, Xi Chen, Zhongdao Wang +3

Recent advancements in reinforcement learning from human feedback have shown that utilizing fine-grained token-level reward models can substantially enhance the performance of Prox…

cs.CV2025

Modular Customization of Diffusion Models via Blockwise-Parameterized Low-Rank Adaptation

Mingkang Zhu, Xi Chen, Zhongdao Wang +3

Recent diffusion model customization has shown impressive results in incorporating subject or style concepts with a handful of images. However, the modular composition of multiple…

cs.CL2025

Enhancing LLM Knowledge Learning through Generalization

Mingkang Zhu, Xi Chen, Zhongdao Wang +3

As Large language models (LLMs) are increasingly deployed in diverse applications, faithfully integrating evolving factual knowledge into these models remains a critical challenge.…

cs.CV2024

Efficient 3D Perception on Multi-Sweep Point Cloud with Gumbel Spatial Pruning

Tianyu Sun, Jianhao Li, Xueqian Zhang +3

This paper studies point cloud perception within outdoor environments. Existing methods face limitations in recognizing objects located at a distance or occluded, due to the sparse…

cs.CV2024

LogoSticker: Inserting Logos into Diffusion Models for Customized Generation

Mingkang Zhu, Xi Chen, Zhongdao Wang +2

Recent advances in text-to-image model customization have underscored the importance of integrating new concepts with a few examples. Yet, these progresses are largely confined to…