activity
20242026
collaborators

5 papers

cs.CV2026

Cosmos 3: Omnimodal World Models for Physical AI

NVIDIA, :, Aditi +293

We introduce Cosmos 3, a family of omnimodal world models designed to jointly process and generate language, image, video, audio, and action sequences within a unified mixture-of-t…

cs.CV2025

DreamDistribution: Learning Prompt Distribution for Diverse In-distribution Generation

Brian Nlong Zhao, Yuhang Xiao, Jiashu Xu +6

The popularization of Text-to-Image (T2I) diffusion models enables the generation of high-quality images from text descriptions. However, generating diverse customized images with…

cs.CL2025

Test-time Backdoor Mitigation for Black-Box Large Language Models with Defensive Demonstrations

Wenjie Mo, Jiashu Xu, Qin Liu +5

Existing studies in backdoor defense have predominantly focused on the training phase, overlooking the critical aspect of testing time defense. This gap becomes pronounced in the c…

cs.CL2024

Securing Multi-turn Conversational Language Models From Distributed Backdoor Triggers

Terry Tong, Jiashu Xu, Qin Liu +1

Large language models (LLMs) have acquired the ability to handle longer context lengths and understand nuances in text, expanding their dialogue capabilities beyond a single uttera…

cs.CR2024

Mitigating Backdoor Threats to Large Language Models: Advancement and Challenges

Qin Liu, Wenjie Mo, Terry Tong +4

The advancement of Large Language Models (LLMs) has significantly impacted various domains, including Web search, healthcare, and software development. However, as these models sca…