collaborators

7 papers

cs.CL2026

OPERA: Aligning Open-Ended Reasoning via Objective Perplexity-based Reinforcement Learning

Wenxuan Jiang, Zining Fan, Zijian Zhang +6

Reinforcement Learning (RL) has enabled LLMs to excel in objective reasoning tasks such as mathematics and code generation. However, applying RL to open-ended tasks, such as creati…

cs.CV2026

ScalingAttention: Discovering Intrinsic Sparse Attention Topology for Video Diffusion Transformers

Ruiliang Zhou, Xuecheng Wu, Kang He +6

While Diffusion Transformers (DiTs) have revolutionized high-fidelity video generation, their reliance on 3D full attention creates a quadratic computational bottleneck. Existing s…

cs.CV2025

ViC-Bench: Benchmarking Visual-Interleaved Chain-of-Thought Capability in MLLMs with Free-Style Intermediate State Representations

Xuecheng Wu, Jiaxing Liu, Danlei Huang +8

Visual-Interleaved Chain-of-Thought (VI-CoT) enables Multi-modal Large Language Models (MLLMs) to continually update their understanding and decision space based on step-wise inter…

cs.CL2025

MUSE: MCTS-Driven Red Teaming Framework for Enhanced Multi-Turn Dialogue Safety in Large Language Models

Siyu Yan, Long Zeng, Xuecheng Wu +6

As large language models~(LLMs) become widely adopted, ensuring their alignment with human values is crucial to prevent jailbreaks where adversaries manipulate models to produce ha…

cs.CV2025

HKD4VLM: A Progressive Hybrid Knowledge Distillation Framework for Robust Multimodal Hallucination and Factuality Detection in VLMs

Zijian Zhang, Xuecheng Wu, Danlei Huang +3

Driven by the rapid progress in vision-language models (VLMs), the responsible behavior of large-scale multimodal models has become a prominent research area, particularly focusing…

cs.CV2025

NTIRE 2025 challenge on Text to Image Generation Model Quality Assessment

Shuhao Han, Haotian Fan, Fangyuan Kong +112

This paper reports on the NTIRE 2025 challenge on Text to Image (T2I) generation model quality assessment, which will be held in conjunction with the New Trends in Image Restoratio…