collaborators

8 papers

cs.CV2025

TimeChat-Online: 80% Visual Tokens are Naturally Redundant in Streaming Videos

Linli Yao, Yicheng Li, Yuancheng Wei +11

The rapid growth of online video platforms, particularly live streaming services, has created an urgent need for real-time video understanding systems. These systems must process c…

cs.CV2025

TEMPLE: Incentivizing Temporal Understanding of Video Large Language Models via Progressive Pre-SFT Alignment

Shicheng Li, Lei Li, Kun Ouyang +7

Video Large Language Models (Video LLMs) have achieved significant success by adopting the paradigm of large-scale pre-training followed by supervised fine-tuning (SFT). However, e…

cs.CV2024

VL-RewardBench: A Challenging Benchmark for Vision-Language Generative Reward Models

Lei Li, Yuancheng Wei, Zhihui Xie +9

Vision-language generative reward models (VL-GenRMs) play a crucial role in aligning and evaluating multimodal AI systems, yet their own evaluation remains under-explored. Current…

cs.CV2024

VLFeedback: A Large-Scale AI Feedback Dataset for Large Vision-Language Models Alignment

Lei Li, Zhihui Xie, Mukai Li +7

As large vision-language models (LVLMs) evolve rapidly, the demand for high-quality and diverse data to align these models becomes increasingly crucial. However, the creation of su…

cs.CL2024

Understanding the Role of LLMs in Multimodal Evaluation Benchmarks

Botian Jiang, Lei Li, Xiaonan Li +5

The rapid advancement of Multimodal Large Language Models (MLLMs) has been accompanied by the development of various benchmarks to evaluate their capabilities. However, the true na…

cs.CL2024

CoCA: Regaining Safety-awareness of Multimodal Large Language Models with Constitutional Calibration

Jiahui Gao, Renjie Pi, Tianyang Han +5

The deployment of multimodal large language models (MLLMs) has demonstrated remarkable success in engaging in conversations involving visual inputs, thanks to the superior power of…