collaborators

5 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

GIRAFFE: Design Choices for Extending the Context Length of Visual Language Models

Mukai Li, Lei Li, Shansan Gong +1

Visual Language Models (VLMs) demonstrate impressive capabilities in processing multimodal inputs, yet applications such as visual agents, which require handling multiple images an…

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.CL2024

Vibe-Eval: A hard evaluation suite for measuring progress of multimodal language models

Piotr Padlewski, Max Bain, Matthew Henderson +19

We introduce Vibe-Eval: a new open benchmark and framework for evaluating multimodal chat models. Vibe-Eval consists of 269 visual understanding prompts, including 100 of hard diff…