collaborators

10 papers

cs.CV2026

TimeThink: Reasoning with Time for Video LLMs

Handong Li, Longteng Guo, Zikang Liu +8

Video reasoning requires models to identify and verify temporally localized evidence within long video sequences. Recent Video Large Language Models (Video-LLMs) have shown promisi…

cs.CV2026

AdaSpark: Adaptive Sparsity for Efficient Long-Video Understanding

Handong Li, Zikang Liu, Longteng Guo +10

Processing long-form videos with Video Large Language Models (Video-LLMs) is computationally prohibitive. Current efficiency methods often compromise fine-grained perception throug…

cs.CV2026

EVA: Efficient Reinforcement Learning for End-to-End Video Agent

Yaolun Zhang, Ruohui Wang, Jiahao Wang +6

Video understanding with multimodal large language models (MLLMs) remains challenging due to the long token sequences of videos, which contain extensive temporal dependencies and r…

cs.AI2025

VRoPE: Rotary Position Embedding for Video Large Language Models

Zikang Liu, Longteng Guo, Yepeng Tang +6

Rotary Position Embedding (RoPE) has shown strong performance in text-based Large Language Models (LLMs), but extending it to video remains a challenge due to the intricate spatiot…

cs.CV2025

ELV-Halluc: Benchmarking Semantic Aggregation Hallucinations in Long Video Understanding

Hao Lu, Jiahao Wang, Yaolun Zhang +5

Video multimodal large language models (Video-MLLMs) have achieved remarkable progress in video understanding. However, they remain vulnerable to hallucination-producing content in…

eess.SP2025

BrainGPT: Unleashing the Potential of EEG Generalist Foundation Model by Autoregressive Pre-training

Tongtian Yue, Xuange Gao, Shuning Xue +4

Electroencephalogram (EEG) signals are pivotal in providing insights into spontaneous brain activity, highlighting their significant importance in neuroscience research. However, t…