activity
20232025
most citedVideo Mamba Suite: State Space Model as a Versatile Alternative for Video Understanding

19 citations · 20 across the 11 of their papers we have counts for

collaborators

11 papers

cs.CV2025

VideoTG-R1: Boosting Video Temporal Grounding via Curriculum Reinforcement Learning on Reflected Boundary Annotations

Lu Dong, Haiyu Zhang, Han Lin +8

Video temporal grounding (VTG) aims to locate precise segments in videos based on language queries, which is a fundamental challenge in video understanding. While recent Multimodal…

cs.CV2025

Weakly Supervised Temporal Sentence Grounding via Positive Sample Mining

Lu Dong, Haiyu Zhang, Hongjie Zhang +5

The task of weakly supervised temporal sentence grounding (WSTSG) aims to detect temporal intervals corresponding to a language description from untrimmed videos with only video-le…

cs.CV2025

Eagle 2.5: Boosting Long-Context Post-Training for Frontier Vision-Language Models

Guo Chen, Zhiqi Li, Shihao Wang +16

We introduce Eagle 2.5, a family of frontier vision-language models (VLMs) for long-context multimodal learning. Our work addresses the challenges in long video comprehension and h…

cs.CV2025

An Egocentric Vision-Language Model based Portable Real-time Smart Assistant

Yifei Huang, Jilan Xu, Baoqi Pei +16

We present Vinci, a vision-language system designed to provide real-time, comprehensive AI assistance on portable devices. At its core, Vinci leverages EgoVideo-VL, a novel model t…

cs.CV2025

Modeling Fine-Grained Hand-Object Dynamics for Egocentric Video Representation Learning

Baoqi Pei, Yifei Huang, Jilan Xu +8

In egocentric video understanding, the motion of hands and objects as well as their interactions play a significant role by nature. However, existing egocentric video representatio…

cs.CV2024

Vinci: A Real-time Embodied Smart Assistant based on Egocentric Vision-Language Model

Yifei Huang, Jilan Xu, Baoqi Pei +15

We introduce Vinci, a real-time embodied smart assistant built upon an egocentric vision-language model. Designed for deployment on portable devices such as smartphones and wearabl…

cs.CV2024

CG-Bench: Clue-grounded Question Answering Benchmark for Long Video Understanding

Guo Chen, Yicheng Liu, Yifei Huang +6

Most existing video understanding benchmarks for multimodal large language models (MLLMs) focus only on short videos. The limited number of benchmarks for long video understanding…

cs.CV2024

EgoVideo: Exploring Egocentric Foundation Model and Downstream Adaptation

Baoqi Pei, Guo Chen, Jilan Xu +8

In this report, we present our solutions to the EgoVis Challenges in CVPR 2024, including five tracks in the Ego4D challenge and three tracks in the EPIC-Kitchens challenge. Buildi…

cs.CV2024★ 19 cited

Video Mamba Suite: State Space Model as a Versatile Alternative for Video Understanding

Guo Chen, Yifei Huang, Jilan Xu +7

Understanding videos is one of the fundamental directions in computer vision research, with extensive efforts dedicated to exploring various architectures such as RNN, 3D CNN, and…

cs.CV2024

EgoExoLearn: A Dataset for Bridging Asynchronous Ego- and Exo-centric View of Procedural Activities in Real World

Yifei Huang, Guo Chen, Jilan Xu +8

Being able to map the activities of others into one's own point of view is one fundamental human skill even from a very early age. Taking a step toward understanding this human abi…

cs.CV2023★ 1 cited

LvBench: A Benchmark for Long-form Video Understanding with Versatile Multi-modal Question Answering

Hongjie Zhang, Lu Dong, Yi Liu +4

Despite remarkable recent progress, existing long-form VideoQA datasets fall short of meeting the criteria for genuine long-form video understanding. This is primarily due to the u…