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Related papers: Bridging Time and Space: Decoupled Spatio-Temporal…

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Understanding abnormal events in videos is a vital and challenging task that has garnered significant attention in a wide range of applications. Although current video understanding Multi-modal Large Language Models (MLLMs) are capable of…

Computer Vision and Pattern Recognition · Computer Science 2025-11-04 Yingxian Chen , Jiahui Liu , Ruidi Fan , Yanwei Li , Chirui Chang , Shizhen Zhao , Wilton W. T. Fok , Xiaojuan Qi , Yik-Chung Wu

Recently, Vision Large Language Models (VLLMs) integrated with vision encoders have shown promising performance in vision understanding. The key of VLLMs is to encode visual content into sequences of visual tokens, enabling VLLMs to…

Computer Vision and Pattern Recognition · Computer Science 2025-08-12 Zhuqiang Lu , Zhenfei Yin , Mengwei He , Zhihui Wang , Zicheng Liu , Zhiyong Wang , Kun Hu

In real scenarios, videos can span several minutes or even hours. However, existing research on spatio-temporal video grounding (STVG), given a textual query, mainly focuses on localizing targets in short videos of tens of seconds,…

Computer Vision and Pattern Recognition · Computer Science 2026-02-27 Xin Gu , Bing Fan , Jiali Yao , Zhipeng Zhang , Yan Huang , Cheng Han , Heng Fan , Libo Zhang

Grounding language queries in videos aims at identifying the time interval (or moment) semantically relevant to a language query. The solution to this challenging task demands understanding videos' and queries' semantic content and the…

Computer Vision and Pattern Recognition · Computer Science 2021-08-17 Mattia Soldan , Mengmeng Xu , Sisi Qu , Jesper Tegner , Bernard Ghanem

Vision-Language Models (VLMs) have become central to autonomous driving systems, yet their deployment is severely bottlenecked by the massive computational overhead of multi-view camera and multi-frame video input. Existing token pruning…

Computer Vision and Pattern Recognition · Computer Science 2026-04-22 Lin Sha , Haiyun Guo , Tao Wang , Cong Zhang , Min Huang , Jinqiao Wang , Qinghai Miao

While pre-training large-scale video-language models (VLMs) has shown remarkable potential for various downstream video-language tasks, existing VLMs can still suffer from certain commonly seen limitations, e.g., coarse-grained cross-modal…

Computer Vision and Pattern Recognition · Computer Science 2024-06-28 Hao Fei , Shengqiong Wu , Meishan Zhang , Min Zhang , Tat-Seng Chua , Shuicheng Yan

Recent advances in Multimodal Large Language Models (MLLMs) have significantly advanced video understanding tasks, yet challenges remain in efficiently compressing visual tokens while preserving spatiotemporal interactions. Existing…

Artificial Intelligence · Computer Science 2026-05-22 Bingjun Luo , Tony Wang , Hanqi Chen , Xinpeng Ding

Electroencephalography (EEG) visual decoding remains challenging due to the modality gap between low-SNR neural signals and highly structured vision--language spaces, making direct cross-modal alignment unstable. To address this, we propose…

Image and Video Processing · Electrical Eng. & Systems 2026-05-28 Jiahe Meng , Weiming Zeng , Yueyang Li , Bo Chai , Hongjie Yan , Zhiguo Zhang , Wai Ting Siok , Nizhuan Wang

Recently, large-scale pre-trained language-image models like CLIP have shown extraordinary capabilities for understanding spatial contents, but naively transferring such models to video recognition still suffers from unsatisfactory temporal…

Computer Vision and Pattern Recognition · Computer Science 2023-09-15 Zhiwu Qing , Shiwei Zhang , Ziyuan Huang , Yingya Zhang , Changxin Gao , Deli Zhao , Nong Sang

Despite recent advances in Video Large Language Models (Vid-LLMs), Temporal Video Grounding (TVG), which aims to precisely localize time segments corresponding to query events, remains a significant challenge. Existing methods often match…

Computer Vision and Pattern Recognition · Computer Science 2026-02-06 Jiahao Nie , Wenbin An , Gongjie Zhang , Yicheng Xu , Yap-Peng Tan , Alex C. Kot , Shijian Lu

We introduce ED-VTG, a method for fine-grained video temporal grounding utilizing multi-modal large language models. Our approach harnesses the capabilities of multimodal LLMs to jointly process text and video, in order to effectively…

Computer Vision and Pattern Recognition · Computer Science 2025-10-21 Shraman Pramanick , Effrosyni Mavroudi , Yale Song , Rama Chellappa , Lorenzo Torresani , Triantafyllos Afouras

We propose an effective two-stage approach to tackle the problem of language-based Human-centric Spatio-Temporal Video Grounding (HC-STVG) task. In the first stage, we propose an Augmented 2D Temporal Adjacent Network (Augmented 2D-TAN) to…

Computer Vision and Pattern Recognition · Computer Science 2022-05-06 Chaolei Tan , Zihang Lin , Jian-Fang Hu , Xiang Li , Wei-Shi Zheng

Reasoning Video Object Segmentation (ReasonVOS) is a challenging task that requires stable object segmentation across video sequences using implicit and complex textual inputs. Previous methods fine-tune Multimodal Large Language Models…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Zhengtong Zhu , Jiaqing Fan , Zhixuan Liu , Fanzhang Li

This paper studies the multimedia problem of temporal sentence grounding (TSG), which aims to accurately determine the specific video segment in an untrimmed video according to a given sentence query. Traditional TSG methods mainly follow…

Multimedia · Computer Science 2026-05-26 Xiang Fang , Daizong Liu , Pan Zhou , Zichuan Xu , Ruixuan Li

In this technical report, we introduce our solution to human-centric spatio-temporal video grounding task. We propose a concise and effective framework named STVGFormer, which models spatiotemporal visual-linguistic dependencies with a…

Computer Vision and Pattern Recognition · Computer Science 2022-07-07 Zihang Lin , Chaolei Tan , Jian-Fang Hu , Zhi Jin , Tiancai Ye , Wei-Shi Zheng

Vision Transformer models have shown impressive effectiveness in the surgical video understanding tasks through long-range dependency modeling. However, current methods suffer from prohibitive computational costs due to processing massive…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Xixi Jiang , Chen Yang , Dong Zhang , Pingcheng Dong , Xin Yang , Kwang-Ting Cheng

This paper does not introduce a novel method but instead establishes a straightforward, incremental, yet essential baseline for video temporal grounding (VTG), a core capability in video understanding. While multimodal large language models…

Computer Vision and Pattern Recognition · Computer Science 2026-03-27 Jun Zhang , Teng Wang , Yuying Ge , Yixiao Ge , Xinhao Li , Ying Shan , Limin Wang

Temporal Video Grounding (TVG) aims to localize temporal moments in an untrimmed video that semantically correspond to given natural language queries. Recently, Graph Convolutional Networks (GCN) have been widely adopted in TVG to model…

Computer Vision and Pattern Recognition · Computer Science 2026-05-04 Zhanjie Hu , Bolin Zhang , Jianhua Wang , Jianbo Zheng , Chenchen Yan , Takahiro Komamizu , Ichiro Ide , Jiangbo Qian

Accurate spatiotemporal traffic forecasting is a critical prerequisite for proactive resource management in dense urban mobile networks. While large language models have shown promise in time series analysis, they inherently struggle to…

Machine Learning · Computer Science 2026-05-15 Ning Yang , Hengyu Zhong , Haijun Zhang , Randall Berry

A core capability towards general embodied intelligence lies in localizing task-relevant objects from an egocentric perspective, formulated as Spatio-Temporal Video Grounding (STVG). Despite recent progress, existing STVG studies remain…

Computer Vision and Pattern Recognition · Computer Science 2026-04-07 Qi'ao Xu , Tianwen Qian , Yuqian Fu , Kailing Li , Yang Jiao , Jiacheng Zhang , Xiaoling Wang , Liang He