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Papers Video Grounding

“Video Grounding” 태그가 달린 논문 140편 · 필터 해제

Thinking Beyond Videos: Unifying Video Reasoning and Deep Research for Open-World Video Agents

2026-08-24 · Wenqi Liu, Shijie Ma, Yunxiao Wang, Meng Liu 외 arxiv

Open-world video understanding often requires a model to locate sparse visual evidence and acquire external knowledge that is absent from the video and its parametric memory. While Thinking-with-Videos enables active tem…

Reinforcement LearningVideo Grounding

Training-Free Open-Vocabulary Visual Grounding for Remote Sensing Images and Videos

2026-06-15 · Ke Li, Di Wang, Yongshan Zhu, Ting Wang 외 arxiv

Remote sensing visual grounding (RSVG) aims to localize a referred target in a remote sensing image or video according to a natural language expression. Existing RSVG methods usually rely on task-specific manual annotati…

Referring ExpressionVisual GroundingVideo Grounding

CoSTL: Comprehensive Spatial-Temporal Representation Learning for Moment Retrieval and Highlight Detection

2026-05-31 · Xin Dong, Wenjia Geng, Wenfeng Deng, Yansong Tang arxiv

Video Moment Retrieval (MR) and Highlight Detection (HD) are crucial tasks in video analysis that aim to localize specific moments and estimate clip-wise relevance based on a given text query. Recent approaches treat the…

Representation LearningHighlight DetectionMoment RetrievalVideo Grounding

Two-Pass Zero-Shot Temporal-Spatial Grounding of Rare Traffic Events in Surveillance Video

2026-05-02 · Jiantang Huang arxiv

Grounding traffic accidents in real CCTV footage is a rare-event problem where training on labeled accident video is often prohibited, yet accurate joint localization in time, space, and collision type is required. We pr…

Video Grounding

Static and Dynamic Graph Alignment Network for Temporal Video Grounding

2026-05-01 · Zhanjie Hu, Bolin Zhang, Jianhua Wang, Jianbo Zheng 외 arxiv

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…

Natural Language QueriesContrastive LearningVideo Grounding

Subjective Portrait Region Cropping in Landscape Videos with Temporal Annotation Smoothing

2026-04-27 · Cheng-Han Lee, Maniratnam Mandal, Neil Birkbeck, Yilin Wang 외 arxiv

With the rise of mobile video consumption on diverse handheld display resolutions and orientation modes, altering videos to aspect ratios poses challenges. Static cropping and border padding often compromises visual qual…

Video Grounding

UniversalVTG: A Universal and Lightweight Foundation Model for Video Temporal Grounding

2026-04-09 · Joungbin An, Agrim Jain, Kristen Grauman arxiv

Video temporal grounding (VTG) is typically tackled with dataset-specific models that transfer poorly across domains and query styles. Recent efforts to overcome this limitation have adapted large multimodal language mod…

Video Grounding

GameplayQA: A Benchmarking Framework for Decision-Dense POV-Synced Multi-Video Understanding of 3D Virtual Agents

2026-03-25 · Yunzhe Wang, Runhui Xu, Kexin Zheng, Tianyi Zhang 외 arxiv

Multimodal LLMs are increasingly deployed as perceptual backbones for autonomous agents in 3D environments, from robotics to virtual worlds. These applications require agents to perceive rapid state changes, attribute ac…

Video Grounding

Think with Grounding: Curriculum Reinforced Reasoning with Video Grounding for Long Video Understanding

2026-02-21 · Houlun Chen, Xin Wang, Guangyao Li, Yuwei Zhou 외 arxiv

Long video understanding is challenging due to rich and complicated multimodal clues in long temporal range.Current methods adopt reasoning to improve the model's ability to analyze complex video clues in long videos via…

Video Grounding

STVG-R1: Incentivizing Instance-Level Reasoning and Grounding in Videos via Reinforcement Learning

2026-02-12 · Xiaowen Zhang, Zhi Gao, Licheng Jiao, Lingling Li 외 arxiv

In vision-language models (VLMs), misalignment between textual descriptions and visual coordinates often induces hallucinations. This issue becomes particularly severe in dense prediction tasks such as spatial-temporal v…

Referring Video Object SegmentationZero-shot GeneralizationReinforcement LearningVideo Grounding

VideoTemp-o3: Harmonizing Temporal Grounding and Video Understanding in Agentic Thinking-with-Videos

2026-02-08 · Wenqi Liu, Yunxiao Wang, Shijie Ma, Meng Liu 외 arxiv

In long-video understanding, conventional uniform frame sampling often fails to capture key visual evidence, leading to degraded performance and increased hallucinations. To address this, recent agentic thinking-with-vid…

Reinforcement LearningQuestion AnsweringVideo Grounding

E.M.Ground: A Temporal Grounding Vid-LLM with Holistic Event Perception and Matching

2026-02-05 · Jiahao Nie, Wenbin An, Gongjie Zhang, Yicheng Xu 외 arxiv

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 m…

Video Grounding

Video-OPD: Efficient Post-Training of Multimodal Large Language Models for Temporal Video Grounding via On-Policy Distillation

2026-02-03 · Jiaze Li, Hao Yin, Haoran Xu, Boshen Xu 외 arxiv

Reinforcement learning has emerged as a principled post-training paradigm for Temporal Video Grounding (TVG) due to its on-policy optimization, yet existing GRPO-based methods remain fundamentally constrained by sparse r…

Reinforcement LearningVideo Grounding

Finding Optimal Video Moment without Training: Gaussian Boundary Optimization for Weakly Supervised Video Grounding

2026-02-03 · Sunoh Kim, Kimin Yun, Daeho Um arxiv

Weakly supervised temporal video grounding aims to localize query-relevant segments in untrimmed videos using only video-sentence pairs, without requiring ground-truth segment annotations that specify exact temporal boun…

Video Grounding

Empower Words: DualGround for Structured Phrase and Sentence-Level Temporal Grounding

2025-10-23 · Minseok Kang, Minhyeok Lee, Minjung Kim, Donghyeong Kim 외 arxiv

Video Temporal Grounding (VTG) aims to localize temporal segments in long, untrimmed videos that align with a given natural language query. This task typically comprises two subtasks: Moment Retrieval (MR) and Highlight …

Highlight DetectionMoment RetrievalVideo Grounding

VideoAgentTrek: Computer Use Pretraining from Unlabeled Videos

2025-10-22 · Dunjie Lu, Yiheng Xu, Junli Wang, Haoyuan Wu 외 arxiv

Training computer-use agents requires massive amounts of GUI interaction data, but manually annotating action trajectories at scale is prohibitively expensive. We present VideoAgentTrek, a scalable pipeline that automati…

Video Grounding

An empirical study of the effect of video encoders on Temporal Video Grounding

2025-10-19 · Ignacio M. De la Jara, Cristian Rodriguez-Opazo, Edison Marrese-Taylor, Felipe Bravo-Marquez arxiv

Temporal video grounding is a fundamental task in computer vision, aiming to localize a natural language query in a long, untrimmed video. It has a key role in the scientific community, in part due to the large amount of…

Video Grounding

Enrich and Detect: Video Temporal Grounding with Multimodal LLMs

2025-10-19 · Shraman Pramanick, Effrosyni Mavroudi, Yale Song, Rama Chellappa 외 arxiv

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 …

Natural Language QueriesVideo Grounding

VTimeCoT: Thinking by Drawing for Video Temporal Grounding and Reasoning

2025-10-16 · Jinglei Zhang, Yuanfan Guo, Rolandos Alexandros Potamias, Jiankang Deng 외 arxiv

In recent years, video question answering based on multimodal large language models (MLLM) has garnered considerable attention, due to the benefits from the substantial advancements in LLMs. However, these models have a …

Video Question AnsweringVideo Grounding

SVAG-Bench: A Large-Scale Benchmark for Multi-Instance Spatio-temporal Video Action Grounding

2025-10-14 · Tanveer Hannan, Shuaicong Wu, Mark Weber, Suprosanna Shit 외 arxiv

A truly capable AI system must do more than detect objects or recognize activities in isolation. It must form unified, grounded representations of who is acting, what they are doing, and when and where these actions unfo…

Object TrackingVideo Grounding
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