English
Related papers

Related papers: Reasoning-Guided Grounding: Elevating Video Anomal…

200 papers

Video anomaly detection (VAD) methods are mostly CNN-based or Transformer-based, achieving impressive results, but the focus on detection accuracy often comes at the expense of inference speed. The emergence of state space models in…

Computer Vision and Pattern Recognition · Computer Science 2026-02-03 Jiahao Lyu , Minghua Zhao , Jing Hu , Xuewen Huang , Yifei Chen , Shuangli Du

Videos, with their unique temporal dimension, demand precise grounded understanding, where answers are directly linked to visual, interpretable evidence. Despite significant breakthroughs in text-based reasoning with large language models,…

Computer Vision and Pattern Recognition · Computer Science 2026-02-24 Ye Liu , Kevin Qinghong Lin , Chang Wen Chen , Mike Zheng Shou

Recent progress in generative video models, such as Veo-3, has shown surprising zero-shot reasoning abilities, creating a growing need for systematic and reliable evaluation. We introduce V-ReasonBench, a benchmark designed to assess video…

Computer Vision and Pattern Recognition · Computer Science 2025-11-21 Yang Luo , Xuanlei Zhao , Baijiong Lin , Lingting Zhu , Liyao Tang , Yuqi Liu , Ying-Cong Chen , Shengju Qian , Xin Wang , Yang You

Despite recent advances in video understanding, the capabilities of Large Video Language Models (LVLMs) to perform video-based causal reasoning remains underexplored, largely due to the absence of relevant and dedicated benchmarks for…

Computer Vision and Pattern Recognition · Computer Science 2025-05-14 Pritam Sarkar , Ali Etemad

Vision Language Models (VLMs) achieve strong performance on many vision-language tasks but often struggle with spatial reasoning$\unicode{x2014}$a prerequisite for many applications. Empirically, we find that a dataset produced by a current…

Computer Vision and Pattern Recognition · Computer Science 2025-10-29 Karim Elmaaroufi , Liheng Lai , Justin Svegliato , Yutong Bai , Sanjit A. Seshia , Matei Zaharia

Spatial understanding is a critical capability for vision foundation models. While recent advances in large vision models or vision-language models (VLMs) have expanded recognition capabilities, most benchmarks emphasize localization…

Computer Vision and Pattern Recognition · Computer Science 2025-09-29 Vahid Mirjalili , Ramin Giahi , Sriram Kollipara , Akshay Kekuda , Kehui Yao , Kai Zhao , Jianpeng Xu , Kaushiki Nag , Sinduja Subramaniam , Topojoy Biswas , Evren Korpeoglu , Kannan Achan

Visual Language Models (VLMs) have increasingly become the main paradigm for understanding indoor scenes, but they still struggle with metric and spatial reasoning. Current approaches rely on end-to-end video understanding or large-scale…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Fernando Ropero , Erkin Turkoz , Daniel Matos , Junqing Du , Antonio Ruiz , Yanfeng Zhang , Lu Liu , Mingwei Sun , Yongliang Wang

Vision-Language Models (VLMs) have recently emerged as powerful tools, excelling in tasks that integrate visual and textual comprehension, such as image captioning, visual question answering, and image-text retrieval. However, existing…

Computer Vision and Pattern Recognition · Computer Science 2025-03-26 Ilias Stogiannidis , Steven McDonagh , Sotirios A. Tsaftaris

Learning to ground natural language queries to target objects or regions in 3D point clouds is quite essential for 3D scene understanding. Nevertheless, existing 3D visual grounding approaches require a substantial number of bounding box…

Computer Vision and Pattern Recognition · Computer Science 2025-08-27 Xiaoxu Xu , Yitian Yuan , Qiudan Zhang , Wenhui Wu , Zequn Jie , Lin Ma , Xu Wang

The development of unsupervised Video Anomaly Detection (VAD) relies on technologies in the field of signal processing. Since the anomaly is quite ambiguous and unbounded, different detection demands may often be raised even in one…

Computer Vision and Pattern Recognition · Computer Science 2025-12-30 Kai Cheng , Xinzhe Li , Lijuan Che

Universal visual anomaly detection (AD) aims to identify anomaly images and segment anomaly regions towards open and dynamic scenarios, following zero- and few-shot paradigms without any dataset-specific fine-tuning. We have witnessed…

Computer Vision and Pattern Recognition · Computer Science 2026-01-12 Bin-Bin Gao , Chengjie Wang

The advance of Large Language Models (LLMs) has greatly stimulated research interest in developing multi-modal LLM (MLLM)-based visual anomaly detection (VAD) algorithms that can be deployed in complex environments. The challenge is that in…

Machine Learning · Computer Science 2026-03-04 Congjing Zhang , Feng Lin , Xinyi Zhao , Pei Guo , Wei Li , Lin Chen , Chaoyue Zhao , Shuai Huang

Advertisement (Ad) video violation detection is critical for ensuring platform compliance, but existing methods struggle with precise temporal grounding, noisy annotations, and limited generalization. We propose RAVEN, a novel framework…

Computation and Language · Computer Science 2025-10-21 Deyi Ji , Yuekui Yang , Haiyang Wu , Shaoping Ma , Tianrun Chen , Lanyun Zhu

3D Visual Grounding (3DVG) aims to localize objects in 3D scenes using natural language descriptions. Although supervised methods achieve higher accuracy in constrained settings, zero-shot 3DVG holds greater promise for real-world…

Computer Vision and Pattern Recognition · Computer Science 2025-08-29 Jiawen Lin , Shiran Bian , Yihang Zhu , Wenbin Tan , Yachao Zhang , Yuan Xie , Yanyun Qu

The advancement of Large Vision-Language Models (LVLMs) requires precise local region-based reasoning that faithfully grounds the model's logic in actual visual evidence. However, existing datasets face limitations in scalability due to…

Computer Vision and Pattern Recognition · Computer Science 2026-04-24 Byeonggeuk Lim , Kyeonghyun Kim , JungMin Yun , YoungBin Kim

Video anomaly detection (VAD) has rapidly advanced by recent development of Vision-Language Models (VLMs). While these models offer superior zero-shot detection capabilities, their immense computational cost and unstable visual grounding…

Computer Vision and Pattern Recognition · Computer Science 2025-10-21 Yue Zheng , Xiufang Shi , Jiming Chen , Yuanchao Shu

Human language is grounded on multimodal knowledge including visual knowledge like colors, sizes, and shapes. However, current large-scale pre-trained language models rely on text-only self-supervised training with massive text data, which…

Computation and Language · Computer Science 2023-02-28 Weizhi Wang , Li Dong , Hao Cheng , Haoyu Song , Xiaodong Liu , Xifeng Yan , Jianfeng Gao , Furu Wei

Grounded video description (GVD) encourages captioning models to attend to appropriate video regions (e.g., objects) dynamically and generate a description. Such a setting can help explain the decisions of captioning models and prevents the…

Computer Vision and Pattern Recognition · Computer Science 2021-12-03 Wenqiao Zhang , Xin Eric Wang , Siliang Tang , Haizhou Shi , Haocheng Shi , Jun Xiao , Yueting Zhuang , William Yang Wang

Video Anomaly Detection (VAD) is critical for surveillance and public safety. However, existing benchmarks are limited to either frame-level or video-level tasks, restricting a holistic view of model generalization. This work first…

Computer Vision and Pattern Recognition · Computer Science 2025-09-17 Seoik Jung , Taekyung Song , Joshua Jordan Daniel , JinYoung Lee , SungJun Lee

Recent advances in Multimodal Large Language Models (MLLMs) have significantly improved performance on tasks such as visual grounding and visual question answering. However, the reasoning processes of these models remain largely opaque;…

Computer Vision and Pattern Recognition · Computer Science 2025-12-05 Haobo Yuan , Yueyi Sun , Yanwei Li , Tao Zhang , Xueqing Deng , Henghui Ding , Lu Qi , Anran Wang , Xiangtai Li , Ming-Hsuan Yang