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In modern intelligent video surveillance systems, automatic anomaly detection through computer vision analytics plays a pivotal role which not only significantly increases monitoring efficiency but also reduces the burden on live…

计算机视觉与模式识别 · 计算机科学 2020-04-14 Sijie Zhu , Chen Chen , Waqas Sultani

Anomaly detection in computational workflows is critical for ensuring system reliability and security. However, traditional rule-based methods struggle to detect novel anomalies. This paper leverages large language models (LLMs) for…

Recent advances in generative artificial intelligence have enabled the creation of highly realistic image forgeries, raising significant concerns about digital media authenticity. While existing detection methods demonstrate promising…

多媒体 · 计算机科学 2025-04-15 Junhao Xu , Jingjing Chen , Yang Jiao , Jiacheng Zhang , Zhiyu Tan , Hao Li , Yu-Gang Jiang

Unified vision-language models (VLMs) promise to streamline computer vision pipelines by reframing multiple visual tasks such as classification, detection, and keypoint localization within a single language-driven interface. This…

计算机视觉与模式识别 · 计算机科学 2025-08-05 Conor Wallace , Isaac Corley , Jonathan Lwowski

Semantic segmentation networks have achieved significant success under the assumption of independent and identically distributed data. However, these networks often struggle to detect anomalies from unknown semantic classes due to the…

计算机视觉与模式识别 · 计算机科学 2024-09-27 Liangyu Zhong , Joachim Sicking , Fabian Hüger , Hanno Gottschalk

Video anomaly detection (VAD) is essential for enhancing safety and security by identifying unusual events across different environments. Existing VAD benchmarks, however, are primarily designed for general-purpose scenarios, neglecting the…

计算机视觉与模式识别 · 计算机科学 2025-06-17 Xinyi Zhao , Congjing Zhang , Pei Guo , Wei Li , Lin Chen , Chaoyue Zhao , Shuai Huang

Many vision-language models (VLMs) that prove very effective at a range of multimodal task, build on CLIP-based vision encoders, which are known to have various limitations. We investigate the hypothesis that the strong language backbone in…

计算机视觉与模式识别 · 计算机科学 2025-09-22 Sho Takishita , Jay Gala , Abdelrahman Mohamed , Kentaro Inui , Yova Kementchedjhieva

This paper proposes a Short-Window Sliding Learning framework for real-time violence detection in CCTV footages. Unlike conventional long-video training approaches, the proposed method divides videos into 1-2 second clips and applies Large…

计算机视觉与模式识别 · 计算机科学 2025-11-17 Seoik Jung , Taekyung Song , Yangro Lee , Sungjun Lee

Visual anomaly detection has been widely used in industrial inspection and medical diagnosis. Existing methods typically demand substantial training samples, limiting their utility in zero-/few-shot scenarios. While recent efforts have…

计算机视觉与模式识别 · 计算机科学 2025-07-29 Qingqing Fang , Wenxi Lv , Qinliang Su

The recent developments in Large Multi-modal Video Models (Video-LMMs) have significantly enhanced our ability to interpret and analyze video data. Despite their impressive capabilities, current Video-LMMs have not been evaluated for…

计算机视觉与模式识别 · 计算机科学 2025-03-26 Rohit Bharadwaj , Hanan Gani , Muzammal Naseer , Fahad Shahbaz Khan , Salman Khan

With recent progress in joint modeling of visual and textual representations, Vision-Language Pretraining (VLP) has achieved impressive performance on many multimodal downstream tasks. However, the requirement for expensive annotations…

计算机视觉与模式识别 · 计算机科学 2022-05-17 Zirui Wang , Jiahui Yu , Adams Wei Yu , Zihang Dai , Yulia Tsvetkov , Yuan Cao

Traditional machine learning-based visual inspection systems require extensive data collection and repetitive model training to improve accuracy. These systems typically require expensive camera, computing equipment and significant machine…

计算机视觉与模式识别 · 计算机科学 2026-05-19 Yunbo Long , Zhengyang Ling , Sam Brook , Duncan McFarlane , Alexandra Brintrup

Vision-language models (VLMs) have emerged as formidable tools, showing their strong capability in handling various open-vocabulary tasks in image recognition, text-driven visual content generation, and visual chatbots, to name a few. In…

机器学习 · 计算机科学 2024-06-17 Shuoyuan Wang , Jindong Wang , Guoqing Wang , Bob Zhang , Kaiyang Zhou , Hongxin Wei

Vision-Language Models (VLMs) achieve strong cross-modal performance, yet recent evidence suggests they over-rely on textual descriptions while under-utilizing visual evidence -- a phenomenon termed ``text shortcut learning.'' We propose an…

计算机视觉与模式识别 · 计算机科学 2026-04-21 Lijie Zhou

Vision-language models such as CLIP are pretrained on large volumes of internet sourced image and text pairs, and have been shown to sometimes exhibit impressive zero- and low-shot image classification performance. However, due to their…

计算机视觉与模式识别 · 计算机科学 2022-10-11 Omiros Pantazis , Gabriel Brostow , Kate Jones , Oisin Mac Aodha

Existing semi-supervised video anomaly detection (VAD) methods often struggle with detecting complex anomalies involving object interactions and generally lack explainability. To overcome these limitations, we propose a novel VAD framework…

计算机视觉与模式识别 · 计算机科学 2026-03-02 Furkan Mumcu , Michael J. Jones , Anoop Cherian , Yasin Yilmaz

The performance of vision-language models (VLMs), such as CLIP, in visual classification tasks, has been enhanced by leveraging semantic knowledge from large language models (LLMs), including GPT. Recent studies have shown that in zero-shot…

计算机视觉与模式识别 · 计算机科学 2024-11-12 Hankyeol Lee , Gawon Seo , Wonseok Choi , Geunyoung Jung , Kyungwoo Song , Jiyoung Jung

Recent advances in Vision-Language Models (VLMs) have achieved impressive performance across many tasks, yet prior studies report unsatisfactory performance when applying large language or multimodal models to finding abnormal patterns in…

人工智能 · 计算机科学 2026-05-29 Xiaona Zhou , Muntasir Wahed , Tianjiao Yu , Constantin Brif , Ismini Lourentzou

Pre-trained vision-language models (VLMs) have enabled significant progress in open vocabulary computer vision tasks such as image classification, object detection and image segmentation. Some recent works have focused on extending VLMs to…

计算机视觉与模式识别 · 计算机科学 2025-10-14 Rohit Gupta , Mamshad Nayeem Rizve , Jayakrishnan Unnikrishnan , Ashish Tawari , Son Tran , Mubarak Shah , Benjamin Yao , Trishul Chilimbi

Cross-component linear model (CCLM) prediction has been repeatedly proven to be effective in reducing the inter-channel redundancies in video compression. Essentially speaking, the linear model is identically trained by employing accessible…

多媒体 · 计算机科学 2021-09-01 Junru Li , Meng Wang , Li Zhang , Shiqi Wang , Kai Zhang , Shanshe Wang , Siwei Ma , Wen Gao