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Video Anomaly Detection (VAD) aims to automatically analyze spatiotemporal patterns in surveillance videos collected from open spaces to detect anomalous events that may cause harm, such as fighting, stealing, and car accidents. However,…

计算机视觉与模式识别 · 计算机科学 2025-07-01 Yang Liu , Siao Liu , Xiaoguang Zhu , Jielin Li , Hao Yang , Liangyu Teng , Juncen Guo , Yan Wang , Dingkang Yang , Jing Liu

Video anomaly detection (VAD) without human monitoring is a complex computer vision task that can have a positive impact on society if implemented successfully. While recent advances have made significant progress in solving this task, most…

计算机视觉与模式识别 · 计算机科学 2023-08-23 Joseph Fioresi , Ishan Rajendrakumar Dave , Mubarak Shah

Unsupervised (US) video anomaly detection (VAD) in surveillance applications is gaining more popularity recently due to its practical real-world applications. As surveillance videos are privacy sensitive and the availability of large-scale…

计算机视觉与模式识别 · 计算机科学 2024-10-10 Anas Al-lahham , Muhammad Zaigham Zaheer , Nurbek Tastan , Karthik Nandakumar

Video Anomaly Detection (VAD) identifies unusual activities in video streams, a key technology with broad applications ranging from surveillance to healthcare. Tackling VAD in real-life settings poses significant challenges due to the…

计算机视觉与模式识别 · 计算机科学 2024-04-30 Shanle Yao , Ghazal Alinezhad Noghre , Armin Danesh Pazho , Hamed Tabkhi

Advancements in deep learning have improved anomaly detection in surveillance videos, yet they raise urgent privacy concerns due to the collection of sensitive human data. In this paper, we present a comprehensive analysis of anomaly…

计算机视觉与模式识别 · 计算机科学 2025-07-21 Sara Abdulaziz , Egor Bondarev

We introduce a novel formulation of visual privacy preservation for video foundation models that operates entirely in the latent space. While spatio-temporal features learned by foundation models have deepened general understanding of video…

计算机视觉与模式识别 · 计算机科学 2026-04-06 Joseph Fioresi , Ishan Rajendrakumar Dave , Mubarak Shah

The rapid development of video surveillance systems for object detection, tracking, activity recognition, and anomaly detection has revolutionized our day-to-day lives while setting alarms for privacy concerns. It isn't easy to strike a…

计算机视觉与模式识别 · 计算机科学 2025-04-22 Nazia Aslam , Kamal Nasrollahi

Visual Anomaly Detection (VAD) is a key task in industrial settings, where minimizing operational costs is essential. Deploying deep learning models within Internet of Things (IoT) environments introduces specific challenges due to limited…

计算机视觉与模式识别 · 计算机科学 2025-12-15 Arianna Stropeni , Francesco Borsatti , Manuel Barusco , Davide Dalle Pezze , Marco Fabris , Gian Antonio Susto

The reliability of a machine vision system for autonomous driving depends heavily on its training data distribution. When a vehicle encounters significantly different conditions, such as atypical obstacles, its perceptual capabilities can…

计算机视觉与模式识别 · 计算机科学 2026-04-17 Fabrizio Genilotti , Arianna Stropeni , Gionata Grotto , Francesco Borsatti , Manuel Barusco , Davide Dalle Pezze , Gian Antonio Susto

The increasing capabilities of deep neural networks for re-identification, combined with the rise in public surveillance in recent years, pose a substantial threat to individual privacy. Event cameras were initially considered as a…

计算机视觉与模式识别 · 计算机科学 2024-11-26 Katharina Bendig , René Schuster , Nicole Thiemer , Karen Joisten , Didier Stricker

Video Anomaly Detection (VAD) can play a key role in spotting unusual activities in video footage. VAD is difficult to use in real-world settings due to the dynamic nature of human actions, environmental variations, and domain shifts.…

计算机视觉与模式识别 · 计算机科学 2025-08-13 Shanle Yao , Ghazal Alinezhad Noghre , Armin Danesh Pazho , Hamed Tabkhi

Human-centric Video Anomaly Detection (VAD) aims to identify human behaviors that deviate from normal. At its core, human-centric VAD faces substantial challenges, such as the complexity of diverse human behaviors, the rarity of anomalies,…

计算机视觉与模式识别 · 计算机科学 2025-03-21 Armin Danesh Pazho , Shanle Yao , Ghazal Alinezhad Noghre , Babak Rahimi Ardabili , Vinit Katariya , Hamed Tabkhi

Video anomaly detection (VAD) addresses the problem of automatically finding anomalous events in video data. The primary data modalities on which current VAD systems work on are monochrome or RGB images. Using depth data in this context…

计算机视觉与模式识别 · 计算机科学 2022-04-13 Pascal Schneider , Jason Rambach , Bruno Mirbach , Didier Stricker

With rising technologies, the protection of privacy-sensitive information is becoming increasingly important. In industry and production facilities, image or video recordings are beneficial for documentation, tracing production errors or…

计算机视觉与模式识别 · 计算机科学 2024-06-12 Sabrina Cynthia Triess , Timo Leitritz , Christian Jauch

Video Anomaly Detection (VAD), which aims to detect anomalies that deviate from expectation, has attracted increasing attention in recent years. Existing advancements in VAD primarily focus on model architectures and training strategies,…

计算机视觉与模式识别 · 计算机科学 2025-11-03 Zihao Liu , Xiaoyu Wu , Wenna Li , Linlin Yang , Shengjin Wang

Video anomaly detection (VAD) systems often prioritize accuracy while overlooking privacy concerns, limiting their suitability for real-world deployment. We propose the Orthogonal Projection Layer (OPL), a lightweight module that removes…

计算机视觉与模式识别 · 计算机科学 2026-05-12 Lei Wang , Wenxiang Diao , Andrew Busch , Jun Zhou , Yongsheng Gao

Video anomaly detection (VAD) is crucial for video analysis and surveillance in computer vision. However, existing VAD models rely on learned normal patterns, which makes them difficult to apply to diverse environments. Consequently, users…

计算机视觉与模式识别 · 计算机科学 2025-12-08 Sunghyun Ahn , Youngwan Jo , Kijung Lee , Sein Kwon , Inpyo Hong , Sanghyun Park

In this paper, we introduce a deep learning solution for video activity recognition that leverages an innovative combination of convolutional layers with a linear-complexity attention mechanism. Moreover, we introduce a novel quantization…

计算机视觉与模式识别 · 计算机科学 2025-05-27 Gabriele Lagani , Fabrizio Falchi , Claudio Gennaro , Giuseppe Amato

This paper presents a lightweight three-dimensional convolutional neural network (3DCNN) for human activity recognition (HAR) using event-based vision data. Privacy preservation is a key challenge in human monitoring systems, as…

计算机视觉与模式识别 · 计算机科学 2026-02-24 Mehdi Sefidgar Dilmaghani , Francis Fowley , Peter Corcoran

The collection and detection of video anomaly data has long been a challenging problem due to its rare occurrence and spatio-temporal scarcity. Existing video anomaly detection (VAD) methods under perform in open-world scenarios. Key…

计算机视觉与模式识别 · 计算机科学 2026-03-24 Zunkai Dai , Ke Li , Jiajia Liu , Jie Yang , Yuanyuan Qiao
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