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Video anomaly detection (VAD) plays a critical role in public safety applications such as intelligent surveillance. However, the rarity, unpredictability, and high annotation cost of real-world anomalies make it difficult to scale VAD…

计算机视觉与模式识别 · 计算机科学 2025-08-04 Suhang Cai , Xiaohao Peng , Chong Wang , Xiaojie Cai , Jiangbo Qian

In computer vision, the development of robust algorithms capable of generalizing effectively in real-world scenarios more and more often requires large-scale datasets collected under diverse environmental conditions. However, acquiring such…

计算机视觉与模式识别 · 计算机科学 2025-02-19 Matteo Scucchia , Matteo Ferrara , Davide Maltoni

Pedestrian detection through Computer Vision is a building block for a multitude of applications. Recently, there was an increasing interest in Convolutional Neural Network-based architectures for the execution of such a task. One of these…

计算机视觉与模式识别 · 计算机科学 2020-09-22 Luca Ciampi , Nicola Messina , Fabrizio Falchi , Claudio Gennaro , Giuseppe Amato

Video anomaly retrieval aims to localize anomalous events in videos using natural language queries to facilitate public safety. However, existing datasets suffer from severe limitations: (1) data scarcity due to the long-tail nature of…

计算机视觉与模式识别 · 计算机科学 2025-06-03 Shuyu Yang , Yilun Wang , Yaxiong Wang , Li Zhu , Zhedong Zheng

High Dynamic Range (HDR) content (i.e., images and videos) has a broad range of applications. However, capturing HDR content from real-world scenes is expensive and time-consuming. Therefore, the challenging task of reconstructing visually…

计算机视觉与模式识别 · 计算机科学 2024-03-28 Hrishav Bakul Barua , Kalin Stefanov , KokSheik Wong , Abhinav Dhall , Ganesh Krishnasamy

In the past several years, road anomaly segmentation is actively explored in the academia and drawing growing attention in the industry. The rationale behind is straightforward: if the autonomous car can brake before hitting an anomalous…

计算机视觉与模式识别 · 计算机科学 2024-01-11 Beiwen Tian , Huan-ang Gao , Leiyao Cui , Yupeng Zheng , Lan Luo , Baofeng Wang , Rong Zhi , Guyue Zhou , Hao Zhao

Accounting for the increased concern for public safety, automatic abnormal event detection and recognition in a surveillance scene is crucial. It is a current open study subject because of its intricacy and utility. The identification of…

计算机视觉与模式识别 · 计算机科学 2023-11-27 Anikeit Sethi , Krishanu Saini , Sai Mounika Mididoddi

Recent developments in generative models and large-scale datasets have substantially advanced 3D world generation, facilitating a broad range of domains including spatial intelligence, embodied intelligence, and autonomous driving. While…

计算机视觉与模式识别 · 计算机科学 2026-05-14 Hanxin Zhu , Cong Wang , Peiyan Tu , Jiayi Luo , Tianyu He , Xin Jin , Zhibo Chen

Point cloud scene flow estimation is of practical importance for dynamic scene navigation in autonomous driving. Since scene flow labels are hard to obtain, current methods train their models on synthetic data and transfer them to real…

计算机视觉与模式识别 · 计算机科学 2022-04-01 Zhao Jin , Yinjie Lei , Naveed Akhtar , Haifeng Li , Munawar Hayat

Reliable anticipation of traffic accidents is essential for advancing autonomous driving systems. However, this objective is limited by two fundamental challenges: the scarcity of diverse, high-quality training data and the frequent absence…

计算机视觉与模式识别 · 计算机科学 2025-07-18 Yanchen Guan , Haicheng Liao , Chengyue Wang , Xingcheng Liu , Jiaxun Zhang , Zhenning Li

Video Anomaly Detection (VAD) automates the identification of unusual events, such as security threats in surveillance videos. In real-world applications, VAD models must effectively operate in cross-domain settings, identifying rare…

计算机视觉与模式识别 · 计算机科学 2024-08-12 Yashika Jain , Ali Dabouei , Min Xu

We address the problem of anomaly detection in videos. The goal is to identify unusual behaviours automatically by learning exclusively from normal videos. Most existing approaches are usually data-hungry and have limited generalization…

计算机视觉与模式识别 · 计算机科学 2020-07-16 Yiwei Lu , Frank Yu , Mahesh Kumar Krishna Reddy , Yang Wang

Deploying video anomaly detection in practice is hampered by the scarcity and collection cost of real abnormal footage. We address this by training without any real abnormal videos while evaluating under the standard weakly supervised…

计算机视觉与模式识别 · 计算机科学 2025-12-09 Satoshi Hashimoto , Hitoshi Nishimura , Yanan Wang , Mori Kurokawa

Anomalous activity recognition deals with identifying the patterns and events that vary from the normal stream. In a surveillance paradigm, these events range from abuse to fighting and road accidents to snatching, etc. Due to the sparse…

计算机视觉与模式识别 · 计算机科学 2021-01-05 R. Maqsood , UI. Bajwa , G. Saleem , Rana H. Raza , MW. Anwar

The automatic detection of anomalies captured by surveillance settings is essential for speeding the otherwise laborious approach. To date, UCF-Crime is the largest available dataset for automatic visual analysis of anomalies and consists…

计算机视觉与模式识别 · 计算机科学 2021-08-03 Kayleigh Boekhoudt , Alina Matei , Maya Aghaei , Estefanía Talavera

Video anomaly detection plays a significant role in intelligent surveillance systems. To enhance model's anomaly recognition ability, previous works have typically involved RGB, optical flow, and text features. Recently, dynamic vision…

计算机视觉与模式识别 · 计算机科学 2025-03-18 Yuanbin Qian , Shuhan Ye , Chong Wang , Xiaojie Cai , Jiangbo Qian , Jiafei Wu

Accident detection using Closed Circuit Television (CCTV) footage is one of the most imperative features for enhancing transport safety and efficient traffic control. To this end, this research addresses the issues of supervised monitoring…

计算机视觉与模式识别 · 计算机科学 2025-06-23 Zhenghao Xi , Xiang Liu , Yaqi Liu , Yitong Cai , Yangyu Zheng

The proliferation of generative AI has led to hyper-realistic synthetic videos, escalating misuse risks and outstripping binary real/fake detectors. We introduce SAGA (Source Attribution of Generative AI videos), the first comprehensive…

计算机视觉与模式识别 · 计算机科学 2026-04-06 Rohit Kundu , Vishal Mohanty , Hao Xiong , Shan Jia , Athula Balachandran , Amit K. Roy-Chowdhury

Image- and video-based 3D human recovery (i.e., pose and shape estimation) have achieved substantial progress. However, due to the prohibitive cost of motion capture, existing datasets are often limited in scale and diversity. In this work,…

计算机视觉与模式识别 · 计算机科学 2024-09-11 Zhongang Cai , Mingyuan Zhang , Jiawei Ren , Chen Wei , Daxuan Ren , Zhengyu Lin , Haiyu Zhao , Lei Yang , Chen Change Loy , Ziwei Liu

Video crime detection is a significant application of computer vision and artificial intelligence. However, existing datasets primarily focus on detecting severe crimes by analyzing entire video clips, often neglecting the precursor…

计算机视觉与模式识别 · 计算机科学 2024-12-06 Ryozo Masukawa , Sanggeon Yun , Yoshiki Yamaguchi , Mohsen Imani
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