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Robust detection of moving vehicles is a critical task for any autonomously operating outdoor robot or self-driving vehicle. Most modern approaches for solving this task rely on training image-based detectors using large-scale vehicle…

计算机视觉与模式识别 · 计算机科学 2022-06-14 Jannik Zürn , Wolfram Burgard

The detection and classification of vehicles on the road is a crucial task for traffic monitoring. Usually, Computer Vision (CV) algorithms dominate the task of vehicle classification on the road, but CV methodologies might suffer in poor…

声音 · 计算机科学 2023-02-07 Mohd Ashhad , Umang Goenka , Aaryan Jagetia , Parwin Akhtari , Sooraj K. Ambat , Mary Samuel

Video anomaly detection (VAD) aims to discover behaviors or events deviating from the normality in videos. As a long-standing task in the field of computer vision, VAD has witnessed much good progress. In the era of deep learning, with the…

计算机视觉与模式识别 · 计算机科学 2024-10-22 Peng Wu , Chengyu Pan , Yuting Yan , Guansong Pang , Peng Wang , Yanning Zhang

Navigational aids for blind and low vision individuals struggle conveying dynamic real-world environments, leading to cognitive overload from continuous, undifferentiated feedback. We present AMAVA, a novel real-time video-to-audio…

计算机视觉与模式识别 · 计算机科学 2026-04-28 Benjamin Klein , Kazi Ruslan Rahman , Sanchita Ghose

Datasets pertaining to autonomous vehicles (AVs) hold significant promise for a range of research fields, including artificial intelligence (AI), autonomous driving, and transportation engineering. Nonetheless, these datasets often…

机器人学 · 计算机科学 2025-06-10 Xintao Yan , Erdao Liang , Jiawei Wang , Haojie Zhu , Henry X. Liu

This paper proposes a scalable and interpretable framework for lane-wise highway traffic anomaly detection, leveraging multi-modal time series data extracted from surveillance cameras. Unlike traditional sensor-dependent methods, our…

图像与视频处理 · 电气工程与系统科学 2025-05-06 Mei Qiu , William Lorenz Reindl , Yaobin Chen , Stanley Chien , Shu Hu

Content-based video retrieval is one of the most challenging tasks in surveillance systems. In this study, Latent Dirichlet Allocation (LDA) topic model is used to annotate surveillance videos in an unsupervised manner. In scene…

计算机视觉与模式识别 · 计算机科学 2025-02-11 Mohammad Kianpisheh

Video anomaly detection (VAD) aims to identify unexpected events in videos and has wide applications in safety-critical domains. While semi-supervised methods trained on only normal samples have gained traction, they often suffer from high…

计算机视觉与模式识别 · 计算机科学 2025-04-15 Zongcan Ding , Haodong Zhang , Peng Wu , Guansong Pang , Zhiwei Yang , Peng Wang , Yanning Zhang

This paper presents the development of a comprehensive dataset capturing interactions between Autonomous Vehicles (AVs) and traffic control devices, specifically traffic lights and stop signs. Derived from the Waymo Motion dataset, our work…

机器人学 · 计算机科学 2025-12-24 Zheng Li , Zhipeng Bao , Haoming Meng , Haotian Shi , Qianwen Li , Handong Yao , Xiaopeng Li

A robust and efficient anomaly detection technique is proposed, capable of dealing with crowded scenes where traditional tracking based approaches tend to fail. Initial foreground segmentation of the input frames confines the analysis to…

计算机视觉与模式识别 · 计算机科学 2013-04-04 Vikas Reddy , Conrad Sanderson , Brian C. Lovell

Most existing video anomaly detectors rely solely on RGB frames, which lack the temporal resolution needed to capture abrupt or transient motion cues, key indicators of anomalous events. To address this limitation, we propose Image-Event…

计算机视觉与模式识别 · 计算机科学 2025-05-09 Sungheon Jeong , Jihong Park , Mohsen Imani

Accuracy anomaly detection in user-level social multimedia traffic is crucial for privacy security. Compared with existing models that passively detect specific anomaly classes with large labeled training samples, user-level social…

密码学与安全 · 计算机科学 2024-09-04 Tongtong Feng , Qi Qi , Jingyu Wang

Robustness against noisy imaging is crucial for practical image anomaly detection systems. This study introduces a Robust Anomaly Detection (RAD) dataset with free views, uneven illuminations, and blurry collections to systematically…

计算机视觉与模式识别 · 计算机科学 2024-07-23 Yuqi Cheng , Yunkang Cao , Rui Chen , Weiming Shen

Video Anomaly Detection (VAD) is essential for computer vision research. Existing VAD methods utilize either reconstruction-based or prediction-based frameworks. The former excels at detecting irregular patterns or structures, whereas the…

计算机视觉与模式识别 · 计算机科学 2025-03-11 Hongsong Wang , Andi Xu , Pinle Ding , Jie Gui

The paper presents a method for audio-based vehicle counting (VC) in low-to-moderate traffic using one-channel sound. We formulate VC as a regression problem, i.e., we predict the distance between a vehicle and the microphone. Minima of the…

声音 · 计算机科学 2020-10-23 Slobodan Djukanović , Jiři Matas , Tuomas Virtanen

Foreign substances on the road surface, such as rainwater or black ice, reduce the friction between the tire and the surface. The above situation will reduce the braking performance and make difficult to control the vehicle body posture. In…

声音 · 计算机科学 2021-12-15 YeongHyeon Park , JoonSung Lee , Myung Jin Kim , Wonseok Park

Deep learning-based approaches have achieved significant improvements on public video anomaly datasets, but often do not perform well in real-world applications. This paper addresses two issues: the lack of labeled data and the difficulty…

计算机视觉与模式识别 · 计算机科学 2024-04-22 Giacomo D'Amicantonio , Egor Bondarau , Peter H. N. de With

Unsupervised anomaly detection and localization, as of one the most practical and challenging problems in computer vision, has received great attention in recent years. From the time the MVTec AD dataset was proposed to the present, new…

计算机视觉与模式识别 · 计算机科学 2022-05-31 Ye Zheng , Xiang Wang , Yu Qi , Wei Li , Liwei Wu

Weakly supervised video anomaly detection (WS-VAD) is a crucial area in computer vision for developing intelligent surveillance systems. This system uses three feature streams: RGB video, optical flow, and audio signals, where each stream…

计算机视觉与模式识别 · 计算机科学 2025-04-07 Yuta Kaneko , Abu Saleh Musa Miah , Najmul Hassan , Hyoun-Sup Lee , Si-Woong Jang , Jungpil Shin

Automating visual inspection in industrial production lines is essential for increasing product quality across various industries. Anomaly detection (AD) methods serve as robust tools for this purpose. However, existing public datasets…

计算机视觉与模式识别 · 计算机科学 2024-05-14 Aimira Baitieva , David Hurych , Victor Besnier , Olivier Bernard