English
Related papers

Related papers: UAV-AdNet: Unsupervised Anomaly Detection using De…

200 papers

Anomaly detection is an essential problem in machine learning. Application areas include network security, health care, fraud detection, etc., involving high-dimensional datasets. A typical anomaly detection system always faces the…

Machine Learning · Computer Science 2021-12-30 Inderjeet Singh , Nandyala Hemachandra

Automatic log file analysis enables early detection of relevant incidents such as system failures. In particular, self-learning anomaly detection techniques capture patterns in log data and subsequently report unexpected log event…

Machine Learning · Computer Science 2023-05-16 Max Landauer , Sebastian Onder , Florian Skopik , Markus Wurzenberger

Incorporating deep learning (DL) classification models into unmanned aerial vehicles (UAVs) can significantly augment search-and-rescue operations and disaster management efforts. In such critical situations, the UAV's ability to promptly…

Image and Video Processing · Electrical Eng. & Systems 2023-06-21 Gao Yu Lee , Tanmoy Dam , Md Meftahul Ferdaus , Daniel Puiu Poenar , Vu N. Duong

Anomaly driving detection is an important problem in advanced driver assistance systems (ADAS). It is important to identify potential hazard scenarios as early as possible to avoid potential accidents. This study proposes an unsupervised…

Computer Vision and Pattern Recognition · Computer Science 2022-03-17 Yuning Qiu , Teruhisa Misu , Carlos Busso

Due to the veracity and heterogeneity in network traffic, detecting anomalous events is challenging. The computational load on global servers is a significant challenge in terms of efficiency, accuracy, and scalability. Our primary…

Machine Learning · Computer Science 2023-03-15 William Marfo , Deepak K. Tosh , Shirley V. Moore

Deep neural networks (DNNs), while increasingly deployed in many applications, struggle with robustness against anomalous and out-of-distribution (OOD) data. Current OOD benchmarks often oversimplify, focusing on single-object tasks and not…

Computer Vision and Pattern Recognition · Computer Science 2024-09-30 Debargha Ganguly , Debayan Gupta , Vipin Chaudhary

Automatic detection of visual anomalies and changes in the environment has been a topic of recurrent attention in the fields of machine learning and computer vision over the past decades. A visual anomaly or change detection algorithm…

Computer Vision and Pattern Recognition · Computer Science 2022-09-07 Sahar Salimpour , Jorge Peña Queralta , Tomi Westerlund

Anomaly detection in surveillance videos is currently a challenge because of the diversity of possible events. We propose a deep convolutional neural network (CNN) that addresses this problem by learning a correspondence between common…

Computer Vision and Pattern Recognition · Computer Science 2019-08-20 Trong Nguyen Nguyen , Jean Meunier

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…

Computer Vision and Pattern Recognition · Computer Science 2023-11-27 Anikeit Sethi , Krishanu Saini , Sai Mounika Mididoddi

Anomaly detection (AD) plays a crucial role in various domains, including cybersecurity, finance, and healthcare, by identifying patterns or events that deviate from normal behaviour. In recent years, significant progress has been made in…

Machine Learning · Computer Science 2024-01-24 Hadi Hojjati , Thi Kieu Khanh Ho , Narges Armanfard

We consider the problem of anomaly detection in images, and present a new detection technique. Given a sample of images, all known to belong to a "normal" class (e.g., dogs), we show how to train a deep neural model that can detect…

Machine Learning · Computer Science 2018-11-12 Izhak Golan , Ran El-Yaniv

With the increase in use of Unmanned Aerial Vehicles (UAVs)/drones, it is important to detect and identify causes of failure in real time for proper recovery from a potential crash-like scenario or post incident forensics analysis. The…

Signal Processing · Electrical Eng. & Systems 2020-05-08 Vidyasagar Sadhu , Saman Zonouz , Dario Pompili

Abnormal event detection (AED) in urban surveillance videos has multiple challenges. Unlike other computer vision problems, the AED is not solely dependent on the content of frames. It also depends on the appearance of the objects and their…

Computer Vision and Pattern Recognition · Computer Science 2020-11-20 Ali Atghaei , Soroush Ziaeinejad , Mohammad Rahmati

Recent semi-supervised anomaly detection methods that are trained using small labeled anomaly examples and large unlabeled data (mostly normal data) have shown largely improved performance over unsupervised methods. However, these methods…

Machine Learning · Computer Science 2023-06-06 Guansong Pang , Chunhua Shen , Huidong Jin , Anton van den Hengel

Anomaly detection based on 3D point cloud data is an important research problem and receives more and more attention recently. Untrained anomaly detection based on only one sample is an emerging research problem motivated by real…

Machine Learning · Computer Science 2025-07-29 Juan Du , Dongheng Chen

Detecting obstacles is crucial for safe and efficient autonomous driving. To this end, we present NVRadarNet, a deep neural network (DNN) that detects dynamic obstacles and drivable free space using automotive RADAR sensors. The network…

Computer Vision and Pattern Recognition · Computer Science 2023-03-02 Alexander Popov , Patrik Gebhardt , Ke Chen , Ryan Oldja , Heeseok Lee , Shane Murray , Ruchi Bhargava , Nikolai Smolyanskiy

In this paper, we study unsupervised anomaly detection algorithms that learn a neural network representation, i.e. regular patterns of normal data, which anomalies are deviating from. Inspired by a similar concept in engineering, we refer…

Machine Learning · Computer Science 2025-11-12 Simon Klüttermann , Tim Katzke , Emmanuel Müller

Anomaly detection is a significant and hence well-studied problem. However, developing effective anomaly detection methods for complex and high-dimensional data remains a challenge. As Generative Adversarial Networks (GANs) are able to…

Machine Learning · Computer Science 2018-12-07 Houssam Zenati , Manon Romain , Chuan Sheng Foo , Bruno Lecouat , Vijay Ramaseshan Chandrasekhar

While classic video anomaly detection (VAD) requires labeled normal videos for training, emerging unsupervised VAD (UVAD) aims to discover anomalies directly from fully unlabeled videos. However, existing UVAD methods still rely on shallow…

Computer Vision and Pattern Recognition · Computer Science 2022-06-22 Guang Yu , Siqi Wang , Zhiping Cai , Xinwang Liu , Chuanfu Xu , Chengkun Wu

Anomaly detection tools and methods enable key analytical capabilities in modern cyberphysical and sensor-based systems. Despite the fast-paced development in deep learning architectures for anomaly detection, model optimization for a given…

Neural and Evolutionary Computing · Computer Science 2024-04-12 Marcin Pietroń , Dominik Żurek , Kamil Faber , Roberto Corizzo
‹ Prev 1 3 4 5 6 7 10 Next ›