English
Related papers

Related papers: VT-ADL: A Vision Transformer Network for Image Ano…

200 papers

In the recent past, there have been several efforts in accelerating computationally heavy beamforming algorithms such as minimum variance distortionless response (MVDR) beamforming to achieve real-time performance comparable to the popular…

Signal Processing · Electrical Eng. & Systems 2021-10-22 Sairoop Bodepudi , A N Madhavanunni , Mahesh Raveendranatha Panicker

In recent years, Visual Anomaly Detection (VAD) has gained significant attention due to its ability to identify defects using only normal images during training. Many VAD models work without supervision but are still able to provide visual…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Arianna Stropeni , Valentina Zaccaria , Francesco Borsatti , Davide Dalle Pezze , Manuel Barusco , Gian Antonio Susto

Anomaly detection in graph-structured data is an inherently challenging problem, as it requires the identification of rare nodes that deviate from the majority in both their structural and behavioral characteristics. Existing methods, such…

Machine Learning · Computer Science 2025-09-16 Mingkang Li , Xuexiong Luo , Yue Zhang , Yaoyang Li , Fu Lin

Obtaining ground truth data in medical imaging has difficulties due to the fact that it requires a lot of annotating time from the experts in the field. Also, when trained with supervised learning, it detects only the cases included in the…

Computer Vision and Pattern Recognition · Computer Science 2022-12-26 Inha Kang , Jinah Park

Deep anomaly detection is a difficult task since, in high dimensions, it is hard to completely characterize a notion of "differentness" when given only examples of normality. In this paper we propose a novel approach to deep anomaly…

Machine Learning · Computer Science 2020-10-07 Lucas Deecke , Lukas Ruff , Robert A. Vandermeulen , Hakan Bilen

In this paper, we develop and explore deep anomaly detection techniques based on the capsule network (CapsNet) for image data. Being able to encoding intrinsic spatial relationship between parts and a whole, CapsNet has been applied as both…

Machine Learning · Computer Science 2019-07-16 Xiaoyan Li , Iluju Kiringa , Tet Yeap , Xiaodan Zhu , Yifeng Li

In this paper, we introduce a novel task termed unified anomaly detection and classification, which aims to simultaneously detect anomalous regions in images and identify their specific categories. Existing methods typically treat anomaly…

Computer Vision and Pattern Recognition · Computer Science 2026-02-04 Ximiao Zhang , Min Xu , Zheng Zhang , Junlin Hu , Xiuzhuang Zhou

Anomaly detection or outlier detection is a common task in various domains, which has attracted significant research efforts in recent years. Existing works mainly focus on structured data such as numerical or categorical data; however,…

Computation and Language · Computer Science 2021-10-29 Zeyu You , Yichu Zhou , Tao Yang , Wei Fan

Recent advances in digitization have led to the availability of multivariate time series data in various domains, enabling real-time monitoring of operations. Identifying abnormal data patterns and detecting potential failures in these…

Machine Learning · Computer Science 2023-10-10 Fan Wang , Keli Wang , Boyu Yao

Industrial Anomaly Detection (IAD) is a subproblem within Computer Vision Anomaly Detection that has been receiving increasing amounts of attention due to its applicability to real-life scenarios. Recent research has focused on how to…

Computer Vision and Pattern Recognition · Computer Science 2025-09-23 Mariette Schönfeld , Wannes Meert , Hendrik Blockeel

This work proposes a real-time anomaly detection scheme that leverages the multi-step ahead prediction capabilities of encoder-decoder (ED) deep learning models with recurrent units. Specifically, an encoder-decoder is used to model…

Machine Learning · Computer Science 2023-09-08 Sadananda Behera , Tania Panayiotou , Georgios Ellinas

Anomaly detection is a classical but worthwhile problem, and many deep learning-based anomaly detection algorithms have been proposed, which can usually achieve better detection results than traditional methods. In view of reconstruct…

Machine Learning · Computer Science 2020-04-16 Chunkai Zhang , Shaocong Li , Hongye Zhang , Yingyang Chen

An anomaly detection method based on deep autoencoders is proposed to address anomalies that often occur in enterprise-level ETL data streams. The study first analyzes multiple types of anomalies in ETL processes, including delays, missing…

Machine Learning · Computer Science 2025-11-04 Xin Chen , Saili Uday Gadgil , Kangning Gao , Yi Hu , Cong Nie

Unsupervised representation learning has proved to be a critical component of anomaly detection/localization in images. The challenges to learn such a representation are two-fold. Firstly, the sample size is not often large enough to learn…

Computer Vision and Pattern Recognition · Computer Science 2020-11-24 Mohammadreza Salehi , Niousha Sadjadi , Soroosh Baselizadeh , Mohammad Hossein Rohban , Hamid R. Rabiee

Anomaly detection from a single image is challenging since anomaly data is always rare and can be with highly unpredictable types. With only anomaly-free data available, most existing methods train an AutoEncoder to reconstruct the input…

Computer Vision and Pattern Recognition · Computer Science 2021-03-23 Yunfei Liu , Chaoqun Zhuang , Feng Lu

Machine learning models are increasingly being deployed in real-world contexts. However, systematic studies on their transferability to specific and critical applications are underrepresented in the research literature. An important example…

Computer Vision and Pattern Recognition · Computer Science 2024-10-01 Akshatha Arodi , Margaux Luck , Jean-Luc Bedwani , Aldo Zaimi , Ge Li , Nicolas Pouliot , Julien Beaudry , Gaétan Marceau Caron

Time series anomaly detection (TSAD) is essential for maintaining the reliability and security of IoT-enabled service systems. Existing methods require training one specific model for each dataset, which exhibits limited generalization…

Machine Learning · Computer Science 2026-04-23 PengYu Chen , Shang Wan , Xiaohou Shi , Yuan Chang , Yan Sun , Sajal K. Das

Detecting anomaly patterns from images is a crucial artificial intelligence technique in industrial applications. Recent research in this domain has emphasized the necessity of a large volume of training data, overlooking the practical…

Computer Vision and Pattern Recognition · Computer Science 2025-07-30 Shenxing Wei , Xing Wei , Zhiheng Ma , Songlin Dong , Shaochen Zhang , Yihong Gong

Synthetic data provides a promising approach to address data scarcity for training machine learning models; however, adoption without proper quality assessments may introduce artifacts, distortions, and unrealistic features that compromise…

Computer Vision and Pattern Recognition · Computer Science 2025-11-10 Rucha Deshpande , Tahsin Rahman , Miguel Lago , Adarsh Subbaswamy , Jana G. Delfino , Ghada Zamzmi , Elim Thompson , Aldo Badano , Seyed Kahaki

We propose a semi-supervised model for detecting anomalies in videos inspiredby the Video Pixel Network [van den Oord et al., 2016]. VPN is a probabilisticgenerative model based on a deep neural network that estimates the discrete…

Computer Vision and Pattern Recognition · Computer Science 2018-11-27 Itamar Ben-Ari , Ravid Shwartz-Ziv