English
Related papers

Related papers: Dinomaly: The Less Is More Philosophy in Multi-Cla…

200 papers

Anomaly detection is critical in surveillance systems and patrol robots by identifying anomalous regions in images for early warning. Depending on whether reference data are utilized, anomaly detection can be categorized into anomaly…

Robotics · Computer Science 2024-08-23 Dong Li , Lineng Chen , Cheng-Zhong Xu , Hui Kong

Visual defect assessment is a form of anomaly detection. This is very relevant in finding faults such as cracks and markings in various surface inspection tasks like pavement and automotive parts. The task involves detection of…

Computer Vision and Pattern Recognition · Computer Science 2019-05-31 Manpreet Singh Minhas , John Zelek

Graph anomaly detection in this paper aims to distinguish abnormal nodes that behave differently from the benign ones accounting for the majority of graph-structured instances. Receiving increasing attention from both academia and industry,…

Machine Learning · Computer Science 2022-10-19 Fanzhen Liu , Xiaoxiao Ma , Jia Wu , Jian Yang , Shan Xue , Amin Beheshti , Chuan Zhou , Hao Peng , Quan Z. Sheng , Charu C. Aggarwal

Explainable anomaly detection methods often have the capability to identify and spatially localise anomalies within an image but lack the capability to differentiate the type of anomaly. Furthermore, they often require the costly training…

Computer Vision and Pattern Recognition · Computer Science 2025-12-02 Alex George , Lyudmila Mihaylova , Sean Anderson

Unsupervised Continuous Anomaly Detection (UCAD) is gaining attention for effectively addressing the catastrophic forgetting and heavy computational burden issues in traditional Unsupervised Anomaly Detection (UAD). However, existing UCAD…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Mingle Zhou , Jiahui Liu , Jin Wan , Gang Li , Min Li

Dealing with atypical traffic scenarios remains a challenging task in autonomous driving. However, most anomaly detection approaches cannot be trained on raw sensor data but require exposure to outlier data and powerful semantic…

Computer Vision and Pattern Recognition · Computer Science 2024-10-02 Daniel Bogdoll , Noël Ollick , Tim Joseph , Svetlana Pavlitska , J. Marius Zöllner

Recent advancements in large-scale visual-language pre-trained models have led to significant progress in zero-/few-shot anomaly detection within natural image domains. However, the substantial domain divergence between natural and medical…

Computer Vision and Pattern Recognition · Computer Science 2024-03-20 Chaoqin Huang , Aofan Jiang , Jinghao Feng , Ya Zhang , Xinchao Wang , Yanfeng Wang

Semi-supervised video anomaly detection (VAD) methods formulate the task of anomaly detection as detection of deviations from the learned normal patterns. Previous works in the field (reconstruction or prediction-based methods) suffer from…

Computer Vision and Pattern Recognition · Computer Science 2022-05-05 Mohammad Baradaran , Robert Bergevin

Anomaly detection (AD) is increasingly recognized as a key component for ensuring the resilience of future communication systems. While deep learning has shown state-of-the-art AD performance, its application in critical systems is hindered…

Machine Learning · Computer Science 2025-10-29 Lukas Schynol , Marius Pesavento

Knowledge distillation based on student-teacher network is one of the mainstream solution paradigms for the challenging unsupervised Anomaly Detection task, utilizing the difference in representation capabilities of the teacher and student…

Computer Vision and Pattern Recognition · Computer Science 2024-10-16 Xinyue Liu , Jianyuan Wang , Biao Leng , Shuo Zhang

Anomaly detection and localization without any manual annotations and prior knowledge is a challenging task under the setting of unsupervised learning. The existing works achieve excellent performance in the anomaly detection, but with…

Computer Vision and Pattern Recognition · Computer Science 2024-05-16 Honghui Chen , Pingping Chen , Huan Mao , Mengxi Jiang

Detecting anomalies from 3D point clouds has received increasing attention in the field of computer vision, with some group-based or point-based methods achieving impressive results in recent years. However, learning accurate point-wise…

Computer Vision and Pattern Recognition · Computer Science 2026-05-07 Haibo Xiao , Hanzhe Liang , Jie Zhou , Jinbao Wang , Can Gao

Machine learning offers potential solutions to current issues in industrial systems in areas such as quality control and predictive maintenance, but also faces unique barriers in industrial applications. An ongoing challenge is extreme…

Machine Learning · Computer Science 2026-01-15 Lesley Wheat , Martin v. Mohrenschildt , Saeid Habibi

In this paper we propose MECAD, a novel approach for continual anomaly detection using a multi-expert architecture. Our system dynamically assigns experts to object classes based on feature similarity and employs efficient memory management…

Computer Vision and Pattern Recognition · Computer Science 2025-12-18 Malihe Dahmardeh , Francesco Setti

Anomaly detection (AD) aims to identify defective images and localize their defects (if any). Ideally, AD models should be able to detect defects over many image classes; without relying on hard-coded class names that can be uninformative…

Computer Vision and Pattern Recognition · Computer Science 2024-04-01 Chih-Hui Ho , Kuan-Chuan Peng , Nuno Vasconcelos

Semi-supervised anomaly detection (AD) has shown great promise by effectively leveraging limited labeled data. However, existing methods are typically structured around scoring individual points or simple pairs. Such {point- or…

Machine Learning · Computer Science 2025-12-10 Jianling Gao , Chongyang Tao , Xuelian Lin , Junfeng Liu , Shuai Ma

Unsupervised anomaly detection (AD) aims to train robust detection models using only normal samples, while can generalize well to unseen anomalies. Recent research focuses on a unified unsupervised AD setting in which only one model is…

Computer Vision and Pattern Recognition · Computer Science 2024-09-11 Hui-Yue Yang , Hui Chen , Lihao Liu , Zijia Lin , Kai Chen , Liejun Wang , Jungong Han , Guiguang Ding

Detecting anomalous inputs, such as adversarial and out-of-distribution (OOD) inputs, is critical for classifiers (including deep neural networks or DNNs) deployed in real-world applications. While prior works have proposed various methods…

Machine Learning · Computer Science 2021-06-18 Jayaram Raghuram , Varun Chandrasekaran , Somesh Jha , Suman Banerjee

Continuous electrocardiogram (ECG) monitoring via wearable devices is vital for early cardiovascular disease detection. However, deploying deep learning models on resource-constrained microcontrollers faces reliability challenges,…

Machine Learning · Computer Science 2026-01-26 Mustafa Fuad Rifet Ibrahim , Maurice Meijer , Alexander Schlaefer , Peer Stelldinger

Time series anomaly detection holds notable importance for risk identification and fault detection across diverse application domains. Unsupervised learning methods have become popular because they have no requirement for labels. However,…

Machine Learning · Computer Science 2025-05-05 Wenxin Zhang , Xiaojian Lin , Wenjun Yu , Guangzhen Yao , jingxiang Zhong , Yu Li , Renda Han , Songcheng Xu , Hao Shi , Cuicui Luo