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Anomaly Detection is a relevant problem that arises in numerous real-world applications, especially when dealing with images. However, there has been little research for this task in the Continual Learning setting. In this work, we…

Computer Vision and Pattern Recognition · Computer Science 2024-09-09 Davide Dalle Pezze , Eugenia Anello , Chiara Masiero , Gian Antonio Susto

Unsupervised anomaly detection is a challenging task in industrial applications since it is impracticable to collect sufficient anomalous samples. In this paper, a novel Self-Supervised Guided Segmentation Framework (SGSF) is proposed by…

Computer Vision and Pattern Recognition · Computer Science 2022-09-27 Peng Xing , Yanpeng Sun , Zechao Li

Online sensing plays an important role in advancing modern manufacturing. The real-time sensor signals, which can be stored as high-resolution time series data, contain rich information about the operation status. One of its popular usages…

Machine Learning · Computer Science 2025-10-14 Frida Cantu , Salomon Ibarra , Arturo Gonzales , Jesus Barreda , Chenang Liu , Li Zhang

The burgeoning navigation services using digital maps provide great convenience to drivers. Nevertheless, the presence of anomalies in lane rendering map images occasionally introduces potential hazards, as such anomalies can be misleading…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Yongqi Dong , Xingmin Lu , Ruohan Li , Wei Song , Bart van Arem , Haneen Farah

Analyzing medical data to find abnormalities is a time-consuming and costly task, particularly for rare abnormalities, requiring tremendous efforts from medical experts. Artificial intelligence has become a popular tool for the automatic…

Unsupervised anomaly detection stands as an important problem in machine learning, with applications in financial fraud prevention, network security and medical diagnostics. Existing unsupervised anomaly detection algorithms rarely perform…

Machine Learning · Computer Science 2026-02-04 Pritam Kar , Rahul Bordoloi , Olaf Wolkenhauer , Saptarshi Bej

Current deepfake detection models achieve state-of-the-art performance on pristine academic datasets but suffer severe spatial attention drift under real-world compound degradations, such as blurring and severe lossy compression. To address…

Computer Vision and Pattern Recognition · Computer Science 2026-04-29 Minh-Khoa Le-Phan , Minh-Hoang Le , Trong-Le Do , Minh-Triet Tran

Physics beyond the Standard Model that is resonant in one or more dimensions has been a longstanding focus of countless searches at colliders and beyond. Recently, many new strategies for resonant anomaly detection have been developed,…

High Energy Physics - Phenomenology · Physics 2024-03-18 Erik Buhmann , Cedric Ewen , Gregor Kasieczka , Vinicius Mikuni , Benjamin Nachman , David Shih

Point cloud (PCD) anomaly detection steadily emerges as a promising research area. This study aims to improve PCD anomaly detection performance by combining handcrafted PCD descriptions with powerful pre-trained 2D neural networks. To this…

Computer Vision and Pattern Recognition · Computer Science 2025-02-17 Yunkang Cao , Xiaohao Xu , Weiming Shen

Early and accurate disease detection is crucial for patient management and successful treatment outcomes. However, the automatic identification of anomalies in medical images can be challenging. Conventional methods rely on large labeled…

Image and Video Processing · Electrical Eng. & Systems 2023-03-16 Cosmin I Bercea , Benedikt Wiestler , Daniel Rueckert , Julia A Schnabel

Astronomical imaging remains noise-limited under practical observing conditions. Standard calibration pipelines remove structured artifacts but largely leave stochastic noise unresolved. Although learning-based denoising has shown strong…

Instrumentation and Methods for Astrophysics · Physics 2026-03-17 Shuhong Liu , Xining Ge , Ziying Gu , Quanfeng Xu , Lin Gu , Ziteng Cui , Xuangeng Chu , Jun Liu , Dong Li , Tatsuya Harada

Visual anomaly detection in real-world industrial settings faces two major limitations. First, most existing methods are trained on purely normal data or on unlabeled datasets assumed to be predominantly normal, presuming the absence of…

Computer Vision and Pattern Recognition · Computer Science 2026-02-05 Anindya Sundar Das , Monowar Bhuyan

Multimodal Unsupervised Anomaly Detection (UAD) is critical for quality assurance in smart manufacturing, particularly in complex processes like robotic welding. However, existing methods often suffer from process-logic blindness, treating…

Machine Learning · Computer Science 2026-01-21 Xiao Liu , Junchen Jin , Yanjie Zhao , Zhixuan Xing

Unsupervised anomaly detection is a challenging task. Autoencoders (AEs) or generative models are often employed to model the data distribution of normal inputs and subsequently identify anomalous, out-of-distribution inputs by high…

Machine Learning · Computer Science 2025-06-12 Yalin Liao , Austin J. Brockmeier

Industrial anomaly detection (IAD) increasingly benefits from integrating 2D and 3D data, but robust cross-modal fusion remains challenging. We propose a novel unsupervised framework, Multi-Modal Attention-Driven Fusion Restoration (MAFR),…

Computer Vision and Pattern Recognition · Computer Science 2025-10-28 Usman Ali , Ali Zia , Abdul Rehman , Umer Ramzan , Zohaib Hassan , Talha Sattar , Jing Wang , Wei Xiang

Automatic thin-prep cytologic test (TCT) screening can assist pathologists in finding cervical abnormality towards accurate and efficient cervical cancer diagnosis. Current automatic TCT screening systems mostly involve abnormal cervical…

Computer Vision and Pattern Recognition · Computer Science 2024-02-27 Zhenrong Shen , Manman Fei , Xin Wang , Jiangdong Cai , Sheng Wang , Lichi Zhang , Qian Wang

Anomaly detection in dynamic graphs is essential for identifying malicious activities, fraud, and unexpected behaviors in real-world systems such as cybersecurity and power grids. However, existing approaches struggle with scalability,…

Machine Learning · Computer Science 2025-09-16 Ocheme Anthony Ekle , William Eberle

The complexity of modern electro-mechanical systems require the development of sophisticated diagnostic methods like anomaly detection capable of detecting deviations. Conventional anomaly detection approaches like signal processing and…

Machine Learning · Computer Science 2025-01-07 Abhishek Srinivasan , Varun Singapuri Ravi , Juan Carlos Andresen , Anders Holst

Ensuring consistent product quality in modern manufacturing is crucial, particularly in safety-critical applications. Conventional quality control approaches, reliant on manually defined thresholds and features, lack adaptability to the…

Machine Learning · Computer Science 2026-04-09 Bernd Hofmann , Patrick Bruendl , Huong Giang Nguyen , Joerg Franke

A hierarchical ensemble pipeline is introduced to address anomaly detection in multivariate telemetry data provided by European Space Agency (ESA). The method integrates shapelet-based and statistical feature extraction, per-channel…

Machine Learning · Computer Science 2026-05-12 Lorenzo Riccardo Allegrini , Geremia Pompei