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Unsupervised anomaly localization on industrial textured images has achieved remarkable results through reconstruction-based methods, yet existing approaches based on image reconstruction and feature reconstruc-tion each have their own…

Computer Vision and Pattern Recognition · Computer Science 2024-07-26 Shichen Qu , Xian Tao , Zhen Qu , Xinyi Gong , Zhengtao Zhang , Mukesh Prasad

Video anomaly detection (VAD) has been extensively researched due to its potential for intelligent video systems. However, most existing methods based on CNNs and transformers still suffer from substantial computational burdens and have…

Computer Vision and Pattern Recognition · Computer Science 2024-12-31 Zhangxun Li , Mengyang Zhao , Xuan Yang , Yang Liu , Jiamu Sheng , Xinhua Zeng , Tian Wang , Kewei Wu , Yu-Gang Jiang

Radiography imaging protocols target on specific anatomical regions, resulting in highly consistent images with recurrent structural patterns across patients. Recent advances in medical anomaly detection have demonstrated the effectiveness…

Computer Vision and Pattern Recognition · Computer Science 2025-07-28 Rui Pan , Ruiying Lu

Despite a plethora of anomaly detection models developed over the years, their ability to generalize to unseen anomalies remains an issue, particularly in critical systems. This paper aims to address this challenge by introducing Swift…

Machine Learning · Statistics 2025-03-26 Nguyen Do , Truc Nguyen , Malik Hassanaly , Raed Alharbi , Jung Taek Seo , My T. Thai

Anomaly detection and localization are widely used in industrial manufacturing for its efficiency and effectiveness. Anomalies are rare and hard to collect and supervised models easily over-fit to these seen anomalies with a handful of…

Computer Vision and Pattern Recognition · Computer Science 2023-04-19 Hui Zhang , Zuxuan Wu , Zheng Wang , Zhineng Chen , Yu-Gang Jiang

This study investigates the performance of robust anomaly detection models in industrial inspection, focusing particularly on their ability to handle noisy data. We propose to leverage the adaptation ability of meta learning approaches to…

Computer Vision and Pattern Recognition · Computer Science 2025-03-04 Muhammad Aqeel , Shakiba Sharifi , Marco Cristani , Francesco Setti

Industry 4.0 aims to optimize the manufacturing environment by leveraging new technological advances, such as new sensing capabilities and artificial intelligence. The DRAEM technique has shown state-of-the-art performance for unsupervised…

Computer Vision and Pattern Recognition · Computer Science 2022-12-20 Jože M. Rožanec , Patrik Zajec , Spyros Theodoropoulos , Erik Koehorst , Blaž Fortuna , Dunja Mladenić

Arbitrary scale super-resolution (ASSR) aims to super-resolve low-resolution images to high-resolution images at any scale using a single model, addressing the limitations of traditional super-resolution methods that are restricted to…

Computer Vision and Pattern Recognition · Computer Science 2024-11-20 Peizhe Xia , Long Peng , Xin Di , Renjing Pei , Yang Wang , Yang Cao , Zheng-Jun Zha

Recent efforts on image restoration have focused on developing "all-in-one" models that can handle different degradation types and levels within single model. However, most of mainstream Transformer-based ones confronted with dilemma…

Computer Vision and Pattern Recognition · Computer Science 2024-12-23 Aiwen Jiang , Hourong Chen , Zhiwen Chen , Jihua Ye , Mingwen Wang

Video anomaly detection (VAD) methods are mostly CNN-based or Transformer-based, achieving impressive results, but the focus on detection accuracy often comes at the expense of inference speed. The emergence of state space models in…

Computer Vision and Pattern Recognition · Computer Science 2026-02-03 Jiahao Lyu , Minghua Zhao , Jing Hu , Xuewen Huang , Yifei Chen , Shuangli Du

Deep anomaly detection models using a supervised mode of learning usually work under a closed set assumption and suffer from overfitting to previously seen rare anomalies at training, which hinders their applicability in a real scenario. In…

Image and Video Processing · Electrical Eng. & Systems 2020-10-26 Behzad Bozorgtabar , Dwarikanath Mahapatra , Guillaume Vray , Jean-Philippe Thiran

Unsupervised anomaly detection in hyperspectral images (HSI), aiming to detect unknown targets from backgrounds, is challenging for earth surface monitoring. However, current studies are hindered by steep computational costs due to the…

Computer Vision and Pattern Recognition · Computer Science 2025-12-29 Guanchun Wang , Xiangrong Zhang , Yifei Zhang , Zelin Peng , Tianyang Zhang , Xu Tang , Licheng Jiao

Deep learning has been extensively applied in medical image reconstruction, where Convolutional Neural Networks (CNNs) and Vision Transformers (ViTs) represent the predominant paradigms, each possessing distinct advantages and inherent…

State-space modeling has emerged as a powerful paradigm for sequence analysis in various tasks such as natural language processing, time-series forecasting, and signal processing. In this work, we propose an \emph{Adaptive State-Space…

Machine Learning · Computer Science 2025-07-31 Alice Zhang , Chao Li

Metal artifact significantly degrades Computed Tomography (CT) image quality, impeding accurate clinical diagnosis. However, existing deep learning approaches, such as CNN and Transformer, often fail to explicitly capture the directional…

Image and Video Processing · Electrical Eng. & Systems 2026-02-09 Bowen Ning , Zekun Zhou , Xinyi Zhong , Zhongzhen Wang , HongXin Wu , HaiTao Wang , Liu Shi , Qiegen Liu

Recently, a novel visual state space (VSS) model, referred to as Mamba, has demonstrated significant progress in modeling long sequences with linear complexity, comparable to Transformer models, thereby enhancing its adaptability for…

Computer Vision and Pattern Recognition · Computer Science 2025-07-23 Tao Wang , Tiecheng Bai , Chao Xu , Bin Liu , Erlei Zhang , Jiyun Huang , Hongming Zhang

Recent advancements in Mamba have shown promising results in image restoration. These methods typically flatten 2D images into multiple distinct 1D sequences along rows and columns, process each sequence independently using selective scan…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Boyun Li , Haiyu Zhao , Wenxin Wang , Peng Hu , Yuanbiao Gou , Xi Peng

Recent Mamba-based image restoration methods have achieved promising results but remain limited by fixed scanning patterns and inefficient feature utilization. Conventional Mamba architectures rely on predetermined paths that cannot adapt…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Han Hu , Zhuoran Zheng , Liang Li , Chen Lyu

Human activity recognition (HAR) from inertial sensors is essential for ubiquitous computing, mobile health, and ambient intelligence. Conventional deep models such as Convolutional Neural Networks (CNNs), Recurrent Neural Networks (RNNs),…

Human-Computer Interaction · Computer Science 2025-11-27 Thai-Khanh Nguyen , Uyen Vo , Tan M. Nguyen , Thieu N. Vo , Trung-Hieu Le , Cuong Pham

In the domain of anomaly detection, methods often excel in either high-level semantic or low-level industrial benchmarks, rarely achieving cross-domain proficiency. Semantic anomalies are novelties that differ in meaning from the training…

Computer Vision and Pattern Recognition · Computer Science 2024-07-18 Luc P. J. Sträter , Mohammadreza Salehi , Efstratios Gavves , Cees G. M. Snoek , Yuki M. Asano
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