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Recent advances in visual industrial anomaly detection have demonstrated exceptional performance in identifying and segmenting anomalous regions while maintaining fast inference speeds. However, anomaly classification-distinguishing…

Computer Vision and Pattern Recognition · Computer Science 2025-05-06 Sassan Mokhtar , Arian Mousakhan , Silvio Galesso , Jawad Tayyub , Thomas Brox

Anomaly detection has attracted considerable search attention. However, existing anomaly detection databases encounter two major problems. Firstly, they are limited in scale. Secondly, training sets contain only video-level labels…

Computer Vision and Pattern Recognition · Computer Science 2021-06-17 Boyang Wan , Wenhui Jiang , Yuming Fang , Zhiyuan Luo , Guanqun Ding

Anomaly detection in industrial visual inspection is challenging due to the scarcity of defective samples. Most existing methods rely on unsupervised reconstruction using only normal data, often resulting in overfitting and poor detection…

Computer Vision and Pattern Recognition · Computer Science 2025-11-26 Amirhossein Khadivi Noghredeh , Abdollah Safari , Fatemeh Ziaeetabar , Firoozeh Haghighi

Multimedia anomaly datasets play a crucial role in automated surveillance. They have a wide range of applications expanding from outlier objects/ situation detection to the detection of life-threatening events. For more than 1.5 decades,…

Computer Vision and Pattern Recognition · Computer Science 2022-04-05 Pratibha Kumari , Anterpreet Kaur Bedi , Mukesh Saini

Deep neural networks (DNN) which are employed in perception systems for autonomous driving require a huge amount of data to train on, as they must reliably achieve high performance in all kinds of situations. However, these DNN are usually…

Robotics · Computer Science 2023-08-01 Daniel Bogdoll , Svenja Uhlemeyer , Kamil Kowol , J. Marius Zöllner

Industrial anomaly detection is generally addressed as an unsupervised task that aims at locating defects with only normal training samples. Recently, numerous 2D anomaly detection methods have been proposed and have achieved promising…

Computer Vision and Pattern Recognition · Computer Science 2024-01-18 Yuanpeng Tu , Boshen Zhang , Liang Liu , Yuxi Li , Xuhai Chen , Jiangning Zhang , Yabiao Wang , Chengjie Wang , Cai Rong Zhao

We present a novel unsupervised deep learning approach that utilizes the encoder-decoder architecture for detecting anomalies in sequential sensor data collected during industrial manufacturing. Our approach is designed not only to detect…

Anomaly detection (AD) is essential for automating visual inspection in manufacturing. This field of computer vision is rapidly evolving, with increasing attention towards real-world applications. Meanwhile, popular datasets are typically…

Computer Vision and Pattern Recognition · Computer Science 2025-04-01 Aimira Baitieva , Yacine Bouaouni , Alexandre Briot , Dick Ameln , Souhaiel Khalfaoui , Samet Akcay

Industrial 3D anomaly detection performance is fundamentally constrained by the scarcity and long-tailed distribution of abnormal samples. To address this challenge, we propose Synthesis4AD, an end-to-end paradigm that leverages…

Computer Vision and Pattern Recognition · Computer Science 2026-04-07 Yihan Sun , Yuqi Cheng , Junjie Zu , Yuxiang Tan , Guoyang Xie , Yucheng Wang , Yunkang Cao , Weiming Shen

Automatic discovery of category-specific 3D keypoints from a collection of objects of some category is a challenging problem. One reason is that not all objects in a category necessarily have the same semantic parts. The level of difficulty…

Computer Vision and Pattern Recognition · Computer Science 2021-01-07 Clara Fernandez-Labrador , Ajad Chhatkuli , Danda Pani Paudel , Jose J. Guerrero , Cédric Demonceaux , Luc Van Gool

Training a unified model is considered to be more suitable for practical industrial anomaly detection scenarios due to its generalization ability and storage efficiency. However, this multi-class setting, which exclusively uses normal data,…

Computer Vision and Pattern Recognition · Computer Science 2024-03-20 Jianlong Hu , Xu Chen , Zhenye Gan , Jinlong Peng , Shengchuan Zhang , Jiangning Zhang , Yabiao Wang , Chengjie Wang , Liujuan Cao , Rongrong Ji

Latent defect screening is challenged by extremely low failure rates, high-dimensional test data, and absence of labeled anomalies. We propose the first unsupervised anomaly detection framework incorporating a Diffusion Transformer. Raw…

Machine Learning · Computer Science 2026-05-27 Yuxuan Yin , Chen He , Todd Jacobs , Jialei He , Boxun Xu , Robert Jin , Peng Li

Automatic detecting anomalous regions in images of objects or textures without priors of the anomalies is challenging, especially when the anomalies appear in very small areas of the images, making difficult-to-detect visual variations,…

Computer Vision and Pattern Recognition · Computer Science 2022-07-05 Jie Yang , Yong Shi , Zhiquan Qi

Conventional defect detection systems in Automated Fibre Placement (AFP) typically rely on end-to-end supervised learning, necessitating a substantial number of labelled defective samples for effective training. However, the scarcity of…

Computer Vision and Pattern Recognition · Computer Science 2024-03-07 Assef Ghamisi , Todd Charter , Li Ji , Maxime Rivard , Gil Lund , Homayoun Najjaran

Although mainstream unsupervised anomaly detection (AD) algorithms perform well in academic datasets, their performance is limited in practical application due to the ideal experimental setting of clean training data. Training with noisy…

Computer Vision and Pattern Recognition · Computer Science 2024-03-22 Xi Jiang , Ying Chen , Qiang Nie , Yong Liu , Jianlin Liu , Bin-Bin Gao , Jun Liu , Chengjie Wang , Feng Zheng

Anomaly detection without priors of the anomalies is challenging. In the field of unsupervised anomaly detection, traditional auto-encoder (AE) tends to fail based on the assumption that by training only on normal images, the model will not…

Computer Vision and Pattern Recognition · Computer Science 2024-08-15 Yajie Cui , Zhaoxiang Liu , Shiguo Lian

Anomaly detection is nowadays increasingly used in industrial applications and processes. One of the main fields of the appliance is the visual inspection for surface anomaly detection, which aims to spot regions that deviate from…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Niccolò Ferrari , Michele Fraccaroli , Evelina Lamma

3D anomaly detection targets the detection and localization of defects in 3D point clouds trained solely on normal data. While a unified model improves scalability by learning across multiple categories, it often suffers from Inter-Category…

Computer Vision and Pattern Recognition · Computer Science 2026-03-27 SuYeon Kim , Wongyu Lee , MyeongAh Cho

Industrial anomaly detection is critical for manufacturing quality control, yet existing datasets mainly focus on static images or sparse views, which do not fully reflect continuous inspection processes in real industrial scenarios. We…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Xiran Zhao , Jing Jin , Yan Bai , Zhongan Wang , Yifeng Sun , Yihang Lou , Xuanyu Zhu , Tao Feng , Yingna Wu

Unsupervised anomaly detection (UAD) alleviates large labeling efforts by training exclusively on unlabeled in-distribution data and detecting outliers as anomalies. Generally, the assumption prevails that large training datasets allow the…

Computer Vision and Pattern Recognition · Computer Science 2024-10-29 Felix Meissen , Johannes Getzner , Alexander Ziller , Özgün Turgut , Georgios Kaissis , Martin J. Menten , Daniel Rueckert