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We consider the problem of anomaly detection in images, and present a new detection technique. Given a sample of images, all known to belong to a "normal" class (e.g., dogs), we show how to train a deep neural model that can detect…

Machine Learning · Computer Science 2018-11-12 Izhak Golan , Ran El-Yaniv

Human drivers can recognise fast abnormal driving situations to avoid accidents. Similar to humans, automated vehicles are supposed to perform anomaly detection. In this work, we propose the spatio-temporal graph auto-encoder for learning…

Robotics · Computer Science 2021-10-29 Julian Wiederer , Arij Bouazizi , Marco Troina , Ulrich Kressel , Vasileios Belagiannis

Automated surface inspection is an important task in many manufacturing industries and often requires machine learning driven solutions. Supervised approaches, however, can be challenging, since it is often difficult to obtain large amounts…

Computer Vision and Pattern Recognition · Computer Science 2018-11-19 Matthias Haselmann , Dieter P. Gruber , Paul Tabatabai

Obtaining object response maps is one important step to achieve weakly-supervised semantic segmentation using image-level labels. However, existing methods rely on the classification task, which could result in a response map only attending…

Computer Vision and Pattern Recognition · Computer Science 2020-08-05 Yu-Ting Chang , Qiaosong Wang , Wei-Chih Hung , Robinson Piramuthu , Yi-Hsuan Tsai , Ming-Hsuan Yang

In recent years, distracted driving has garnered considerable attention as it continues to pose a significant threat to public safety on the roads. This has increased the need for innovative solutions that can identify and eliminate…

Computer Vision and Pattern Recognition · Computer Science 2023-04-20 Kelvin Kwakye , Younho Seong , Armstrong Aboah , Sun Yi

Medical images are often used to detect and characterize pathology and disease; however, automatically identifying and segmenting pathology in medical images is challenging because the appearance of pathology across diseases varies widely.…

Image and Video Processing · Electrical Eng. & Systems 2020-02-19 Jacob C. Reinhold , Yufan He , Shizhong Han , Yunqiang Chen , Dashan Gao , Junghoon Lee , Jerry L. Prince , Aaron Carass

There has been a remarkable progress in the accuracy of semantic segmentation due to the capabilities of deep learning. Unfortunately, these methods are not able to generalize much further than the distribution of their training data and…

Computer Vision and Pattern Recognition · Computer Science 2019-09-04 David Haldimann , Hermann Blum , Roland Siegwart , Cesar Cadena

Although unsupervised generative modeling of an image dataset using a Variational AutoEncoder (VAE) has been used to detect anomalous images, or anomalous regions in images, recent works have shown that this method often identifies images…

Computer Vision and Pattern Recognition · Computer Science 2020-08-13 David Dehaene , Pierre Eline

Semantic segmentation methods can not directly identify abnormal objects in images. Anomaly Segmentation algorithm from this realistic setting can distinguish between in-distribution objects and Out-Of-Distribution (OOD) objects and output…

Computer Vision and Pattern Recognition · Computer Science 2022-03-16 Yiqing Hao , Yi Jin , Gaoyun An

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

With the growing deployment of autonomous driving agents, the detection and segmentation of road obstacles have become critical to ensure safe autonomous navigation. However, existing road-obstacle segmentation methods are applied on…

Computer Vision and Pattern Recognition · Computer Science 2025-09-17 Shyam Nandan Rai , Shyamgopal Karthik , Mariana-Iuliana Georgescu , Barbara Caputo , Carlo Masone , Zeynep Akata

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

Detecting anomaly edges for dynamic graphs aims to identify edges significantly deviating from the normal pattern and can be applied in various domains, such as cybersecurity, financial transactions and AIOps. With the evolving of time, the…

Machine Learning · Computer Science 2024-08-29 Shuo Liu , Di Yao , Lanting Fang , Zhetao Li , Wenbin Li , Kaiyu Feng , XiaoWen Ji , Jingping Bi

In autonomous driving, the most challenging scenarios can only be detected within their temporal context. Most video anomaly detection approaches focus either on surveillance or traffic accidents, which are only a subfield of autonomous…

Computer Vision and Pattern Recognition · Computer Science 2025-04-29 Daniel Bogdoll , Jan Imhof , Tim Joseph , Svetlana Pavlitska , J. Marius Zöllner

In fine-grained road scene understanding, semantic segmentation plays a crucial role in enabling vehicles to perceive and comprehend their surroundings. By assigning a specific class label to each pixel in an image, it allows for precise…

Computer Vision and Pattern Recognition · Computer Science 2026-01-27 Yuting Hong , Yongkang Wu , Hui Xiao , Huazheng Hao , Xiaojie Qiu , Baochen Yao , Chengbin Peng

Graph-level anomaly detection has become a critical topic in diverse areas, such as financial fraud detection and detecting anomalous activities in social networks. While most research has focused on anomaly detection for visual data such…

Machine Learning · Computer Science 2022-08-05 Chen Qiu , Marius Kloft , Stephan Mandt , Maja Rudolph

Corner cases are the main bottlenecks when applying Artificial Intelligence (AI) systems to safety-critical applications. An AI system should be intelligent enough to detect such situations so that system developers can prepare for…

Machine Learning · Computer Science 2019-07-02 Vidyasagar Sadhu , Teruhisa Misu , Dario Pompili

Digitalization leads to data transparency for production systems that we can benefit from with data-driven analysis methods like neural networks. For example, automated anomaly detection enables saving resources and optimizing the…

Machine Learning · Computer Science 2021-06-23 Tom Hammerbacher , Markus Lange-Hegermann , Gorden Platz

State-of-the-art techniques in weakly-supervised semantic segmentation (WSSS) using image-level labels exhibit severe performance degradation on driving scene datasets such as Cityscapes. To address this challenge, we develop a new WSSS…

Computer Vision and Pattern Recognition · Computer Science 2024-01-19 Dongseob Kim , Seungho Lee , Junsuk Choe , Hyunjung Shim

Video anomaly detection is a challenging task not only because it involves solving many sub-tasks such as motion representation, object localization and action recognition, but also because it is commonly considered as an unsupervised…

Computer Vision and Pattern Recognition · Computer Science 2020-12-04 Yuqi Ouyang , Victor Sanchez