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相关论文: Towards Accurate Unified Anomaly Segmentation

200 篇论文

Unsupervised anomaly detection (UAD) aims to detect anomalies without labeled data, a necessity in many machine learning applications where anomalous samples are rare or not available. Most state-of-the-art methods fall into two categories:…

机器学习 · 计算机科学 2025-07-30 Nicolas Pinon , Carole Lartizien

Anomaly detection in medical imaging is a challenging task in contexts where abnormalities are not annotated. This problem can be addressed through unsupervised anomaly detection (UAD) methods, which identify features that do not match with…

图像与视频处理 · 电气工程与系统科学 2023-09-07 Geoffroy Oudoumanessah , Carole Lartizien , Michel Dojat , Florence Forbes

Anomaly segmentation aims to identify Out-of-Distribution (OoD) anomalous objects within images. Existing pixel-wise methods typically assign anomaly scores individually and employ a global thresholding strategy to segment anomalies.…

计算机视觉与模式识别 · 计算机科学 2025-07-08 Yuxing Liu , Ji Zhang , Zhou Xuchuan , Jingzhong Xiao , Huimin Yang , Jiaxin Zhong

Despite the rapid advance of unsupervised anomaly detection, existing methods require to train separate models for different objects. In this work, we present UniAD that accomplishes anomaly detection for multiple classes with a unified…

计算机视觉与模式识别 · 计算机科学 2022-10-26 Zhiyuan You , Lei Cui , Yujun Shen , Kai Yang , Xin Lu , Yu Zheng , Xinyi Le

The goal of Unsupervised Anomaly Detection (UAD) is to detect anomalous signals under the condition that only non-anomalous (normal) data is available beforehand. In UAD under Domain-Shift Conditions (UAD-S), data is further exposed to…

声音 · 计算机科学 2021-10-19 Andres Fernandez , Mark D. Plumbley

Unsupervised Anomaly Detection (UAD) plays a crucial role in identifying abnormal patterns within data without labeled examples, holding significant practical implications across various domains. Although the individual contributions of…

机器学习 · 计算机科学 2024-06-04 Zeyu Fang , Ming Gu , Sheng Zhou , Jiawei Chen , Qiaoyu Tan , Haishuai Wang , Jiajun Bu

Unsupervised Anomaly Detection (UAD) with incremental training is crucial in industrial manufacturing, as unpredictable defects make obtaining sufficient labeled data infeasible. However, continual learning methods primarily rely on…

计算机视觉与模式识别 · 计算机科学 2024-01-03 Jiaqi Liu , Kai Wu , Qiang Nie , Ying Chen , Bin-Bin Gao , Yong Liu , Jinbao Wang , Chengjie Wang , Feng Zheng

We tackle unsupervised anomaly detection (UAD), a problem of detecting data that significantly differ from normal data. UAD is typically solved by using density estimation. Recently, deep neural network (DNN)-based density estimators, such…

机器学习 · 统计学 2019-03-14 Masataka Yamaguchi , Yuma Koizumi , Noboru Harada

Supervised deep learning techniques show promise in medical image analysis. However, they require comprehensive annotated data sets, which poses challenges, particularly for rare diseases. Consequently, unsupervised anomaly detection (UAD)…

图像与视频处理 · 电气工程与系统科学 2024-03-22 Finn Behrendt , Debayan Bhattacharya , Lennart Maack , Julia Krüger , Roland Opfer , Robin Mieling , Alexander Schlaefer

Unsupervised anomaly detection (UAD) based on deep generative modelling has been increasingly explored for identifying pathological brain abnormalities without requiring voxel-level annotations. By learning the distribution of healthy…

计算机视觉与模式识别 · 计算机科学 2026-03-10 Youwan Mahé , Elise Bannier , Stéphanie Leplaideur , Elisa Fromont , Francesca Galassi

Unsupervised Anomaly Detection (UAD) methods aim to identify anomalies in test samples comparing them with a normative distribution learned from a dataset known to be anomaly-free. Approaches based on generative models offer…

计算机视觉与模式识别 · 计算机科学 2024-07-10 Sergio Naval Marimont , Vasilis Siomos , Matthew Baugh , Christos Tzelepis , Bernhard Kainz , Giacomo Tarroni

Anomaly detection has garnered extensive applications in real industrial manufacturing due to its remarkable effectiveness and efficiency. However, previous generative-based models have been limited by suboptimal reconstruction quality,…

计算机视觉与模式识别 · 计算机科学 2025-05-20 Hui Zhang , Zheng Wang , Dan Zeng , Zuxuan Wu , Yu-Gang Jiang

High-resolution point clouds~(HRPCD) anomaly detection~(AD) plays a critical role in precision machining and high-end equipment manufacturing. Despite considerable 3D-AD methods that have been proposed recently, they still cannot meet the…

计算机视觉与模式识别 · 计算机科学 2024-12-19 Hongze Zhu , Guoyang Xie , Chengbin Hou , Tao Dai , Can Gao , Jinbao Wang , Linlin Shen

We introduce SeaS, a unified industrial generative model for automatically creating diverse anomalies, authentic normal products, and precise anomaly masks. While extensive research exists, most efforts either focus on specific tasks, i.e.,…

计算机视觉与模式识别 · 计算机科学 2025-07-18 Zhewei Dai , Shilei Zeng , Haotian Liu , Xurui Li , Feng Xue , Yu Zhou

Automatic segmentation of brain abnormalities is challenging, as they vary considerably from one pathology to another. Current methods are supervised and require numerous annotated images for each pathology, a strenuous task. To tackle…

图像与视频处理 · 电气工程与系统科学 2021-01-27 Benjamin Lambert , Maxime Louis , Senan Doyle , Florence Forbes , Michel Dojat , Alan Tucholka

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,…

机器学习 · 计算机科学 2026-01-26 Mustafa Fuad Rifet Ibrahim , Maurice Meijer , Alexander Schlaefer , Peer Stelldinger

Detecting anomaly patterns from images is a crucial artificial intelligence technique in industrial applications. Recent research in this domain has emphasized the necessity of a large volume of training data, overlooking the practical…

计算机视觉与模式识别 · 计算机科学 2025-07-30 Shenxing Wei , Xing Wei , Zhiheng Ma , Songlin Dong , Shaochen Zhang , Yihong Gong

The detection of the abnormal area from urban data is a significant research problem. However, to the best of our knowledge, previous methods designed on spatio-temporal anomalies are road-based or grid-based, which usually causes the data…

社会与信息网络 · 计算机科学 2020-07-16 Huaishao Luo , Chuishi Meng , Bowen Wu , Junbo Zhang , Tianrui Li , Yu Zheng

Unsupervised anomaly detection (UAD) has been widely implemented in industrial and medical applications, which reduces the cost of manual annotation and improves efficiency in disease diagnosis. Recently, deep auto-encoder with its variants…

计算机视觉与模式识别 · 计算机科学 2023-03-31 Mingqing Wang , Jiawei Li , Zhenyang Li , Chengxiao Luo , Bin Chen , Shu-Tao Xia , Zhi Wang

Background: With the ever-increasing amount of medical imaging data, the demand for algorithms to assist clinicians has amplified. Unsupervised anomaly detection (UAD) models promise to aid in the crucial first step of disease detection.…