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Uncertainty estimation is critical for reliable medical image segmentation, particularly in retinal vessel analysis, where accurate predictions are essential for diagnostic applications. Deep Ensembles, where multiple networks are trained…

计算机视觉与模式识别 · 计算机科学 2025-09-16 Jeremiah Fadugba , Petru Manescu , Bolanle Oladejo , Delmiro Fernandez-Reyes , Philipp Berens

Long-Tailed distributions are pervasive in remote sensing due to the inherently imbalanced occurrence of grounded objects. However, a critical challenge remains largely overlooked, i.e., disentangling hard tail data samples from noisy…

计算机视觉与模式识别 · 计算机科学 2026-01-05 Chi Ding , Junxiao Xue , Xinyi Yin , Shi Chen , Yunyun Shi , Yiduo Wang , Fengjian Xue , Xuecheng Wu

Deep ensembles are capable of achieving state-of-the-art results in classification and out-of-distribution (OOD) detection. However, their effectiveness is limited due to the homogeneity of learned patterns within ensembles. To overcome…

计算机视觉与模式识别 · 计算机科学 2024-11-06 Stanislav Dereka , Ivan Karpukhin , Maksim Zhdanov , Sergey Kolesnikov

Anomaly detection (AD) plays an important role in various real-world applications. Recent advancements in AD, however, are often biased towards industrial inspection, struggle to generalize to broader tasks like semantic anomaly detection…

计算机视觉与模式识别 · 计算机科学 2025-09-30 Hangil Park , Yongmin Seo , Tae-Kyun Kim

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

Multivariate Time Series Anomaly Detection (MTSAD) is critical for real-world monitoring scenarios such as industrial control and aerospace systems. Mainstream reconstruction-based anomaly detection methods suffer from two key limitations:…

机器学习 · 计算机科学 2026-04-13 Jun Liu , Ying Chen , Ziqian Lu , Qinyue Tong , Jun Tang

Pathological anomalies exhibit diverse appearances in medical imaging, making it difficult to collect and annotate a representative amount of data required to train deep learning models in a supervised setting. Therefore, in this work, we…

图像与视频处理 · 电气工程与系统科学 2023-07-18 Mariana-Iuliana Georgescu

Anomaly Detection (AD) is a critical task that involves identifying observations that do not conform to a learned model of normality. Prior work in deep AD is predominantly based on a familiarity hypothesis, where familiar features serve as…

机器学习 · 计算机科学 2024-02-27 Sarath Sivaprasad , Mario Fritz

Recently, people tried to use a few anomalies for video anomaly detection (VAD) instead of only normal data during the training process. A side effect of data imbalance occurs when a few abnormal data face a vast number of normal data. The…

计算机视觉与模式识别 · 计算机科学 2021-04-30 Xin Guo , Zhongming Jin , Chong Chen , Helei Nie , Jianqiang Huang , Deng Cai , Xiaofei He , Xiansheng Hua

Anomaly detection (AD) is the machine learning task of identifying highly discrepant abnormal samples by solely relying on the consistency of the normal training samples. Under the constraints of a distribution shift, the assumption that…

机器学习 · 计算机科学 2023-12-25 João B. S. Carvalho , Mengtao Zhang , Robin Geyer , Carlos Cotrini , Joachim M. Buhmann

Anomaly detection (AD) is a fast growing and popular domain among established applications like vision and time series. We observe a rich literature for these applications, but anomaly detection in text is only starting to blossom.…

计算与语言 · 计算机科学 2024-09-19 Jeremie Pantin , Christophe Marsala

Anomaly detection is the process of identifying atypical data samples that significantly deviate from the majority of the dataset. In the realm of clinical screening and diagnosis, detecting abnormalities in medical images holds great…

计算机视觉与模式识别 · 计算机科学 2023-10-11 Xianyao Hu , Congming Jin

Anomaly detection on attributed networks aims at finding nodes whose patterns deviate significantly from the majority of reference nodes, which is pervasive in many applications such as network intrusion detection and social spammer…

机器学习 · 计算机科学 2020-02-13 Haoyi Fan , Fengbin Zhang , Zuoyong Li

Uncertainty estimation is a crucial aspect of deploying dependable deep learning models in safety-critical systems. In this study, we introduce a novel and efficient method for deterministic uncertainty estimation called Discriminant…

机器学习 · 计算机科学 2024-02-21 Jiaxin Zhang , Kamalika Das , Sricharan Kumar

Decision-tree-based ensemble classification methods (DTEMs) are a prevalent tool for supervised anomaly detection. However, due to the continued growth of datasets, DTEMs result in increasing drawbacks such as growing memory footprints,…

机器学习 · 计算机科学 2020-01-10 Shay Vargaftik , Isaac Keslassy , Ariel Orda , Yaniv Ben-Itzhak

Explanation supervision aims to enhance deep learning models by integrating additional signals to guide the generation of model explanations, showcasing notable improvements in both the predictability and explainability of the model.…

计算机视觉与模式识别 · 计算机科学 2024-03-19 Qilong Zhao , Yifei Zhang , Mengdan Zhu , Siyi Gu , Yuyang Gao , Xiaofeng Yang , Liang Zhao

Due to the subjective annotation and the inherent interclass similarity of facial expressions, one of key challenges in Facial Expression Recognition (FER) is the annotation ambiguity. In this paper, we proposes a solution, named DMUE, to…

计算机视觉与模式识别 · 计算机科学 2021-04-02 Jiahui She , Yibo Hu , Hailin Shi , Jun Wang , Qiu Shen , Tao Mei

Due to scarcity of anomaly situations in the early manufacturing stage, an unsupervised anomaly detection (UAD) approach is widely adopted which only uses normal samples for training. This approach is based on the assumption that the…

计算机视觉与模式识别 · 计算机科学 2023-11-13 YeongHyeon Park , Sungho Kang , Myung Jin Kim , Yeonho Lee , Hyeong Seok Kim , Juneho Yi

Atlas-based methods are the standard approaches for automatic targeting of the Anterior Nucleus of the Thalamus (ANT) for Deep Brain Stimulation (DBS), but these are known to lack robustness when anatomic differences between atlases and…

图像与视频处理 · 电气工程与系统科学 2020-11-05 Han Liu , Can Cui , Dario J. Englot , Benoit M. Dawant

Trusting the predictions of deep learning models in safety critical settings such as the medical domain is still not a viable option. Distentangled uncertainty quantification in the field of medical imaging has received little attention. In…

图像与视频处理 · 电气工程与系统科学 2022-11-14 Kumud Lakara , Matias Valdenegro-Toro