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相关论文: Foundations for Unfairness in Anomaly Detection --…

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Though anomaly detection (AD) can be viewed as a classification problem (nominal vs. anomalous) it is usually treated in an unsupervised manner since one typically does not have access to, or it is infeasible to utilize, a dataset that…

机器学习 · 计算机科学 2023-01-30 Lukas Ruff , Robert A. Vandermeulen , Billy Joe Franks , Klaus-Robert Müller , Marius Kloft

Anomaly detection (AD), also referred to as outlier detection, is a statistical process aimed at identifying observations within a dataset that significantly deviate from the expected pattern of the majority of the data. Such a process…

The astonishing successes of ML have raised growing concern for the fairness of modern methods when deployed in real world settings. However, studies on fairness have mostly focused on supervised ML, while unsupervised outlier detection…

机器学习 · 计算机科学 2024-08-28 Xueying Ding , Rui Xi , Leman Akoglu

Due to their convenience and high accuracy, face recognition systems are widely employed in governmental and personal security applications to automatically recognise individuals. Despite recent advances, face recognition systems have shown…

计算机视觉与模式识别 · 计算机科学 2024-08-22 Mathias Ibsen , Lázaro J. González-Soler , Christian Rathgeb , Pawel Drozdowski , Marta Gomez-Barrero , Christoph Busch

Anomaly detection (AD) aims at detecting abnormal samples that deviate from the expected normal patterns. Generally, it can be trained merely on normal data, without a requirement for abnormal samples, and thereby plays an important role in…

计算机视觉与模式识别 · 计算机科学 2025-02-20 Yu Cai , Weiwen Zhang , Hao Chen , Kwang-Ting Cheng

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

Recent studies have demonstrated that deep learning models can discriminate based on protected classes like race and gender. In this work, we evaluate bias present in deepfake datasets and detection models across protected subgroups. Using…

计算机视觉与模式识别 · 计算机科学 2021-05-04 Loc Trinh , Yan Liu

The considerable significance of Anomaly Detection (AD) problem has recently drawn the attention of many researchers. Consequently, the number of proposed methods in this research field has been increased steadily. AD strongly correlates…

计算机视觉与模式识别 · 计算机科学 2021-03-03 Bahram Mohammadi , Mahmood Fathy , Mohammad Sabokrou

Anomaly detection (AD) has been widely studied for decades in many real-world applications, including fraud detection in finance, and intrusion detection for cybersecurity, etc. Due to the imbalanced nature between protected and unprotected…

机器学习 · 计算机科学 2024-09-18 Ziwei Wu , Lecheng Zheng , Yuancheng Yu , Ruizhong Qiu , John Birge , Jingrui He

Anomaly detection (AD) is a crucial machine learning task that aims to learn patterns from a set of normal training samples to identify abnormal samples in test data. Most existing AD studies assume that the training and test data are drawn…

计算机视觉与模式识别 · 计算机科学 2023-09-06 Tri Cao , Jiawen Zhu , Guansong Pang

Deep unsupervised representation learning has recently led to new approaches in the field of Unsupervised Anomaly Detection (UAD) in brain MRI. The main principle behind these works is to learn a model of normal anatomy by learning to…

图像与视频处理 · 电气工程与系统科学 2020-04-09 Christoph Baur , Stefan Denner , Benedikt Wiestler , Shadi Albarqouni , Nassir Navab

Unsupervised anomaly detection is a critical task in many high-social-impact applications such as finance, healthcare, social media, and cybersecurity, where demographics involving age, gender, race, disease, etc, are used frequently. In…

机器学习 · 计算机科学 2025-05-19 Feng Xiao , Xiaoying Tang , Jicong Fan

Naively trained AI models can be heavily biased. This can be particularly problematic when the biases involve legally or morally protected attributes such as ethnic background, age or gender. Existing solutions to this problem come at the…

计算机视觉与模式识别 · 计算机科学 2022-10-11 Nicholas Rosa , Tom Drummond , Mehrtash Harandi

In recent years the development of artificial intelligence (AI) systems for automated medical image analysis has gained enormous momentum. At the same time, a large body of work has shown that AI systems can systematically and unfairly…

图像与视频处理 · 电气工程与系统科学 2023-05-10 María Agustina Ricci Lara , Candelaria Mosquera , Enzo Ferrante , Rodrigo Echeveste

Anomaly Detection (AD) in images is a fundamental computer vision problem and refers to identifying images and image substructures that deviate significantly from the norm. Popular AD algorithms commonly try to learn a model of normality…

计算机视觉与模式识别 · 计算机科学 2020-10-26 Oliver Rippel , Patrick Mertens , Dorit Merhof

Anomaly detection (AD) has been extensively studied and applied in a wide range of scenarios in the recent past. However, there are still gaps between achieved and desirable levels of recognition accuracy for making AD for practical…

计算机视觉与模式识别 · 计算机科学 2024-06-10 Peng Xing , Dong Zhang , Jinhui Tang , Zechao li

The presence of bias in deep models leads to unfair outcomes for certain demographic subgroups. Research in bias focuses primarily on facial recognition and attribute prediction with scarce emphasis on face detection. Existing studies…

计算机视觉与模式识别 · 计算机科学 2022-11-08 Surbhi Mittal , Kartik Thakral , Puspita Majumdar , Mayank Vatsa , Richa Singh

Anomaly detection aims to find instances that are considered unusual and is a fundamental problem of data science. Recently, deep anomaly detection methods were shown to achieve superior results particularly in complex data such as images.…

机器学习 · 计算机科学 2021-01-01 Hongjing Zhang , Ian Davidson

Anomaly detection is an important problem that has been well-studied within diverse research areas and application domains. The aim of this survey is two-fold, firstly we present a structured and comprehensive overview of research methods…

机器学习 · 计算机科学 2019-01-24 Raghavendra Chalapathy , Sanjay Chawla

Existing facial analysis systems have been shown to yield biased results against certain demographic subgroups. Due to its impact on society, it has become imperative to ensure that these systems do not discriminate based on gender,…

计算机视觉与模式识别 · 计算机科学 2021-12-14 Richa Singh , Puspita Majumdar , Surbhi Mittal , Mayank Vatsa
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