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With the hyperspectral imaging technology, hyperspectral data provides abundant spectral information and plays a more important role in geological survey, vegetation analysis and military reconnaissance. Different from normal change…

Image and Video Processing · Electrical Eng. & Systems 2020-10-28 Meiqi Hu , Chen Wu , Liangpei Zhang , Bo Du

We present a novel method for accurately auditing the differential privacy (DP) guarantees of DP mechanisms. In particular, our solution is applicable to auditing DP guarantees of machine learning (ML) models. Previous auditing methods…

Machine Learning · Computer Science 2026-01-14 Antti Koskela , Jafar Mohammadi

Modern manufacturing is now deeply integrating new technologies such as 5G, Internet-of-things (IoT), and cloud/edge computing to shape manufacturing to a new level -- Smart Factory. Autonomic anomaly detection (e.g., malfunctioning…

Networking and Internet Architecture · Computer Science 2021-10-05 Huanzhuo Wu , Yunbin Shen , Xun Xiao , Artur Hecker , Frank H. P. Fitzek

Many recent loss functions in deep metric learning are expressed with logarithmic and exponential forms, and they involve margin and scale as essential hyper-parameters. Since each data class has an intrinsic characteristic, several…

Audio and Speech Processing · Electrical Eng. & Systems 2023-05-24 Myunghun Jung , Hoirin Kim

Photonic Quantum Computers provides several benefits over the discrete qubit-based paradigm of quantum computing. By using the power of continuous-variable computing we build an anomaly detection model to use on searches for New Physics.…

High Energy Physics - Phenomenology · Physics 2021-12-01 Andrew Blance , Michael Spannowsky

Reliably modeling normality and differentiating abnormal appearances from normal cases is a very appealing approach for detecting pathologies in medical images. A plethora of such unsupervised anomaly detection approaches has been made in…

Computer Vision and Pattern Recognition · Computer Science 2019-04-19 Christoph Baur , Benedikt Wiestler , Shadi Albarqouni , Nassir Navab

Current state-of-the-art anomaly detection (AD) methods exploit the powerful representations yielded by large-scale ImageNet training. However, catastrophic forgetting prevents the successful fine-tuning of pre-trained representations on…

Computer Vision and Pattern Recognition · Computer Science 2022-06-14 Oliver Rippel , Arnav Chavan , Chucai Lei , Dorit Merhof

Superpixel segmentation algorithms are to partition an image into perceptually coherence atomic regions by assigning every pixel a superpixel label. Those algorithms have been wildly used as a preprocessing step in computer vision works, as…

Computer Vision and Pattern Recognition · Computer Science 2017-02-22 Zhihua Ban , Jianguo Liu , Li Cao

In this paper, we introduce an approach for detecting modifications in assembled printed circuit boards based on photographs taken without tight control over perspective and illumination conditions. One instance of this problem is the…

Computer Vision and Pattern Recognition · Computer Science 2022-10-10 Diulhio Candido de Oliveira , Bogdan Tomoyuki Nassu , Marco Aurelio Wehrmeister

Ultra-wideband (UWB) time difference of arrival(TDOA)-based localization has emerged as a low-cost and scalable indoor positioning solution. However, in cluttered environments, the performance of UWB TDOA-based localization deteriorates due…

Robotics · Computer Science 2023-08-01 Wenda Zhao , Abhishek Goudar , Mingliang Tang , Xinyuan Qiao , Angela P. Schoellig

This paper investigates a channel estimator based on Gaussian mixture models (GMMs) in the context of linear inverse problems with additive Gaussian noise. We fit a GMM to given channel samples to obtain an analytic probability density…

Signal Processing · Electrical Eng. & Systems 2022-09-14 Michael Koller , Benedikt Fesl , Nurettin Turan , Wolfgang Utschick

Automated visual inspection in medical-device manufacturing faces unique challenges, including extremely low defect rates, limited annotated data, hardware restrictions on production lines, and the need for validated, explainable…

Computer Vision and Pattern Recognition · Computer Science 2025-11-14 Julio Zanon Diaz , Georgios Siogkas , Peter Corcoran

Anomaly detection has the potential to discover new physics in unexplored regions of the data. However, choosing the best anomaly detector for a given data set in a model-agnostic way is an important challenge which has hitherto largely…

High Energy Physics - Phenomenology · Physics 2026-01-27 Marie Hein , Gregor Kasieczka , Michael Krämer , Louis Moureaux , Alexander Mück , David Shih

Contextual optimization enhances decision quality by leveraging side information to improve predictions of uncertain parameters. However, existing approaches face significant challenges when dealing with multimodal or mixtures of…

Optimization and Control · Mathematics 2025-09-19 YoungChul Yoon , Grani A. Hanasusanto , Yijie Wang

Anomalous sound detection (ASD) encounters difficulties with domain shift, where the sounds of machines in target domains differ significantly from those in source domains due to varying operating conditions. Existing methods typically…

Sound · Computer Science 2025-01-06 Jian Guan , Jiantong Tian , Qiaoxi Zhu , Feiyang Xiao , Hejing Zhang , Xubo Liu

Monitoring gas turbine combustors health, in particular, early detecting abnormal behaviors and incipient faults, is critical in ensuring gas turbines operating efficiently and in preventing costly unplanned maintenance. One popular means…

Machine Learning · Computer Science 2019-08-27 Weizhong Yan , Lijie Yu

Deep speaker embedding represents the state-of-the-art technique for speaker recognition. A key problem with this approach is that the resulting deep speaker vectors tend to be irregularly distributed. In previous research, we proposed a…

Sound · Computer Science 2020-11-02 Yunqi Cai , Lantian Li , Dong Wang , Andrew Abel

Anomalous Sound Detection (ASD) aims at identifying anomalous sounds from machines and has gained extensive research interests from both academia and industry. However, the uncertainty of anomaly location and much redundant information such…

Sound · Computer Science 2025-08-22 Guirui Zhong , Qing Wang , Jun Du , Lei Wang , Mingqi Cai , Xin Fang

To develop a machine sound monitoring system, a method for detecting anomalous sound is proposed. In this paper, we explore a method for multiple clients to collaboratively learn an anomalous sound detection model while keeping their raw…

Audio and Speech Processing · Electrical Eng. & Systems 2024-03-26 Kota Dohi , Yohei Kawaguchi

The application of machine learning (ML) algorithms in the intelligent diagnosis of three-phase engines has the potential to significantly enhance diagnostic performance and accuracy. Traditional methods largely rely on signature analysis,…

Machine Learning · Computer Science 2026-04-20 Saraa Ali , Aleksandr Khizhik , Stepan Svirin , Artem Ryzhikov , Denis Derkach