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Anomaly-based cyber threat detection using deep learning is on a constant growth in popularity for novel cyber-attack detection and forensics. A robust, efficient, and real-time threat detector in a large-scale operational enterprise…

Cryptography and Security · Computer Science 2024-10-30 Krishna Chandra Roy , Qian Chen

Industrial Internet of Things (IIoT) networks demand reliable anomaly detection under harsh wireless conditions, yet most detectors fail on four fronts: hostile fading, stealthy non-Gaussian faults, discarded spatial structure, or…

Signal Processing · Electrical Eng. & Systems 2026-05-06 Surya Jayakumar , Indrakshi Dey

Background: Coronary artery disease (CAD) remains one of the leading causes of mortality worldwide. Precise segmentation of coronary arteries from invasive coronary angiography (ICA) is critical for effective clinical decision-making.…

Image and Video Processing · Electrical Eng. & Systems 2025-06-16 Nan Mu , Ruiqi Song , Xiaoning Li , Zhihui Xu , Jingfeng Jiang , Chen Zhao

Anomalies in radio-frequency (RF) stations can result in unplanned downtime and performance degradation in linear accelerators such as SLAC's Linac Coherent Light Source (LCLS). Detecting these anomalies is challenging due to the complexity…

The rapid development of generative models has imposed an urgent demand for detection schemes with strong generalization capabilities. However, existing detection methods generally suffer from overfitting to specific source models, leading…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Xiangyu Hu , Yicheng Hong , Hongchuang Zheng , Wenjun Zeng , Bingyao Liu

In modern highly interconnected power grids, automatic generation control (AGC) is crucial in maintaining the stability of the power grid. The dependence of the AGC system on the information and communications technology (ICT) system makes…

Machine Learning · Computer Science 2022-09-20 Tohid Behdadnia , Geert Deconinck

Critical infrastructures like water treatment facilities and power plants depend on industrial control systems (ICS) for monitoring and control, making them vulnerable to cyber attacks and system malfunctions. Traditional ICS anomaly…

Machine Learning · Computer Science 2023-05-03 Emmanuel Aboah Boateng , Jerry Bruce

Concerning machine learning, segmentation models can identify state changes within time series, facilitating the detection of transitions between normal and anomalous conditions. Specific techniques such as Change Point Detection (CPD),…

Machine Learning · Computer Science 2025-10-13 Emilio Mastriani , Alessandro Costa , Federico Incardona , Kevin Munari , Sebastiano Spinello

Purpose Medical imaging diagnosis faces challenges, including low-resolution images due to machine artifacts and patient movement. This paper presents the Frequency-Guided U-Net (GFNet), a novel approach for medical image segmentation that…

Image and Video Processing · Electrical Eng. & Systems 2024-05-03 Haytham Al Ewaidat , Youness El Brag , Ahmad Wajeeh Yousef E'layan , Ali Almakhadmeh

Channel State Information (CSI) provides a detailed description of the wireless channel and has been widely adopted for Wi-Fi sensing, particularly for high-precision indoor positioning. However, complete CSI is rarely available in…

Information Theory · Computer Science 2026-02-16 Ran Tao , Jiajia Guo , Yiming Cui , Xiangyi Li , Chao-Kai Wen , Shi Jin

Industrial Control Systems (ICS) integrate computing, physical processes, and communication to operate critical infrastructures such as power grids, water treatment plants, and oil and gas facilities. As ICS become increasingly targeted by…

Cryptography and Security · Computer Science 2026-04-28 Eungyu Woo , Yooshin Kim , Wonje Heo , Donghoon Shin

The proliferation of sophisticated generative models has significantly advanced the realism of synthetic facial content, known as deepfakes, raising serious concerns about digital trust. Although modern deep learning-based detectors perform…

Computer Vision and Pattern Recognition · Computer Science 2026-04-15 Salar Adel Sabri , Ramadhan J. Mstafa

We demonstrate that phase-difference between terahertz signals on the source and drain of a field effect transistor (a TeraFET) induces a plasmon-assisted dc current, which is dramatically enhanced in vicinity of plasmonic resonances. We…

Mesoscale and Nanoscale Physics · Physics 2019-02-20 I. V. Gorbenko , V. Yu. Kachorovskii , Michael Shur

Camouflaged Object Detection is challenging due to the high degree of similarity between camouflaged objects and their surrounding backgrounds. Current COD methods mainly rely on edge extraction in the spatial domain and local pixel-level…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Song Yu , Yang Hu , Haokang Ding , Zhifang Liao , Yucheng Song

In this paper, we propose an anomaly detection algorithm for machine sounds with a deep complex network trained by self-supervision. Using the fact that phase continuity information is crucial for detecting abnormalities in time-series…

Audio and Speech Processing · Electrical Eng. & Systems 2023-12-22 Miseul Kim , Minh Tri Ho , Hong-Goo Kang

AI-generated images are becoming increasingly realistic and diverse, posing significant challenges for generalizable detection. While Vision Foundation Models (VFMs) provide rich semantic representations and frequency-based methods capture…

Computer Vision and Pattern Recognition · Computer Science 2026-05-01 Shuchang Zhou , Shangkun Wu , Jiwei Wei , Ke Liu , Ran Ran , Caiyan Qin , Yang Yang

Several techniques for multivariate time series anomaly detection have been proposed recently, but a systematic comparison on a common set of datasets and metrics is lacking. This paper presents a systematic and comprehensive evaluation of…

Machine Learning · Computer Science 2021-09-24 Astha Garg , Wenyu Zhang , Jules Samaran , Savitha Ramasamy , Chuan-Sheng Foo

Time series anomaly detection is critical for maintaining the reliability of mission-critical systems. While Transformer-based models like PatchTST have shown remarkable performance, their $\mathcal{O}(L^2)$ computational complexity…

Machine Learning · Computer Science 2026-05-28 Tae-Gyun Lee , Junyoung Park , Kyu Won Han

Industrial Control Systems (ICSs) are becoming more and more important in managing the operation of many important systems in smart manufacturing, such as power stations, water supply systems, and manufacturing sites. While massive digital…

Systems and Control · Electrical Eng. & Systems 2022-05-05 Do Thu Ha , Nguyen Xuan Hoang , Nguyen Viet Hoang , Nguyen Huu Du , Truong Thu Huong , Kim Phuc Tran

Suppressing the inter-carrier interference (ICI) is crucial for differentially coherent detection in underwater acoustic (UWA) orthogonal frequency division multiplexing (OFDM) systems due to the fact that the UWA channel is inherently…

Information Theory · Computer Science 2021-03-09 Yunlong Huang , Yuzhou Li