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Electroencephalography (EEG) is a non-invasive method for measuring brain activity with high temporal resolution; however, EEG signals often exhibit low signal-to-noise ratios because of contamination from physiological and environmental…

Machine Learning · Computer Science 2025-09-03 Yuhong Zhang , Xusheng Zhu , Yuchen Xu , ChiaEn Lu , Hsinyu Shih , Gert Cauwenberghs , Tzyy-Ping Jung

Compared with traditional seismic noise attenuation algorithms that depend on signal models and their corresponding prior assumptions, removing noise with a deep neural network is trained based on a large training set, where the inputs are…

Geophysics · Physics 2019-07-23 Siwei Yu , Jianwei Ma , Wenlong Wang

Using the information theory, this study provides insights into how the construction of latent space of autoencoder (AE) using deep neural network (DNN) training finds a smooth low-dimensional manifold in the stiff dynamical system. Our…

We study the application of deep learning techniques to the analysis and classification of ions accelerated at collisionless shocks in hybrid (kinetic ions--fluid electrons) simulations. Ions were classified as thermal, suprathermal, or…

High Energy Astrophysical Phenomena · Physics 2025-11-24 Paxson Swierc , Damiano Caprioli , Luca Orusa , Miha Cernetic

In MRI, motion artefacts are among the most common types of artefacts. They can degrade images and render them unusable for accurate diagnosis. Traditional methods, such as prospective or retrospective motion correction, have been proposed…

Image and Video Processing · Electrical Eng. & Systems 2020-12-01 Soumick Chatterjee , Alessandro Sciarra , Max Dünnwald , Steffen Oeltze-Jafra , Andreas Nürnberger , Oliver Speck

Independent Component Analysis (ICA) is commonly-used in electroencephalogram (EEG) signal processing to remove non-cerebral artifacts from cerebral data. Despite the ubiquity of ICA, the effect of measurement uncertainty on the artifact…

Systems and Control · Electrical Eng. & Systems 2024-10-07 Jennie Couchman , Orestis Kaparounakis , Chatura Samarakoon , Phillip Stanley-Marbell

The aim of Active Learning is to select the most informative samples from an unlabelled set of data. This is useful in cases where the amount of data is large and labelling is expensive, such as in machine vision or medical imaging. Two…

Computer Vision and Pattern Recognition · Computer Science 2026-01-13 Julien Combes , Alexandre Derville , Jean-François Coeurjolly

To accommodate rapid changes in the real world, the cognition system of humans is capable of continually learning concepts. On the contrary, conventional deep learning models lack this capability of preserving previously learned knowledge.…

Computer Vision and Pattern Recognition · Computer Science 2021-08-13 Can Peng , Kun Zhao , Sam Maksoud , Tianren Wang , Brian C. Lovell

Interpretation of electroencephalogram (EEG) signals can be complicated by obfuscating artifacts. Artifact detection plays an important role in the observation and analysis of EEG signals. Spatial information contained in the placement of…

Signal Processing · Electrical Eng. & Systems 2018-01-09 Vinit Shah , Meysam Golmohammadi , Saeedeh Ziyabari , Eva Von Weltin , Iyad Obeid , Joseph Picone

De-noising plays a crucial role in the post-processing of spectra. Machine learning-based methods show good performance in extracting intrinsic information from noisy data, but often require a high-quality training set that is typically…

Materials Science · Physics 2023-05-16 Dongchen Huang , Junde Liu , Tian Qian , Yi-feng Yang

Artifact removal is an integral component of cinematic scientific visualization, and is especially challenging with big datasets in which artifacts are difficult to define. In this paper, we describe a method for creating cloud artifact…

Computer Vision and Pattern Recognition · Computer Science 2024-11-01 Kalina Borkiewicz , Viraj Shah , J. P. Naiman , Chuanyue Shen , Stuart Levy , Jeff Carpenter

The practical damage of silicon bipolar devices subjected to mixed ionization and displacement irradiations is usually evaluated by the sum of separated ionization and displacement damages. However, recent experiments show clear difference…

Applied Physics · Physics 2022-02-01 Yu Song , Su-Huai Wei

An attention guided scheme for metal artifact correction in MRI using deep neural network is proposed in this paper. The inputs of the networks are two distorted images obtained with dual-polarity readout gradients. With MR image generation…

Image and Video Processing · Electrical Eng. & Systems 2019-10-22 Jee Won Kim , Kinam Kwon , Byungjai Kim , HyunWook Park

Motion artifacts in Magnetic Resonance Imaging (MRI) are one of the frequently occurring artifacts due to patient movements during scanning. Motion is estimated to be present in approximately 30% of clinical MRI scans; however, motion has…

Image and Video Processing · Electrical Eng. & Systems 2024-05-29 Zhifeng Chen , Kamlesh Pawar , Kh Tohidul Islam , Himashi Peiris , Gary Egan , Zhaolin Chen

Noise reduction techniques based on deep learning have demonstrated impressive performance in enhancing the overall quality of recorded speech. While these approaches are highly performant, their application in audio engineering can be…

Sound · Computer Science 2023-10-18 Christian J. Steinmetz , Thomas Walther , Joshua D. Reiss

Machine Unlearning aims to remove the influence of specific data or concepts from trained models while preserving overall performance, a capability increasingly required by data protection regulations and responsible AI practices. Despite…

Computer Vision and Pattern Recognition · Computer Science 2026-03-26 Natnael Mola , Leonardo S. B. Pereira , Carolina R. Kelsch , Luis H. Arribas , Juan C. S. M. Avedillo

Diagnosis based on medical images, such as X-ray images, often involves manual annotation of anatomical keypoints. However, this process involves significant human efforts and can thus be a bottleneck in the diagnostic process. To fully…

Computer Vision and Pattern Recognition · Computer Science 2024-05-07 Jinhee Kim , Taesung Kim , Taewoo Kim , Jaegul Choo , Dong-Wook Kim , Byungduk Ahn , In-Seok Song , Yoon-Ji Kim

Electroencephalogram (EEG) signals are often corrupted with unintended artifacts which need to be removed for extracting meaningful clinical information from them. Typically a priori knowledge of the nature of the artifacts is needed for…

Medical Physics · Physics 2018-03-02 Valentina Bono , Saptarshi Das , Wasifa Jamal , Koushik Maharatna

We introduce an enriched immersed finite element method for addressing interface problems characterized by general non-homogeneous jump conditions. Unlike many existing unfitted mesh methods, our approach incorporates a homogenization…

Numerical Analysis · Mathematics 2025-05-07 Ruchi Guo , Xu Zhang

High-throughput experimentation enables efficient search space exploration for the discovery and optimization of new materials. However, large search spaces of, e.g., compositionally complex materials, require decreasing characterization…

Materials Science · Physics 2023-07-03 Felix Thelen , Lars Banko , Rico Zehl , Sabrina Baha , Alfred Ludwig