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Applications in behavioural research, human-computer interaction, and mental health depend on the ability to recognize emotions. In order to improve the accuracy of emotion recognition using electroencephalography (EEG) data, this work…

Signal Processing · Electrical Eng. & Systems 2024-11-28 Ali Asgar Chandanwala , Srutakirti Bhowmik , Parna Chaudhury , Sheena Christabel Pravin

Recently, Visual Transformer (ViT) has been extensively used in medical image segmentation (MIS) due to applying self-attention mechanism in the spatial domain to modeling global knowledge. However, many studies have focused on improving…

Image and Video Processing · Electrical Eng. & Systems 2024-09-25 Jiacheng Ruan , Jingsheng Gao , Mingye Xie , Suncheng Xiang

We analyze the complex networks associated with brain electrical activity. Multichannel EEG measurements are first processed to obtain 3D voxel activations using the tomographic algorithm LORETA. Then, the correlation of the current…

Biological Physics · Physics 2007-05-23 G. Ruffini , C. Ray , J. Marco , L. Fuentemilla , C. Grau

Reduced system dependability and higher maintenance costs may be the consequence of poor electric power quality, which can disturb normal equipment performance, speed up aging, and even cause outright failures. This study implements and…

Signal Processing · Electrical Eng. & Systems 2022-12-29 Rahul Kumar Dubey

This article describes the development of a novel U-Net-enhanced Wavelet Neural Operator (U-WNO),which combines wavelet decomposition, operator learning, and an encoder-decoder mechanism. This approach harnesses the superiority of the…

Image and Video Processing · Electrical Eng. & Systems 2024-11-27 Pranava Seth , Deepak Mishra , Veena Iyer

We have investigated optically-excited magnetoelastic waves by phase-resolved spin-wave tomography (PSWaT). PSWaT reconstructs dispersion relation of spin waves together with their phase information by using time-resolved magneto-optical…

Materials Science · Physics 2018-07-04 Yusuke Hashimoto , Tom H. Johansen , Eiji Saitoh

Objective: Muscle contractions are commonly detected by performing EMG measurements. The major disadvantage of this technique is that mechanical disturbances to the electrodes are in the same frequency and magnitude range as the desired…

Medical Physics · Physics 2019-08-28 Roman Kusche , Martin Ryschka

Depression is a major cause of global mental illness and significantly influences suicide rates. Timely and accurate diagnosis is essential for effective intervention. Electroencephalography (EEG) provides a non-invasive and accessible…

Signal Processing · Electrical Eng. & Systems 2025-11-11 Soujanya Hazra , Sanjay Ghosh

Imaging using millimeter waves (mmWs) has many advantages including the ability to penetrate obscurants such as clothes and polymers. After having explored shape information retrieved from mmW images for person recognition, in this work we…

Computer Vision and Pattern Recognition · Computer Science 2022-03-30 E. Gonzalez-Sosa , J. Fierrez , R. Vera-Rodriguez , F. Alonso-Fernandez , V. M. Patel

Electroencephalography (EEG) provides a way to understand, and evaluate neurotransmission. In this context, time-locked EEG activity or event-related potentials (ERPs) are often used to capture neural activity related to specific mental…

Signal Processing · Electrical Eng. & Systems 2024-11-21 Mario Molina , Lorenzo J. Tardon , Ana M. Barbancho , Irene De-Torres , Isabel Barbancho

Electroencephalography (EEG) is essential for the diagnosis of epilepsy, but it requires expertise and experience to identify abnormalities. It is thus crucial to develop automated models for the detection of abnormalities in EEGs related…

Signal Processing · Electrical Eng. & Systems 2021-11-23 Taku Shoji , Noboru Yoshida , Toshihisa Tanaka

Medical imaging modalities including magnetic resonance imaging (MRI), computed tomography (CT), and ultrasound are essential for accurate diagnosis and treatment planning in modern healthcare. However, noise contamination during image…

Image and Video Processing · Electrical Eng. & Systems 2025-08-22 Asadullah Bin Rahman , Masud Ibn Afjal , Md. Abdulla Al Mamun

In this paper, the wavelet analysis is used to study the ECG signal. We show that the high-frequency wavelet components of the ECG signal contain information on the functioning of the heart and can be used in diagnosis. We describe the…

Signal Processing · Electrical Eng. & Systems 2018-07-27 N. K. Smolentsev , P. N. Podkur

This study investigates EEG as a potential early biomarker by applying deep learning techniques to resting-state EEG recordings from 31 subjects (15 with PD and 16 healthy controls). EEG signals underwent preprocessing to remove tremor…

Neurons and Cognition · Quantitative Biology 2025-03-25 Artem Lensky

Current pain assessment within hospitals often relies on self-reporting or non-specific EKG vital signs. This system leaves critically ill, sedated, and cognitively impaired patients vulnerable to undertreated pain and opioid overuse.…

Machine Learning · Computer Science 2025-10-08 Aavid Mathrawala , Dhruv Kurup , Josie Lau

Affect (emotion) recognition has gained significant attention from researchers in the past decade. Emotion-aware computer systems and devices have many applications ranging from interactive robots, intelligent online tutor to emotion based…

Human-Computer Interaction · Computer Science 2016-07-12 Amol Patwardhan , Gerald Knapp

Emotion Recognition from EEG signals has long been researched as it can assist numerous medical and rehabilitative applications. However, their complex and noisy structure has proven to be a serious barrier for traditional modeling methods.…

Signal Processing · Electrical Eng. & Systems 2021-12-15 Kleanthis Avramidis , Athanasia Zlatintsi , Christos Garoufis , Petros Maragos

In order to reduce the muscle artifacts in multi-channel pervasive Electroencephalogram (EEG) signals, we here propose and compare two hybrid algorithms by combining the concept of wavelet packet transform (WPT), empirical mode…

Medical Physics · Physics 2014-10-22 Valentina Bono , Wasifa Jamal , Saptarshi Das , Koushik Maharatna

Continuous estimation of high-dimensional finger kinematics from forearm surface electromyography (EMG) could enable natural control for hand prostheses, AR/XR interfaces, and teleoperation. However, the complexity of human hand gestures…

Machine Learning · Computer Science 2026-04-27 Martin Colot , Cédric Simar , Guy Cheron , Ana Maria Cebolla Alvarez , Gianluca Bontempi

Wavelet analysis and compression tools are reviewed and different applications to study MHD and plasma turbulence are presented. We introduce the continuous and the orthogonal wavelet transform and detail several statistical diagnostics…

Plasma Physics · Physics 2015-10-21 Marie Farge , Kai Schneider
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