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We introduce a novel framework that integrates Hodge decomposition with Filtered Average Short-Term (FAST) functional connectivity to analyze dynamic functional connectivity (DFC) in EEG signals. This method leverages graph-based topology…

Signal Processing · Electrical Eng. & Systems 2025-02-10 Om Roy , Yashar Moshfeghi , Jason Smith , Agustin Ibanez , Mario A. Parra , Keith M. Smith

Current expressive avatar systems rely heavily on visual cues, failing when faces are occluded or when emotions remain internal. We present Mind-to-Face, the first framework that decodes non-invasive electroencephalogram (EEG) signals…

Computer Vision and Pattern Recognition · Computer Science 2025-12-05 Haolin Xiong , Tianwen Fu , Pratusha Bhuvana Prasad , Yunxuan Cai , Haiwei Chen , Wenbin Teng , Hanyuan Xiao , Yajie Zhao

Integrated Gradients (IG) as well as its variants are well-known techniques for interpreting the decisions of deep neural networks. While IG-based approaches attain state-of-the-art performance, they often integrate noise into their…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Ruo Yang , Binghui Wang , Mustafa Bilgic

This study proposes a Duffing oscillator based measurement framework for detecting frequency components associated with postsynaptic potential related activity in EEG recordings. The Duffing oscillator is employed as a nonlinear measurement…

Physics and Society · Physics 2026-01-14 Mahmut Akilli , Nazmi Yilmaz

Neural networks are widely adopted to solve complex and challenging tasks. Especially in high-stakes decision-making, understanding their reasoning process is crucial, yet proves challenging for modern deep networks. Feature visualization…

Computer Vision and Pattern Recognition · Computer Science 2026-02-18 Ada Gorgun , Bernt Schiele , Jonas Fischer

Image registration is an ill-posed dense vision task, where multiple solutions achieve similar loss values, motivating probabilistic inference. Variational inference has previously been employed to capture these distributions, however…

Image and Video Processing · Electrical Eng. & Systems 2026-03-19 Ivor J. A. Simpson , Neill D. F. Campbell

Electroencephalogram (EEG) is a common tool used to understand brain activities. The data are typically obtained by placing electrodes at the surface of the scalp and recording the oscillations of currents passing through the electrodes.…

Signal Processing · Electrical Eng. & Systems 2021-02-19 Eddy Kwessi , Lloyd Edwards

Sonification is a data visualization technique which expresses data attributes via psychoacoustic parameters, which are non-speech audio signals used to convey information. This paper investigates the binary estimation of cognitive load…

Human-Computer Interaction · Computer Science 2024-01-17 Gulshan Sharma , Surbhi Madan , Maneesh Bilalpur , Abhinav Dhall , Ramanathan Subramanian

It is desirable for statistical models to detect signals of interest independently of their position. If the data is generated by some smooth process, this additional structure should be taken into account. We introduce a new class of…

Machine Learning · Computer Science 2023-08-11 Florian Heinrichs , Mavin Heim , Corinna Weber

The incorporation of neuroimaging techniques such as electroenchephalography (EEG) and functional near-infrared spectroscopy (fNIRS) has provided new opportunities for the analysis of dynamic brain processes involved in cognitive and motor…

Neurons and Cognition · Quantitative Biology 2026-03-25 Zaineb Ajra , Grégoire Vergotte , Stéphane Perrey , Lilian Evra , Simon Pla , Gérard Dray , Jacky Montmain , Binbin Xu

Cybersickness poses a serious challenge for users of virtual reality (VR) technology. Consequently, there has been significant effort to track its occurrence during VR use with passive measures like brain activity recorded through…

Human-Computer Interaction · Computer Science 2026-03-30 Jacqueline Yau , Katherine J. Mimnaugh , Evan G. Center , Timo Ojala , Steven M. LaValle , Wenzhen Yuan , Nancy Amato , Minje Kim , Kara D. Federmeier

Subgraph matching in logic circuits is foundational for numerous Electronic Design Automation (EDA) applications, including datapath optimization, arithmetic verification, and hardware trojan detection. However, existing techniques rely…

Artificial Intelligence · Computer Science 2025-10-09 Ziyang Zheng , Kezhi Li , Zhengyuan Shi , Qiang Xu

Recent advances in neuroscientific experimental techniques have enabled us to simultaneously record the activity of thousands of neurons across multiple brain regions. This has led to a growing need for computational tools capable of…

Current trend in neurosciences is to use naturalistic stimuli, such as cinema, class-room biology or video gaming, aiming to understand the brain functions during ecologically valid conditions. Naturalistic stimuli recruit complex and…

Signal Processing · Electrical Eng. & Systems 2022-12-02 Hanna Poikonen , Tomasz Zaluska , Xiaying Wang , Michele Magno , Manu Kapur

We propose a maximum entropy (ME) based approach to smooth noise not only in data but also to noise amplified by second order derivative calculation of the data especially for electroencephalography (EEG) studies. The approach includes two…

Quantitative Methods · Quantitative Biology 2007-11-20 Chih-Yuan Tseng , HC Lee

Machine learning offers an intriguing alternative to first-principles analysis for discovering new physics from experimental data. However, to date, purely data-driven methods have only proven successful in uncovering physical laws…

We consider the problem of estimating the difference between two functional undirected graphical models with shared structures. In many applications, data are naturally regarded as high-dimensional random function vectors rather than…

Machine Learning · Statistics 2019-11-19 Boxin Zhao , Y. Samuel Wang , Mladen Kolar

Dimensionality reduction is crucial both for visualization and preprocessing high dimensional data for machine learning. We introduce a novel method based on a hierarchy built on 1-nearest neighbor graphs in the original space which is used…

Computer Vision and Pattern Recognition · Computer Science 2022-05-31 M. Saquib Sarfraz , Marios Koulakis , Constantin Seibold , Rainer Stiefelhagen

Ultrasound-based elasticity imaging is a non-invasive technique for estimating tissue stiffness fields from displacement fields obtained by comparing ultrasound signals before and after compression. While recent deep learning approaches…

Medical Physics · Physics 2026-01-22 Heekyu Kim , Hugon LEe , Minwoo Park , Seunghwa Ryu

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