New method shows stable phase synchronised patterns in EEG signals during face perception tasks.
problem Traditional phase synchronisation measures do not capture temporal evolution.
method Proposes a new method to identify synchrostates, small sets of unique phase synchronised patterns.
result Consistent existence of synchrostates in multi-channel EEG recordings across different subject groups.
Boosts models to detect synchronisation between EEG and EMG data.
problem Understanding the functional relationship between EEG and EMG during emotion episodes.
method Applied historical function-on-function regression models with gradient boosting algorithm.
result Improved models for detecting synchronisation in bioelectrical signals.
ConvNets learn to represent EEG features hierarchically, with phase and amplitude sensitivity at different stages.
problem Understanding how ConvNets interpret EEG signals.
method Investigation of spectral feature representation in ConvNets through intermediate stages.
result ConvNets learn to specialize in different EEG frequency bands and detect complex oscillatory patterns.
Convolutional networks predict seizure onset in the preictal phase.
problem Predicting the onset of focal seizures using EEG data.
method Wavelet transformation and convolutional filters to learn features; optimization for prediction horizon.
result A ten-minute prediction horizon for seizure onset.
The major study by Bordo and Helbing (2003) analyses the business cycle in Western economies 1881-2001. They examine four distinct periods in economic history, and conclude that there is a secular trend towards greater synchronisation for much of the 20th century. Their analysis, in common with the standard economic li…
This paper proposes a stochastic model using the concept of Markov chains for the inter-state transitions of the millisecond order quasi-stable phase synchronized patterns or synchrostates, found in multi-channel Electroencephalogram (EEG) signals. First and second order transition probability matrices are estimated fo…
New method synchronizes partial permutations using non-negative factorizations.
problem Synchronizing partial multi-matchings in a cycle-consistent manner.
method Non-negative factorization approach with spectral relaxation and rotation scheme.
result Guaranteed cycle-consistent results compared to existing methods.
Most of the analytical techniques used in the business cycle synchronisation literature rely upon the estimation of an empirical correlation matrix of time series data of macroeconomic aggregates, real GDP usually being the key variable. But the small number of available observations and small number of economies mean …
Objective. The paper investigates the presence of autism using the functional brain connectivity measures derived from electro-encephalogram (EEG) of children during face perception tasks. Approach. Phase synchronized patterns from 128-channel EEG signals are obtained for typical children and children with autism spect…
Study finds PLI functional connectivity feature superior for depression recognition.
problem Effective detection of depression remains a public health challenge.
method Resting state EEG data collected from MDD and normal controls; various feature types and selection methods evaluated.
result PLI functional connectivity feature superior to linear and nonlinear features; highest classification accuracy 82.31%.
New algorithm finds sparse matrices on Stiefel manifold for optimisation.
problem Finding sparse matrices on Stiefel manifold for optimisation.
method Modified Orthogonal Iteration algorithm for sparse global optimality.
result Proposed method finds globally optimal sparse Stiefel matrices.
DPI quantifies phase differences in 1D and multidimensional signals using Riesz transform.
problem Quantifying phase differences in signals of varying dimensions.
method Riesz transform framework for harmonic analysis.
result DPI detects hypersynchronization and subtle changes in images and artworks.
DFMM automates market making with adaptive pricing and risk management.
problem Challenges in decentralised automated market making (AMMs).
method Data aggregator, order routing, rebalancing, arbitrageurs, protective buffers, algorithmic accounting.
result DFMM optimises inventory risk and ensures market stability.
Survey of EEG market and machine learning applications.
problem Improving neurology through data-driven research.
method Comprehensive survey of EEG applications and market.
result Machine learning enhances EEG applications and market growth.
Speech synthesis from EEG features using RNN.
problem Speech synthesis from EEG data.
method Recurrent Neural Network (RNN) regression model to predict acoustic features from EEG features.
result Feasibility of synthesizing speech directly from EEG features demonstrated.
A novel approach selects EEGs for better brain disease diagnosis.
problem Invalid/noisy EEGs degrade diagnosis performance.
method mwcEEGs: maximum weight clique-based approach.
result Improves classification performance by selecting intra-clique and inter-clique EEGs.
Paper predicts EEG features from acoustic features using RNN and GAN.
problem Predicting EEG features from acoustic features.
method Recurrent Neural Network (RNN) and Generative Adversarial Network (GAN).
result Lower RMSE and normalized RMSE values compared to generating acoustic features from EEG features.
A wearable ear-EEG sensor monitors sleep patterns without patient involvement.
problem Monitoring sleep patterns without patient inconvenience or medical specialist involvement.
method Unobtrusive in-ear sensor for recording ear-EEG, using SEF and MSFE for classification.
result Achieved accuracies ranging from 78.5% to 95.2% for ear-EEG labels predicted from ear-EEG, and 76.8% to 91.8% for scalp-EEG labels predicted from ear-EEG.
Mobile app for neonatal EEG interpretation helps non-experts diagnose brain health.
problem Limited EEG interpretation skills among neonatal healthcare professionals.
method Low-cost, low-power EEG acquisition system with AI-assisted sonification.
result Improves diagnostic capabilities of non-expert clinicians.
Canonical correlation analysis (CCA) has been one of the most popular methods for frequency recognition in steady-state visual evoked potential (SSVEP)-based brain-computer interfaces (BCIs). Despite its efficiency, a potential problem is that using pre-constructed sine-cosine waves as the required reference signals in…
Adversarial deep learning improves EEG-based person identification.
problem Exploiting temporally correlated structures and session variability in EEG data.
method Adversarial inference approach to learn session-invariant representations.
result Improvements in person identification robustness from longitudinal EEG data.
Scoping review finds EEG key in MCI research, identifying ERP/EEG, QEEG, and machine learning.
problem Identifying MCI early and accurately.
method Scoping review with co-occurrence analysis and PAGER framework.
result Main research themes identified: ERP/EEG, QEEG, and EEG-based machine learning.
Deep invertible networks decode EEG signals better than chance.
problem Decoding brain signals from EEG data.
method Deep invertible networks for generating and classifying brain signals.
result Deep invertible networks generate realistic EEG signals and classify novel signals above chance.
The alignment of a set of objects by means of transformations plays an important role in computer vision. Whilst the case for only two objects can be solved globally, when multiple objects are considered usually iterative methods are used. In practice the iterative methods perform well if the relative transformations b…
EEG signals enhance speaker verification system robustness.
problem Improving speaker verification in noisy environments.
method Used end-to-end deep learning model with EEG and speech features.
result EEG signals improve speaker verification robustness, especially in noisy conditions.
Study compares EEG and fMRI systems, finding tradeoffs in artifact removal and classification accuracy.
problem Dealing with artifacts introduced by simultaneous EEG and fMRI recordings.
method Comparison of three MR compatible EEG recording systems, assessing their performance in single-trial EEG classification.
result Tradeoffs across systems, including setup ease and artifact removal methods.
Machine learning improves EEG pathology classification.
problem Automating clinical EEG analysis using machine learning.
method Developed a comprehensive feature-based framework and compared it to deep neural networks.
result Feature-based framework achieves accuracies similar to deep neural networks.
Generative model for EEG signals using GANs.
problem Generating realistic EEG signals for research and applications.
method Modified Wasserstein GANs for time series generation, including up- and down-sampling.
result Generated naturalistic EEG signals with metrics like Inception score and Frechet inception distance.
Improved speech recognition using EEG and video.
problem Enhancing continuous speech recognition systems.
method Implemented a CTC-based ASR model using EEG features.
result EEG features improve continuous visual speech recognition.
Goal: This paper deals with the problems that some EEG signals have no good sparse representation and single channel processing is not computationally efficient in compressed sensing of multi-channel EEG signals. Methods: An optimization model with L0 norm and Schatten-0 norm is proposed to enforce cosparsity and low r…
Generative model creates EEG data for RSVP experiments.
problem Limited EEG data for training deep learning models.
method Wasserstein Generative Adversarial Network (WGAN-GP) with gradient penalty.
result Improved event classification performance with class-conditioned WGAN-GP.
Enhances spoken speech quality using EEG signals.
problem Improves speech clarity in noisy environments.
method Generative adversarial network (GAN), gated recurrent unit (GRU), temporal convolutional network (TCN) regression models.
result Significant improvement in speech enhancement quality compared to traditional methods.
Paper proposes semi-supervised learning for EEG analysis.
problem Reducing workload and delays in analyzing large unlabeled EEG datasets.
method Semi-supervised deep learning algorithm using minimal labeled data.
result Predictions can be made with as little as 5 labeled examples.
Framework evaluates deep learning EEG architectures on 100 datasets.
problem Evaluating different deep learning architectures for EEG signal decoding.
method Large-scale evaluation framework with 100 EEG datasets and multiple decoders.
result Comparison of three CNN architectures on different EEG tasks.
Mixed DNN approach improves EEG-based speech imagery recognition.
problem Automatic identification of imagined speech from EEG.
method Hierarchical deep neural network strategy combining CNN, RNN, and autoencoders.
result 23.45% improvement in accuracy over baseline method.
Jointly analyzes EEG and fMRI to understand schizophrenia.
problem Understanding neurological changes in schizophrenia using neuroimaging.
method Used a coupled matrix and tensor factorization (CMTF) model to analyze fMRI and EEG signals.
result Captures meaningful temporal and spatial signatures of patterns that differ between patients and controls.
Continuous speech recognition from brain activity without vocalization.
problem Recognizing silent speech from EEG signals.
method Implemented a CTC ASR model using EEG signals.
result Demonstrated feasibility of EEG for continuous silent speech recognition.
DSF improves EEG model robustness to missing channels and noise.
problem Robust learning from corrupted EEG data with missing channels.
method Dynamic Spatial Filtering (DSF) as a multi-head attention module.
result DSF achieves up to 29.4% accuracy improvement over baseline models in noisy conditions.
ConvNets improve EEG pathology detection accuracy.
problem Improving automated EEG diagnosis accuracy.
method Two ConvNet architectures, shallow and deep, trained on EEG data.
result ConvNets achieved ~6% better accuracy than previous methods.
End-to-end neural network extracts graph structure from EEG signals for improved emotional video classification.
problem Challenges in achieving accurate EEG classification for emotional video analysis.
method Proposes an end-to-end neural network model that learns an appropriate multi-layer graph structure from raw EEG signals.
result Improves performance in emotional video classification compared to manually defined connectivity structures.
Semi-supervised GAN for seizure prediction using EEG and unlabeled data.
problem Improving seizure prediction accuracy with limited labeled data.
method Generative Adversarial Network (GAN) trained on unlabeled EEG data with data fusion.
result Seizure prediction accuracy of 77.68% and 75.47% on two datasets.
Paper explores using EEG for better speaker identification, even in noisy environments.
problem Speaker identification performance degrades in background noise.
method Uses EEG signals to enhance speaker identification systems, comparing with acoustic features.
result Speaker identification system using only EEG features outperforms one using only acoustic features in high background noise.
Paper shows continuous speech recognition with EEG features, no speech input.
problem Continuous speech recognition with limited vocabulary and noisy/no speech input.
method Connectionist temporal classification (CTC) model, EEG features, new deep learning architecture.
result Continuous speech recognition achieved on limited vocabulary with noisy/no speech input.
A new method detects epileptic events in EEG signals by integrating labeler categories.
problem Human oversight of brief epileptic events in EEG signals leads to inaccurate diagnoses.
method Integrates EEG signal features with one-hot encoded labeler categories for improved detection.
result The method outperforms consensus-trained detectors and maintains confidence bounds.
Hidden Markov models reveal brain state dynamics from EEG data.
problem Analyzing brain network dynamics from EEG data.
method Hidden Markov model vs. classical microstate analysis.
result Both approaches identify similar state topographies but differ in state lifetimes and temporal properties.
Methodology classifies EEG records using ε-complexity coefficients.
problem Binary classification of multi-channel EEG records for different mental states.
method Extends ε-complexity theory to vector functions, uses coefficients as features. result Accurate classification in four-dimensional space of ε-complexity coefficients. Improved EEG event classification using differential energy.
problem Automatic classification of EEG signals from time frequency representations.
method Comparison of feature extraction techniques, including differential energy and derivatives.
result 24% absolute reduction in error rate, improved discrimination between signal events and noise.
Novel method detects spike-and-wave patterns in EEG signals.
problem Manual classification of spike-and-wave discharges in EEG signals is time-consuming and error-prone.
method The method divides EEG signals into time segments, applies Morlet 1-D decomposition, extracts scale, variance, and median from wavelet coefficients, and uses a k-NN classifier.
result The proposed method achieved 100% accuracy in detecting spike-and-wave patterns.