[HTML][HTML] Covariate shift estimation based adaptive ensemble learning for handling non-stationarity in motor imagery related EEG-based brain-computer interface

H Raza, D Rathee, SM Zhou, H Cecotti, G Prasad - Neurocomputing, 2019 - Elsevier
The non-stationary nature of electroencephalography (EEG) signals makes an EEG-based
brain-computer interface (BCI) a dynamic system, thus improving its performance is a …

Adaptive learning with covariate shift-detection for motor imagery-based brain–computer interface

H Raza, H Cecotti, Y Li, G Prasad - Soft Computing, 2016 - Springer
A common assumption in traditional supervised learning is the similar probability distribution
of data between the training phase and the testing/operating phase. When transitioning from …

EWMA model based shift-detection methods for detecting covariate shifts in non-stationary environments

H Raza, G Prasad, Y Li - Pattern Recognition, 2015 - Elsevier
Dataset shift is a very common issue wherein the input data distribution shifts over time in
non-stationary environments. A broad range of real-world systems face the challenge of …

Online covariate shift detection-based adaptive brain–computer interface to trigger hand exoskeleton feedback for neuro-rehabilitation

A Chowdhury, H Raza, YK Meena… - … on Cognitive and …, 2017 - ieeexplore.ieee.org
A major issue in electroencephalogram (EEG)-based brain-computer interfaces (BCIs) is the
intrinsic nonstationarities in the brain waves, which may degrade the performance of the …

The effects of individual differences, non-stationarity, and the importance of data partitioning decisions for training and testing of EEG cross-participant models

A Kamrud, B Borghetti, C Schubert Kabban - Sensors, 2021 - mdpi.com
EEG-based deep learning models have trended toward models that are designed to perform
classification on any individual (cross-participant models). However, because EEG varies …

Unsupervised online detection and prediction of outliers in streams of sensor data

N Reunanen, T Räty, JJ Jokinen, T Hoyt… - International Journal of …, 2020 - Springer
Outliers are unexpected observations, which deviate from the majority of observations.
Outlier detection and prediction are challenging tasks, because outliers are rare by …

Optimising frequency band selection with forward-addition and backward-elimination algorithms in EEG-based brain-computer interfaces

H Raza, H Cecotti, G Prasad - 2015 international joint …, 2015 - ieeexplore.ieee.org
A major problem in a brain-computer interface (BCI) based on electroencephalogram (EEG)
recordings is the varying statistical properties of the signals during inter-or intra-session …

Adaptive learning with covariate shift-detection for non-stationary environments

H Raza, G Prasad, Y Li - 2014 14th UK Workshop on …, 2014 - ieeexplore.ieee.org
Learning with dataset shift is a major challenge in non-stationary environments wherein the
input data distribution may shift over time. Detecting the dataset shift point in the time-series …

A combination of transductive and inductive learning for handling non-stationarities in motor imagery classification

H Raza, H Cecotti, G Prasad - 2016 International Joint …, 2016 - ieeexplore.ieee.org
A major issue for bringing brain-computer interface (BCI) based on electroencephalogram
(EEG) recordings outside of laboratories is the non-stationarities of EEG signals. Varying …

Learning with covariate shift-detection and adaptation in non-stationary environments: Application to brain-computer interface

H Raza, H Cecotti, Y Li, G Prasad - 2015 International Joint …, 2015 - ieeexplore.ieee.org
Learning in the presence of dataset shifts in non-stationary environments is a major
challenge. Dataset shifts in the form of covariate shifts commonly occur in a broad range of …