Andreas Galka

28 papers Journal 12Unranked 16
YearRankTypeTitle / Venue / Authors
2024 J jnl
The Weighted Least-Squares Approach to State Estimation in Linear State Space Models: The Case of Correlated Noise Terms.
Algorithms
Andreas Galka
2023 J jnl
Comparison of Bootstrap Methods for Estimating Causality in Linear Dynamic Systems: A Review.
Entropy
Fumikazu Miwakeichi, Andreas Galka
2023 J jnl
State Space Modeling of Event Count Time Series.
Entropy
Sidratul Moontaha, Bert Arnrich, Andreas Galka
2021 J jnl
Source imaging of deep-brain activity using the regional spatiotemporal Kalman filter.
Comput. Methods Programs Biomed.
Laith Hamid, Nawar Habboush, Philipp Stern, Natia Japaridze, Ümit Aydin, Carsten H. Wolters, Jens Christian Claussen, Ulrich Heute, Ulrich Stephani, Andreas Galka, Michael Siniatchkin
2020 J jnl
Constrained expectation maximisation algorithm for estimating ARMA models in state space representation.
EURASIP J. Adv. Signal Process.
Andreas Galka, Sidratul Moontaha, Michael Siniatchkin
2019 — conf
SVD Square-root Iterated Extended Kalman Filter for Modeling of Epileptic Seizure Count Time Series with External Inputs.
EMBC
Sidratul Moontaha, Andreas Galka, Michael Siniatchkin, Sascha Scharlach, Sarah von Spiczak, Ulrich Stephani, Theodor May, Thomas Meurer
2018 — conf
Analysis of the effects of medication for the treatment of epilepsy by ensemble Iterative Extended Kalman filtering.
EMBC
Sidratul Moontaha, Andreas Galka, Thomas Meurer, Michael Siniatchkin
2018 — conf
Pipeline for Forward Modeling and Source Imaging of Magnetocardiographic Recordings via Spatiotemporal Kalman Filtering.
EMBC
Nawar Habboush, Laith Hamid, Michael Siniatchkin, Ulrich Stephani, Andreas Galka
2017 J jnl
Comparison of different methods to suppress muscle artifacts in EEG signals.
Signal Image Video Process.
Alina Santillán-Guzmán, Ulrich Heute, Ulrich Stephani, Andreas Galka
2017 — conf
Source reconstruction via the spatiotemporal Kalman filter and LORETA from EEG time series with 32 or fewer electrodes.
EMBC
Laith Hamid, Ali Al Farawn, Isabelle Merlet, Natia Japaridze, Ulrich Heute, Ulrich Stephani, Andreas Galka, Fabrice Wendling, Michael Siniatchkin
2017 — conf
Spatial projection as a preprocessing step for EEG source reconstruction using spatiotemporal Kalman filtering.
EMBC
Laith Hamid, Ali Al Farawn, Isabelle Merlet, Natia Japaridze, Ulrich Heute, Ulrich Stephani, Andreas Galka, Fabrice Wendling, Michael Siniatchkin
2015 — conf
Analysis of epileptic seizure count time series by ensemble state space modelling.
EMBC
Andreas Galka, Rainer Boor, Corinna Doege, Sarah von Spiczak, Ulrich Stephani, Michael Siniatchkin
2015 — conf
The choice of the source space and the Laplacian matrix in LORETA and the spatio-temporal Kalman filter EEG inverse methods.
EMBC
Nawar Habboush, Laith Hamid, Natia Japaridze, Gert Wiegand, Ulrich Heute, Ulrich Stephani, Andreas Galka, Michael Siniatchkin
2015 — conf
The performance of the spatiotemporal Kalman filter and LORETA in seizure onset localization.
EMBC
Laith Hamid, Masoud Sarabi, Natia Japaridze, Gert Wiegand, Ulrich Heute, Ulrich Stephani, Andreas Galka, Michael Siniatchkin
2014 — conf
Validating the effect of muscle artifact suppression in localizing focal epilepsy.
EMBC
Kidist Gebremariam Mideksa, Alina Santillán-Guzmán, Natia Japaridze, Andreas Galka, Ulrich Stephani, Günther Deuschl, Ulrich Heute, M. Muthuraman
2013 J jnl
Blind signal Separation of Mixtures of Chaotic Processes: a Comparison between Independent Component Analysis and State Space Modeling.
Int. J. Bifurc. Chaos
Andreas Galka, Kin Foon Kevin Wong, Ulrich Stephani, Tohru Ozaki, Michael Siniatchkin
2013 — conf
Comparison of causality analysis on simultaneously measured fMRI and NIRS signals during motor tasks.
EMBC
Abdul Rauf Anwar, Makii Muthalib, Stéphane Perrey, Andreas Galka, Oliver Granert, Stephan Wolff, Günther Deuschl, Jan Raethjen, Ulrich Heute, Muthuraman Muthuraman
2013 — conf
Cortico-muscular coherence on artifact corrected EEG-EMG data recorded with a MRI scanner.
EMBC
M. Muthuraman, Andreas Galka, V. N. Hong, Ulrich Heute, Günther Deuschl, Jan Raethjen
2013 — conf
DBS artifact suppression using a time-frequency domain filter.
EMBC
Alina Santillán-Guzmán, Ulrich Heute, Muthuraman Muthuraman, Ulrich Stephani, Andreas Galka
2013 — conf
MEG-EEG fusion by Kalman filtering within a source analysis framework.
EMBC
Laith Hamid, Ümit Aydin, Carsten H. Wolters, Ulrich Stephani, Michael Siniatchkin, Andreas Galka
2012 — conf
Directionality analysis on functional magnetic resonance imaging during motor task using Granger Causality.
EMBC
Abdul Rauf Anwar, Makii Muthalib, Stéphane Perrey, Andreas Galka, Oliver Granert, Stephan Wolff, Günther Deuschl, Jan Raethjen, Ulrich Heute, M. Muthuraman
2012 — conf
Muscle artifact suppression using Independent-Component Analysis and State-Space Modeling.
EMBC
Alina Santillán-Guzmán, Ulrich Heute, Ulrich Stephani, Andreas Galka
2011 — conf
Application of State-Space Modeling to instantaneous independent-component analysis.
BMEI
Alina Santillán-Guzmán, Ulrich Heute, Andreas Galka, Ulrich Stephani
2010 J jnl
Dynamical correlation of non-stationary signals in time domain - A comparative study.
Biomed. Signal Process. Control.
Muthuraman Muthuraman, Andreas Galka, Günther Deuschl, Ulrich Heute, Jan Raethjen
2009 J jnl
Evaluating the Performance of Kalman-Filter-Based EEG Source Localization.
IEEE Trans. Biomed. Eng.
Matthew J. Barton, Peter A. Robinson, Suresh Kumar, Andreas Galka, Hugh F. Durrant-Whyte, José E. Guivant, Tohru Ozaki
2006 J jnl
Modelling non-stationary variance in EEG time series by state space GARCH model.
Comput. Biol. Medicine
Kin Foon Kevin Wong, Andreas Galka, Okito Yamashita, Tohru Ozaki
2004 J jnl
A solution to the dynamical inverse problem of EEG generation using spatiotemporal Kalman filtering.
NeuroImage
Andreas Galka, Okito Yamashita, Tohru Ozaki, Rolando J. Biscay, Pedro A. Valdés-Sosa
2003 J jnl
Dynamical Correlations on Reconstructed Invariant Densities and their Effect on Correlation Dimension Estimation.
Int. J. Bifurc. Chaos
Andreas Galka, Gerd Pfister