Author:
Jindrich Ciniburk
Affiliation:
University of West Bohemia, Czech Republic
Keyword(s):
Hilbert Huang transform, HHT, Empirical mode decomposition, EMD, Event related potentials, ERP, Signal processing, Electroencephalography, EEG.
Related
Ontology
Subjects/Areas/Topics:
Artificial Intelligence
;
Enterprise Information Systems
;
Human-Computer Interaction
;
Intelligent User Interfaces
;
Machine Perception: Vision, Speech, Other
Abstract:
Event related potentials (ERPs) are detected from continuous EEG.Most common method for ERPs detection is averaging. But this method is not suitable for single trial detection, because it requires lot of epochs. When we are performing attention experiments, it is required to detect ERPs ideally from single epoch. To detect ERP means determine its amplitude and latency. EEG signal is quasi-stationary therefore it is necessary to use signal processing methods designed for this task. We decided to use Hilbert-Huang transform. Its capabilities and problematic for ERP detection are discussed in the paper.