Semi-supervised adaptation in ssvep-based brain-computer interface using tri-training

Thomas Bender, Troels W. Kjaer, Carsten E. Thomsen, Helge B D Sorensen, S. Puthusserypady

3 Citations (Scopus)

Abstract

This paper presents a novel and computationally simple tri-training based semi-supervised steady-state visual evoked potential (SSVEP)-based brain-computer interface (BCI). It is implemented with autocorrelation-based features and a Naïve-Bayes classifier (NBC). The system uses nine characters presented on a 100 Hz CRT-monitor, three scalp electrodes for signal acquisition, a gUSB-amp for preamplification and two PCs for data-processing and stimulus control respectively. Preliminary test results of the system on nine healthy subjects, with and without tri-training, indicates that the accuracy improves as a result of tri-training.

Original languageEnglish
Title of host publicationProceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBS
Number of pages4
Publication date31 Oct 2013
Pages4279-4282
Article number6610491
ISBN (Print)9781457702167
DOIs
Publication statusPublished - 31 Oct 2013

Keywords

  • Autocorrelation
  • Brain-Computer Interface
  • Naïve-Bayes Classifier
  • Steady-State Visual Evoked Potentials
  • Tri-training

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