All Projects
2022

BCI Signal Classification

Classification models for Symmetric Positive Definite (SPD) matrices using Riemannian geometry methods, applied to EEG brain-signal data from Brain-Computer Interface systems at Auburn University.

SPD matrix classification

BCI systems

Riemannian geometry

EEG data analysis

Python
scikit-learn
NumPy
Riemannian Geometry
EEG
Statistics

Overview

Research project at Auburn University developing and evaluating classification algorithms for Brain-Computer Interface (BCI) systems. Applied Riemannian geometry methods to classify Symmetric Positive Definite (SPD) matrices derived from electroencephalogram (EEG) brain-signal data.

Methods

  • Implemented classification models operating on the Riemannian manifold of SPD matrices
  • Evaluated algorithms on EEG data from standard BCI benchmark datasets
  • Compared convergence rate, computational complexity, and classification accuracy across methods

Results

  • Demonstrated improved classification accuracy using Riemannian geometry vs. Euclidean baselines
  • Comprehensive algorithm comparison across multiple EEG paradigms
  • Findings contributed to Auburn University research on BCI signal processing