Joint Spatial-Spectral Feature Space Clustering for Speech Activity Detection from ECoG Signals.
Vasileios G. KanasIosif MporasHeather L. BenzKyriakos N. SgarbasAnastasios BezerianosNathan E. CronePublished in: IEEE Trans. Biomed. Eng. (2014)
Keyphrases
- feature space
- clustering algorithm
- single trial
- k means
- smart room
- signal processing
- feature vectors
- classification accuracy
- spatial filters
- high dimensional
- spectral clustering
- image retrieval
- training set
- feature extraction
- unsupervised learning
- brain computer interface
- speaker diarization
- principal component analysis
- ubiquitous computing
- high dimensional data
- image representation
- dimensionality reduction
- information retrieval
- active learning
- feature selection