Sparse coding of ECoG signals identifies interpretable components for speech control in human sensorimotor cortex.
Kristofer E. BouchardAlejandro F. BujanEdward F. ChangFriedrich T. SommerPublished in: EMBC (2017)
Keyphrases
- sparse coding
- dictionary learning
- natural images
- sparse representation
- image classification
- single trial
- linear combination
- hand movements
- image representation
- generative model
- unsupervised learning
- human communication
- feature space
- high dimensional
- information processing
- human brain
- multiscale
- human computer interaction
- visual words
- image patches
- emotional state
- active learning
- spatial filters
- signal processing
- speech signal
- semi supervised