Context information significantly improves brain computer interface performance - a case study on text entry using a language model assisted BCI.
Umut OrhanDeniz ErdogmusKenneth E. Hild IIBrian RoarkBarry OkenMelanie Fried-OkenPublished in: ACSCC (2011)
Keyphrases
- brain computer interface
- language model
- text entry
- language modeling
- motor imagery
- mobile phone
- error rate
- n gram
- probabilistic model
- speech recognition
- signal processing
- information retrieval
- healthy subjects
- query expansion
- brain signals
- mixture model
- test collection
- context sensitive
- eeg signals
- event related
- ad hoc information retrieval
- translation model
- brain activity
- event related potentials
- single trial
- spinal cord injury
- query terms
- human computer interaction
- evoked potentials
- smoothing methods
- eeg data
- pattern recognition