Character encoding based on occurrence probability enhances the performance of SSVEP-based BCI spellers.
Sahar SadeghiAli MalekiPublished in: Biomed. Signal Process. Control. (2020)
Keyphrases
- brain computer interface
- occurrence probability
- motor imagery
- failure rate
- healthy subjects
- steady state visual evoked
- signal processing
- event related
- handwritten characters
- single trial
- brain activity
- neural network
- encoding scheme
- brain signals
- spinal cord injury
- optical character recognition
- variable length
- wavelet transform
- event related potentials
- image processing