Wavelet packet coefficients weighted for frequency optimization in motor imagery based brain-computer interfaces.
Qingguo WeiBin WanPublished in: BMEI (2011)
Keyphrases
- wavelet packet
- brain computer interface
- motor imagery
- filter bank
- denoising
- signal processing
- subband
- spinal cord injury
- wavelet transform
- healthy subjects
- eeg signals
- wavelet packet decomposition
- wavelet decomposition
- eeg data
- brain signals
- low frequency
- quadtree
- evoked potentials
- image coding
- brain activity
- multiresolution
- similarity measure
- high frequency
- wavelet coefficients
- blind source separation
- frequency band
- non stationary
- gray level
- building blocks
- image features
- data structure
- multiscale