Automatic recognition of cognitive fatigue from physiological indices by using wavelet packet transform and kernel learning algorithms.
Chong ZhangChongxun ZhengXiaolin YuPublished in: Expert Syst. Appl. (2009)
Keyphrases
- automatic recognition
- wavelet packet transform
- learning algorithm
- wavelet packet
- shift invariant
- wavelet transform
- wavelet coefficients
- analog circuits
- watermarking algorithm
- texture features
- denoising
- frequency band
- active learning
- subband
- training data
- neural network
- machine learning
- feature space
- high frequency
- supervised learning
- support vector
- wavelet domain
- image denoising
- distance measure
- sample set
- feature selection
- white blood cells