Instantaneous feature extraction of non-stationary signal based on complex Morlet wavelet.
Huailin RuanJiren XuPublished in: EMEIT (2011)
Keyphrases
- non stationary
- feature extraction
- wavelet transform
- white noise
- wavelet packet
- instantaneous frequency
- adaptive algorithms
- frequency domain
- autoregressive
- biomedical signals
- empirical mode decomposition
- multiscale
- feature vectors
- temporal evolution
- image processing
- face recognition
- multi component
- denoising
- blind source separation
- stock price
- feature selection
- wavelet coefficients
- power spectrum
- subband
- detection algorithm
- original signal
- wavelet domain
- soft threshold