Enhancing weak signal components in time-frequency distributions by wavelet pre-processing.
Mingui SunRobert J. SclabassiPublished in: ICASSP (2000)
Keyphrases
- preprocessing
- weak signal
- wavelet transform
- feature extraction
- multiscale
- kullback leibler divergence
- preprocessing step
- random variables
- duffing oscillator
- probability distribution
- wavelet coefficients
- frequency domain
- wavelet decomposition
- fourier transform
- post processing
- denoising
- data mining
- subband
- building blocks
- image compression
- wavelet packet
- signal processing
- power spectrum
- signal detection
- wavelet function
- face recognition