Speech enhancement using fourth-order cumulants and optimum filters in the subband domain.
Elias NemerRafik A. GoubranSamy MahmoudPublished in: Speech Commun. (2002)
Keyphrases
- fourth order
- subband
- noise removal
- image interpolation
- locally adaptive
- high order
- filter bank
- wavelet transform
- partial differential equations
- image compression
- multiresolution
- linear prediction
- anisotropic diffusion
- noise reduction
- wavelet coefficients
- wavelet decomposition
- high frequency
- bit rate
- feature vectors
- frequency domain
- discrete wavelet transform
- wavelet packet
- edge detection
- nonlinear diffusion
- multiscale
- wavelet domain
- image coding
- estimation error
- image denoising
- lossless compression
- image enhancement
- higher order
- denoising
- pattern recognition
- image processing