Speech signal band width extension and noise removal using subband HMN.
Mitsuhiro HosokiTakayuki NagaiAkira KurematsuPublished in: ICASSP (2002)
Keyphrases
- subband
- noise removal
- speech signal
- linear prediction
- frequency band
- low pass
- filter bank
- speech recognition
- wavelet transform
- image compression
- multiresolution
- anisotropic diffusion
- denoising
- high frequency
- bit rate
- wavelet coefficients
- image enhancement
- wavelet decomposition
- noise reduction
- frequency domain
- feature vectors
- discrete wavelet transform
- non stationary
- low frequency
- edge detection
- wavelet domain
- image coding
- gaussian noise
- noisy images
- wavelet packet
- feature extraction
- hidden markov models
- locally adaptive
- edge preserving
- motion vectors
- additive noise
- noise level
- image denoising
- level set
- multiscale