Perceptual subspace speech enhancement using variance of the reconstruction error.
Adda SaadouneAbderrahmane AmroucheSid-Ahmed SelouaniPublished in: Digit. Signal Process. (2014)
Keyphrases
- reconstruction error
- speech enhancement
- noisy environments
- noise reduction
- signal to noise ratio
- singular value decomposition
- sparse representation
- sparse coding
- speech signal
- dimensionality reduction
- subband
- low dimensional
- principal component analysis
- feature space
- filter bank
- high dimensional data
- reconstructed image
- objective function
- speech recognition
- edge detection
- high dimensional
- image classification
- higher order
- feature extraction
- image sequences
- hidden markov models