Speech enhancement using convolutive nonnegative matrix factorization with cosparsity regularization.
Majid MirbagheriYanbo XuSahar AkramShihab A. ShammaPublished in: INTERSPEECH (2013)
Keyphrases
- nonnegative matrix factorization
- speech enhancement
- wiener filter
- noisy environments
- noise reduction
- signal to noise ratio
- data representation
- matrix factorization
- negative matrix factorization
- single channel
- speech signal
- least squares
- vocal tract
- smoothing algorithm
- principal component analysis
- linear prediction
- image restoration
- denoising
- speech recognition
- spectral clustering
- semi supervised
- edge preserving
- additive noise
- document clustering
- machine learning
- prior information
- original data
- multi channel
- frequency domain
- face recognition