Speech denoising using nonnegative matrix factorization with priors.
Kevin W. WilsonBhiksha RajParis SmaragdisAjay DivakaranPublished in: ICASSP (2008)
Keyphrases
- nonnegative matrix factorization
- denoising
- image denoising
- probabilistic latent semantic indexing
- negative matrix factorization
- matrix factorization
- data representation
- least squares
- active set
- spectral clustering
- nonnegative matrix
- original data
- principal component analysis
- image processing
- total variation
- document clustering
- natural images
- sparsity constraints
- information extraction
- objective function