Speech Enhancement Using Nonnegative Matrix Factorization with Overlapping Group Sparsity Constraint.
Haobin WenLin LiangFei LiuPublished in: ICGSP (2020)
Keyphrases
- nonnegative matrix factorization
- matrix factorization
- negative matrix factorization
- principal component analysis
- low rank
- least squares
- original data
- pairwise
- nearest neighbor
- dictionary learning
- spectral clustering
- image processing
- feature space
- document clustering
- computer vision
- clustering algorithm
- noise reduction
- image sequences
- sparse representation
- data sets
- pattern recognition
- objective function