Polyphonic piano transcription using non-negative Matrix Factorisation with group sparsity.
Ken O'HanlonMark D. PlumbleyPublished in: ICASSP (2014)
Keyphrases
- group sparsity
- musical instruments
- structured sparsity
- sparse coding
- dictionary learning
- musical instrument
- low rank
- sparse representation
- discriminative power
- image classification
- statistical learning
- natural images
- group lasso
- data sets
- linear combination
- music retrieval
- learning models
- matrix factorization
- variable selection
- convex optimization
- learning problems
- singular value decomposition
- image representation
- generative model
- multiscale
- image processing