Non-Negative Group Sparsity with Subspace Note Modelling for Polyphonic Transcription.
Ken O'HanlonHidehisa NaganoNicolas KerivenMark D. PlumbleyPublished in: IEEE ACM Trans. Audio Speech Lang. Process. (2016)
Keyphrases
- group sparsity
- structured sparsity
- sparse coding
- dictionary learning
- low rank
- low dimensional
- sparse representation
- high dimensional data
- principal component analysis
- pattern recognition
- feature space
- high dimensional
- dimensionality reduction
- computer vision
- discriminative power
- statistical learning
- feature extraction
- generative model
- input data
- image classification
- compressive sensing
- data sets