Multipitch Estimation of Piano Music by Exemplar-Based Sparse Representation.
Cheng-Te LeeYi-Hsuan YangHomer H. ChenPublished in: IEEE Trans. Multim. (2012)
Keyphrases
- sparse representation
- dictionary learning
- sparse coding
- face recognition
- image classification
- compressive sensing
- negative matrix factorization
- joint optimization
- image patches
- random projections
- reconstruction error
- test images
- high dimensional data
- object tracking
- signal processing
- compressed sensing
- sparsity constraints
- piecewise smooth
- polyphonic music
- regularized least squares
- sparse approximations
- musical instruments
- sparse codes
- image representation
- dimensionality reduction
- music information retrieval
- higher order
- feature space