Toward polyphonic musical instrument identification using example-based sparse representation.
Mari OkamuraMasanori TakeharaSatoshi TamuraSatoru HayamizuPublished in: APSIPA (2012)
Keyphrases
- sparse representation
- musical instrument
- dictionary learning
- sparse coding
- musical instruments
- face recognition
- music information retrieval
- image classification
- compressive sensing
- signal processing
- compressed sensing
- sparse approximations
- random projections
- image patches
- negative matrix factorization
- dimensionality reduction
- piecewise smooth
- regularized least squares
- joint optimization
- low level
- neural network
- high dimensional data
- image representation
- sparse reconstruction
- test images
- face images
- sparsity constraints
- sparse codes