Regularized Sparse Representation for Spectrometric Pulse Separation and Counting Rate Estimation.
Tom TriganoYann SepulcrePublished in: LVA/ICA (2012)
Keyphrases
- sparse representation
- regularized least squares
- dictionary learning
- sparse reconstruction
- norm minimization
- sparse coding
- sparsity constraints
- image patches
- reconstruction error
- image classification
- compressive sensing
- signal processing
- negative matrix factorization
- orthogonal matching pursuit
- estimation error
- face recognition
- sparse approximations
- random projections
- compressed sensing
- joint optimization
- image representation
- blind source separation
- least squares
- test images
- dimensionality reduction
- high dimensional data
- image data
- data analysis