Emergence of Sparse Representations from Noise.
Trenton BrickenRylan SchaefferBruno A. OlshausenGabriel KreimanPublished in: ICML (2023)
Keyphrases
- sparse representation
- dictionary learning
- sparse coding
- compressive sensing
- image classification
- regularized least squares
- joint optimization
- random projections
- signal processing
- compressed sensing
- image representation
- face recognition
- reconstruction error
- image patches
- high dimensional data
- negative matrix factorization
- manifold learning
- dimensionality reduction
- noise model
- sparse reconstruction
- test images
- missing data
- noise reduction
- gaussian noise
- pattern recognition
- sparse coefficients
- single image super resolution
- norm regularization
- data sets
- feature extraction
- training data
- image restoration
- bag of words