Convolutional Sparse Representations with Gradient Penalties.
Brendt WohlbergPublished in: ICASSP (2018)
Keyphrases
- sparse representation
- sparse coding
- dictionary learning
- image classification
- face recognition
- image patches
- random projections
- compressive sensing
- single image super resolution
- joint optimization
- compressed sensing
- sparse reconstruction
- signal processing
- negative matrix factorization
- image representation
- test images
- natural images
- manifold learning
- high dimensional data
- regularized least squares
- computer vision
- sparse learning
- machine learning
- structure tensor
- sparse approximation
- norm regularization
- supervised learning
- generative model
- neural network