Fast Convolutional Dictionary Learning off the Grid.
Andrew H. SongFrancisco J. FloresDemba E. BaPublished in: CoRR (2019)
Keyphrases
- dictionary learning
- sparse coding
- sparse representation
- natural images
- image super resolution
- linear combination
- image classification
- group sparsity
- unsupervised learning
- object category recognition
- generative model
- image patches
- sparse codes
- sparsity constraints
- dictionary learning for sparse
- prior knowledge
- image representation
- signal processing
- high dimensional
- multiscale
- data sets