Separable Dictionary Learning for Convolutional Sparse Coding via Split Updates.
Jorge QuesadaPaul RodríguezBrendt WohlbergPublished in: ICASSP (2018)
Keyphrases
- sparse coding
- dictionary learning
- sparse representation
- natural images
- linear combination
- image classification
- group sparsity
- unsupervised learning
- discriminative power
- single image super resolution
- image representation
- object category recognition
- generative model
- image patches
- feature space
- sparse codes
- visual words
- high dimensional
- higher order
- computer vision
- maximum likelihood
- dimensionality reduction
- data analysis
- sparsity constraints
- object recognition
- machine learning