Joint spatial-angular sparse coding for dMRI with separable dictionaries.
Evan SchwabRené VidalNicolas CharonPublished in: Medical Image Anal. (2018)
Keyphrases
- sparse coding
- sparse representation
- sparse codes
- single image super resolution
- dictionary learning
- natural images
- image classification
- image patches
- discriminative power
- face recognition
- feature space
- spatial pyramid matching
- discriminative dictionary
- spatial information
- image representation
- linear combination
- generative model
- visual words
- compressive sensing
- object category recognition
- unsupervised learning
- signal processing
- high dimensional data
- small number
- prior knowledge
- high dimensional
- multiscale
- high resolution
- feature extraction
- machine learning