Single-image super-resolution of brain MR images using overcomplete dictionaries.
Andrea RuedaNorberto MalpicaEduardo RomeroPublished in: Medical Image Anal. (2013)
Keyphrases
- single image super resolution
- brain mr images
- sparse coding
- sparse representation
- dictionary learning
- quantitative evaluation
- natural images
- mr images
- medical image analysis
- medical imaging
- image patches
- linear combination
- image classification
- image representation
- brain tissue
- compressive sensing
- cortical surface
- super resolution
- generative model
- face recognition
- unsupervised learning
- visual words
- magnetic resonance images
- denoising
- feature space
- brain tumors
- signal processing
- medical images
- higher order
- image registration
- ground truth
- high dimensional data
- probabilistic model
- high dimensional
- image segmentation
- object recognition