Highly undersampled MRI using adaptive sparse representations.
Saiprasad RavishankarYoram BreslerPublished in: ISBI (2011)
Keyphrases
- sparse representation
- dictionary learning
- sparse coding
- face recognition
- magnetic resonance imaging
- compressive sensing
- signal processing
- joint optimization
- random projections
- object tracking
- image classification
- negative matrix factorization
- sparse reconstruction
- dimensionality reduction
- medical images
- pattern recognition
- manifold learning
- high dimensional data
- image patches
- image representation
- regularized least squares
- multiscale
- orthogonal matching pursuit
- data mining
- test images
- generative model
- image features
- probabilistic model
- data analysis
- feature extraction
- decision trees
- image processing