Keyphrases
- dictionary learning
- denoising
- sparse coding
- sparse representation
- natural images
- independent component analysis
- image denoising
- magnetic resonance imaging
- face recognition
- image processing
- total variation
- group sparsity
- medical images
- wavelet packet
- feature extraction
- signal processing
- sparse codes
- magnetic resonance images
- signal recovery
- mr images
- sparsity constraints
- mri data
- image classification
- principal component analysis
- random projections
- compressive sensing
- dictionary learning for sparse
- white matter
- image patches
- linear combination
- unsupervised learning
- generative model
- blind source separation
- higher order
- compressed sensing
- high resolution
- object recognition
- multiscale
- computer vision
- machine learning