Sparse Representation Using Block Decomposition for Characterization of Imaging Patterns.
Keni ZhengSokratis MakrogiannisPublished in: Patch-MI@MICCAI (2017)
Keyphrases
- sparse reconstruction
- sparse representation
- dictionary learning
- sparse coding
- compressive sensing
- face recognition
- signal processing
- joint optimization
- compressed sensing
- negative matrix factorization
- image classification
- image patches
- high dimensional data
- dimensionality reduction
- high resolution
- computer vision
- regularized least squares
- random projections
- image processing
- piecewise smooth
- object tracking
- image representation
- reconstruction error
- sparse approximations
- sparsity constraints