Spatially Adapted Multiwavelets and Sparse Representation of Integral Equations on General Geometries.
Julio Enrique Castrillón-CandásKevin AmaratungaPublished in: SIAM J. Sci. Comput. (2003)
Keyphrases
- sparse representation
- dictionary learning
- sparse coding
- compressive sensing
- image classification
- random projections
- filter bank
- compressed sensing
- image representation
- image patches
- signal processing
- face recognition
- regularized least squares
- joint optimization
- dimensionality reduction
- high dimensional data
- wavelet transform
- image processing
- neural network ensemble
- natural images
- training set
- sparsity constraints