Implementation of Irregular Meshes for the Sparse Representation of Multidimensional Signals.
Sergey VishnyakovYulia VishnyakovaElizaveta SokolovaPublished in: SPML (2018)
Keyphrases
- sparse representation
- dictionary learning
- sparse coding
- multidimensional signals
- compressive sensing
- image classification
- reconstruction error
- compressed sensing
- joint optimization
- dimensionality reduction
- face recognition
- high dimensional data
- object tracking
- signal processing
- negative matrix factorization
- random projections
- image representation
- piecewise smooth
- multiresolution
- sparse approximations
- test images
- neural network
- image patches
- regularized least squares
- sparsity constraints
- data sets