Reconstruction of signals with sparse representation in optimally dilated Hermite basis.
Milos BrajovicIrena OrovicMarko BekoSrdjan StankovicPublished in: Signal Image Video Process. (2023)
Keyphrases
- sparse representation
- compressive sensing
- compressed sensing
- signal reconstruction
- reconstruction error
- signal processing
- sparse signal representation
- dictionary learning
- sparse reconstruction
- sparse coding
- learned dictionary
- sparse coefficients
- image classification
- joint optimization
- face recognition
- single image super resolution
- image reconstruction
- sparsity constraints
- random projections
- blind source separation
- piecewise smooth
- band limited
- image super resolution
- sparse approximations
- image representation
- negative matrix factorization
- fourier transform
- image processing
- norm minimization
- image patches
- test images
- high dimensional data
- regularized least squares
- three dimensional
- data mining
- reconstructed image
- high dimensional
- multiscale