A minimax dictionary expansion for sparse continuous reconstruction.
Thiago Alberto Rigo PassarinDaniel R. PipaMarcelo Victor Wüst ZibettiPublished in: EUSIPCO (2017)
Keyphrases
- sparse representation
- compressed sensing
- compressive sensing
- reconstruction error
- sparse reconstruction
- sparse signal representation
- dictionary learning
- signal reconstruction
- image reconstruction
- sparse coding
- joint optimization
- sparsity constraints
- image super resolution
- discrete tomography
- sparse codes
- reconstruction process
- orthogonal matching pursuit
- sparse data
- random projections
- image classification
- binary matrices
- three dimensional
- high resolution
- sparse approximations
- data sets
- evaluation function
- image patches
- image representation
- dimensionality reduction
- worst case
- high dimensional
- dictionary learning for sparse