Sequential Structured Dictionary Learning for Block Sparse Representations.
Abd-Krim SeghouaneAsif IqbalKarim Abed-MeraimPublished in: ICASSP (2019)
Keyphrases
- dictionary learning
- sparse representation
- sparse coding
- image super resolution
- group sparsity
- face recognition
- image classification
- sparse codes
- image patches
- negative matrix factorization
- random projections
- compressive sensing
- sparsity constraints
- single image super resolution
- image representation
- natural images
- signal processing
- linear combination
- high dimensional data
- dimensionality reduction