Simultaneous Sensing Matrix and Sparsifying Dictionary Optimization for Block-sparse Compressive Sensing.
Shuang LiQiuwei LiGang LiXiongxiong HeLiping ChangPublished in: MASS (2013)
Keyphrases
- compressive sensing
- orthogonal matching pursuit
- compressed sensing
- sparse representation
- compressive sampling
- random projections
- signal recovery
- image recovery
- image reconstruction
- coefficient matrix
- signal reconstruction
- dictionary learning
- sparse coding
- signal processing
- structured sparsity
- dimensionality reduction
- image representation
- linear combination
- distributed source coding
- image classification
- transform domain
- interior point methods
- feature selection
- high dimensional data
- natural images
- low dimensional
- face recognition
- image processing