Dictionary learning and sensing matrix optimization for compressed sensing.
Liping ChangQianru JiangGang LiAihua YuPublished in: ICICS (2013)
Keyphrases
- sparse representation
- dictionary learning
- compressed sensing
- sparse coding
- orthogonal matching pursuit
- random projections
- signal recovery
- face recognition
- compressive sensing
- image reconstruction
- image classification
- signal processing
- image patches
- natural images
- image representation
- test images
- dimensionality reduction
- object recognition
- high dimensional data
- singular value decomposition
- similarity measure
- feature extraction
- neural network