Efficient minimization for dictionary based sparse representation and signal recovery.
Xiaojing YeKefei LiuMeizhu LiuPublished in: ISABEL (2011)
Keyphrases
- sparse representation
- orthogonal matching pursuit
- signal recovery
- dictionary learning
- compressed sensing
- compressive sensing
- sparse coding
- norm minimization
- image classification
- face recognition
- image representation
- dimensionality reduction
- signal processing
- image patches
- random projections
- motion estimation
- image reconstruction
- original data
- test images
- high dimensional data
- higher order