A new sparse representation framework for compressed sensing MRI.
Zhen ChenChuanping HuangShufu LinPublished in: Knowl. Based Syst. (2020)
Keyphrases
- compressed sensing
- sparse representation
- image reconstruction
- random projections
- dictionary learning
- face recognition
- signal processing
- image classification
- natural images
- sparse coding
- image representation
- high dimensional data
- high quality
- dimensionality reduction
- pattern recognition
- nearest neighbor
- image patches
- knn
- pairwise
- multiscale
- orthogonal matching pursuit