Joint sensing matrix and sparsifying dictionary optimization applied in real image for compressed sensing.
Qianru JiangRodrigo C. de LamareSheng LiHuang BaiPublished in: DSP (2017)
Keyphrases
- compressed sensing
- orthogonal matching pursuit
- compressive sampling
- sparse representation
- image reconstruction
- image classification
- image representation
- natural images
- random projections
- input image
- fourier domain
- image retrieval
- image features
- signal recovery
- multiscale
- template matching
- space variant
- image matching
- pixel values
- computer vision
- higher order
- similarity measure
- feature extraction
- feature selection