Keyphrases
- human visual system
- dct domain
- compressive sampling
- compressive sensing
- compressed sensing
- sparse representation
- image representation
- pixel domain
- image data
- random projections
- image features
- multiscale
- input image
- image classification
- signal processing
- orthogonal matching pursuit
- image retrieval
- image regions
- zero crossing
- transform domain
- image reconstruction
- computer vision
- post processing
- image segmentation
- low frequency
- sparse coding
- image blocks
- digital images
- high resolution
- multiresolution