Design of signal expansions for sparse representation.
Sven Ole AaseKarl SkrettingJohn Håkon HusøyKjersti EnganPublished in: ICASSP (2000)
Keyphrases
- sparse representation
- compressive sensing
- dictionary learning
- signal processing
- pattern recognition
- sparse coding
- compressed sensing
- image classification
- data mining
- object tracking
- frequency domain
- face recognition
- test images
- input image
- reconstruction error
- image data
- random projections
- database
- joint optimization
- regularized least squares
- sparse learning