Distributed dictionary learning via projections onto convex sets.
Dimitris AmpeliotisChristos MavrokefalidisKostas BerberidisPublished in: EUSIPCO (2017)
Keyphrases
- dictionary learning
- sparse representation
- sparse coding
- projections onto convex sets
- signal recovery
- post processing
- natural images
- spatial domain
- image classification
- dimensionality reduction
- multiscale
- unsupervised learning
- image representation
- linear combination
- discrete cosine transform
- random projections
- image interpolation
- image segmentation