Efficient Dictionary Learning via Very Sparse Random Projections.
Farhad Pourkamali-AnarakiStephen BeckerShannon M. HughesPublished in: CoRR (2015)
Keyphrases
- dictionary learning
- random projections
- sparse representation
- compressive sensing
- sparse coding
- compressed sensing
- dimensionality reduction
- high dimensional data
- image reconstruction
- sparse codes
- image classification
- image representation
- face recognition
- image patches
- random sampling
- hash functions
- machine learning
- dimension reduction
- generative model
- low dimensional
- principal component analysis