Sparse representation algorithms based on mean-field approximations.
Cédric HerzetAngélique DremeauPublished in: ICASSP (2010)
Keyphrases
- sparse representation
- sparse approximations
- learning algorithm
- dictionary learning
- sparse coding
- high dimensional data
- closed form
- joint optimization
- random projections
- image processing
- computer vision
- image representation
- face recognition
- image patches
- natural images
- high dimensional
- variational methods
- compressed sensing
- data analysis