Parsimonious dictionary learning.
Mehrdad YaghoobiThomas BlumensathMichael E. DaviesPublished in: ICASSP (2009)
Keyphrases
- dictionary learning
- sparse representation
- sparse coding
- image super resolution
- object category recognition
- group sparsity
- face recognition
- natural images
- generative model
- multiscale
- sparsity constraints
- sparse codes
- maximum likelihood
- semi supervised
- image representation
- knn
- object recognition
- bayesian networks
- high quality
- data sets