Group Sparsity via SURE Based on Regression Parameter Mean Squared Error.
Akila J. SeneviratneVictor SoloPublished in: IEEE Signal Process. Lett. (2014)
Keyphrases
- group sparsity
- structured sparsity
- sparse coding
- dictionary learning
- low rank
- regression model
- sparse representation
- group lasso
- discriminative power
- statistical learning
- compressive sensing
- high dimensional data
- linear regression
- active learning
- gaussian processes
- learning algorithm
- learning problems
- linear combination
- model selection
- linear models
- natural images
- image classification
- small number
- signal processing