Multidimensional Shrinkage-Thresholding Operator and Group LASSO Penalties.
Arnau Tibau PuigAmi WieselGilles FleuryAlfred O. Hero IIIPublished in: IEEE Signal Process. Lett. (2011)
Keyphrases
- group lasso
- variable selection
- regression model
- denoising
- multiple kernel learning
- efficient optimization
- structured sparsity
- multi task
- image denoising
- multi label learning
- contingency tables
- convex optimization
- regularization term
- low rank
- multi task learning
- image processing
- cross validation
- edge detection
- model selection
- image segmentation
- optimization methods
- high order
- regression problems
- high dimensional