Distributed Optimization of Quadratic Costs with a Group-Sparsity Regularization Via PDMM.
Kangwei HuDanqi JinWen ZhangJie ChenPublished in: APSIPA (2018)
Keyphrases
- group sparsity
- structured sparsity
- convex optimization problems
- sparse coding
- dictionary learning
- low rank
- compressive sensing
- optimization problems
- sparse representation
- statistical learning
- group lasso
- convex optimization
- discriminative power
- learning problems
- regularization methods
- pairwise
- machine learning
- quadratic programming
- efficient optimization
- linear combination
- natural images
- object recognition