3607 search results - page 4 / 722 » Learning with structured sparsity |
JMLR
2012
11 years 8 months ago
2012
Standard compressive sensing results state that to exactly recover an s sparse signal in Rp , one requires O(s · log p) measurements. While this bound is extremely useful in prac...
EMNLP
2011
12 years 5 months ago
2011
Linear models have enjoyed great success in structured prediction in NLP. While a lot of progress has been made on efficient training with several loss functions, the problem of ...
CVPR
2011
IEEE
13 years 1 months ago
2011
IEEE
We develop a dictionary learning method which is (i) online, (ii) enables overlapping group structures with (iii) non-convex sparsity-inducing regularization and (iv) handles the ...
JMLR
2010
13 years 17 days ago
2010
We present an extension of sparse PCA, or sparse dictionary learning, where the sparsity patterns of all dictionary elements are structured and constrained to belong to a prespeci...
COLT
2006
Springer
13 years 9 months ago
2006
Springer