451 citations · 1.8k across the 39 of their papers we have counts for
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stat.ML2010★ 277 cited
Proximal Methods for Hierarchical Sparse Coding
Rodolphe Jenatton, Julien Mairal, Guillaume Obozinski +1
Sparse coding consists in representing signals as sparse linear combinations of atoms selected from a dictionary. We consider an extension of this framework where the atoms are fur…
cs.LG2010★ 122 cited
Network Flow Algorithms for Structured Sparsity
Julien Mairal, Rodolphe Jenatton, Guillaume Obozinski +1
We consider a class of learning problems that involve a structured sparsity-inducing norm defined as the sum of -norms over groups of variables. Whereas a lot of effor…