Proximal Methods for Hierarchical Sparse Coding
Julien Mairal and Rodolphe Jenatton and Guillaume Obozinski and Francis Bach

@article{12:67,author={Rodolphe Jenatton and Julien Mairal and Guillaume Obozinski and Francis Bach}, Title={Proximal Methods for Hierarchical Sparse Coding},journal={Journal of Machine Learning Research},volume={12}, url={http://www.jmlr.org/papers/volume12/jenatton11a/jenatton11a.pdf}}