2 citations · 2 across the 2 of their papers we have counts for
3 papers
stat.ML2018
Binary Matrix Factorization via Dictionary Learning
Ignacio Ramirez
Matrix factorization is a key tool in data analysis; its applications include recommender systems, correlation analysis, signal processing, among others. Binary matrices are a part…
cs.CV2010★ 2 cited
Collaborative Sources Identification in Mixed Signals via Hierarchical Sparse Modeling
Pablo Sprechmann, Ignacio Ramirez, Pablo Cancela +1
A collaborative framework for detecting the different sources in mixed signals is presented in this paper. The approach is based on C-HiLasso, a convex collaborative hierarchical s…
cs.IT2010
Sparse coding and dictionary learning based on the MDL principle
Ignacio Ramírez, Guillermo Sapiro
The power of sparse signal coding with learned dictionaries has been demonstrated in a variety of applications and fields, from signal processing to statistical inference and machi…