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4 papers · 1 filter
Robust Polyhedral Regularization
Samuel Vaiter, Gabriel Peyré, Jalal Fadili
In this paper, we establish robustness to noise perturbations of polyhedral regularization of linear inverse problems. We provide a sufficient condition that ensures that the polyh…
Improving success probability and embedding efficiency in code based steganography
Morgan Barbier, Carlos Munuera
For stegoschemes arising from error correcting codes, embedding depends on a decoding map for the corresponding code. As decoding maps are usually not complete, embedding can fail.…
The degrees of freedom of the Group Lasso for a General Design
Samuel Vaiter, Charles Deledalle, Gabriel Peyré +2
In this paper, we are concerned with regression problems where covariates can be grouped in nonoverlapping blocks, and where only a few of them are assumed to be active. In such a…
On the decoding of quasi-BCH codes
Morgan Barbier, Clément Pernet, Guillaume Quintin
In this paper we investigate the structure of quasi-BCH codes. In the first part of this paper we show that quasi-BCH codes can be derived from Reed-Solomon codes over square matri…