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stat.ML2026
Price of Quality: Sufficient Conditions for Sparse Recovery using Mixed-Quality Data
Youssef Chaabouni, David Gamarnik
We study sparse recovery when observations come from mixed-quality sources: a small collection of high-quality measurements with small noise variance and a larger collection of low…
stat.ML2025
The Price of Sparsity: Sufficient Conditions for Sparse Recovery using Sparse and Sparsified Measurements
Youssef Chaabouni, David Gamarnik
We consider the problem of recovering the support of a sparse signal using noisy projections. While extensive work has been done on the dense measurement matrix setting, the sparse…