Stability and Robustness of Weak Orthogonal Matching Pursuits
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A recent result establishing, under restricted isometry conditions, the success of sparse recovery via orthogonal matching pursuit using a number of iterations proportional to the sparsity level is extended to weak orthogonal matching pursuits. The new result also applies to a pure orthogonal matching pursuit, where the index appended to the support at each iteration is chosen to maximize the subsequent decrease of the squared norm of the residual vector. Springer Science+Business Media, LLC 2013.
Springer Proceedings in Mathematics and Statistics
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