TV-min and Greedy Pursuit for Constrained Joint Sparsity and Application to Inverse Scattering
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TV-min and Greedy Pursuit for Constrained Joint Sparsity and Application to Inverse Scattering

  • Author(s): Fannjiang, Albert
  • et al.

Published Web Location

https://arxiv.org/pdf/1205.3834.pdf
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Abstract

This paper proposes a general framework for compressed sensing of constrained joint sparsity (CJS) which includes total variation minimization (TV-min) as an example. TV- and 2-norm error bounds, independent of the ambient dimension, are derived for the CJS version of Basis Pursuit and Orthogonal Matching Pursuit. As an application the results extend Cand`es, Romberg and Tao's proof of exact recovery of piecewise constant objects with noiseless incomplete Fourier data to the case of noisy data.

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