A level-set subgradient projection algorithm for non-differentiable signal restoration with multiple constraints

  • Authors:

  • Jian Luo;P. L. Combettes

  • Affiliations:

  • City Coll., City Univ. of New York, NY, USA;-

  • Venue:
  • ICASSP '00 Proceedings of the Acoustics, Speech, and Signal Processing, 2000. on IEEE International Conference - Volume 01
  • Year:
  • 2000

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Abstract

An new adaptive level-set subgradient projection algorithm is proposed to solve non-differentiable signal recovery problems with multiple convex constraints. The algorithm is described, its convergence is established, and its implementation is discussed. Applications to constrained total variation signal restoration and denoising are demonstrated.