Greedy pursuits based gradual weighting strategy for weighted ℓ1-minimization

• Main Authors: Narayanan, Sathiya, Sahoo, Sujit Kumar, Makur, Anamitra
• Other Authors: School of Electrical and Electronic Engineering
• Format: Conference or Workshop Item
• Language: English
• Published: 2019
• Subjects: Weighted ℓ1-minimization; Greedy Pursuits Assisted Basis Pursuit; Engineering::Electrical and electronic engineering
• Online Access: https://hdl.handle.net/10356/81440; http://hdl.handle.net/10220/50384
• Institution: Nanyang Technological University

In Compressive Sensing (CS) of sparse signals, standard ℓ 1 -minimization can be effectively replaced with Weighted ℓ 1 -minimization (Wℓ 1 ) if some information about the signal or its sparsity pattern is available. If no such information is available, Re-Weighted ℓ 1 -minimization (ReWℓ 1 ) can be...