Title :
An RIP-Based Approach to
Quantization for Compressed Sensing
Author :
Joe-Mei Feng ; Krahmer, Felix
Author_Institution :
Inst. for Numerical & Appl. Math., Univ. of Gottingen, Gottingen, Germany
Abstract :
In this letter, we provide a new approach to estimating the error of reconstruction from ΣΔ quantized compressed sensing measurements. Our method is based on the restricted isometry property (RIP) of a certain projection of the measurement matrix. Our result yields simple proofs and a slight generalization of the best-known reconstruction error bounds for Gaussian and subGaussian measurement matrices.
Keywords :
compressed sensing; matrix algebra; quantisation (signal); signal reconstruction; ΣΔ quantized compressed sensing measurements; Gaussian measurement matrices; RIP-based approach; error estimation; measurement matrix; reconstruction error bounds; restricted isometry property; subGaussian measurement matrices; Accuracy; Compressed sensing; Measurement uncertainty; Minimization; Quantization (signal); Random variables; Vectors; $Sigma Delta $ quantization; compressed sensing; restricted isometry property;
Journal_Title :
Signal Processing Letters, IEEE
DOI :
10.1109/LSP.2014.2336700