Title :
Compressive Sensing With Chaotic Sequence
Author :
Yu, Lei ; Barbot, Jean Pierre ; Zheng, Gang ; Sun, Hong
Author_Institution :
Signal Process. Lab., Wuhan Univ., Wuhan, China
Abstract :
Compressive sensing is a new methodology to capture signals at sub-Nyquist rate. To guarantee exact recovery from compressed measurements, one should choose specific matrix, which satisfies the Restricted Isometry Property (RIP), to implement the sensing procedure. In this letter, we propose to construct the sensing matrix with chaotic sequence following a trivial method and prove that with overwhelming probability, the RIP of this kind of matrix is guaranteed. Meanwhile, its experimental comparisons with Gaussian random matrix, Bernoulli random matrix and sparse matrix are carried out and show that the performances among these sensing matrix are almost equal.
Keywords :
chaos; matrix algebra; probability; signal sampling; chaotic sequence; compressed measurements; compressive sensing; overwhelming probability; restricted isometry property; sensing matrix; sub-Nyquist rate; trivial method; Chaos; compressive sensing; logistic map;
Journal_Title :
Signal Processing Letters, IEEE
DOI :
10.1109/LSP.2010.2052243