Computer Science ›› 2016, Vol. 43 ›› Issue (Z11): 144-146.doi: 10.11896/j.issn.1002-137X.2016.11A.031

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1 Bit Compressed Sensing Reconstruction Algorithm Based on Block Sparse

XIONG Jie, CHEN Hao and YAN Bin   

  • Online:2018-12-01 Published:2018-12-01

Abstract: As a typical sparse signal,block sparse signal is widely used in compressed sensing reconstruction algorithm.But ordinary reconstruction algorithm cannot find its internal structure,which leads to the reconstruction accuracy decrease.Based on this theory,considering ordinary 1 bit compressed sensing reconstruction algorithm cannot have good performance in a block sparse signal,we proposed a specific reconstruction algorithm to solve block signal reconstruction.In this algorithm,each block is a reconstruction unit,and is executed reconstruction in binary iterative hard thresho-lding algorithm model.The numerical experiments show that compared with the BIHT algorithm,the precision of BLOCK-BIHT algorithm increases by 3dB.

Key words: Sparse signal,Compressed sensing,1 bit,Binary iterative hard thresholding algorithm

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