Computer and Modernization

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Image Reconstruction Based on Improved CoSaMP Algorithm

  

  1. (1. College of Electrical and Information Engineering, Northeast Petroleum University, Daqing 163318, China; 2. Daqing Logging and Testing Services Branch, Daqing 163453, China)
  • Received:2015-01-21 Online:2015-05-18 Published:2015-05-18

Abstract: Reconstruction algorithm is one of the points of compressed sensing. It determines compressed sensing whether can be applied in the real system. The paper combines compressive sampling matching pursuit (CoSaMP) algorithm with weighted block matrix technology in order to improve the accuracy of compressed sensing reconstruction, shorten the processing time and make the original algorithm more perfect. The paper compares the improved algorithm with the existing algorithms by simulation experiments which approve that the new algorithm improves the reconstruction quality under the same sparse condition.

Key words: compressed sensing, reconstruction algorithm, compressive sampling matching pursuit, weighted, block matrix

CLC Number: