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WASAR imaging with backprojection based group complex approximate message passing

WASAR imaging with backprojection based group complex approximate message passing

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Group sparsity based wide angle synthetic aperture radar imaging model is developed and propose a novel algorithm called backprojection based group complex approximate message passing to recover the anisotropic scene. Compared with conventional backprojection based complex approximate message passing algorithm for the recovery of isotropic scene, the proposed method accommodates aspect dependent scattering behaviour better and can produce better imagery. Simulated and experimental results are presented to demonstrate the validity of the proposed algorithm.

References

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      • 4. Stojanovic, I., Cetin, M., Karl, W.: ‘Joint space aspect reconstruction of wide-angle SAR exploiting sparsity’. SPIE Defense and Security Symp., Orlando, FL, USA, March 2008, pp. 697005697005-12.
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      • 5. Fang, J., Xu, Z., Zhang, B., Hong, W., Wu, Y.: ‘Fast compressed sensing SAR imaging based on approximated observation’, J. STARS, 2014, 7, pp. 352363.
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      • 7. Jiang, C., Lin, Y., Zhang, Z., Zhang, B., Hong, W.: ‘WASAR imaging based on message passing with structured sparse constraint: Approach and experiment’. Third Int. Workshop Compressed Sensing Theory and its Applications to Radar, Sonar and Remote Sensing (CoSeRa), Pisa, Italy, June 2015, pp. 219223.
http://iet.metastore.ingenta.com/content/journals/10.1049/el.2016.2663
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