Browsing by Subject "Center locations"

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    Off-grid sparse SAR image reconstruction by EMMP algorithm
    (IEEE, 2013) Uğur, Salih; Arıkan, Orhan; Gurbuz, A.C.
    A new and robust sparse SAR image reconstruction technique is proposed for off-grid targets in the CS framework. In the proposed approach, basis vectors corresponding to on-grid point reflectors are perturbed on a finer grid to find the appropriate bases for the reconstruction of off-grid targets. To provide efficiency of the reconstruction, the EMMP algorithm is applied to find reflectivity center locations. As demonstrated by simulations, the proposed approach significantly improves the performance of sparse SAR image reconstruction. © 2013 IEEE.