Figure 3From: Hierarchical CoSaMP for compressively sampled sparse signals with nested structureCS acquisition of a spatially localized field with N =4,096, M =900 and K =256. Reconstructed image obtained by (A) the HCoSaMP, (B) the model-based CS [2], (C) the work in [8] and (D) the classical CoSaMP.Back to article page