This is implementation of Kronecker Compressive sensing reconstruction with Group based sparsity. Form this paper https://www.researchgate.net/publication/294427407_Group_Sparse_Representation_for_Kronecker_Compressive_Imaging
plese cite if you using this source code T. Nguyen Canh and B. Jeon, "Group Sparse Representation for Kronecker Compressive Imaging", IPIU 2016.