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Group sparsity with orthogonal dictionary and nonconvex regularization for exact MRI reconstruction

Exact Mri ReconstructionImage ReconstructionSparse RepresentationEngineeringReconstruction TechniqueMedical ImagingCompressive SensingBiomedical ImagingOrthogonal DictionarySignal ReconstructionGroup SparsityNeuroimagingInverse ProblemsMedical Image ComputingRadiologyHealth Sciences