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

> Research article (Information Sciences, 2018) · cited 18× · AI/ML

**Wikidata**: [openalex:W2795406247](https://www.wikidata.org/wiki/openalex:W2795406247)  
**Source**: https://4ort.xyz/entity/group-sparsity-with-orthogonal-dictionary-and-nonconvex-regularization-for-exact-mri-reconstruction