Sparse Recovery: The Square of ${\ell }_1/{\ell }_2$ Norms

Jianqing Jia, Ashley Prater-Bennette, Lixin Shen +1

This paper introduces a nonconvex approach for sparse signal recovery, proposing a novel model termed the ${\tau }_2$-model, which utilizes the squared ${\ell }_1/{\ell }_2$ norms for this pur…