无约束的$\ell_{2,1}$-分析法重构冗余紧框架下分块稀疏信号的条件
刘洋铄, 刘宏宇, 葛焕敏
系统科学与数学 ›› 2022, Vol. 42 ›› Issue (3) : 509-527.
无约束的$\ell_{2,1}$-分析法重构冗余紧框架下分块稀疏信号的条件
The Condition for the Recovery of Block Sparse Signal Based on Redundant Tight Frame via the Unconstrained $\ell_{2,1}$-Analysis Method
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