The Dantzig selector: recovery of signal via ℓ <sub>1</sub> − αℓ <sub>2</sub> minimization
نویسندگان
چکیده
In the paper, we proposed Dantzig selector based on $\ell_{1}-\alpha \ell_{2}$~$(0< \alpha \leq1)$ minimization for signal recovery. selector, constraint $\|{\bf A}^{\top}({\bf b}-{\bf A}{\bf x})\|_\infty \leq \eta$ some small constant $\eta>0$ means columns of ${\bf A}$ has very weakly correlated with error vector e}={\bf x}-{\bf b}$. First, recovery guarantees restricted isometry property (RIP) are established signals. Next, propose effective algorithm to solve selector. Last, illustrate model and by extensive numerical experiments signals in cases Gaussian, impulsive uniform noise. And performance is better than that existing methods.
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ژورنال
عنوان ژورنال: Inverse Problems
سال: 2021
ISSN: ['0266-5611', '1361-6420']
DOI: https://doi.org/10.1088/1361-6420/ac39f8