Two-dimension gradient projection method for sparse matrix reconstruction

Two-dimension gradient projection method for sparse matrix reconstruction
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稀疏矩阵重构的二维梯度投影法

DOI:
10.1049/el.2016.0912
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发表时间:
2016-07
影响因子:
1.1
通讯作者:
Xiaowei Hu
Xiaowei Hu
中科院分区:
工程技术4区
文献类型:
--
作者:
Xingyu He;Ningning Tong;Xiaowei Hu

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序贯一阶负指数(SOONE)函数是衡量二维(2D)信号稀疏性的函数。used.to提出了一种求解SOONE函数的二维梯度投影(GP)方法,并由此提出了2D-GP-SOONE算法。该算法可以直接解决二维信号的稀疏恢复问题。理论分析和仿真结果表明,2D-GP-SOONE算法比2D平滑L0算法具有更好的性能。仿真结果表明,该算法比二维迭代自适应算法具有更好的性能和更少的计算时间。
Sequential order one negative exponential (SOONE) function is used.to measure the sparsity of a two-dimensional (2D) signal. A 2D gradient projection (GP) method is developed to solve the SOONE function.and thus the 2D-GP-SOONE algorithm is proposed. The algorithm can.solve the sparse recovery of 2D signals directly. Theoretical analysis.and simulation results show that the 2D-GP-SOONE algorithm has a.better performance compared with the 2D smoothed L0 algorithm..Simulation results also show that the proposed algorithm has a better.performance and requires less computation time than 2D iterative.adaptive approach.
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