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Modified Method of Passive Millimeter-wave Imaging Super-resolution Reconstruction
Author(s): 
Pages: 21-23,27
Year: Issue:  13
Journal: Video Engineering

Keyword:  passive millimeter-wave imagingnon-convex shrinking iterationsuper-resolutionimage restoration;
Abstract: 针对毫米波成像时,由于天线孔径受限使得获取的图像空间分辨率很低、高频信息损失严重的问题,提出一种改进的非凸集投影超分辨算法.该算法以非凸集阈值收缩迭代算法(Non-convex Shrinking Iteration,NCSHI)为基础,采用具有平移不变特性的双树复数小波作为稀疏基,引入了两步迭代过程,有效地利用了前两次的迭代信息.实验仿真结果表明,该算法有效地改善了伪吉布斯效应,收敛速度更快,具有良好的超分辨性能.
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