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21 July 2017 Radar correlated imaging for extended target by the combination of negative exponential restraint and total variation
Tingting Qian, Lianlian Wang, Guanghua Lu
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Proceedings Volume 10420, Ninth International Conference on Digital Image Processing (ICDIP 2017); 1042036 (2017) https://doi.org/10.1117/12.2281689
Event: Ninth International Conference on Digital Image Processing (ICDIP 2017), 2017, Hong Kong, China
Abstract
Radar correlated imaging (RCI) introduces the optical correlated imaging technology to traditional microwave imaging, which has raised widespread concern recently. Conventional RCI methods neglect the structural information of complex extended target, which makes the quality of recovery result not really perfect, thus a novel combination of negative exponential restraint and total variation (NER-TV) algorithm for extended target imaging is proposed in this paper. The sparsity is measured by a sequential order one negative exponential function, then the 2D total variation technique is introduced to design a novel optimization problem for extended target imaging. And the proven alternating direction method of multipliers is applied to solve the new problem. Experimental results show that the proposed algorithm could realize high resolution imaging efficiently for extended target.
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Tingting Qian, Lianlian Wang, and Guanghua Lu "Radar correlated imaging for extended target by the combination of negative exponential restraint and total variation", Proc. SPIE 10420, Ninth International Conference on Digital Image Processing (ICDIP 2017), 1042036 (21 July 2017); https://doi.org/10.1117/12.2281689
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KEYWORDS
Radar
Radar imaging
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