Autofocus for 3D Imaging with Multipass SAR

被引：2

作者：

Boss, Noah ^{[1
]}

Ertin, Emre ^{[1
]}

Moses, Randolph ^{[1
]}

机构：

[1] Ohio State Univ, Dept Elect & Comp Engn, Columbus, OH 43210 USA

来源：

ALGORITHMS FOR SYNTHETIC APERTURE RADAR IMAGERY XVII | 2010年 / 7699卷

关键词：

synthetic aperture radar; interferometric SAR; GOTCHA; multipass 3D SAR; registration; coherence factor; autofocus;

D O I：

10.1117/12.855948

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The emergence of 3D imaging from multipass radar collections motivates the need for 3D autofocus. While several effective methods exist to coherently align radar pulses for 2D image formation from a single elevation pass, further methods are needed to appropriately align radar collection surfaces from pass to pass. We propose one such method of 3D autofocus involving the optimization of a coherence factor metric for the dominant scatterers in an image scene. This method is demonstrated using a diffuse target from a multipass collection of circular SAR data.

引用

页数：11

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