Recognition of SAR images with enhanced scattering centers under extended operating conditions.

被引：0
|
作者：
Khoury, J [1 ]
Gianino, PD [1 ]
Woods, CL [1 ]
机构：
[1] USAF, Res Lab, SNHC, Hanscom AFB, MA 01731 USA
来源：
OPTICAL PATTERN RECOGNITION XII | 2001年 / 4387卷
关键词：
pattern recognition; correlation; correlators; spatial filtering; SAR; MSTAR data; heteroassociation;
D O I：
10.1117/12.421133
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
In this paper we introduce the mean-square-error correlation filter for obscured targets. We derive from this algorithm that the DC-blocked phase-only filter is the best practical approximation to this filter for recognizing SAR images with enhanced scattering centers for both inputs and templates. The performance of the DC-blocked phase-only filter is tested in the recognition of SAR images from the MSTAR data base under extended and non-extended operating conditions. The heterogeneous correlation filter algorithm used to correlate totally different images is utilized to correlate distorted images under extended operating conditions.
引用
收藏
页码：126 / 139
页数：14
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