SAR图像点目标的检测

被引:11
作者
万朋
王建国
赵志钦
黄顺吉
机构
[1] 电子科技大学电子工程系-!成都
关键词
SAR图像; 点目标检测; 恒虚警;
D O I
10.13443/j.cjors.2000.01.011
中图分类号
TN957.51 [雷达信号检测处理];
学科分类号
080904 ; 0810 ; 081001 ; 081002 ; 081105 ; 0825 ;
摘要
分析了在均匀杂波回波功率服从 Gamma分布条件下 SAR点目标检测 ,推导了点目标虚警概率和检测概率与阈值系数关系 ,提出了检测点目标阈值系数选择根据和方法。在杂波均值估计方面 ,提出了以全局均值代替局部动态均值。实际测试结果表明所提出的检测方法在检测效果和计算量方面都优于双参数恒虚警检测算法
引用
收藏
页码:55 / 59
页数:5
相关论文
共 10 条
[1]  
A New and Robust CFAR Detection Algorithm. Vassilis Anastassopoulos,George Lampropoulos. IEEE Transactions on Aerospace and Electronic Systems . 1992
[2]  
Effects of Polarization and Resolution on the Performance of a SAR Automatic Target Recognition System. Novak L M,Halversen S D,Owirka G J,et al. The Lincoln Laboratory Journal . 1995
[3]  
Target prescreening based on a quadratic gamma discriminator. Principe Jose C,Alex Radisavljevic,John Fisher Ⅲ,et al. IEEE Transactions on Aerospace and Electronic Systems . 1998
[4]  
Effects of Polarization and Resolution on SAR ATR. Novak L M,Halversen S D,Owirka G J,et al. IEEE Transactions on Aerospace and Electronic Systems . 1997
[5]  
Radar CFAR Thresholding in Clutter and Multiple Target Situations. Rohling H. IEEE Transactions on Aerospace and Electronic Systems . 1983
[6]  
Opti malpolari metric processing for enhanced target detection. NOVAK L M,BURL MC,IRVING W W. IEEE Transactions on Aerospace and ElectronicSystems . 1993
[7]  
A Mutiresolution Approach to Discrimination in SAR Imagery. W W Irving,L M Novak,A S Willsky. IEEE Transactions on Aerospace and Electronic Systems . 1997
[8]  
Target Detection with Synthetic Aperture Radar. Jian Li,Zelnio Edmund G. IEEE Transactions on Aerospace and Electronic Systems . 1996
[9]  
Lampropoulos.Optimal CFAR detection in Weibull clutter. Vassilis Anastassopoulos,George A. IEEE Transactions on Aerospace and Electronic Systems . 1995
[10]  
Detection perform ance of a meanlevel threshold. Steenson,B.O. IEEE Transactions on Aerospace andElectronic Systems . 1968