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Effects of polarization and resolution on SAR ATR

机译:极化和分辨率对SAR ATR的影响

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摘要

Lincoln Laboratory is investigating the detection and classification of stationary ground targets using high resolution, fully polarimetric, synthetic aperture radar (SAR) imagery. A study is summarized in which data collected by the Lincoln Laboratory 33 GHz SAR were used to perform a comprehensive comparison of automatic target recognition (ATR) performance for several polarization/resolution combinations. The Lincoln Laboratory baseline ATR algorithm suite was used, and was optimized for each polarization/resolution case. Both the HH polarization alone and the optimal combination of HH, HV, and VV were evaluated; the resolutions evaluated were 1 ft×1 ft and 1 m×1 m. The data set used for this study contained approximately 74 km2 of clutter (56 km2 of mixed clutter plus 18 km2 of highly cultural clutter) and 136 tactical target images (divided equally between tanks and howitzers).
机译:林肯实验室正在研究使用高分辨率,全偏振,合成孔径雷达(SAR)图像对固定地面目标的检测和分类。总结了一项研究,其中使用林肯实验室33 GHz SAR收集的数据对几种偏振/分辨率组合进行自动目标识别(ATR)性能的全面比较。使用了林肯实验室基准线ATR算法套件,并针对每种偏振/分辨率情况进行了优化。评估了单独的HH极化和HH,HV和VV的最佳组合。评估的分辨率为1 ft×1 ft和1 m×1 m。这项研究使用的数据集包含约74 km2的杂波(56 km2的混合杂波加上18 km2的高度文化杂波)和136个战术目标图像(在战车和榴弹炮之间平均分配)。

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