POLARIZED POINT SCATTERERS: AN ALGORITHM FOR DETECTION USING ALOS-PALSAR DATA

被引：0
|
作者：
Cloude, Shane R.
机构：
来源：
2009 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM, VOLS 1-5 | 2009年
关键词：
Radar Polarimetry; ALOS-PALSAR; Point Target Detection;
D O I：
10.1109/IGARSS.2009.5417709
中图分类号：
P [天文学、地球科学];
学科分类号：
07 ;
摘要：
This paper deals with a new class of localized point targets we call polarized point scatterers (PPS). They can be detected from Quadpol SAR data by using a two-dimensional filter, employing an eigenvalue/alpha threshold. They can then be used to estimate the dielectric constant of the target using a simple scattering model. We first consider the basic performance of the filter based on selection of thresholds and data window size to keep false alarms to a desired low level. We then illustrate application of the filter to sample data sets from the ALOS-PALSAR archive, showing its important application to urban areas.
引用
收藏
页码：3575 / 3578
页数：4
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