A STOCHASTIC MODEL FOR VERY HIGH RESOLUTION SAR AMPLITUDE IMAGES OF URBAN AREAS

被引：0
|
作者：
Di Martino, Gerardo [1 ]
Iodice, Antonio [1 ]
Riccio, Daniele [1 ]
Ruello, Giuseppe [1 ]
机构：
[1] Univ Naples Federico II, I-80125 Naples, Italy
来源：
2014 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM (IGARSS) | 2014年
关键词：
SAR; urban areas; spectral estimation; BUILDINGS;
D O I：
10.1109/IGARSS.2014.6946581
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
For the new generation of spaceborne SAR sensors a resolution even better than one meter in the spotlight acquisition mode can be obtained. However, due to the involved electromagnetic mechanisms dictating SAR image formation, direct interpretation of very high-resolution (VHR) SAR images is not straightforward. In this paper, we propose the use of the power spectral density (PSD) for the analysis and interpretation of VHR SAR images of urban areas. In particular, we introduce a theoretical model of the PSD of such images, and then we test the validity of the developed model on one COSMO/SkyMed spotlight SAR image of the area of Naples, Italy. Finally, we show how the parameters of the obtained PSD can be related to meaningful physical observables of the imaged urban scene.
引用
收藏
页码：942 / 945
页数：4
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