陆地ERS-1 SAR影像的多时相分析

Proceedings of IGARSS '93 - IEEE International Geoscience and Remote Sensing Symposium Pub Date : 1993-08-18 DOI:10.1109/IGARSS.1993.322741

D. Weydahl

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引用次数: 9

摘要

ERS-1 SAR图像只有一个频率和偏振。因此，对地物进行分析和分类是一项艰巨的任务。然而，结合同一区域不同时间获取的多幅SAR图像，整体分类结果有所提高。然而，这一结果在很大程度上取决于图像组合、图像数量和使用的散斑滤波方法。多时相分析也可用于增加整个季节不同植被和地表类型的雷达后向散射的知识。

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Multitemporal analysis of ERS-1 SAR images over land areas

ERS-1 SAR images have only one frequency and polarization. Analysis and classification of ground features is thus a difficult task. However, combining several SAR images acquired at different times over the same area, shows an increase in the overall classification result. However, this result depends highly on the image combination, number of images, and speckle filter method used. Multitemporal analysis may also be used to increase knowledge of radar backscatter from different vegetation and surface categories throughout the season.<>

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Proceedings of IGARSS '93 - IEEE International Geoscience and Remote Sensing Symposium

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