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首页> 外文期刊>IEEE Geoscience and Remote Sensing Letters >Rice-Planted Area Mapping Using Small Sets of Multi-Temporal SAR Data
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Rice-Planted Area Mapping Using Small Sets of Multi-Temporal SAR Data

机译:使用小型多时相SAR数据集的水稻种植面积图

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摘要

A rice-planted area map is a basic information resource for rice production management. Synthetic aperture radar (SAR) is an appropriate technique for rice mapping and so far is mostly based on extracting time series changes of backscattering $(sigma^{0})$ in a rice-planted area. However, sometimes there is not enough data to extract the $sigma^{0}$ curve for the area. To overcome this problem of a lack of data, we propose a method to detect rice-planted area by using small sets of multi-temporal SAR data. This method also addresses the fluctuation of $sigma^{0}$ values between SAR measurements. We have applied the method using multi-temporal ALOS/PALSAR data acquired over five years during the dry season. The rice-planted area was well detected and the viability of this method was demonstrated.
机译:水稻种植面积图是水稻生产管理的基本信息资源。合成孔径雷达(SAR)是一种适用于水稻作图的技术,到目前为止,它主要是基于提取反向散射的时间序列变化 $(sigma ^ {0}) $ 在水稻种植区。但是,有时没有足够的数据来提取该区域的 $ sigma ^ {0} $ 曲线。为了克服数据缺乏的问题,我们提出了一种方法,该方法通过使用少量的多时间SAR数据集来检测水稻种植面积。此方法还解决了SAR测量之间 $ sigma ^ {0} $ 值的波动。我们已使用干旱季节在五年内获取的多时间ALOS / PALSAR数据应用了该方法。很好地检测了水稻种植面积,并证明了该方法的可行性。

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