基于对数螺旋边缘拟合的SAR图像涡流信息提取方法

Q2 Physics and Astronomy

雷达学报 Pub Date : 2013-04-01 DOI:10.3724/SP.J.1300.2013.13004

Yang Min, Chong Jin-song

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引用次数: 4

摘要

合成孔径雷达(SAR)为涡流的研究提供了丰富的数据。如何有效地从SAR图像中提取涡流信息是一个非常重要的问题。本文提出了一种基于对数螺旋边缘拟合的SAR图像信息提取方法，该方法能够提取出漩涡中心、漩涡直径和漩涡边缘的大小。基于该方法，对ENVISAT ASAR和ERS-2采集的SAR图像序列进行了涡信息提取实验。可以获得与两个涡流及其运动有关的信息。通过与伪彩色合成结果的比较，验证了该方法的有效性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A Method Based on Logarithmic Spiral Edge Fitting for Information Extraction of Eddy in the SAR Image

: Synthetic Aperture Radar (SAR) provides abundant data for the research of eddies. It is important to effectively extract the information of eddies from the SAR images. In this paper, we present a method based on logarithmic spiral edge fitting for the extraction of information from SAR images, and it is capable of extracting the eddy center, eddy diameter, and the size of the eddy edge. Based on this method, an experiment is conducted to extract eddy information from a sequence of SAR images acquired by ENVISAT ASAR and ERS-2. The information pertaining to two eddies and their movements can be obtained. The validity of the method can be verified by making comparisons with the pseudo-color composite results.

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来源期刊

雷达学报 Physics and Astronomy-Instrumentation

CiteScore

4.10

自引率

0.00%

发文量

882

期刊介绍： Information not localized