从SAR图像中提取高反射率区域

International Conference on Recent Advances in Space Technologies, 2003. RAST '03. Proceedings of Pub Date : 1900-01-01 DOI:10.1109/RAST.2003.1303997

C. Erbas, S. Kent

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引用次数: 0

摘要

本文提出了一种从合成孔径雷达图像中提取高反射率区域的方法。采用宽聚焦算法重建的ERS-2振幅图像，拍摄于土耳其伊斯坦布尔。在研究过程中，考虑了统计学的观点。通过比较阈值和由3/spl × /3滑动窗口计算的站点的局部平均值来检测高反射率区域。研究的结果是，通过给定的方法对土耳其伊斯坦布尔博斯普鲁斯海峡的ERS-2图像确定的高反射率区域清晰可见。给出了图像提取过程中所需的总均值、总标准差等参数，并绘制了图像的直方图。提出了一种用于图像重建的宽聚焦算法。

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Extraction of high reflectance regions from a SAR image

In this study, a technique for extraction of high reflectance regions from synthetic aperture radar images is presented. ERS-2 amplitude images which are reconstructed via wide focusing algorithm for Istanbul, Turkey are used. During the study, a statistical point of view is considered. High reflectance regions are detected by comparing the threshold value and the local means of sites which are calculated by a 3/spl times/3 sliding window. As a result of the study, high reflectance areas which are determined via given approach for the ERS-2 image of Bosphorus, Istanbul, Turkey are clearly visible. Parameters such as total mean and total standard deviation of the image that are needed for the extraction process are given, and histogram of the image is plotted. Wide focus algorithm which is used for the reconstruction of the image is also presented.

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International Conference on Recent Advances in Space Technologies, 2003. RAST '03. Proceedings of

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