针对单一背景的海岛合成孔径雷达（SAR）图像，提出一种基于图像分割的图像匹配方法。
From SAR-images of island against single background, an image matching method based on image segmentation is proposed. Five processes were used in the algorithm: a.
文本具有特定的格式，比如字体、字体大小和间隔，所以文本可以叠加在背景图像上，形成单一图像的效果。
The text has a specific formatting, such as font, font size, and spacing, so that it can sit on the background image and give an impression of a single image.
因为相对于单一的背景，他有一个边缘分明的外观，所以，使用多边形套索工具选取他是十分容易的。
As he is a hard edged surface against a flat background it should be fairly easy to select him using the Polygonal Lasso Tool.
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