考虑到港口几何布局稳定的特点，提出了一套基于地理信息的舰船目标检测算法。

In view of the stability of the geometric layout of harbor, an automatic ship detection method based on geographic information is presented.

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利用多重分形的概念对海杂波和舰船雷达目标回波进行了分析，并提取出其多重分形特征用于舰船目标检测。

In this paper, sea clutter and radar echoes from ship targets are analyzed with the concept of multifractal, and their multifractal dimensions are extracted for detection of ship targets.

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对数据处理的结果表明，该方法能够有效、快速、准确地检测到SAR海洋图像中的舰船目标。

The results of data processing show that the method is efficient, fast and accurate to detect the ship targets in SAR images.

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