本文提出了舰船目标吨位识别的四维特征向量，设计出完整的二叉树分类器。
This paper gives characteristic vectors of four dimensions for target tonnage identification and design of binary tree classifiers pattern recognition.
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.
同时还对舰船目标的观察空间进行形态划分，减少目标表示所需图像数量，提高识别效率。
The horizontal viewing sphere of ship target is divided into several aspects so as to reduce the amount of descriptive images and improve the recognition efficiency.
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