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Terrain Matching Based on Imaging Laser Radar

机译:基于成像激光雷达的地形匹配

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摘要

In this paper, a terrain aided navigation using range image from imaging laser radar is presented. A real-time terrain elevation map is generated from range image. Because of undulate terrain, the recovered terrain elevation map is non-uniformly. It need to be re-sampled. Ridge lines are extracted as basic 3D terrain features. Hausdorff distance between planar sets of points is known to be a good method to compare binary images. We present here an algorithm to match terrain using the modified Hausdorff distance as the measure of the different between two images. The experimental result shows that the proposed method is effective for terrain matching.
机译:在本文中,提出了一种使用来自成像激光雷达的距离图像进行地形辅助导航的方法。根据距离图像生成实时地形高程图。由于地形起伏很大,因此恢复的地形高程图不均匀。需要重新采样。脊线被提取为基本的3D地形特征。平面点集之间的Hausdorff距离是比较二值图像的好方法。我们在这里提出一种算法,使用修改后的Hausdorff距离作为两幅图像之间差异的度量来匹配地形。实验结果表明,该方法对地形匹配是有效的。

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