Analiza samodejne metode za generiranje digitalnih modelov reliefa iz podatkov lidar na območju Slovenije

The analys is of an automatic method for digital terrain model generation from lidar data on Slovenian test cases

Author(s):

Domen Mongus, Mihaela Triglav Čekada, Borut Žalik

Abstract:

This paper reviews two methods for digital terrain model generation from LiDAR data in test cases in Slovenia; both methods are based on concepts of mathematical morphology. A general overview of methods is given in the introduction, one of which is presented in more detail. The results show that both methods are able to correctly extract terrain points in more than 90% of the cases and are, therefore, suitable for usage even for such geographically diverse regions as Slovenia. Although the accuracy of both methods is comparable in cases of flat areas, the described method performs significantly better in problematic cases, such as hilly areas with relatively steep variable slopes, and terrains containing terraces. Even in these cases, the average absolute height error is not higher than 15 cm.

Keywords:

laser scanning, lidar, digital terrain model, remote sensing

DOI: 10.15292/geodetski-vestnik.2013.02.045-259

Citation:

Domen Mongus, Mihaela Triglav Čekada, Borut Žalik (2013). Analiza samodejne metode za generiranje digitalnih modelov reliefa iz podatkov lidar na območju Slovenije. | The analys is of an automatic method for digital terrain model generation from lidar data on Slovenian test cases. Geodetski vestnik, 57 (2), 45-259. DOI: 10.15292/geodetski-vestnik.2013.02.045-259