Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Xianquan Han"'
Autor:
Xijiang Chen, Qing An, Bufan Zhao, Wuyong Tao, Tieding Lu, Han Zhang, Xianquan Han, Emirhan Ozdemir
Publikováno v:
Drones, Vol 8, Iss 6, p 239 (2024)
The extraction of UAV building point cloud contour points is the basis for the expression of a three-dimensional lightweight building outline. Previous unmanned aerial vehicle (UAV) building point cloud contour extraction methods have mainly focused
Externí odkaz:
https://doaj.org/article/d98831252d3049ec8cc3a680421663a8
Publikováno v:
Applied Sciences, Vol 13, Iss 19, p 10804 (2023)
Point cloud deep learning networks have been widely applied in point cloud classification, part segmentation and semantic segmentation. However, current point cloud deep learning networks are insufficient in the local feature extraction of the point
Externí odkaz:
https://doaj.org/article/b935c4929aed432faabb9cc742f9dd25
Publikováno v:
IEEE Access, Vol 5, Pp 26734-26742 (2017)
This paper presents an effective approach for rock mass discontinuity extraction based on the terrestrial LiDAR scanning 3-D point clouds. First, a Quadtree-Octree index method that retained the adjacency relationship of rock point clouds was propose
Externí odkaz:
https://doaj.org/article/28504b56056b4632b8cb95a888291948
Publikováno v:
Water, Vol 10, Iss 7, p 830 (2018)
Mountain torrent disasters are common natural hazards that occur in mountainous terrains. The risk assessment of mountain torrent disasters entails a multi-criteria decision-making process and involves a transformation between qualitative and quantit
Externí odkaz:
https://doaj.org/article/ce00926407e6464e8e65be53ca55adbb
Publikováno v:
Sensors, Vol 17, Iss 6, p 1363 (2017)
Satellite orbit and clock corrections are always treated as known quantities in GPS positioning models. Therefore, any error in the satellite orbit and clock products will probably cause significant consequences for GPS positioning, especially for re
Externí odkaz:
https://doaj.org/article/273ceb3dc2ee420f9303564d522419de
Publikováno v:
Information Sciences. 607:1111-1135
Publikováno v:
Journal of the Franklin Institute.
Publikováno v:
Applied Mathematical Modelling. 40:5171-5182
Shield tunneling method is widely adopted in tunneling projects. Analysis of ground settlement is required as an effective way for minimizing the potential damage caused by tunneling. Many efforts have been devoted for this purpose using various meth
Publikováno v:
Water, Vol 10, Iss 7, p 830 (2018)
Water
Volume 10
Issue 7
Water
Volume 10
Issue 7
Mountain torrent disasters are common natural hazards that occur in mountainous terrains. The risk assessment of mountain torrent disasters entails a multi-criteria decision-making process and involves a transformation between qualitative and quantit
Publikováno v:
Proceedings of the 4th IIAE International Conference on Intelligent Systems and Image Processing 2016.
Hyperspectral image usually possesses complicated conditions of land-cover distribution, which brings challenge to achieve an effective background representation for hyperspectral anomaly detection. Sparse learning gives a way to overcome this obstac