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Visualization of Features in 3D Terrain [PDF]

ISPRS International Journal of Geo-Information, 2017
In 3D terrain analysis, topographical characteristics, such as mountains or valleys, and geo-spatial data characteristics, such as specific weather conditions or objects of interest, are important features.
Steve Dübel, Heidrun Schumann
doaj   +4 more sources

Partitioning of Terrain Features Based on Roughness [PDF]

Remote Sensing, 2018
Surface roughness is a key parameter that reflects topographic characteristics and influences surface processes, and characterization of surface roughness is a fundamental problem in geoscience.
Jiang Wu, Qinke Yang, Yuru Li
doaj   +4 more sources

Highly Accurate Visual Method of Mars Terrain Classification for Rovers Based on Novel Image Features

Entropy, 2022
It is important for Mars exploration rovers to achieve autonomous and safe mobility over rough terrain. Terrain classification can help rovers to select a safe terrain to traverse and avoid sinking and/or damaging the vehicle.
Fengtian Lv, Nan Li, Chuankai Liu, Haibo Gao, Liang Ding, Zongquan Deng, Guangjun Liu   +6 more
doaj   +3 more sources

Generating Terrain Data for Geomorphological Analysis by Integrating Topographical Features and Conditional Generative Adversarial Networks

Remote Sensing, 2022
With the development of artificial intelligence techniques for geographical knowledge discovery, simulated terrain generation based on deep-learning algorithms has become one practical way to construct accurate terrain data.
Sijin Li, Ke Li, Liyang Xiong, Guoan Tang   +3 more
doaj   +3 more sources

A Method for Extracting Some Key Terrain Features from Shaded Relief of Digital Terrain Models

Remote Sensing, 2020
Detection of terrain features (ridges, spurs, cliffs, and peaks) is a basic research topic in digital elevation model (DEM) analysis and is essential for learning about factors that influence terrain surfaces, such as geologic structures and ...
Meirman Syzdykbayev, Bobak Karimi, Hassan A. Karimi   +2 more
doaj   +3 more sources

Accuracy Verification of Airborne Large-Footprint Lidar based on Terrain Features

Remote Sensing, 2020
Accuracy verification of airborne large-footprint lidar data is important for proper data application but is difficult when ground-based laser detectors are not available.
Weiqi Lian, Shaoning Li, Guo Zhang, Yanan Wang, Xinyang Chen, Hao Cui   +5 more
doaj   +3 more sources

Hexapod robot motion planning investigation under the influence of multi-dimensional terrain features [PDF]

Frontiers in Neurorobotics
To address the challenges arising from the coupled interactions between multi-dimensional terrain features—encompassing both geometric and physical properties of complex field environments—and the locomotion stability of hexapod robots, this paper ...
Chen Chen, Chen Chen, Junbo Lin, Junbo Lin, Bo You, Bo You, Jiayu Li, Jiayu Li, Biao Gao, Biao Gao   +9 more
doaj   +2 more sources

A Contour Line Group Simplification Method Based on Classified Terrain Features

ISPRS International Journal of Geo-Information, 2023
Contour line group simplification methods can effectively preserve terrain features during map making and producing. This process involves two main steps, namely terrain feature line extraction and contour bend selection.
Yuanfu Li, Qun Sun, Wenyue Guo, Qing Xu, Xinming Zhu   +4 more
doaj   +3 more sources

A Terrain Perception Method for Quadruped Robots Based on Acoustic Signal Fusion [PDF]

Sensors
In unstructured environments, terrain perception is essential for stability and environmental awareness of Quadruped robot locomotion. Existing approaches primarily rely on visual or proprioceptive signals, but their effectiveness is limited under ...
Meng Hong, Nian Wang, Xingyu Liu, Chao Huang, Ganchang Li, Zijian Li, Shuai Shu, Ruixuan Chen, Jincheng Sheng, Zhongren Wang, Sijia Guan, Min Guo   +11 more
doaj   +2 more sources

Integrating topographic features and patch matching into point cloud restoration for terrain modelling

International Journal of Digital Earth, 2023
Point clouds are widely used in Earth surface research but usually exhibit gaps of missing data. Previous point cloud restoration methods used in terrain modelling have not fully considered complex terrain characteristics, which can be summarised as the ...
Jun Chen, Liyang Xiong, Guoan Tang, Guanghui Hu, Hong Wei, Fei Zhao, Lei Zhou   +6 more
doaj   +3 more sources