Results 1 to 10 of about 287,687 (294)

Photogrammetric UAV Mapping of Terrain under Dense Coastal Vegetation: An Object-Oriented Classification Ensemble Algorithm for Classification and Terrain Correction

Remote Sensing, 2017
Photogrammetric UAV sees a surge in use for high-resolution mapping, but its use to map terrain under dense vegetation cover remains challenging due to a lack of exposed ground surfaces. This paper presents a novel object-oriented classification ensemble
Xuelian Meng, Nan Shang, Xukai Zhang, Chunyan Li, Kaiguang Zhao, Xiaomin Qiu, Eddie Weeks   +6 more
doaj   +3 more sources

Effective Identification of Terrain Positions from Gridded DEM Data Using Multimodal Classification Integration

ISPRS International Journal of Geo-Information, 2018
Terrain positions are widely used to describe the Earth’s topographic features and play an important role in the studies of landform evolution, soil erosion and hydrological modeling.
Ling Jiang, Dequan Ling, Mingwei Zhao, Chun Wang, Qiuhua Liang, Kai Liu   +5 more
doaj   +1 more source

Analysis and Classification of SAR Textures Using Information Theory

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2021
The use of Bandt–Pompe probability distributions and descriptors of information theory has been presenting satisfactory results with low computational cost in the time series analysis literature [1]–[3].
Eduarda T. C. Chagas, Alejandro C. Frery, Osvaldo A. Rosso, Heitor S. Ramos   +3 more
doaj   +1 more source

What Lies Beneath One’s Feet? Terrain Classification Using Inertial Data of Human Walk

Applied Sciences, 2019
The objective of this study was to investigate if the inertial data collected from normal human walk can be used to reveal the underlying terrain types.
Muhammad Zeeshan Ul Hasnain Hashmi, Qaiser Riaz, Mehdi Hussain, Muhammad Shahzad   +3 more
doaj   +1 more source

A Robust Polarmetric SAR Terrain Classification Based on Sparse Deep Autoencoder Model Combined With Wavelet Kernel-Based Classifier

IEEE Access, 2020
Since the existing terrain classification algorithm based on deep learning is not ideal for unbalanced PolSAR classification, a effective terrain classification algorithm based on wavelet kernel sparse deep coding network under unbalanced data set is ...
Xiangdong Chen, Jianghong Deng
doaj   +1 more source

Geo-environmental mapping using physiographic analysis: constraints on the evaluation of land instability and groundwater pollution hazards in the Metropolitan District of Campinas, Brazil [PDF]

, 2010
Geo-environmental terrain assessments and territorial zoning are useful tools for the formulation and implementation of environmental management instruments (including policy-making, planning, and enforcement of statutory regulations).
A Cendrero, A Finlayson, A-X Zhu, A-X Zhu, AD Howard, AJ Fernandes, AJ Fernandes, Amelia Joao Fernandes, Claudio Jose Ferreira, CW Mitchell, EAC Abella, FA Akiwumi, FF Sabins Jr, G Câmara, G Câmara, H Schmidt, H Tamura, HTh Verstappen, ID Moore, John Canning Cripps, JSY Wang, LT Aller, LV Zuquette, Maria Jose Brollo, MR Bennett, Paulo Cesar Fernandes-da-Silva, PC Fernandes Da Silva, PC Fernandes Da Silva, PC Soares, R Latifovic, Ricardo Vedovello, RJ Pine, S Sahay, SE Hill, SF Thornton, T Harris, T Lillesand, TE Beaumont, X Shi, Z Nedovic-Budic   +39 more
core   +1 more source

An online terrain classification framework for legged robots based on acoustic signals

Biomimetic Intelligence and Robotics, 2023
Terrain classification information is of great significance for legged robots to traverse various terrains. Therefore, this communication presents an online terrain classification framework for legged robots, utilizing the acoustic signals produced ...
Daoling Qin, Guoteng Zhang, Zhengguo Zhu, Xianwu Zeng, Jingxuan Cao   +4 more
doaj   +1 more source

Terrain Classification from Body-mounted Cameras during Human Locomotion [PDF]

, 2015
—This paper presents a novel algorithm for terrain type classification based on monocular video captured from the viewpoint of human locomotion. A texture-based algorithm is developed to classify the path ahead into multiple groups that can be used to ...
Anantrasirichai, N, Bull, David, Burn, J
core   +3 more sources

Polarimetric SAR Terrain Classification Using Polarimetric Features Derived from Rotation Domain

Leida xuebao, 2017
Terrain classification is an important application for understanding and interpreting Polarimetric Synthetic Aperture Radar (PolSAR) images. One common PolSAR terrain classification uses roll-invariant feature parameters such as H/A/a/SPAN.
Tao Chensong, Chen Siwei, Li Yongzhen, Xiao Shunping   +3 more
doaj   +1 more source

Terrain Preview Detection and Classification in Unstructured Scenes Based on Vision and Laser Fusion With Deep Learning

IEEE Access
The safety and ride comfort of the emergency rescue vehicle can be improved greatly when the prior knowledge of the terrain in front of the vehicle is used as the active suspension input.
Lili Wang, Shihao Li, Fei Yang, Xumin Jiang, Zihao Chen, Kai Miao, Lei Zhao, Junqing Gao   +7 more
doaj   +1 more source