Results 11 to 20 of about 8,032,225 (166)

DEM Generation from GF-7 Satellite Stereo Imagery Assisted by Space-Borne LiDAR and Its Application to Active Tectonics

Remote Sensing, 2023
China’s first optical stereo mapping satellite with a sub-meter resolution, GaoFen-7 (GF-7), launched in November 2019, shows significant potential for providing high-resolution topographic and geomorphic data for quantitative research on active ...
Xiaoxiao Zhu, Zhikun Ren, Sheng Nie, Guodong Bao, Guanghao Ha, Mingkun Bai, Peng Liang   +6 more
doaj   +4 more sources

Registration and Combined Adjustment for the Laser Altimetry Data and High-Resolution Optical Stereo Images of the GF-7 Satellite

Remote Sensing, 2022
The GF-7 satellite is China’s first civil sub-meter resolution stereo mapping satellite, aiming at 1:10,000-scale mapping. To achieve this goal, apart from the stereo optical cameras that reach sub-meter resolution, the GF-7 satellite is equipped with a ...
Jiyi Chen, Xinming Tang, Yucai Xue, Guoyuan Li, Xiaoqing Zhou, Liuru Hu, Shuaitai Zhang   +6 more
doaj   +4 more sources

Building Height Extraction from GF-7 Satellite Images Based on Roof Contour Constrained Stereo Matching

Remote Sensing, 2022
Building height is one of the basic geographic information for planning and analysis in urban construction. It is still very challenging to estimate the accurate height of complex buildings from satellite images, especially for buildings with podium ...
Chenni Zhang, Yunfan Cui, Zeyao Zhu, San Jiang, Wanshou Jiang   +4 more
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Forest terrain and canopy height estimation using stereo images and spaceborne LiDAR data from GF-7 satellite

Geo-spatial Information Science, 2023
Accurate estimation of forest terrain and canopy height is crucial for timely understanding of forest growth. Gao Fen-7 (GF-7) Satellite is China’s first sub-meter-level three-dimensional (3D) mapping satellite for civilian use, which was equipped with a
Liming Du, Yong Pang, Wenjian Ni, Xiaojun Liang, Zengyuan Li, Juan Suarez, Wei Wei   +6 more
doaj   +4 more sources

Satellite Laser Altimetry Data-Supported High-Accuracy Mapping of GF-7 Stereo Images

Remote Sensing, 2022
GaoFen 7 (GF-7) is China’s first submeter high-resolution stereo mapping satellite with dual-linear-array cameras and a laser altimeter system onboard for high-precision mapping.
Changru Liu, Ximin Cui, Li Guo, Ling Wu, Xinming Tang, Shuhan Liu, Debao Yuan, Xia Wang   +7 more
doaj   +4 more sources

Research on key factors of satellite laser pointing calibration based on terrain matching: a case of GF-7 satellite

Geocarto International
The satellite laser geometry calibration method based on terrain matching (terrain matching calibration) has been extensively employed in satellite laser geometry calibration for its simplicity and lack of need for ground probes.
Chaopeng Xu, Junfeng Xie, Fan Mo, Ren Liu, Xiaomeng Yang   +4 more
doaj   +3 more sources

Geographically-Informed Modeling and Analysis of Platform Attitude Jitter in GF-7 Sub-Meter Stereo Mapping Satellite

ISPRS International Journal of Geo-Information
The GF-7 satellite, China’s inaugural sub-meter-level stereoscopic mapping satellite, has been deployed for a wide range of applications, including natural resource investigation, environmental monitoring, fundamental surveying, and the development of ...
Haoran Xia, Xinming Tang, Fan Mo, Junfeng Xie, Xiang Li   +4 more
doaj   +3 more sources

Developing a Method to Extract Building 3D Information from GF-7 Data

Remote Sensing, 2021
The three-dimensional (3D) information of buildings can describe the horizontal and vertical development of a city. The GaoFen-7 (GF-7) stereo-mapping satellite can provide multi-view and multi-spectral satellite images, which can clearly describe the ...
Jingyuan Wang, Xinli Hu, Qingyan Meng, Linlin Zhang, Chengyi Wang, Xiangchen Liu, Maofan Zhao   +6 more
doaj   +2 more sources

Cloud Detection and Centroid Extraction of Laser Footprint Image of GF-7 Satellite Laser Altimetry [PDF]

Journal of Geodesy and Geoinformation Science, 2021
The laser altimeter loaded on the GaoFen-7(GF-7) satellite is designed to record the full waveform data and footprint image, which can obtain high-precision elevation control points for stereo image.
Jiaqi YAO,Guoyuan LI,Jiyi CHEN,Genghua HUANG,Xiongdan YANG,Shuaitai ZHANG
doaj   +2 more sources

Research on the Control Point Extraction Method of Chinese Gaofen 7 Satellite Using Altimeter and Footprint Camera [PDF]

EPJ Web of Conferences, 2020
Satellite laser altimetry is one of the most advanced information acquisition technologies in Earth observation system. It can provide high-accuracy elevation information, however, due to the lack of detail intensity information, its planimetric accuracy
Li Binbin, Xie Huan, Tong Xiaohua, Cai Yinqiao, Zhang Zhijie   +4 more
doaj   +4 more sources