DEM Generation from GF-7 Satellite Stereo Imagery Assisted by Space-Borne LiDAR and Its Application to Active Tectonics [PDF]
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 +6 more
doaj +3 more sources
Building Height Extraction from GF-7 Satellite Images Based on Roof Contour Constrained Stereo Matching [PDF]
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 +4 more
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Registration and Combined Adjustment for the Laser Altimetry Data and High-Resolution Optical Stereo Images of the GF-7 Satellite [PDF]
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 +6 more
doaj +3 more sources
Forest terrain and canopy height estimation using stereo images and spaceborne LiDAR data from GF-7 satellite [PDF]
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 +6 more
doaj +3 more sources
Satellite Laser Altimetry Data-Supported High-Accuracy Mapping of GF-7 Stereo Images [PDF]
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 +7 more
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Recognizing Urban Functional Zones by GF-7 Satellite Stereo Imagery and POI Data [PDF]
Applied Sciences, 2023 The identification of urban functional zones (UFZs) is crucial for urban planning and optimizing industrial layout. Fusing remote sensing images and social perception data is an effective way to identify UFZs.
Zhenhui Sun +5 more
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Research on key factors of satellite laser pointing calibration based on terrain matching: a case of GF-7 satellite [PDF]
Geocarto InternationalThe 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 +4 more
doaj +3 more sources
Geographically-Informed Modeling and Analysis of Platform Attitude Jitter in GF-7 Sub-Meter Stereo Mapping Satellite [PDF]
ISPRS International Journal of Geo-InformationThe 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 +4 more
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Developing a Method to Extract Building 3D Information from GF-7 Data [PDF]
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 +6 more
doaj +2 more sources
A Method for Extracting High-Resolution Building Height Information in Rural Areas Using GF-7 Data [PDF]
SensorsBuilding height is important information in disaster management and damage assessment. It is also a key parameter in studies such as population modeling and urbanization.
Mingbo Liu +5 more
doaj +4 more sources