Results 11 to 20 of about 7,632,940 (263)
Accuracy Comparison and Assessment of DSM Derived from GFDM Satellite and GF-7 Satellite Imagery [PDF]
Remote Sensing, 2021 Digital Surface Model (DSM) derived from high resolution satellite imagery is important for various applications. GFDM is China’s first civil optical remote sensing satellite with multiple agile imaging modes and sub-meter resolution.
Xiaoyong Zhu +4 more
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On-Orbit Geometric Calibration and Accuracy Validation for Laser Footprint Cameras of GF-7 Satellite
Remote Sensing, 2022 The Gaofen-7 (GF-7) satellite uses a two-beam laser altimetry system in which each beam is equipped with a laser footprint camera (LFC) to provide geometric processing of the laser footprint images that assist in optical image stereo mapping.
Jiyi Chen +6 more
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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
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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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KEY TECHNOLOGIES FOR 1:10,000 RAPID MAPPING BASED ON GF-7 SATELLITE [PDF]
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2023 In order to solve the problems of low efficiency, high cost and long cycle of the traditional 1:10000 basic geographic information data production method (aerial photography combined with field mapping), this paper proposes a 1:10000 rapid mapping method
J. W. Liu +5 more
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PRELIMINARY QUALITY ANALYSIS OF GF-7 SATELLITE LASER ALTIMETER FULL WAVEFORM DATA [PDF]
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2020 The full-waveform data is the core data of GaoFen-7 (GF-7) satellite laser altimeter, and evaluation of waveform data quality is an important step and premise for satellite laser altimetry and quality control.
G. Li +12 more
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Evaluation of the Accuracy of Extraction of Slope and Length Based on DEM of GF-7 Satellite
Shuitu Baochi Xuebao[Objective] Slope and slope length are essential topographic factors, and their calculation accuracy directly affects the evaluation accuracy of slope soil erosion model. The high-precision elevation measurement capability of Gaofen-7 satellite has great
ZHAO Yunlong, FU Suhua
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Geo-spatial Information ScienceAccurate 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
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Study on the Application of Water Resource Management Based on GF-7 Stereo Mapping Satellite [PDF]
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information SciencesGF-7 satellite was successfully launched on 3 Nov 2019. The two-line stereo camera can effectively obtain 20 km-width panchromatic stereo images with resolution better than 0.8m and 3.2m-resolution multispectral images. Through the composite mapping mode
K. Liu, L. Liu, Z. Luo, Y. Gan
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APPLICATION ORIENTED QUALITY EVALUATION OF GAOFEN-7 OPTICAL STEREO SATELLITE IMAGERY [PDF]
ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2022 GaoFen-7 (GF-7) satellite mission is further expanding the very high resolution 3D mapping application. Carrying the first civilian Chinese sub-meter resolution stereo satellite sensors, GF-7 satellite was launched on November 7, 2019.
J. Tian +5 more
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