Results 11 to 20 of about 110,673 (257)

GF-7 IMAGING SIMULATION AND DSM ACCURACY ESTIMATE [PDF]

The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2017
GF-7 satellite is a two-line-array stereo imaging satellite for surveying and mapping which will be launched in 2018. Its resolution is about 0.8 meter at subastral point corresponding to a 20 km width of cloth, and the viewing angle of its ...
Q. Yue, X. Tang, X. Gao
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Overview of the GF‐7 Laser Altimeter System Mission [PDF]

Earth and Space Science, 2020
The Gao Fen 7 (GF‐7) satellite is China's first submeter, high‐resolution Earth observation and remote sensing satellite for natural resource monitoring, land surveying, and other industrial applications in China.
Xinming Tang, Junfeng Xie, Ren Liu, Genghua Huang, Chenguang Zhao, Ying Zhen, Hongzhao Tang, Xianhui Dou   +7 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, Xinli Hu, Qingyan Meng, Linlin Zhang, Chengyi Wang, Xiangchen Liu, Maofan Zhao   +6 more
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DSM Quality Assessment of GF-7 Satellite [PDF]

The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences
The Gaofen-7 (GF-7) satellite was launched on November 3, 2019. It can achieve 1:10000 scale stereo mapping and serve the application needs of basic surveying and mapping, natural resources monitoring and geographic information resource construction ...
P. Tian, P. Tian, P. Tian, P. Tian, X. Tang, X. Zhu, D. Qu, J. Ding, J. Ding, J. Ding, J. Ding, Y. Li   +11 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, Bin Zhang, Xinming Tang, Guoyuan Li, Xiaoqing Zhou, Liuru Hu, Xianhui Dou   +6 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, J. J. Liu, B. L. Zhao, X. He, S. Q. Zhao, C. C. Wu   +5 more
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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, Xinming Tang, Guo Zhang, Bin Liu, Wenmin Hu   +4 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, G. Li, G. Li, J. Guo, J. Guo, X. Tang, X. Tang, F. Ye, Z. Zuo, Z. Zuo, Z. Liu, J. Chen, Y. Xue   +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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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 Sciences
GF-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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