Accuracy assessment of DSM in mountainous forest areas generated from GF-7 stereo images assisted by ATLAS/ICESat-2 [PDF]
ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information SciencesThe successful launch of the GaoFen-7 (GF-7) satellite has made it possible to achieve sub-meter-level three-dimensional mapping. However, most current studies focus on accuracy evaluating of GF-7 stereo mapping in bare land, and less on its performance ...
J. Xie +4 more
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Geometric Accuracy Analysis of Regional Block Adjustment Using GF-7 Stereo Images without GCPs [PDF]
Remote Sensing, 2023 As an important means of improving positioning accuracy, block adjustment has been used in the improvement and assessment of accuracy for the Chinese Gaofen-7 (GF-7) satellite. However, there is little research on what factors affect accuracy without ground control points (GCPs).
Xinming Tang +3 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
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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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GF(3) VE GF(7) ÜZERİNDEKİ YARI-DEVİRLİ KODLAR
, 2016 p, m pozitif tamsayılar ve p ? 1 olmak üzere n = pm uzunluğundaki devirli kodlar yarıdevirli formuna dönüştürülebilir. Bu makalede iyi bilinen devirli kodlar kullanılarak GF(3) ve GF(7) üzerinde yarı-devirli kodların bazı parametreleri elde edildi.
Yasemin Çengellenmiş +2 more
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Crop recognition by multiangle features of GF-7 satellite [PDF]
National Remote Sensing Bulletin, 2023 Z. Sun +4 more
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Cloud Detection and Centroid Extraction of Laser Footprint Image of GF-7 Satellite Laser Altimetry
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. The footprint camera equipped on the GF-7 laser altimetry system can capture the energy distribution at the time of laser emission and the image of the ...
Guoyuan LI Jiaqi YAO
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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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Journal of Remote SensingWith the advent of very high-resolution (VHR) imaging satellites, it is possible to measure the heights of forest stands or even individual trees more accurately.
Wenjian Ni +8 more
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A note on new self-dual [28,14,10] codes over GF(7)
Applied Mathematical Sciences, 2014 Djoko Suprijanto, Pratikto
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