Results 21 to 30 of about 18,442,400 (163)

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

open access: yesEPJ 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   +4 more
doaj   +1 more source

KEY TECHNOLOGIES FOR 1:10,000 RAPID MAPPING BASED ON GF-7 SATELLITE [PDF]

open access: yesThe 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
doaj   +1 more source

Batch extraction method of building height based on GF-7 satellite images

open access: yes, 2023
Abstract Building information extraction is an important work content of digital city construction, and the extraction of building height information is important for applications such as urban and rural construction, geographic information update, urban change monitoring, urban cluster development planning, urban 3D modeling, and smart city ...
YAO Yukai   +5 more
openaire   +2 more sources

On-Orbit Radiometric Performance of GF-7 Satellite Multispectral Imagery

open access: yes, 2022
China’s first civilian, sub-meter, high-resolution stereo mapping satellite, GF-7, launched on 3 November 2019. Radiometric characterization of GF-7 multispectral imagery has been performed in this study.
Qi Li   +4 more
core   +1 more source

Extraction of Pig Farms From GaoFen Satellite Images Based on Deep Learning

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2023
Accurate information on the spatial distribution and area of pig farms is essential for pig breeding monitoring, pork production estimation, and environmental governance of pig breeding. Governmental regulatory departments mostly rely on field surveys to
Jielin Guan   +5 more
doaj   +1 more source

OVERVIEW OF THE TERRESTRIAL ECOSYSTEM CARBON MONITORING SATELLITE LASER ALTIMETER [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2022
The Terrestrial Ecosystem Carbon Monitoring satellite will be the first satellite of China with multi-beams laser altimeter and repetition frequency equal to GLAS on the world first laser altimetry satellite ICESat, but smaller diameter than GLAS.
G. Li   +8 more
doaj   +1 more source

DMU-Net: A Dual-Stream Multi-Scale U-Net Network Using Multi-Dimensional Spatial Information for Urban Building Extraction

open access: yesSensors, 2023
Automatically extracting urban buildings from remote sensing images has essential application value, such as urban planning and management. Gaofen-7 (GF-7) provides multi-perspective and multispectral satellite images, which can obtain three-dimensional ...
Peihang Li   +5 more
doaj   +1 more source

GF-1 satellite PMS data parameters.

open access: yes, 2023
GF-1 satellite PMS data parameters.
Jinliang Wang (476843)   +3 more
core   +1 more source

Fusing MPEG-7 visual descriptors for image classification [PDF]

open access: yes, 2005
This paper proposes three content-based image classification techniques based on fusing various low-level MPEG-7 visual descriptors. Fusion is necessary as descriptors would be otherwise incompatible and inappropriate to directly include e.g.
Eddie Cooke   +18 more
core   +2 more sources

GF-GMD/ccpp-physics: GMD-paper branch

open access: yes, 2021
The GF code for the part 3.1 "The trimodal characteristics revealed by single-column simulations" of "The Grell–Freitas (GF) convection parameterization: recent developments, extensions, and applications" by Saulo R. Freitas, Georg A.
Georg. A. Grell   +2 more
core   +1 more source

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