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Fully automatic generation of geoinformation products with chinese zy‐3 satellite imagery
Author(s) -
Zhang Yongjun,
Wang Bo,
Zhang Zuxun,
Duan Yansong,
Zhang Yong,
Sun Mingwei,
Ji Shunping
Publication year - 2014
Publication title -
the photogrammetric record
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.638
H-Index - 51
eISSN - 1477-9730
pISSN - 0031-868X
DOI - 10.1111/phor.12078
Subject(s) - geographic information system , remote sensing , digital elevation model , georeference , satellite imagery , computer science , satellite , digital mapping , geography , engineering , physical geography , aerospace engineering
The advantages of continuously and soundly obtaining large multidimensional, multiscale and multitemporal observation datasets from satellite remote sensing make it indispensable in building a national spatial data infrastructure. This paper introduces the ZY ‐3 satellite developed in China and discusses a fully automatic data‐processing system to generate geoinformation products, such as digital elevation models ( DEM s) and digital orthophotomaps ( DOM s), based on ZY ‐3 imagery. The key technologies of automatic geoinformation product generation, including strip image‐based bundle adjustment together with creating DEM s and DOM s, are illustrated. The accuracies of the georeferencing and automatically generated geoinformation products are also discussed. This automatic data‐processing system is shown to provide a good foundation for near real‐time derivation of such geoinformation products and for the promotion and application of Chinese domestic satellites.

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