NDLI: Aerial triangulation over urban areas with control points auto extracted from existing at results

Content Provider	IEEE Xplore Digital Library
Author	Zhang, Yong Ke, Tao Lu, Luping
Copyright Year	2011
Description	Author affiliation: School of Remote Sensing and Information Engineering, Wuhan University, 129 Luoyu Road, 430079, China (Zhang, Yong; Ke, Tao; Lu, Luping)
Abstract	For the purpose of improving the efficiency of GIS data-updating over urban areas, a new approach of aerial triangulation (AT) with control points auto extracted from the existing AT results is introduced in the paper. The existing AT results mean the existing aerial imagery with interior and exterior orientation parameters. Through a multi-views image matching between the new aerial photos and old photos, enormous ground control points could be auto extracted and their ground coordinates could be calculated by the forward-intersecting of old aerial photos. The efficiency and accuracy of the method have been tested and analysed with several actual aerial imagery blocks. The experiment results presented in this paper shows that the method could not only extract enormous GCPs automatically which lead to a greatly improvement of the efficiency of AT over urban areas, but also achieve the same level of accuracy of the old AT results.
Starting Page	1854
Ending Page	1857
File Size	359754
Page Count	4
File Format	PDF
ISBN	9781457710032
ISSN	21537003
e-ISBN	9781457710056
DOI	10.1109/IGARSS.2011.6049484
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-07-24
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Image matching Strips Accuracy Educational institutions Urban areas Remote sensing Data mining Multi-Views Image Matching Information Mapping GIS data-updating Aerial Triangulation
Content Type	Text
Resource Type	Article

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