NDLI: DEM extraction and accuracy assessment based on ZY-3 stereo images

Content Provider	IEEE Xplore Digital Library
Author	Zhang Yanan Du Fuguang Zhu Changqing
Copyright Year	2012
Description	Author affiliation: Key Lab. of Virtual Geogr. Environ., Nanjing Normal Univ., Nanjing, China (Zhang Yanan; Zhu Changqing) \|\| Dept. of Resource Manage., Tangshan Teachers Coll., Tangshan, China (Du Fuguang)
Abstract	Experiment was carried out using Ziyuan III (ZY-3 for short) stereo images in order to extract DEM and corresponding DEM precision analysis was performed. The DEM was built by using ZY-3 stereo images on ENVI platform, then taking 1:10000 scale DEM as reference data, the extracted DEM and reference DEM were processed in ArcGIS10 platform, such as re-sampling and projection conversion and so on. The extracted DEM elevation accuracy was evaluated effectively by calculating the elevation error and average error indicators. The result shows that the DEM extraction from stereo image of ZY-3 has good feasibility based on ENVI software and the extracted DEM in the hilly and gully region height accuracy can reach 35m with no control points.
Sponsorship	IEEE Harbin. Sect.
Starting Page	1439
Ending Page	1442
File Size	587045
Page Count	4
File Format	PDF
ISBN	9781467329637
e-ISBN	9781467329644
DOI	10.1109/ICCSNT.2012.6526191
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-12-29
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	ARCGIS10 Precision evaluation ZY-3 stereo images DEM
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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