NDLI: Operational DEM generation by means of SAR interferometry

Content Provider	IEEE Xplore Digital Library
Author	Herland, E.-A. Vuorela, A.
Copyright Year	1997
Description	Author affiliation: Remote Sensing Group, VTT Autom., Otakaari, Finland (Herland, E.-A.)
Abstract	SAR images from the ERS Tandem Phase have been shown to be suitable for generation of digital elevation models by means of SAR interferometry. Based on previous work on SAR interferometry at VTT, a project has been started in Finland on the use of repeat-pass SAR interferometry for operational generation of digital elevation models. The project uses Northern Finland as a test area. This is an area covering approximately 100000 square kilometers between 66 and 70 degrees north. The dataset used is approx. 35 image pairs from the ERS Tandem mission, containing both ascending and descending passes. The area is moderately hilly, with relatively small amounts of areas causing radar overlay or shadowing. Most of the area is covered by boreal forests. An elevation model already exists for the area, as well as forest and land use maps. This makes the area very suitable as a test bed for operational DEM generation. Results indicate an elevation accuracy of 10 meters and a throughput of one image pair of 100 km by 100 km per day per operator.
Starting Page	1344
Ending Page	1346
File Size	850523
Page Count	3
File Format	PDF
ISBN	0780338367
DOI	10.1109/IGARSS.1997.606443
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1997-08-03
Publisher Place	Singapore
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Satellites Digital elevation models Optical interferometry Automation Testing Humans Orbital calculations Remote sensing Radar imaging Spaceborne radar
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
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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