NDLI: A research on geometric precision correction with high accuracy and high performance

Content Provider	IEEE Xplore Digital Library
Author	Lingjun Zhao Yan Ma Dingsheng Liu Wanfeng Zhang Jiang Wang
Copyright Year	2011
Description	Author affiliation: Center for Earth Observation and Digital Earth, Chinese Academy of Sciences, Beijing, China (Lingjun Zhao; Yan Ma; Dingsheng Liu; Wanfeng Zhang; Jiang Wang)
Abstract	As an important step in the process of remote sensing, geometric precision correction, also known as the most complicated and intensive part in calculation, rectifies the geometric distortion of original remote sensing images caused by various factors by using ground control points. Therefore, the accuracy and processing speed of geometric precision correction have direct effect on the subsequent flows in most remote sensing applications. As for accuracy, the polynomial model and the multi-quadric function model are respectively introduced and then Gopfert model which is the smart combination of these two models is put forward. Speaking of capability, after analyzing various links of geometric precision correction and conventional parallel mode, the asynchronous parallel mode based on parallel I/O and I/O hidden strategy is given to optimize the parallel of Gopfert calculation on the cluster environment. All tests that were done indicate that the method mentioned above greatly improves both the accuracy and the function of geometric precision correction, which can be extensively used in project processing.
Starting Page	3370
Ending Page	3373
File Size	275245
Page Count	4
File Format	PDF
ISBN	9781612847719
e-ISBN	9781612847740
DOI	10.1109/ICMT.2011.6002693
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-07-26
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Interpolation Accuracy Satellites Parallel computing Geometric Precision Correction Computational modeling Gopfert I/O hidden strategy Parallel I/O Mathematical model Remote sensing Load modeling
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
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
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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