NDLI: Investigation of rigorous sensor models and adjustment parameters for modeling satellite orbits

Content Provider	IEEE Xplore Digital Library
Author	Taejung Kim
Copyright Year	2007
Description	Author affiliation: Inha Univ., Incheon (Taejung Kim)
Abstract	The current practice in photogrammetry adopts scene- based approach for establishing sensor models of satellite images. One prepares ground control points (GCPs) for a scene of interest, applies bundle adjustments and estimates orientation parameters for the scene. In this paper, we investigate rigorous sensor models for modeling satellite orbits, instead of individual scenes, through bundle adjustment process. Using GCPs from one scene we aim to estimate orientation parameters that can be applied to all images acquired from the same orbit. We selected two types of well-known rigorous sensor models: collinearity- based type and orbit-based type. For each type, we defined seven adjustment parameter sets and tested the performance of orbit modeling for each the sensor model type and adjustment parameter set. We used two strips with a length of 420 km (seven SPOT-3 scenes), which constituted a stereo pair. With each strip, we tested the feasibility of estimating orientation parameters for the whole image strip using GCPs from single scene. We also tested the feasibility of absolute orientation from orbit modeling, i.e. the ability of acquiring 3D information from a stereo strip using GCPs from single scene. Results showed that although there was little difference between the two models for individual scene modeling, for orbit modeling the orbit-based model showed better results. The orbit-based model that used attitude biases as adjustment parameters produced promising performances for modeling the orbital segments and for absolute orientation.
Starting Page	1299
Ending Page	1302
File Size	302110
Page Count	4
File Format	PDF
ISBN	9781424412112
DOI	10.1109/IGARSS.2007.4423044
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-07-23
Publisher Place	Spain
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Satellites Orbits Layout Testing Strips Parameter estimation Solid modeling Image sensors Image segmentation Investments SPOT sensor model satellite orbit
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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