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Sensors 2017, 17(1), 83; doi:10.3390/s17010083

Satellite Jitter Estimation and Validation Using Parallax Images

1,2
,
1
,
1
and
1,2,*
1
The State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing, Wuhan University, 129 Luoyu Road, Wuhan 430079, China
2
Collaborative Innovation Center for Geospatial Technology, 129 Luoyu Road, Wuhan 430079, China
*
Author to whom correspondence should be addressed.
Received: 7 October 2016 / Accepted: 30 December 2016 / Published: 2 January 2017
(This article belongs to the Section Remote Sensors)
View Full-Text   |   Download PDF [2822 KB, uploaded 6 January 2017]   |  

Abstract

Satellite jitter (SJ) is an important error source that affects the geometric accuracy of high resolution satellite imagery. In this paper, the quantitative relationship between the jitter displacement (image displacement caused by SJ) and relative registration error obtained from parallax images is deduced to be theoretical in detail, and the jitter displacement estimation model is built to estimate the jitter displacement. Then, a simulation experiment is carried out to validate the feasibility of using the built jitter displacement estimation model to estimate the jitter displacement. Finally, experiments with real images in DengFeng (China) including multispectral images of Ziyuan-3 (ZY-3) satellite and high resolution (HR) images of Ziyuan1-02C (ZY1-02C) satellite are used to validate the effectiveness of utilizing the built jitter displacement estimation model to do the jitter estimation. High accuracy ground reference data are further used to evaluate the accuracy of the estimation. Experimental results show that the average estimated error for jitter displacement of ZY-3 is 2.96% and 0.11% in amplitude and frequency respectively, and the estimated error for jitter displacement of ZY1-02C is 8.46% and 0.35% in amplitude and frequency, respectively. View Full-Text
Keywords: satellite jitter; parallax images; jitter displacement; jitter estimation; jitter validation satellite jitter; parallax images; jitter displacement; jitter estimation; jitter validation
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Pan, J.; Che, C.; Zhu, Y.; Wang, M. Satellite Jitter Estimation and Validation Using Parallax Images. Sensors 2017, 17, 83.

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