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Reseach Article

A Proposed Method to Measure Sub Pixel Shift in Egyptsat-1 Aliased Images

by S. A. Mohamed, A. K. Helmy, M. A. Fkirin, S. M. Badway
International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Volume 95 - Number 10
Year of Publication: 2014
Authors: S. A. Mohamed, A. K. Helmy, M. A. Fkirin, S. M. Badway
10.5120/16628-6488

S. A. Mohamed, A. K. Helmy, M. A. Fkirin, S. M. Badway . A Proposed Method to Measure Sub Pixel Shift in Egyptsat-1 Aliased Images. International Journal of Computer Applications. 95, 10 ( June 2014), 4-10. DOI=10.5120/16628-6488

@article{ 10.5120/16628-6488,
author = { S. A. Mohamed, A. K. Helmy, M. A. Fkirin, S. M. Badway },
title = { A Proposed Method to Measure Sub Pixel Shift in Egyptsat-1 Aliased Images },
journal = { International Journal of Computer Applications },
issue_date = { June 2014 },
volume = { 95 },
number = { 10 },
month = { June },
year = { 2014 },
issn = { 0975-8887 },
pages = { 4-10 },
numpages = {9},
url = { https://ijcaonline.org/archives/volume95/number10/16628-6488/ },
doi = { 10.5120/16628-6488 },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Journal Article
%1 2024-02-06T22:19:04.238004+05:30
%A S. A. Mohamed
%A A. K. Helmy
%A M. A. Fkirin
%A S. M. Badway
%T A Proposed Method to Measure Sub Pixel Shift in Egyptsat-1 Aliased Images
%J International Journal of Computer Applications
%@ 0975-8887
%V 95
%N 10
%P 4-10
%D 2014
%I Foundation of Computer Science (FCS), NY, USA
Abstract

This paper presents a method for image-based shift measurement and investigates solution for the mismatched bands of egyptsat-1 satellite. A tiny error in measuring sub pixel shift leads to an incorrect image focusing. Different methods, using frequency approach are conducted with different Tukey window sizes for measuring the sub pixel shift. The present method use an aim to select most important frequency for three parameter; horizontal, vertical and rotation with different window size. To test the present method; we used the SPOT-5 satellite data with known displacement. The obtained results are acceptable, and might solve Egyptsat-1 problem of mismatches between its bands. Bands 1, 2 could also be used in super resolution reconstruction methods

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Index Terms

Computer Science
Information Sciences

Keywords

Spot-5 sub-pixel shift Tukey windows window size super-resolution