NDLI: Estimating geometrical transform parameters for affine-transform-base geometrical corrections

Content Provider	IEEE Xplore Digital Library
Author	Saito, H.
Copyright Year	2011
Description	Author affiliation: Graduate School of Science and Technology, Hirosaki University, Japan (Saito, H.)
Abstract	The geometrical transform parameters included in the ancillary file of the system-corrected Landsat TM image, such as a translation, a rotation angle and a scaling, may contain errors. Therefore, it sometimes occurs that the orthoimage obtained by the affine tranform is not desirable. In order to overcome this ploblem, Iikura proposed the method that orthorectifies the satellite image with digital elevation model (DEM) and optimizes the translation with the DEM shaded relief image. His method had practical appeal, but the correction of the rotation angle and scaling were not considered. In this paper, we describe the method to optimize not only the translation but also the rotation angle and scaling using the Fourier-Mellin transform and the Fourier phase-only-correlation (POC) technique. When applied to system-corrected Landsat TM images, the result shows that the parameters obtained by the new method were more accurate than either the original or the revised parameters contributed by JAXA.
Starting Page	582
Ending Page	585
File Size	839748
Page Count	4
File Format	PDF
ISBN	9781457710032
ISSN	21537003
e-ISBN	9781457710056
DOI	10.1109/IGARSS.2011.6049195
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-07-24
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Satellites Earth Remote sensing Transforms Spatial resolution Estimation Accuracy Landsat TM image Geometrical correction Digital elevation model (DEM) Fourier phase-only-correlation (POC) Fourier-Mellin transform
Content Type	Text
Resource Type	Article

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