NDLI: A new method for consistent intensity adjustment on azimuth in SAR images of low altitude platforms

Content Provider	IEEE Xplore Digital Library
Author	Liu Xiuqing Wang Yanfei Gao Xin Pan Zhuo Zhan Xueli Pan Zhigang
Copyright Year	2013
Description	Author affiliation: Inst. of Electron., Beijing, China (Liu Xiuqing; Wang Yanfei; Gao Xin; Pan Zhuo; Zhan Xueli; Pan Zhigang)
Abstract	The unsteadiness of the low altitude platforms leads to uneven light and shade in the azimuth of synthetic aperture radar (SAR) images. The traditional method for the azimuth intensity adjusting of SAR images has two important disadvantages. The first is its discontinuity of the normalization factor, and the second is its inapplicability on regions with broken terra of very weak or very strong back scatterer. This paper is focused on cutting down the discontinuity of the normalization factor and reducing the affection of the broken terra on the normalization factor. A new method is proposed in the adjustment of the intensity variance in the azimuth of SAR images by the image data in combination with the cross roll angle of platforms. The experiments and results show its good availability and robustness of the new method.
Sponsorship	IEEE Geosci. Remote Sens. Soc.
Starting Page	3546
Ending Page	3549
File Size	532639
Page Count	4
File Format	PDF
ISBN	9781479911141
ISSN	21536996
DOI	10.1109/IGARSS.2013.6723595
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-07-21
Publisher Place	Australia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Synthetic aperture radar Azimuth Robustness Apertures Radar imaging azimuth intensity adjustment of SAR images synthetic aperture radar (SAR) SAR systems of low altitude platforms
Content Type	Text
Resource Type	Article

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