NDLI: Eigen-Decomposition-Based Four-Component Decomposition for PolSAR Data

Content Provider	IEEE Xplore Digital Library
Author	Zou, B. Lu, D. Zhang, L. Moon, W.M.
Copyright Year	2008
Abstract	This paper presents an alternative way of the decomposition scheme for polarimetric synthetic aperture radar (PolSAR) images. The proposed method intends to solve overestimation of volume scattering power for oriented urban areas with large orientation angle. In this paper, the difference of primary and secondary dominant target scattering orientation angle is proposed to show the possible cause of the volume scattering overestimation problem. The results of the eigen-decomposition method are introduced into the model-based decomposition. This paper applies a lookup table (LUT) to link eigen-decomposition method and model-based decomposition method together to solve the overestimation of volume scattering power problem. Based on the LUT, a new four-component decomposition method is proposed. L-band fully polarimetric ESAR and EMISAR data are used to validate the proposed method. The results of the experiments show that the proposed method has better performance than four-component decomposition method in oriented urban areas with large orientation angle. Besides, the volume model can also be directly determined from image. In this case, it is potential to solve the alternate volume scattering model problem in model-based decomposition.
Starting Page	1286
Ending Page	1296
Page Count	11
File Size	1532700
File Format	PDF
ISSN	19391404
Volume Number	9
Issue Number	3
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2016-01-01
Publisher Place	U.S.A.
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Scattering Covariance matrices Solid modeling Urban areas Rough surfaces Surface roughness Earth polarimetric synthetic aperture radar (PolSAR) Eigen-decomposition model-based decomposition
Content Type	Text
Resource Type	Article
Subject	Atmospheric Science Computers in Earth Sciences

Sl.	Authority	Responsibilities	Communication Details
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
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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