NDLI: Feature-enhanced recovery of low resolution radar imagery based on metrics structured experiment design regularization

Content Provider	IEEE Xplore Digital Library
Author	Shkvarko, Y.V. del Campo, G.D.M. Yanez, J.I.
Copyright Year	2013
Description	Author affiliation: Center for Adv. Res. & Educ., Nat. Polytech. Inst., Guadalajara, Mexico (Shkvarko, Y.V.; del Campo, G.D.M.; Yanez, J.I.)
Abstract	We address a new structured descriptive experiment design regularization (DEDR) based approach for feature-enhanced recovery of scene power reflectivity maps from the low resolution imagery acquired with conventional low cost side looking radar systems operating in harsh sensing environments. The feature-enhanced RS scene recovery from the low resolution radar imagery is treated as a nonlinear inverse problem with model uncertainties. To alleviate the problem ill-posedness, we propose to aggregate the error $ℓ_{2}$ squared norm minimization based DEDR estimation framework with the variational analysis (VA) inspired - $ℓ_{2}$ $-ℓ_{1}$ metrics structured (MS) regularization. The MS regularization level is aimed at exploiting the prior model information about the piecewise sparseness of the scene reflectivity gradient maps via aggregating the corresponding metrics structures in the image/solution space. The resulting fused DEDR-MS feature-enhanced sensing method is implemented in the implicit contractive mapping iterative mode. Our DEDR-MS method outperforms the most prominent competing radar image enhancement techniques that do not aggregate the DEDR with the VA inspired MS regularization both in the resolution-enhancement-over-noise-suppression and the convergence rates as verified in the reported computer simulations.
Sponsorship	IEEE Aerosp. Electron. Syst. Soc.
Starting Page	437
Ending Page	442
File Size	1575409
Page Count	6
File Format	PDF
ISBN	9781467348218
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-06-19
Publisher Place	Germany
Access Restriction	Subscribed
Rights Holder	German Inst of Navigation
Subject Keyword	Reflectivity Measurement TV Image resolution Radar imaging Synthetic aperture radar
Content Type	Text
Resource Type	Article

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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