NDLI: Image fusion using spatial unmixing

Content Provider	IEEE Xplore Digital Library
Author	Arivazhagan, S. Anisha, J.P.
Copyright Year	2013
Description	Author affiliation: Mepco Schlenk Eng. Coll., Sivakasi, India (Arivazhagan, S.; Anisha, J.P.)
Abstract	In remote sensing applications, image acquired from space borne satellites are of diverse spatial, spectral and temporal resolutions. Several situations in image interpretation require high spatial information and high spectral information in a single image. But the existing sensors do not have the ability to provide such information either by design or because of observational constraints. Thus the complementary information from different sensors are integrated using the technique called image fusion to get a resultant fused image which is more informative than any of the given input images. The objective of this work is to perform image fusion on a high spatial resolution LISS IV image (with low spectral resolution) and a high spectral resolution LISS III image (with low spatial resolution) to obtain a fused image with high spatial resolution and high spectral resolution. To find the endmember proportions of the mixed pixels, the land cover map is obtained by performing unsupervised soft classification on the high spatial resolution LISS IV image. The land cover class proportions thus obtained is downscaled to get the land cover class proportions at LISS III scale. The unmixing algorithm used here is spatial unmixing wherein the high spectral resolution LISS III image is processed using a sliding window approach to obtain the endmember spectra. Thus the pixels of the fused image are obtained as the linear combination of endmembers derived from the LISS III weighted by the land cover class proportions of LISS IV.
Sponsorship	IEEE India Council ED Chapter
Starting Page	238
Ending Page	242
File Size	826789
Page Count	5
File Format	PDF
ISBN	9781467348614
e-ISBN	9781467348621
DOI	10.1109/ICSIPR.2013.6497930
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-02-07
Publisher Place	India
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Earth Endmember LISS III (Linear Imaging and Self Scanning Sensor) Satellites LISS IV Image Fusion Cameras Spatial resolution Spatial unmixing Remote sensing
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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